diff options
61 files changed, 17207 insertions, 5 deletions
diff --git a/Android.mk b/Android.mk new file mode 100644 index 0000000..7cd200e --- /dev/null +++ b/Android.mk @@ -0,0 +1,45 @@ +LOCAL_PATH:= $(call my-dir) + +# ======================================================== +# bash +# ======================================================== +include $(CLEAR_VARS) + +LOCAL_SRC_FILES:= \ + shell.c eval.c y.tab.c general.c make_cmd.c print_cmd.c \ + dispose_cmd.c execute_cmd.c variables.c copy_cmd.c error.c \ + expr.c flags.c jobs.c subst.c hashcmd.c hashlib.c mailcheck.c \ + trap.c input.c unwind_prot.c pathexp.c sig.c test.c version.c \ + alias.c array.c arrayfunc.c assoc.c braces.c bracecomp.c \ + bashhist.c bashline.c list.c stringlib.c locale.c findcmd.c \ + redir.c pcomplete.c pcomplib.c syntax.c xmalloc.c +LOCAL_C_INCLUDES += \ + $(LOCAL_PATH) \ + $(LOCAL_PATH)/include \ + $(LOCAL_PATH)/lib +LOCAL_CFLAGS += \ + -DHAVE_CONFIG_H \ + -DPROGRAM=\"bash\" \ + -DPACKAGE=\"bash\" \ + -DCONF_HOSTTYPE=\"arm\" \ + -DCONF_OSTYPE=\"android-eabi\" \ + -DCONF_MACHTYPE=\"arm-android-eabi\" \ + -DCONF_VENDOR=\"unknown\" \ + -DLOCALEDIR=\"/data/locale\" \ + -DSHELL +LOCAL_SHARED_LIBRARIES += \ + libncurses +LOCAL_STATIC_LIBRARIES += \ + libbuiltins \ + libglob \ + libsh \ + libtilde \ + libhistory \ + libreadline \ + libclearsilverregex +LOCAL_MODULE := bash +LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES) +include $(BUILD_EXECUTABLE) + +# ======================================================== +include $(call all-makefiles-under,$(LOCAL_PATH)) @@ -2102,9 +2102,9 @@ bash_groupname_completion_function (text, state) const char *text; int state; { -#if defined (__WIN32__) || defined (__OPENNT) || !defined (HAVE_GRP_H) +//#if defined (__WIN32__) || defined (__OPENNT) || !defined (HAVE_GRP_H) return ((char *)NULL); -#else +/*#else static char *gname = (char *)NULL; static struct group *grent; static int gnamelen; @@ -2133,7 +2133,7 @@ bash_groupname_completion_function (text, state) value = savestring (grent->gr_name); return (value); -#endif +#endif*/ } /* Functions to perform history and alias expansions on the current line. */ @@ -3421,7 +3421,7 @@ static int putx(c) int c; { - putc (c, rl_outstream); + return putc (c, rl_outstream); } static int diff --git a/builtins/Android.mk b/builtins/Android.mk new file mode 100644 index 0000000..ad04399 --- /dev/null +++ b/builtins/Android.mk @@ -0,0 +1,72 @@ +LOCAL_PATH:= $(call my-dir) + +# ======================================================== +# libbuiltins.a +# ======================================================== +include $(CLEAR_VARS) + +LOCAL_SRC_FILES:= \ + alias.c \ + bashgetopt.c \ + bind.c \ + break.c \ + builtin.c \ + builtins.c \ + caller.c \ + cd.c \ + colon.c \ + command.c \ + common.c \ + complete.c \ + declare.c \ + echo.c \ + enable.c \ + eval.c \ + evalfile.c \ + evalstring.c \ + exec.c \ + exit.c \ + fc.c \ + fg_bg.c \ + getopt.c \ + getopts.c \ + hash.c \ + help.c \ + history.c \ + jobs.c \ + kill.c \ + let.c \ + mapfile.c \ + printf.c \ + pushd.c \ + read.c \ + return.c \ + setattr.c \ + set.c \ + shift.c \ + shopt.c \ + source.c \ + suspend.c \ + test.c \ + times.c \ + trap.c \ + type.c \ + ulimit.c \ + umask.c \ + wait.c +LOCAL_C_INCLUDES += \ + $(LOCAL_PATH)/../ \ + $(LOCAL_PATH)/../include \ + $(LOCAL_PATH)/../lib +LOCAL_CFLAGS += \ + -DHAVE_CONFIG_H \ + -DPROGRAM=\"bash\" \ + -DCONF_HOSTTYPE=\"arm\" \ + -DCONF_OSTYPE=\"android-eabi\" \ + -DCONF_MACHTYPE=\"arm-android-eabi\" \ + -DCONF_VENDOR=\"unknown\" +LOCAL_MODULE := libbuiltins +include $(BUILD_STATIC_LIBRARY) + +# ======================================================== +include $(call all-makefiles-under,$(LOCAL_PATH)) diff --git a/builtins/alias.c b/builtins/alias.c new file mode 100644 index 0000000..7e56405 --- /dev/null +++ b/builtins/alias.c @@ -0,0 +1,192 @@ +/* alias.c, created from alias.def. */ +#line 42 "./alias.def" + +#include <config.h> + +#if defined (ALIAS) + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +# include "../bashansi.h" +# include "../bashintl.h" + +# include <stdio.h> +# include "../shell.h" +# include "../alias.h" +# include "common.h" +# include "bashgetopt.h" + +/* Flags for print_alias */ +#define AL_REUSABLE 0x01 + +static void print_alias __P((alias_t *, int)); + +extern int posixly_correct; + +/* Hack the alias command in a Korn shell way. */ +int +alias_builtin (list) + WORD_LIST *list; +{ + int any_failed, offset, pflag, dflags; + alias_t **alias_list, *t; + char *name, *value; + + dflags = posixly_correct ? 0 : AL_REUSABLE; + pflag = 0; + reset_internal_getopt (); + while ((offset = internal_getopt (list, "p")) != -1) + { + switch (offset) + { + case 'p': + pflag = 1; + dflags |= AL_REUSABLE; + break; + default: + builtin_usage (); + return (EX_USAGE); + } + } + + list = loptend; + + if (list == 0 || pflag) + { + if (aliases == 0) + return (EXECUTION_SUCCESS); + + alias_list = all_aliases (); + + if (alias_list == 0) + return (EXECUTION_SUCCESS); + + for (offset = 0; alias_list[offset]; offset++) + print_alias (alias_list[offset], dflags); + + free (alias_list); /* XXX - Do not free the strings. */ + + if (list == 0) + return (sh_chkwrite (EXECUTION_SUCCESS)); + } + + any_failed = 0; + while (list) + { + name = list->word->word; + + for (offset = 0; name[offset] && name[offset] != '='; offset++) + ; + + if (offset && name[offset] == '=') + { + name[offset] = '\0'; + value = name + offset + 1; + + if (legal_alias_name (name, 0) == 0) + { + builtin_error (_("`%s': invalid alias name"), name); + any_failed++; + } + else + add_alias (name, value); + } + else + { + t = find_alias (name); + if (t) + print_alias (t, dflags); + else + { + sh_notfound (name); + any_failed++; + } + } + list = list->next; + } + + return (any_failed ? EXECUTION_FAILURE : EXECUTION_SUCCESS); +} +#endif /* ALIAS */ + +#line 167 "./alias.def" + +#if defined (ALIAS) +/* Remove aliases named in LIST from the aliases database. */ +int +unalias_builtin (list) + register WORD_LIST *list; +{ + register alias_t *alias; + int opt, aflag; + + aflag = 0; + reset_internal_getopt (); + while ((opt = internal_getopt (list, "a")) != -1) + { + switch (opt) + { + case 'a': + aflag = 1; + break; + default: + builtin_usage (); + return (EX_USAGE); + } + } + + list = loptend; + + if (aflag) + { + delete_all_aliases (); + return (EXECUTION_SUCCESS); + } + + if (list == 0) + { + builtin_usage (); + return (EX_USAGE); + } + + aflag = 0; + while (list) + { + alias = find_alias (list->word->word); + + if (alias) + remove_alias (alias->name); + else + { + sh_notfound (list->word->word); + aflag++; + } + + list = list->next; + } + + return (aflag ? EXECUTION_FAILURE : EXECUTION_SUCCESS); +} + +/* Output ALIAS in such a way as to allow it to be read back in. */ +static void +print_alias (alias, flags) + alias_t *alias; + int flags; +{ + char *value; + + value = sh_single_quote (alias->value); + if (flags & AL_REUSABLE) + printf ("alias "); + printf ("%s=%s\n", alias->name, value); + free (value); + + fflush (stdout); +} +#endif /* ALIAS */ diff --git a/builtins/bind.c b/builtins/bind.c new file mode 100644 index 0000000..60a3a0b --- /dev/null +++ b/builtins/bind.c @@ -0,0 +1,278 @@ +/* bind.c, created from bind.def. */ +#line 22 "./bind.def" + +#include <config.h> + +#line 61 "./bind.def" + +#if defined (READLINE) + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include <stdio.h> +#include <errno.h> +#if !defined (errno) +extern int errno; +#endif /* !errno */ + +#include <readline/readline.h> +#include <readline/history.h> + +#include "../bashintl.h" + +#include "../shell.h" +#include "../bashline.h" +#include "bashgetopt.h" +#include "common.h" + +static int query_bindings __P((char *)); +static int unbind_command __P((char *)); + +extern int no_line_editing; + +#define BIND_RETURN(x) do { return_code = x; goto bind_exit; } while (0) + +#define LFLAG 0x0001 +#define PFLAG 0x0002 +#define FFLAG 0x0004 +#define VFLAG 0x0008 +#define QFLAG 0x0010 +#define MFLAG 0x0020 +#define RFLAG 0x0040 +#define PPFLAG 0x0080 +#define VVFLAG 0x0100 +#define SFLAG 0x0200 +#define SSFLAG 0x0400 +#define UFLAG 0x0800 +#define XFLAG 0x1000 + +int +bind_builtin (list) + WORD_LIST *list; +{ + int return_code; + Keymap kmap, saved_keymap; + int flags, opt; + char *initfile, *map_name, *fun_name, *unbind_name, *remove_seq, *cmd_seq; + + if (no_line_editing) + { +#if 0 + builtin_error (_("line editing not enabled")); + return (EXECUTION_FAILURE); +#else + builtin_warning (_("line editing not enabled")); +#endif + } + + kmap = saved_keymap = (Keymap) NULL; + flags = 0; + initfile = map_name = fun_name = unbind_name = remove_seq = (char *)NULL; + return_code = EXECUTION_SUCCESS; + + if (bash_readline_initialized == 0) + initialize_readline (); + + begin_unwind_frame ("bind_builtin"); + unwind_protect_var (rl_outstream); + + rl_outstream = stdout; + + reset_internal_getopt (); + while ((opt = internal_getopt (list, "lvpVPsSf:q:u:m:r:x:")) != EOF) + { + switch (opt) + { + case 'l': + flags |= LFLAG; + break; + case 'v': + flags |= VFLAG; + break; + case 'p': + flags |= PFLAG; + break; + case 'f': + flags |= FFLAG; + initfile = list_optarg; + break; + case 'm': + flags |= MFLAG; + map_name = list_optarg; + break; + case 'q': + flags |= QFLAG; + fun_name = list_optarg; + break; + case 'u': + flags |= UFLAG; + unbind_name = list_optarg; + break; + case 'r': + flags |= RFLAG; + remove_seq = list_optarg; + break; + case 'V': + flags |= VVFLAG; + break; + case 'P': + flags |= PPFLAG; + break; + case 's': + flags |= SFLAG; + break; + case 'S': + flags |= SSFLAG; + break; + case 'x': + flags |= XFLAG; + cmd_seq = list_optarg; + break; + default: + builtin_usage (); + BIND_RETURN (EX_USAGE); + } + } + + list = loptend; + + /* First, see if we need to install a special keymap for this + command. Then start on the arguments. */ + + if ((flags & MFLAG) && map_name) + { + kmap = rl_get_keymap_by_name (map_name); + if (!kmap) + { + builtin_error (_("`%s': invalid keymap name"), map_name); + BIND_RETURN (EXECUTION_FAILURE); + } + } + + if (kmap) + { + saved_keymap = rl_get_keymap (); + rl_set_keymap (kmap); + } + + /* XXX - we need to add exclusive use tests here. It doesn't make sense + to use some of these options together. */ + /* Now hack the option arguments */ + if (flags & LFLAG) + rl_list_funmap_names (); + + if (flags & PFLAG) + rl_function_dumper (1); + + if (flags & PPFLAG) + rl_function_dumper (0); + + if (flags & SFLAG) + rl_macro_dumper (1); + + if (flags & SSFLAG) + rl_macro_dumper (0); + + if (flags & VFLAG) + rl_variable_dumper (1); + + if (flags & VVFLAG) + rl_variable_dumper (0); + + if ((flags & FFLAG) && initfile) + { + if (rl_read_init_file (initfile) != 0) + { + builtin_error (_("%s: cannot read: %s"), initfile, strerror (errno)); + BIND_RETURN (EXECUTION_FAILURE); + } + } + + if ((flags & QFLAG) && fun_name) + return_code = query_bindings (fun_name); + + if ((flags & UFLAG) && unbind_name) + return_code = unbind_command (unbind_name); + + if ((flags & RFLAG) && remove_seq) + { + if (rl_bind_keyseq (remove_seq, (rl_command_func_t *)NULL) != 0) + { + builtin_error (_("`%s': cannot unbind"), remove_seq); + BIND_RETURN (EXECUTION_FAILURE); + } + } + + if (flags & XFLAG) + return_code = bind_keyseq_to_unix_command (cmd_seq); + + /* Process the rest of the arguments as binding specifications. */ + while (list) + { + rl_parse_and_bind (list->word->word); + list = list->next; + } + + bind_exit: + if (saved_keymap) + rl_set_keymap (saved_keymap); + + run_unwind_frame ("bind_builtin"); + + return (sh_chkwrite (return_code)); +} + +static int +query_bindings (name) + char *name; +{ + rl_command_func_t *function; + char **keyseqs; + int j; + + function = rl_named_function (name); + if (function == 0) + { + builtin_error (_("`%s': unknown function name"), name); + return EXECUTION_FAILURE; + } + + keyseqs = rl_invoking_keyseqs (function); + + if (!keyseqs) + { + printf (_("%s is not bound to any keys.\n"), name); + return EXECUTION_FAILURE; + } + + printf (_("%s can be invoked via "), name); + for (j = 0; j < 5 && keyseqs[j]; j++) + printf ("\"%s\"%s", keyseqs[j], keyseqs[j + 1] ? ", " : ".\n"); + if (keyseqs[j]) + printf ("...\n"); + strvec_dispose (keyseqs); + return EXECUTION_SUCCESS; +} + +static int +unbind_command (name) + char *name; +{ + rl_command_func_t *function; + + function = rl_named_function (name); + if (function == 0) + { + builtin_error (_("`%s': unknown function name"), name); + return EXECUTION_FAILURE; + } + + rl_unbind_function_in_map (function, rl_get_keymap ()); + return EXECUTION_SUCCESS; +} +#endif /* READLINE */ diff --git a/builtins/break.c b/builtins/break.c new file mode 100644 index 0000000..b4b0569 --- /dev/null +++ b/builtins/break.c @@ -0,0 +1,102 @@ +/* break.c, created from break.def. */ +#line 22 "./break.def" + +#line 34 "./break.def" +#include <config.h> + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include "../bashintl.h" + +#include "../shell.h" +#include "common.h" + +extern char *this_command_name; +extern int posixly_correct; + +static int check_loop_level __P((void)); + +/* The depth of while's and until's. */ +int loop_level = 0; + +/* Non-zero when a "break" instruction is encountered. */ +int breaking = 0; + +/* Non-zero when we have encountered a continue instruction. */ +int continuing = 0; + +/* Set up to break x levels, where x defaults to 1, but can be specified + as the first argument. */ +int +break_builtin (list) + WORD_LIST *list; +{ + intmax_t newbreak; + + if (check_loop_level () == 0) + return (EXECUTION_SUCCESS); + + (void)get_numeric_arg (list, 1, &newbreak); + + if (newbreak <= 0) + { + sh_erange (list->word->word, _("loop count")); + breaking = loop_level; + return (EXECUTION_FAILURE); + } + + if (newbreak > loop_level) + newbreak = loop_level; + + breaking = newbreak; + + return (EXECUTION_SUCCESS); +} + +#line 101 "./break.def" + +/* Set up to continue x levels, where x defaults to 1, but can be specified + as the first argument. */ +int +continue_builtin (list) + WORD_LIST *list; +{ + intmax_t newcont; + + if (check_loop_level () == 0) + return (EXECUTION_SUCCESS); + + (void)get_numeric_arg (list, 1, &newcont); + + if (newcont <= 0) + { + sh_erange (list->word->word, _("loop count")); + breaking = loop_level; + return (EXECUTION_FAILURE); + } + + if (newcont > loop_level) + newcont = loop_level; + + continuing = newcont; + + return (EXECUTION_SUCCESS); +} + +/* Return non-zero if a break or continue command would be okay. + Print an error message if break or continue is meaningless here. */ +static int +check_loop_level () +{ +#if defined (BREAK_COMPLAINS) + if (loop_level == 0 && posixly_correct == 0) + builtin_error (_("only meaningful in a `for', `while', or `until' loop")); +#endif /* BREAK_COMPLAINS */ + + return (loop_level); +} diff --git a/builtins/builtext.h b/builtins/builtext.h new file mode 100644 index 0000000..08f81f7 --- /dev/null +++ b/builtins/builtext.h @@ -0,0 +1,192 @@ +/* builtext.h - The list of builtins found in libbuiltins.a. */ +#if defined (ALIAS) +extern int alias_builtin __P((WORD_LIST *)); +extern char * const alias_doc[]; +#endif /* ALIAS */ +#if defined (ALIAS) +extern int unalias_builtin __P((WORD_LIST *)); +extern char * const unalias_doc[]; +#endif /* ALIAS */ +#if defined (READLINE) +extern int bind_builtin __P((WORD_LIST *)); +extern char * const bind_doc[]; +#endif /* READLINE */ +extern int break_builtin __P((WORD_LIST *)); +extern char * const break_doc[]; +extern int continue_builtin __P((WORD_LIST *)); +extern char * const continue_doc[]; +extern int builtin_builtin __P((WORD_LIST *)); +extern char * const builtin_doc[]; +#if defined (DEBUGGER) +extern int caller_builtin __P((WORD_LIST *)); +extern char * const caller_doc[]; +#endif /* DEBUGGER */ +extern int cd_builtin __P((WORD_LIST *)); +extern char * const cd_doc[]; +extern int pwd_builtin __P((WORD_LIST *)); +extern char * const pwd_doc[]; +extern int colon_builtin __P((WORD_LIST *)); +extern char * const colon_doc[]; +extern int colon_builtin __P((WORD_LIST *)); +extern char * const true_doc[]; +extern int false_builtin __P((WORD_LIST *)); +extern char * const false_doc[]; +extern int command_builtin __P((WORD_LIST *)); +extern char * const command_doc[]; +#if defined (PROGRAMMABLE_COMPLETION) +extern int complete_builtin __P((WORD_LIST *)); +extern char * const complete_doc[]; +#endif /* PROGRAMMABLE_COMPLETION */ +#if defined (PROGRAMMABLE_COMPLETION) +extern int compgen_builtin __P((WORD_LIST *)); +extern char * const compgen_doc[]; +#endif /* PROGRAMMABLE_COMPLETION */ +#if defined (PROGRAMMABLE_COMPLETION) +extern int compopt_builtin __P((WORD_LIST *)); +extern char * const compopt_doc[]; +#endif /* PROGRAMMABLE_COMPLETION */ +extern int declare_builtin __P((WORD_LIST *)); +extern char * const declare_doc[]; +extern int declare_builtin __P((WORD_LIST *)); +extern char * const typeset_doc[]; +extern int local_builtin __P((WORD_LIST *)); +extern char * const local_doc[]; +#if defined (V9_ECHO) +extern int echo_builtin __P((WORD_LIST *)); +extern char * const echo_doc[]; +#endif /* V9_ECHO */ +#if !defined (V9_ECHO) +extern int echo_builtin __P((WORD_LIST *)); +extern char * const echo_doc[]; +#endif /* !V9_ECHO */ +extern int enable_builtin __P((WORD_LIST *)); +extern char * const enable_doc[]; +extern int eval_builtin __P((WORD_LIST *)); +extern char * const eval_doc[]; +extern int exec_builtin __P((WORD_LIST *)); +extern char * const exec_doc[]; +extern int exit_builtin __P((WORD_LIST *)); +extern char * const exit_doc[]; +extern int logout_builtin __P((WORD_LIST *)); +extern char * const logout_doc[]; +#if defined (HISTORY) +extern int fc_builtin __P((WORD_LIST *)); +extern char * const fc_doc[]; +#endif /* HISTORY */ +#if defined (JOB_CONTROL) +extern int fg_builtin __P((WORD_LIST *)); +extern char * const fg_doc[]; +#endif /* JOB_CONTROL */ +#if defined (JOB_CONTROL) +extern int bg_builtin __P((WORD_LIST *)); +extern char * const bg_doc[]; +#endif /* JOB_CONTROL */ +extern int getopts_builtin __P((WORD_LIST *)); +extern char * const getopts_doc[]; +extern int hash_builtin __P((WORD_LIST *)); +extern char * const hash_doc[]; +#if defined (HELP_BUILTIN) +extern int help_builtin __P((WORD_LIST *)); +extern char * const help_doc[]; +#endif /* HELP_BUILTIN */ +#if defined (HISTORY) +extern int history_builtin __P((WORD_LIST *)); +extern char * const history_doc[]; +#endif /* HISTORY */ +#if defined (apollo) +extern int inlib_builtin __P((WORD_LIST *)); +extern char * const inlib_doc[]; +#endif /* apollo */ +#if defined (JOB_CONTROL) +extern int jobs_builtin __P((WORD_LIST *)); +extern char * const jobs_doc[]; +#endif /* JOB_CONTROL */ +#if defined (JOB_CONTROL) +extern int disown_builtin __P((WORD_LIST *)); +extern char * const disown_doc[]; +#endif /* JOB_CONTROL */ +extern int kill_builtin __P((WORD_LIST *)); +extern char * const kill_doc[]; +extern int let_builtin __P((WORD_LIST *)); +extern char * const let_doc[]; +extern int mapfile_builtin __P((WORD_LIST *)); +extern char * const mapfile_doc[]; +extern int mapfile_builtin __P((WORD_LIST *)); +extern char * const readarray_doc[]; +extern int printf_builtin __P((WORD_LIST *)); +extern char * const printf_doc[]; +#if defined (PUSHD_AND_POPD) +extern int pushd_builtin __P((WORD_LIST *)); +extern char * const pushd_doc[]; +#endif /* PUSHD_AND_POPD */ +#if defined (PUSHD_AND_POPD) +extern int popd_builtin __P((WORD_LIST *)); +extern char * const popd_doc[]; +#endif /* PUSHD_AND_POPD */ +#if defined (PUSHD_AND_POPD) +extern int dirs_builtin __P((WORD_LIST *)); +extern char * const dirs_doc[]; +#endif /* PUSHD_AND_POPD */ +extern int read_builtin __P((WORD_LIST *)); +extern char * const read_doc[]; +extern char * const for_doc[]; +extern char * const arith_for_doc[]; +extern char * const select_doc[]; +extern char * const time_doc[]; +extern char * const case_doc[]; +extern char * const if_doc[]; +extern char * const while_doc[]; +extern char * const until_doc[]; +extern char * const coproc_doc[]; +extern char * const function_doc[]; +extern char * const grouping_braces_doc[]; +extern char * const fg_percent_doc[]; +extern char * const arith_doc[]; +extern char * const conditional_doc[]; +extern char * const variable_help_doc[]; +extern int return_builtin __P((WORD_LIST *)); +extern char * const return_doc[]; +extern int export_builtin __P((WORD_LIST *)); +extern char * const export_doc[]; +extern int readonly_builtin __P((WORD_LIST *)); +extern char * const readonly_doc[]; +extern int set_builtin __P((WORD_LIST *)); +extern char * const set_doc[]; +extern int unset_builtin __P((WORD_LIST *)); +extern char * const unset_doc[]; +extern int shift_builtin __P((WORD_LIST *)); +extern char * const shift_doc[]; +extern int shopt_builtin __P((WORD_LIST *)); +extern char * const shopt_doc[]; +extern int source_builtin __P((WORD_LIST *)); +extern char * const source_doc[]; +extern int source_builtin __P((WORD_LIST *)); +extern char * const dot_doc[]; +#if defined (JOB_CONTROL) +extern int suspend_builtin __P((WORD_LIST *)); +extern char * const suspend_doc[]; +#endif /* JOB_CONTROL */ +extern int test_builtin __P((WORD_LIST *)); +extern char * const test_doc[]; +extern int test_builtin __P((WORD_LIST *)); +extern char * const test_bracket_doc[]; +extern int times_builtin __P((WORD_LIST *)); +extern char * const times_doc[]; +extern int trap_builtin __P((WORD_LIST *)); +extern char * const trap_doc[]; +extern int type_builtin __P((WORD_LIST *)); +extern char * const type_doc[]; +#if !defined (_MINIX) +extern int ulimit_builtin __P((WORD_LIST *)); +extern char * const ulimit_doc[]; +#endif /* !_MINIX */ +extern int umask_builtin __P((WORD_LIST *)); +extern char * const umask_doc[]; +#if defined (JOB_CONTROL) +extern int wait_builtin __P((WORD_LIST *)); +extern char * const wait_doc[]; +#endif /* JOB_CONTROL */ +#if !defined (JOB_CONTROL) +extern int wait_builtin __P((WORD_LIST *)); +extern char * const wait_doc[]; +#endif /* !JOB_CONTROL */ diff --git a/builtins/builtin.c b/builtins/builtin.c new file mode 100644 index 0000000..3a75014 --- /dev/null +++ b/builtins/builtin.c @@ -0,0 +1,54 @@ +/* builtin.c, created from builtin.def. */ +#line 22 "./builtin.def" + +#line 36 "./builtin.def" +#include <config.h> + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include "../shell.h" +#include "common.h" +#include "bashgetopt.h" + +extern char *this_command_name; + +/* Run the command mentioned in list directly, without going through the + normal alias/function/builtin/filename lookup process. */ +int +builtin_builtin (list) + WORD_LIST *list; +{ + sh_builtin_func_t *function; + register char *command; + + if (no_options (list)) + return (EX_USAGE); + list = loptend; /* skip over possible `--' */ + + if (list == 0) + return (EXECUTION_SUCCESS); + + command = list->word->word; +#if defined (DISABLED_BUILTINS) + function = builtin_address (command); +#else /* !DISABLED_BUILTINS */ + function = find_shell_builtin (command); +#endif /* !DISABLED_BUILTINS */ + + if (!function) + { + sh_notbuiltin (command); + return (EXECUTION_FAILURE); + } + else + { + this_command_name = command; + list = list->next; + return ((*function) (list)); + } +} diff --git a/builtins/builtins.c b/builtins/builtins.c new file mode 100644 index 0000000..1d6ec74 --- /dev/null +++ b/builtins/builtins.c @@ -0,0 +1,2028 @@ +/* builtins.c -- the built in shell commands. */ + +/* This file is manufactured by ./mkbuiltins, and should not be + edited by hand. See the source to mkbuiltins for details. */ + +/* Copyright (C) 1987-2009 Free Software Foundation, Inc. + + This file is part of GNU Bash, the Bourne Again SHell. + + Bash is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + Bash is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with Bash. If not, see <http://www.gnu.org/licenses/>. +*/ + +/* The list of shell builtins. Each element is name, function, flags, + long-doc, short-doc. The long-doc field contains a pointer to an array + of help lines. The function takes a WORD_LIST *; the first word in the + list is the first arg to the command. The list has already had word + expansion performed. + + Functions which need to look at only the simple commands (e.g. + the enable_builtin ()), should ignore entries where + (array[i].function == (sh_builtin_func_t *)NULL). Such entries are for + the list of shell reserved control structures, like `if' and `while'. + The end of the list is denoted with a NULL name field. */ + +#include "../builtins.h" +#include "builtext.h" +#include "bashintl.h" + +struct builtin static_shell_builtins[] = { +#if defined (ALIAS) + { "alias", alias_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | ASSIGNMENT_BUILTIN | POSIX_BUILTIN, alias_doc, + N_("alias [-p] [name[=value] ... ]"), (char *)NULL }, +#endif /* ALIAS */ +#if defined (ALIAS) + { "unalias", unalias_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | POSIX_BUILTIN, unalias_doc, + N_("unalias [-a] name [name ...]"), (char *)NULL }, +#endif /* ALIAS */ +#if defined (READLINE) + { "bind", bind_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, bind_doc, + N_("bind [-lpvsPVS] [-m keymap] [-f filename] [-q name] [-u name] [-r keyseq] [-x keyseq:shell-command] [keyseq:readline-function or readline-command]"), (char *)NULL }, +#endif /* READLINE */ + { "break", break_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | SPECIAL_BUILTIN, break_doc, + N_("break [n]"), (char *)NULL }, + { "continue", continue_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | SPECIAL_BUILTIN, continue_doc, + N_("continue [n]"), (char *)NULL }, + { "builtin", builtin_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, builtin_doc, + N_("builtin [shell-builtin [arg ...]]"), (char *)NULL }, +#if defined (DEBUGGER) + { "caller", caller_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, caller_doc, + N_("caller [expr]"), (char *)NULL }, +#endif /* DEBUGGER */ + { "cd", cd_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | POSIX_BUILTIN, cd_doc, + N_("cd [-L|-P] [dir]"), (char *)NULL }, + { "pwd", pwd_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | POSIX_BUILTIN, pwd_doc, + N_("pwd [-LP]"), (char *)NULL }, + { ":", colon_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | SPECIAL_BUILTIN, colon_doc, + N_(":"), (char *)NULL }, + { "true", colon_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | POSIX_BUILTIN, true_doc, + N_("true"), (char *)NULL }, + { "false", false_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | POSIX_BUILTIN, false_doc, + N_("false"), (char *)NULL }, + { "command", command_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | POSIX_BUILTIN, command_doc, + N_("command [-pVv] command [arg ...]"), (char *)NULL }, +#if defined (PROGRAMMABLE_COMPLETION) + { "complete", complete_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, complete_doc, + N_("complete [-abcdefgjksuv] [-pr] [-DE] [-o option] [-A action] [-G globpat] [-W wordlist] [-F function] [-C command] [-X filterpat] [-P prefix] [-S suffix] [name ...]"), (char *)NULL }, +#endif /* PROGRAMMABLE_COMPLETION */ +#if defined (PROGRAMMABLE_COMPLETION) + { "compgen", compgen_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, compgen_doc, + N_("compgen [-abcdefgjksuv] [-o option] [-A action] [-G globpat] [-W wordlist] [-F function] [-C command] [-X filterpat] [-P prefix] [-S suffix] [word]"), (char *)NULL }, +#endif /* PROGRAMMABLE_COMPLETION */ +#if defined (PROGRAMMABLE_COMPLETION) + { "compopt", compopt_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, compopt_doc, + N_("compopt [-o|+o option] [-DE] [name ...]"), (char *)NULL }, +#endif /* PROGRAMMABLE_COMPLETION */ + { "declare", declare_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | ASSIGNMENT_BUILTIN, declare_doc, + N_("declare [-aAfFilrtux] [-p] [name[=value] ...]"), (char *)NULL }, + { "typeset", declare_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | ASSIGNMENT_BUILTIN, typeset_doc, + N_("typeset [-aAfFilrtux] [-p] name[=value] ..."), (char *)NULL }, + { "local", local_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | ASSIGNMENT_BUILTIN, local_doc, + N_("local [option] name[=value] ..."), (char *)NULL }, +#if defined (V9_ECHO) + { "echo", echo_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, echo_doc, + N_("echo [-neE] [arg ...]"), (char *)NULL }, +#endif /* V9_ECHO */ +#if !defined (V9_ECHO) + { "echo", echo_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, echo_doc, + N_("echo [-n] [arg ...]"), (char *)NULL }, +#endif /* !V9_ECHO */ + { "enable", enable_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, enable_doc, + N_("enable [-a] [-dnps] [-f filename] [name ...]"), (char *)NULL }, + { "eval", eval_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | SPECIAL_BUILTIN, eval_doc, + N_("eval [arg ...]"), (char *)NULL }, + { "exec", exec_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | SPECIAL_BUILTIN, exec_doc, + N_("exec [-cl] [-a name] [command [arguments ...]] [redirection ...]"), (char *)NULL }, + { "exit", exit_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | SPECIAL_BUILTIN, exit_doc, + N_("exit [n]"), (char *)NULL }, + { "logout", logout_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, logout_doc, + N_("logout [n]"), (char *)NULL }, +#if defined (HISTORY) + { "fc", fc_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | POSIX_BUILTIN, fc_doc, + N_("fc [-e ename] [-lnr] [first] [last] or fc -s [pat=rep] [command]"), (char *)NULL }, +#endif /* HISTORY */ +#if defined (JOB_CONTROL) + { "fg", fg_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | POSIX_BUILTIN, fg_doc, + N_("fg [job_spec]"), (char *)NULL }, +#endif /* JOB_CONTROL */ +#if defined (JOB_CONTROL) + { "bg", bg_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | POSIX_BUILTIN, bg_doc, + N_("bg [job_spec ...]"), (char *)NULL }, +#endif /* JOB_CONTROL */ + { "getopts", getopts_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | POSIX_BUILTIN, getopts_doc, + N_("getopts optstring name [arg]"), (char *)NULL }, + { "hash", hash_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, hash_doc, + N_("hash [-lr] [-p pathname] [-dt] [name ...]"), (char *)NULL }, +#if defined (HELP_BUILTIN) + { "help", help_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, help_doc, + N_("help [-dms] [pattern ...]"), (char *)NULL }, +#endif /* HELP_BUILTIN */ +#if defined (HISTORY) + { "history", history_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, history_doc, + N_("history [-c] [-d offset] [n] or history -anrw [filename] or history -ps arg [arg...]"), (char *)NULL }, +#endif /* HISTORY */ +#if defined (apollo) + { "inlib", inlib_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, inlib_doc, + N_("inlib pathname [pathname...]"), (char *)NULL }, +#endif /* apollo */ +#if defined (JOB_CONTROL) + { "jobs", jobs_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | POSIX_BUILTIN, jobs_doc, + N_("jobs [-lnprs] [jobspec ...] or jobs -x command [args]"), (char *)NULL }, +#endif /* JOB_CONTROL */ +#if defined (JOB_CONTROL) + { "disown", disown_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, disown_doc, + N_("disown [-h] [-ar] [jobspec ...]"), (char *)NULL }, +#endif /* JOB_CONTROL */ + { "kill", kill_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | POSIX_BUILTIN, kill_doc, + N_("kill [-s sigspec | -n signum | -sigspec] pid | jobspec ... or kill -l [sigspec]"), (char *)NULL }, + { "let", let_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, let_doc, + N_("let arg [arg ...]"), (char *)NULL }, + { "mapfile", mapfile_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, mapfile_doc, + N_("mapfile [-n count] [-O origin] [-s count] [-t] [-u fd] [-C callback] [-c quantum] [array]"), (char *)NULL }, + { "readarray", mapfile_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, readarray_doc, + N_("readarray [-n count] [-O origin] [-s count] [-t] [-u fd] [-C callback] [-c quantum] [array]"), (char *)NULL }, + { "printf", printf_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, printf_doc, + N_("printf [-v var] format [arguments]"), (char *)NULL }, +#if defined (PUSHD_AND_POPD) + { "pushd", pushd_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, pushd_doc, + N_("pushd [-n] [+N | -N | dir]"), (char *)NULL }, +#endif /* PUSHD_AND_POPD */ +#if defined (PUSHD_AND_POPD) + { "popd", popd_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, popd_doc, + N_("popd [-n] [+N | -N]"), (char *)NULL }, +#endif /* PUSHD_AND_POPD */ +#if defined (PUSHD_AND_POPD) + { "dirs", dirs_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, dirs_doc, + N_("dirs [-clpv] [+N] [-N]"), (char *)NULL }, +#endif /* PUSHD_AND_POPD */ + { "read", read_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | POSIX_BUILTIN, read_doc, + N_("read [-ers] [-a array] [-d delim] [-i text] [-n nchars] [-N nchars] [-p prompt] [-t timeout] [-u fd] [name ...]"), (char *)NULL }, + { "for", (sh_builtin_func_t *)0x0, BUILTIN_ENABLED | STATIC_BUILTIN, for_doc, + N_("for NAME [in WORDS ... ] ; do COMMANDS; done"), (char *)NULL }, + { "for ((", (sh_builtin_func_t *)0x0, BUILTIN_ENABLED | STATIC_BUILTIN, arith_for_doc, + N_("for (( exp1; exp2; exp3 )); do COMMANDS; done"), (char *)NULL }, + { "select", (sh_builtin_func_t *)0x0, BUILTIN_ENABLED | STATIC_BUILTIN, select_doc, + N_("select NAME [in WORDS ... ;] do COMMANDS; done"), (char *)NULL }, + { "time", (sh_builtin_func_t *)0x0, BUILTIN_ENABLED | STATIC_BUILTIN, time_doc, + N_("time [-p] pipeline"), (char *)NULL }, + { "case", (sh_builtin_func_t *)0x0, BUILTIN_ENABLED | STATIC_BUILTIN, case_doc, + N_("case WORD in [PATTERN [| PATTERN]...) COMMANDS ;;]... esac"), (char *)NULL }, + { "if", (sh_builtin_func_t *)0x0, BUILTIN_ENABLED | STATIC_BUILTIN, if_doc, + N_("if COMMANDS; then COMMANDS; [ elif COMMANDS; then COMMANDS; ]... [ else COMMANDS; ] fi"), (char *)NULL }, + { "while", (sh_builtin_func_t *)0x0, BUILTIN_ENABLED | STATIC_BUILTIN, while_doc, + N_("while COMMANDS; do COMMANDS; done"), (char *)NULL }, + { "until", (sh_builtin_func_t *)0x0, BUILTIN_ENABLED | STATIC_BUILTIN, until_doc, + N_("until COMMANDS; do COMMANDS; done"), (char *)NULL }, + { "coproc", (sh_builtin_func_t *)0x0, BUILTIN_ENABLED | STATIC_BUILTIN, coproc_doc, + N_("coproc [NAME] command [redirections]"), (char *)NULL }, + { "function", (sh_builtin_func_t *)0x0, BUILTIN_ENABLED | STATIC_BUILTIN, function_doc, + N_("function name { COMMANDS ; } or name () { COMMANDS ; }"), (char *)NULL }, + { "{ ... }", (sh_builtin_func_t *)0x0, BUILTIN_ENABLED | STATIC_BUILTIN, grouping_braces_doc, + N_("{ COMMANDS ; }"), (char *)NULL }, + { "%", (sh_builtin_func_t *)0x0, BUILTIN_ENABLED | STATIC_BUILTIN, fg_percent_doc, + N_("job_spec [&]"), (char *)NULL }, + { "(( ... ))", (sh_builtin_func_t *)0x0, BUILTIN_ENABLED | STATIC_BUILTIN, arith_doc, + N_("(( expression ))"), (char *)NULL }, + { "[[ ... ]]", (sh_builtin_func_t *)0x0, BUILTIN_ENABLED | STATIC_BUILTIN, conditional_doc, + N_("[[ expression ]]"), (char *)NULL }, + { "variables", (sh_builtin_func_t *)0x0, BUILTIN_ENABLED | STATIC_BUILTIN, variable_help_doc, + N_("variables - Names and meanings of some shell variables"), (char *)NULL }, + { "return", return_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | SPECIAL_BUILTIN, return_doc, + N_("return [n]"), (char *)NULL }, + { "export", export_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | SPECIAL_BUILTIN | ASSIGNMENT_BUILTIN, export_doc, + N_("export [-fn] [name[=value] ...] or export -p"), (char *)NULL }, + { "readonly", readonly_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | SPECIAL_BUILTIN | ASSIGNMENT_BUILTIN, readonly_doc, + N_("readonly [-af] [name[=value] ...] or readonly -p"), (char *)NULL }, + { "set", set_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | SPECIAL_BUILTIN, set_doc, + N_("set [--abefhkmnptuvxBCHP] [-o option-name] [arg ...]"), (char *)NULL }, + { "unset", unset_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | SPECIAL_BUILTIN, unset_doc, + N_("unset [-f] [-v] [name ...]"), (char *)NULL }, + { "shift", shift_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | SPECIAL_BUILTIN, shift_doc, + N_("shift [n]"), (char *)NULL }, + { "shopt", shopt_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, shopt_doc, + N_("shopt [-pqsu] [-o] [optname ...]"), (char *)NULL }, + { "source", source_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | SPECIAL_BUILTIN, source_doc, + N_("source filename [arguments]"), (char *)NULL }, + { ".", source_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | SPECIAL_BUILTIN, dot_doc, + N_(". filename [arguments]"), (char *)NULL }, +#if defined (JOB_CONTROL) + { "suspend", suspend_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, suspend_doc, + N_("suspend [-f]"), (char *)NULL }, +#endif /* JOB_CONTROL */ + { "test", test_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, test_doc, + N_("test [expr]"), (char *)NULL }, + { "[", test_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, test_bracket_doc, + N_("[ arg... ]"), (char *)NULL }, + { "times", times_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | SPECIAL_BUILTIN, times_doc, + N_("times"), (char *)NULL }, + { "trap", trap_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | SPECIAL_BUILTIN, trap_doc, + N_("trap [-lp] [[arg] signal_spec ...]"), (char *)NULL }, + { "type", type_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, type_doc, + N_("type [-afptP] name [name ...]"), (char *)NULL }, +#if !defined (_MINIX) + { "ulimit", ulimit_builtin, BUILTIN_ENABLED | STATIC_BUILTIN, ulimit_doc, + N_("ulimit [-SHacdefilmnpqrstuvx] [limit]"), (char *)NULL }, +#endif /* !_MINIX */ + { "umask", umask_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | POSIX_BUILTIN, umask_doc, + N_("umask [-p] [-S] [mode]"), (char *)NULL }, +#if defined (JOB_CONTROL) + { "wait", wait_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | POSIX_BUILTIN, wait_doc, + N_("wait [id]"), (char *)NULL }, +#endif /* JOB_CONTROL */ +#if !defined (JOB_CONTROL) + { "wait", wait_builtin, BUILTIN_ENABLED | STATIC_BUILTIN | POSIX_BUILTIN, wait_doc, + N_("wait [pid]"), (char *)NULL }, +#endif /* !JOB_CONTROL */ + { (char *)0x0, (sh_builtin_func_t *)0x0, 0, (char **)0x0, (char *)0x0 } +}; + +struct builtin *shell_builtins = static_shell_builtins; +struct builtin *current_builtin; + +int num_shell_builtins = + sizeof (static_shell_builtins) / sizeof (struct builtin) - 1; +#if defined (ALIAS) +char * const alias_doc[] = { +#if defined (HELP_BUILTIN) +N_("Define or display aliases.\n\ + \n\ + Without arguments, `alias' prints the list of aliases in the reusable\n\ + form `alias NAME=VALUE' on standard output.\n\ + \n\ + Otherwise, an alias is defined for each NAME whose VALUE is given.\n\ + A trailing space in VALUE causes the next word to be checked for\n\ + alias substitution when the alias is expanded.\n\ + \n\ + Options:\n\ + -p Print all defined aliases in a reusable format\n\ + \n\ + Exit Status:\n\ + alias returns true unless a NAME is supplied for which no alias has been\n\ + defined."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* ALIAS */ +#if defined (ALIAS) +char * const unalias_doc[] = { +#if defined (HELP_BUILTIN) +N_("Remove each NAME from the list of defined aliases.\n\ + \n\ + Options:\n\ + -a remove all alias definitions.\n\ + \n\ + Return success unless a NAME is not an existing alias."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* ALIAS */ +#if defined (READLINE) +char * const bind_doc[] = { +#if defined (HELP_BUILTIN) +N_("Set Readline key bindings and variables.\n\ + \n\ + Bind a key sequence to a Readline function or a macro, or set a\n\ + Readline variable. The non-option argument syntax is equivalent to\n\ + that found in ~/.inputrc, but must be passed as a single argument:\n\ + e.g., bind '\"\\C-x\\C-r\": re-read-init-file'.\n\ + \n\ + Options:\n\ + -m keymap Use KEYMAP as the keymap for the duration of this\n\ + command. Acceptable keymap names are emacs,\n\ + emacs-standard, emacs-meta, emacs-ctlx, vi, vi-move,\n\ + vi-command, and vi-insert.\n\ + -l List names of functions.\n\ + -P List function names and bindings.\n\ + -p List functions and bindings in a form that can be\n\ + reused as input.\n\ + -S List key sequences that invoke macros and their values\n\ + -s List key sequences that invoke macros and their values\n\ + in a form that can be reused as input.\n\ + -V List variable names and values\n\ + -v List variable names and values in a form that can\n\ + be reused as input.\n\ + -q function-name Query about which keys invoke the named function.\n\ + -u function-name Unbind all keys which are bound to the named function.\n\ + -r keyseq Remove the binding for KEYSEQ.\n\ + -f filename Read key bindings from FILENAME.\n\ + -x keyseq:shell-command Cause SHELL-COMMAND to be executed when\n\ + KEYSEQ is entered.\n\ + \n\ + Exit Status:\n\ + bind returns 0 unless an unrecognized option is given or an error occurs."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* READLINE */ +char * const break_doc[] = { +#if defined (HELP_BUILTIN) +N_("Exit for, while, or until loops.\n\ + \n\ + Exit a FOR, WHILE or UNTIL loop. If N is specified, break N enclosing\n\ + loops.\n\ + \n\ + Exit Status:\n\ + The exit status is 0 unless N is not greater than or equal to 1."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const continue_doc[] = { +#if defined (HELP_BUILTIN) +N_("Resume for, while, or until loops.\n\ + \n\ + Resumes the next iteration of the enclosing FOR, WHILE or UNTIL loop.\n\ + If N is specified, resumes the Nth enclosing loop.\n\ + \n\ + Exit Status:\n\ + The exit status is 0 unless N is not greater than or equal to 1."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const builtin_doc[] = { +#if defined (HELP_BUILTIN) +N_("Execute shell builtins.\n\ + \n\ + Execute SHELL-BUILTIN with arguments ARGs without performing command\n\ + lookup. This is useful when you wish to reimplement a shell builtin\n\ + as a shell function, but need to execute the builtin within the function.\n\ + \n\ + Exit Status:\n\ + Returns the exit status of SHELL-BUILTIN, or false if SHELL-BUILTIN is\n\ + not a shell builtin.."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#if defined (DEBUGGER) +char * const caller_doc[] = { +#if defined (HELP_BUILTIN) +N_("Return the context of the current subroutine call.\n\ + \n\ + Without EXPR, returns \"$line $filename\". With EXPR, returns\n\ + \"$line $subroutine $filename\"; this extra information can be used to\n\ + provide a stack trace.\n\ + \n\ + The value of EXPR indicates how many call frames to go back before the\n\ + current one; the top frame is frame 0.\n\ + \n\ + Exit Status:\n\ + Returns 0 unless the shell is not executing a shell function or EXPR\n\ + is invalid."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* DEBUGGER */ +char * const cd_doc[] = { +#if defined (HELP_BUILTIN) +N_("Change the shell working directory.\n\ + \n\ + Change the current directory to DIR. The default DIR is the value of the\n\ + HOME shell variable.\n\ + \n\ + The variable CDPATH defines the search path for the directory containing\n\ + DIR. Alternative directory names in CDPATH are separated by a colon (:).\n\ + A null directory name is the same as the current directory. If DIR begins\n\ + with a slash (/), then CDPATH is not used.\n\ + \n\ + If the directory is not found, and the shell option `cdable_vars' is set,\n\ + the word is assumed to be a variable name. If that variable has a value,\n\ + its value is used for DIR.\n\ + \n\ + Options:\n\ + -L force symbolic links to be followed\n\ + -P use the physical directory structure without following symbolic\n\ + links\n\ + \n\ + The default is to follow symbolic links, as if `-L' were specified.\n\ + \n\ + Exit Status:\n\ + Returns 0 if the directory is changed; non-zero otherwise."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const pwd_doc[] = { +#if defined (HELP_BUILTIN) +N_("Print the name of the current working directory.\n\ + \n\ + Options:\n\ + -L print the value of $PWD if it names the current working\n\ + directory\n\ + -P print the physical directory, without any symbolic links\n\ + \n\ + By default, `pwd' behaves as if `-L' were specified.\n\ + \n\ + Exit Status:\n\ + Returns 0 unless an invalid option is given or the current directory\n\ + cannot be read."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const colon_doc[] = { +#if defined (HELP_BUILTIN) +N_("Null command.\n\ + \n\ + No effect; the command does nothing.\n\ + \n\ + Exit Status:\n\ + Always succeeds."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const true_doc[] = { +#if defined (HELP_BUILTIN) +N_("Return a successful result.\n\ + \n\ + Exit Status:\n\ + Always succeeds."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const false_doc[] = { +#if defined (HELP_BUILTIN) +N_("Return an unsuccessful result.\n\ + \n\ + Exit Status:\n\ + Always fails."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const command_doc[] = { +#if defined (HELP_BUILTIN) +N_("Execute a simple command or display information about commands.\n\ + \n\ + Runs COMMAND with ARGS suppressing shell function lookup, or display\n\ + information about the specified COMMANDs. Can be used to invoke commands\n\ + on disk when a function with the same name exists.\n\ + \n\ + Options:\n\ + -p use a default value for PATH that is guaranteed to find all of\n\ + the standard utilities\n\ + -v print a description of COMMAND similar to the `type' builtin\n\ + -V print a more verbose description of each COMMAND\n\ + \n\ + Exit Status:\n\ + Returns exit status of COMMAND, or failure if COMMAND is not found."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#if defined (PROGRAMMABLE_COMPLETION) +char * const complete_doc[] = { +#if defined (HELP_BUILTIN) +N_("Specify how arguments are to be completed by Readline.\n\ + \n\ + For each NAME, specify how arguments are to be completed. If no options\n\ + are supplied, existing completion specifications are printed in a way that\n\ + allows them to be reused as input.\n\ + \n\ + Options:\n\ + -p print existing completion specifications in a reusable format\n\ + -r remove a completion specification for each NAME, or, if no\n\ + NAMEs are supplied, all completion specifications\n\ + -D apply the completions and actions as the default for commands\n\ + without any specific completion defined\n\ + -E apply the completions and actions to \"empty\" commands --\n\ + completion attempted on a blank line\n\ + \n\ + When completion is attempted, the actions are applied in the order the\n\ + uppercase-letter options are listed above. The -D option takes\n\ + precedence over -E.\n\ + \n\ + Exit Status:\n\ + Returns success unless an invalid option is supplied or an error occurs."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* PROGRAMMABLE_COMPLETION */ +#if defined (PROGRAMMABLE_COMPLETION) +char * const compgen_doc[] = { +#if defined (HELP_BUILTIN) +N_("Display possible completions depending on the options.\n\ + \n\ + Intended to be used from within a shell function generating possible\n\ + completions. If the optional WORD argument is supplied, matches against\n\ + WORD are generated.\n\ + \n\ + Exit Status:\n\ + Returns success unless an invalid option is supplied or an error occurs."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* PROGRAMMABLE_COMPLETION */ +#if defined (PROGRAMMABLE_COMPLETION) +char * const compopt_doc[] = { +#if defined (HELP_BUILTIN) +N_("Modify or display completion options.\n\ + \n\ + Modify the completion options for each NAME, or, if no NAMEs are supplied,\n\ + the completion currently begin executed. If no OPTIONs are givenm, print\n\ + the completion options for each NAME or the current completion specification.\n\ + \n\ + Options:\n\ + -o option Set completion option OPTION for each NAME\n\ + -D Change options for the \"default\" command completion\n\ + -E Change options for the \"empty\" command completion\n\ + \n\ + Using `+o' instead of `-o' turns off the specified option.\n\ + \n\ + Arguments:\n\ + \n\ + Each NAME refers to a command for which a completion specification must\n\ + have previously been defined using the `complete' builtin. If no NAMEs\n\ + are supplied, compopt must be called by a function currently generating\n\ + completions, and the options for that currently-executing completion\n\ + generator are modified.\n\ + \n\ + Exit Status:\n\ + Returns success unless an invalid option is supplied or NAME does not\n\ + have a completion specification defined."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* PROGRAMMABLE_COMPLETION */ +char * const declare_doc[] = { +#if defined (HELP_BUILTIN) +N_("Set variable values and attributes.\n\ + \n\ + Declare variables and give them attributes. If no NAMEs are given,\n\ + display the attributes and values of all variables.\n\ + \n\ + Options:\n\ + -f restrict action or display to function names and definitions\n\ + -F restrict display to function names only (plus line number and\n\ + source file when debugging)\n\ + -p display the attributes and value of each NAME\n\ + \n\ + Options which set attributes:\n\ + -a to make NAMEs indexed arrays (if supported)\n\ + -A to make NAMEs associative arrays (if supported)\n\ + -i to make NAMEs have the `integer' attribute\n\ + -l to convert NAMEs to lower case on assignment\n\ + -r to make NAMEs readonly\n\ + -t to make NAMEs have the `trace' attribute\n\ + -u to convert NAMEs to upper case on assignment\n\ + -x to make NAMEs export\n\ + \n\ + Using `+' instead of `-' turns off the given attribute.\n\ + \n\ + Variables with the integer attribute have arithmetic evaluation (see\n\ + the `let' command) performed when the variable is assigned a value.\n\ + \n\ + When used in a function, `declare' makes NAMEs local, as with the `local'\n\ + command.\n\ + \n\ + Exit Status:\n\ + Returns success unless an invalid option is supplied or an error occurs."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const typeset_doc[] = { +#if defined (HELP_BUILTIN) +N_("Set variable values and attributes.\n\ + \n\ + Obsolete. See `help declare'."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const local_doc[] = { +#if defined (HELP_BUILTIN) +N_("Define local variables.\n\ + \n\ + Create a local variable called NAME, and give it VALUE. OPTION can\n\ + be any option accepted by `declare'.\n\ + \n\ + Local variables can only be used within a function; they are visible\n\ + only to the function where they are defined and its children.\n\ + \n\ + Exit Status:\n\ + Returns success unless an invalid option is supplied, an error occurs,\n\ + or the shell is not executing a function."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#if defined (V9_ECHO) +char * const echo_doc[] = { +#if defined (HELP_BUILTIN) +N_("Write arguments to the standard output.\n\ + \n\ + Display the ARGs on the standard output followed by a newline.\n\ + \n\ + Options:\n\ + -n do not append a newline\n\ + -e enable interpretation of the following backslash escapes\n\ + -E explicitly suppress interpretation of backslash escapes\n\ + \n\ + `echo' interprets the following backslash-escaped characters:\n\ + \\a alert (bell)\n\ + \\b backspace\n\ + \\c suppress further output\n\ + \\e escape character\n\ + \\f form feed\n\ + \\n new line\n\ + \\r carriage return\n\ + \\t horizontal tab\n\ + \\v vertical tab\n\ + \\\\ backslash\n\ + \\0nnn the character whose ASCII code is NNN (octal). NNN can be\n\ + 0 to 3 octal digits\n\ + \\xHH the eight-bit character whose value is HH (hexadecimal). HH\n\ + can be one or two hex digits\n\ + \n\ + Exit Status:\n\ + Returns success unless a write error occurs."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* V9_ECHO */ +#if !defined (V9_ECHO) +char * const echo_doc[] = { +#if defined (HELP_BUILTIN) +N_("Write arguments to the standard output.\n\ + \n\ + Display the ARGs on the standard output followed by a newline.\n\ + \n\ + Options:\n\ + -n do not append a newline\n\ + \n\ + Exit Status:\n\ + Returns success unless a write error occurs."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* !V9_ECHO */ +char * const enable_doc[] = { +#if defined (HELP_BUILTIN) +N_("Enable and disable shell builtins.\n\ + \n\ + Enables and disables builtin shell commands. Disabling allows you to\n\ + execute a disk command which has the same name as a shell builtin\n\ + without using a full pathname.\n\ + \n\ + Options:\n\ + -a print a list of builtins showing whether or not each is enabled\n\ + -n disable each NAME or display a list of disabled builtins\n\ + -p print the list of builtins in a reusable format\n\ + -s print only the names of Posix `special' builtins\n\ + \n\ + Options controlling dynamic loading:\n\ + -f Load builtin NAME from shared object FILENAME\n\ + -d Remove a builtin loaded with -f\n\ + \n\ + Without options, each NAME is enabled.\n\ + \n\ + To use the `test' found in $PATH instead of the shell builtin\n\ + version, type `enable -n test'.\n\ + \n\ + Exit Status:\n\ + Returns success unless NAME is not a shell builtin or an error occurs."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const eval_doc[] = { +#if defined (HELP_BUILTIN) +N_("Execute arguments as a shell command.\n\ + \n\ + Combine ARGs into a single string, use the result as input to the shell,\n\ + and execute the resulting commands.\n\ + \n\ + Exit Status:\n\ + Returns exit status of command or success if command is null."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const exec_doc[] = { +#if defined (HELP_BUILTIN) +N_("Replace the shell with the given command.\n\ + \n\ + Execute COMMAND, replacing this shell with the specified program.\n\ + ARGUMENTS become the arguments to COMMAND. If COMMAND is not specified,\n\ + any redirections take effect in the current shell.\n\ + \n\ + Options:\n\ + -a name pass NAME as the zeroth argument to COMMAND\n\ + -c execute COMMAND with an empty environment\n\ + -l place a dash in the zeroth argument to COMMAND\n\ + \n\ + If the command cannot be executed, a non-interactive shell exits, unless\n\ + the shell option `execfail' is set.\n\ + \n\ + Exit Status:\n\ + Returns success unless COMMAND is not found or a redirection error occurs."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const exit_doc[] = { +#if defined (HELP_BUILTIN) +N_("Exit the shell.\n\ + \n\ + Exits the shell with a status of N. If N is omitted, the exit status\n\ + is that of the last command executed."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const logout_doc[] = { +#if defined (HELP_BUILTIN) +N_("Exit a login shell.\n\ + \n\ + Exits a login shell with exit status N. Returns an error if not executed\n\ + in a login shell."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#if defined (HISTORY) +char * const fc_doc[] = { +#if defined (HELP_BUILTIN) +N_("Display or execute commands from the history list.\n\ + \n\ + fc is used to list or edit and re-execute commands from the history list.\n\ + FIRST and LAST can be numbers specifying the range, or FIRST can be a\n\ + string, which means the most recent command beginning with that\n\ + string.\n\ + \n\ + Options:\n\ + -e ENAME select which editor to use. Default is FCEDIT, then EDITOR,\n\ + then vi\n\ + -l list lines instead of editing\n\ + -n omit line numbers when listing\n\ + -r reverse the order of the lines (newest listed first)\n\ + \n\ + With the `fc -s [pat=rep ...] [command]' format, COMMAND is\n\ + re-executed after the substitution OLD=NEW is performed.\n\ + \n\ + A useful alias to use with this is r='fc -s', so that typing `r cc'\n\ + runs the last command beginning with `cc' and typing `r' re-executes\n\ + the last command.\n\ + \n\ + Exit Status:\n\ + Returns success or status of executed command; non-zero if an error occurs."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* HISTORY */ +#if defined (JOB_CONTROL) +char * const fg_doc[] = { +#if defined (HELP_BUILTIN) +N_("Move job to the foreground.\n\ + \n\ + Place the job identified by JOB_SPEC in the foreground, making it the\n\ + current job. If JOB_SPEC is not present, the shell's notion of the\n\ + current job is used.\n\ + \n\ + Exit Status:\n\ + Status of command placed in foreground, or failure if an error occurs."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* JOB_CONTROL */ +#if defined (JOB_CONTROL) +char * const bg_doc[] = { +#if defined (HELP_BUILTIN) +N_("Move jobs to the background.\n\ + \n\ + Place the jobs identified by each JOB_SPEC in the background, as if they\n\ + had been started with `&'. If JOB_SPEC is not present, the shell's notion\n\ + of the current job is used.\n\ + \n\ + Exit Status:\n\ + Returns success unless job control is not enabled or an error occurs."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* JOB_CONTROL */ +char * const getopts_doc[] = { +#if defined (HELP_BUILTIN) +N_("Parse option arguments.\n\ + \n\ + Getopts is used by shell procedures to parse positional parameters\n\ + as options.\n\ + \n\ + OPTSTRING contains the option letters to be recognized; if a letter\n\ + is followed by a colon, the option is expected to have an argument,\n\ + which should be separated from it by white space.\n\ + \n\ + Each time it is invoked, getopts will place the next option in the\n\ + shell variable $name, initializing name if it does not exist, and\n\ + the index of the next argument to be processed into the shell\n\ + variable OPTIND. OPTIND is initialized to 1 each time the shell or\n\ + a shell script is invoked. When an option requires an argument,\n\ + getopts places that argument into the shell variable OPTARG.\n\ + \n\ + getopts reports errors in one of two ways. If the first character\n\ + of OPTSTRING is a colon, getopts uses silent error reporting. In\n\ + this mode, no error messages are printed. If an invalid option is\n\ + seen, getopts places the option character found into OPTARG. If a\n\ + required argument is not found, getopts places a ':' into NAME and\n\ + sets OPTARG to the option character found. If getopts is not in\n\ + silent mode, and an invalid option is seen, getopts places '?' into\n\ + NAME and unsets OPTARG. If a required argument is not found, a '?'\n\ + is placed in NAME, OPTARG is unset, and a diagnostic message is\n\ + printed.\n\ + \n\ + If the shell variable OPTERR has the value 0, getopts disables the\n\ + printing of error messages, even if the first character of\n\ + OPTSTRING is not a colon. OPTERR has the value 1 by default.\n\ + \n\ + Getopts normally parses the positional parameters ($0 - $9), but if\n\ + more arguments are given, they are parsed instead.\n\ + \n\ + Exit Status:\n\ + Returns success if an option is found; fails if the end of options is\n\ + encountered or an error occurs."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const hash_doc[] = { +#if defined (HELP_BUILTIN) +N_("Remember or display program locations.\n\ + \n\ + Determine and remember the full pathname of each command NAME. If\n\ + no arguments are given, information about remembered commands is displayed.\n\ + \n\ + Options:\n\ + -d forget the remembered location of each NAME\n\ + -l display in a format that may be reused as input\n\ + -p pathname use PATHNAME is the full pathname of NAME\n\ + -r forget all remembered locations\n\ + -t print the remembered location of each NAME, preceding\n\ + each location with the corresponding NAME if multiple\n\ + NAMEs are given\n\ + Arguments:\n\ + NAME Each NAME is searched for in $PATH and added to the list\n\ + of remembered commands.\n\ + \n\ + Exit Status:\n\ + Returns success unless NAME is not found or an invalid option is given."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#if defined (HELP_BUILTIN) +char * const help_doc[] = { +#if defined (HELP_BUILTIN) +N_("Display information about builtin commands.\n\ + \n\ + Displays brief summaries of builtin commands. If PATTERN is\n\ + specified, gives detailed help on all commands matching PATTERN,\n\ + otherwise the list of help topics is printed.\n\ + \n\ + Options:\n\ + -d output short description for each topic\n\ + -m display usage in pseudo-manpage format\n\ + -s output only a short usage synopsis for each topic matching\n\ + PATTERN\n\ + \n\ + Arguments:\n\ + PATTERN Pattern specifiying a help topic\n\ + \n\ + Exit Status:\n\ + Returns success unless PATTERN is not found or an invalid option is given."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* HELP_BUILTIN */ +#if defined (HISTORY) +char * const history_doc[] = { +#if defined (HELP_BUILTIN) +N_("Display or manipulate the history list.\n\ + \n\ + Display the history list with line numbers, prefixing each modified\n\ + entry with a `*'. An argument of N lists only the last N entries.\n\ + \n\ + Options:\n\ + -c clear the history list by deleting all of the entries\n\ + -d offset delete the history entry at offset OFFSET.\n\ + \n\ + -a append history lines from this session to the history file\n\ + -n read all history lines not already read from the history file\n\ + -r read the history file and append the contents to the history\n\ + list\n\ + -w write the current history to the history file\n\ + and append them to the history list\n\ + \n\ + -p perform history expansion on each ARG and display the result\n\ + without storing it in the history list\n\ + -s append the ARGs to the history list as a single entry\n\ + \n\ + If FILENAME is given, it is used as the history file. Otherwise,\n\ + if $HISTFILE has a value, that is used, else ~/.bash_history.\n\ + \n\ + If the $HISTTIMEFORMAT variable is set and not null, its value is used\n\ + as a format string for strftime(3) to print the time stamp associated\n\ + with each displayed history entry. No time stamps are printed otherwise.\n\ + \n\ + Exit Status:\n\ + Returns success unless an invalid option is given or an error occurs."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* HISTORY */ +#if defined (apollo) +char * const inlib_doc[] = { +#if defined (HELP_BUILTIN) +N_("Install user-supplied library.\n\ + \n\ + Install a user-supplied library specified by pathname in the current\n\ + shell process. The library is used to resolve external references\n\ + in programs and libraries loaded after its installation. Note\n\ + that the library is not loaded into the address space unless it is\n\ + needed to resolve an external reference. The list of inlibed\n\ + libraries is passed to all children of the current shell.\n\ + \n\ + Exit Status:\n\ + Returns success unless PATHNAME is not found or an error occurs."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* apollo */ +#if defined (JOB_CONTROL) +char * const jobs_doc[] = { +#if defined (HELP_BUILTIN) +N_("Display status of jobs.\n\ + \n\ + Lists the active jobs. JOBSPEC restricts output to that job.\n\ + Without options, the status of all active jobs is displayed.\n\ + \n\ + Options:\n\ + -l lists process IDs in addition to the normal information\n\ + -n list only processes that have changed status since the last\n\ + notification\n\ + -p lists process IDs only\n\ + -r restrict output to running jobs\n\ + -s restrict output to stopped jobs\n\ + \n\ + If -x is supplied, COMMAND is run after all job specifications that\n\ + appear in ARGS have been replaced with the process ID of that job's\n\ + process group leader.\n\ + \n\ + Exit Status:\n\ + Returns success unless an invalid option is given or an error occurs.\n\ + If -x is used, returns the exit status of COMMAND."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* JOB_CONTROL */ +#if defined (JOB_CONTROL) +char * const disown_doc[] = { +#if defined (HELP_BUILTIN) +N_("Remove jobs from current shell.\n\ + \n\ + Removes each JOBSPEC argument from the table of active jobs. Without\n\ + any JOBSPECs, the shell uses its notion of the current job.\n\ + \n\ + Options:\n\ + -a remove all jobs if JOBSPEC is not supplied\n\ + -h mark each JOBSPEC so that SIGHUP is not sent to the job if the\n\ + shell receives a SIGHUP\n\ + -r remove only running jobs\n\ + \n\ + Exit Status:\n\ + Returns success unless an invalid option or JOBSPEC is given."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* JOB_CONTROL */ +char * const kill_doc[] = { +#if defined (HELP_BUILTIN) +N_("Send a signal to a job.\n\ + \n\ + Send the processes identified by PID or JOBSPEC the signal named by\n\ + SIGSPEC or SIGNUM. If neither SIGSPEC nor SIGNUM is present, then\n\ + SIGTERM is assumed.\n\ + \n\ + Options:\n\ + -s sig SIG is a signal name\n\ + -n sig SIG is a signal number\n\ + -l list the signal names; if arguments follow `-l' they are\n\ + assumed to be signal numbers for which names should be listed\n\ + \n\ + Kill is a shell builtin for two reasons: it allows job IDs to be used\n\ + instead of process IDs, and allows processes to be killed if the limit\n\ + on processes that you can create is reached.\n\ + \n\ + Exit Status:\n\ + Returns success unless an invalid option is given or an error occurs."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const let_doc[] = { +#if defined (HELP_BUILTIN) +N_("Evaluate arithmetic expressions.\n\ + \n\ + Evaluate each ARG as an arithmetic expression. Evaluation is done in\n\ + fixed-width integers with no check for overflow, though division by 0\n\ + is trapped and flagged as an error. The following list of operators is\n\ + grouped into levels of equal-precedence operators. The levels are listed\n\ + in order of decreasing precedence.\n\ + \n\ + id++, id-- variable post-increment, post-decrement\n\ + ++id, --id variable pre-increment, pre-decrement\n\ + -, + unary minus, plus\n\ + !, ~ logical and bitwise negation\n\ + ** exponentiation\n\ + *, /, % multiplication, division, remainder\n\ + +, - addition, subtraction\n\ + <<, >> left and right bitwise shifts\n\ + <=, >=, <, > comparison\n\ + ==, != equality, inequality\n\ + & bitwise AND\n\ + ^ bitwise XOR\n\ + | bitwise OR\n\ + && logical AND\n\ + || logical OR\n\ + expr ? expr : expr\n\ + conditional operator\n\ + =, *=, /=, %=,\n\ + +=, -=, <<=, >>=,\n\ + &=, ^=, |= assignment\n\ + \n\ + Shell variables are allowed as operands. The name of the variable\n\ + is replaced by its value (coerced to a fixed-width integer) within\n\ + an expression. The variable need not have its integer attribute\n\ + turned on to be used in an expression.\n\ + \n\ + Operators are evaluated in order of precedence. Sub-expressions in\n\ + parentheses are evaluated first and may override the precedence\n\ + rules above.\n\ + \n\ + Exit Status:\n\ + If the last ARG evaluates to 0, let returns 1; let returns 0 otherwise.."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const mapfile_doc[] = { +#if defined (HELP_BUILTIN) +N_("Read lines from the standard input into an indexed array variable.\n\ + \n\ + Read lines from the standard input into the indexed array variable ARRAY, or\n\ + from file descriptor FD if the -u option is supplied. The variable MAPFILE\n\ + is the default ARRAY.\n\ + \n\ + Options:\n\ + -n count Copy at most COUNT lines. If COUNT is 0, all lines are copied.\n\ + -O origin Begin assigning to ARRAY at index ORIGIN. The default index is 0.\n\ + -s count Discard the first COUNT lines read.\n\ + -t Remove a trailing newline from each line read.\n\ + -u fd Read lines from file descriptor FD instead of the standard input.\n\ + -C callback Evaluate CALLBACK each time QUANTUM lines are read.\n\ + -c quantum Specify the number of lines read between each call to CALLBACK.\n\ + \n\ + Arguments:\n\ + ARRAY Array variable name to use for file data.\n\ + \n\ + If -C is supplied without -c, the default quantum is 5000. When\n\ + CALLBACK is evaluated, it is supplied the index of the next array\n\ + element to be assigned as an additional argument.\n\ + \n\ + If not supplied with an explicit origin, mapfile will clear ARRAY before\n\ + assigning to it.\n\ + \n\ + Exit Status:\n\ + Returns success unless an invalid option is given or ARRAY is readonly or\n\ + not an indexed array."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const readarray_doc[] = { +#if defined (HELP_BUILTIN) +N_("Read lines from a file into an array variable.\n\ + \n\ + A synonym for `mapfile'."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const printf_doc[] = { +#if defined (HELP_BUILTIN) +N_("Formats and prints ARGUMENTS under control of the FORMAT.\n\ + \n\ + Options:\n\ + -v var assign the output to shell variable VAR rather than\n\ + display it on the standard output\n\ + \n\ + FORMAT is a character string which contains three types of objects: plain\n\ + characters, which are simply copied to standard output; character escape\n\ + sequences, which are converted and copied to the standard output; and\n\ + format specifications, each of which causes printing of the next successive\n\ + argument.\n\ + \n\ + In addition to the standard format specifications described in printf(1)\n\ + and printf(3), printf interprets:\n\ + \n\ + %b expand backslash escape sequences in the corresponding argument\n\ + %q quote the argument in a way that can be reused as shell input\n\ + \n\ + Exit Status:\n\ + Returns success unless an invalid option is given or a write or assignment\n\ + error occurs."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#if defined (PUSHD_AND_POPD) +char * const pushd_doc[] = { +#if defined (HELP_BUILTIN) +N_("Add directories to stack.\n\ + \n\ + Adds a directory to the top of the directory stack, or rotates\n\ + the stack, making the new top of the stack the current working\n\ + directory. With no arguments, exchanges the top two directories.\n\ + \n\ + Options:\n\ + -n Suppresses the normal change of directory when adding\n\ + directories to the stack, so only the stack is manipulated.\n\ + \n\ + Arguments:\n\ + +N Rotates the stack so that the Nth directory (counting\n\ + from the left of the list shown by `dirs', starting with\n\ + zero) is at the top.\n\ + \n\ + -N Rotates the stack so that the Nth directory (counting\n\ + from the right of the list shown by `dirs', starting with\n\ + zero) is at the top.\n\ + \n\ + dir Adds DIR to the directory stack at the top, making it the\n\ + new current working directory.\n\ + \n\ + The `dirs' builtin displays the directory stack.\n\ + \n\ + Exit Status:\n\ + Returns success unless an invalid argument is supplied or the directory\n\ + change fails."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* PUSHD_AND_POPD */ +#if defined (PUSHD_AND_POPD) +char * const popd_doc[] = { +#if defined (HELP_BUILTIN) +N_("Remove directories from stack.\n\ + \n\ + Removes entries from the directory stack. With no arguments, removes\n\ + the top directory from the stack, and changes to the new top directory.\n\ + \n\ + Options:\n\ + -n Suppresses the normal change of directory when removing\n\ + directories from the stack, so only the stack is manipulated.\n\ + \n\ + Arguments:\n\ + +N Removes the Nth entry counting from the left of the list\n\ + shown by `dirs', starting with zero. For example: `popd +0'\n\ + removes the first directory, `popd +1' the second.\n\ + \n\ + -N Removes the Nth entry counting from the right of the list\n\ + shown by `dirs', starting with zero. For example: `popd -0'\n\ + removes the last directory, `popd -1' the next to last.\n\ + \n\ + The `dirs' builtin displays the directory stack.\n\ + \n\ + Exit Status:\n\ + Returns success unless an invalid argument is supplied or the directory\n\ + change fails."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* PUSHD_AND_POPD */ +#if defined (PUSHD_AND_POPD) +char * const dirs_doc[] = { +#if defined (HELP_BUILTIN) +N_("Display directory stack.\n\ + \n\ + Display the list of currently remembered directories. Directories\n\ + find their way onto the list with the `pushd' command; you can get\n\ + back up through the list with the `popd' command.\n\ + \n\ + Options:\n\ + -c clear the directory stack by deleting all of the elements\n\ + -l do not print tilde-prefixed versions of directories relative\n\ + to your home directory\n\ + -p print the directory stack with one entry per line\n\ + -v print the directory stack with one entry per line prefixed\n\ + with its position in the stack\n\ + \n\ + Arguments:\n\ + +N Displays the Nth entry counting from the left of the list shown by\n\ + dirs when invoked without options, starting with zero.\n\ + \n\ + -N Displays the Nth entry counting from the right of the list shown by\n\ + dirs when invoked without options, starting with zero.\n\ + \n\ + Exit Status:\n\ + Returns success unless an invalid option is supplied or an error occurs."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* PUSHD_AND_POPD */ +char * const read_doc[] = { +#if defined (HELP_BUILTIN) +N_("Read a line from the standard input and split it into fields.\n\ + \n\ + Reads a single line from the standard input, or from file descriptor FD\n\ + if the -u option is supplied. The line is split into fields as with word\n\ + splitting, and the first word is assigned to the first NAME, the second\n\ + word to the second NAME, and so on, with any leftover words assigned to\n\ + the last NAME. Only the characters found in $IFS are recognized as word\n\ + delimiters.\n\ + \n\ + If no NAMEs are supplied, the line read is stored in the REPLY variable.\n\ + \n\ + Options:\n\ + -a array assign the words read to sequential indices of the array\n\ + variable ARRAY, starting at zero\n\ + -d delim continue until the first character of DELIM is read, rather\n\ + than newline\n\ + -e use Readline to obtain the line in an interactive shell\n\ + -i text Use TEXT as the initial text for Readline\n\ + -n nchars return after reading NCHARS characters rather than waiting\n\ + for a newline, but honor a delimiter if fewer than NCHARS\n\ + characters are read before the delimiter\n\ + -N nchars return only after reading exactly NCHARS characters, unless\n\ + EOF is encountered or read times out, ignoring any delimiter\n\ + -p prompt output the string PROMPT without a trailing newline before\n\ + attempting to read\n\ + -r do not allow backslashes to escape any characters\n\ + -s do not echo input coming from a terminal\n\ + -t timeout time out and return failure if a complete line of input is\n\ + not read withint TIMEOUT seconds. The value of the TMOUT\n\ + variable is the default timeout. TIMEOUT may be a\n\ + fractional number. If TIMEOUT is 0, read returns success only\n\ + if input is available on the specified file descriptor. The\n\ + exit status is greater than 128 if the timeout is exceeded\n\ + -u fd read from file descriptor FD instead of the standard input\n\ + \n\ + Exit Status:\n\ + The return code is zero, unless end-of-file is encountered, read times out,\n\ + or an invalid file descriptor is supplied as the argument to -u."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const for_doc[] = { +#if defined (HELP_BUILTIN) +N_("Execute commands for each member in a list.\n\ + \n\ + The `for' loop executes a sequence of commands for each member in a\n\ + list of items. If `in WORDS ...;' is not present, then `in \"$@\"' is\n\ + assumed. For each element in WORDS, NAME is set to that element, and\n\ + the COMMANDS are executed.\n\ + \n\ + Exit Status:\n\ + Returns the status of the last command executed."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const arith_for_doc[] = { +#if defined (HELP_BUILTIN) +N_("Arithmetic for loop.\n\ + \n\ + Equivalent to\n\ + (( EXP1 ))\n\ + while (( EXP2 )); do\n\ + COMMANDS\n\ + (( EXP3 ))\n\ + done\n\ + EXP1, EXP2, and EXP3 are arithmetic expressions. If any expression is\n\ + omitted, it behaves as if it evaluates to 1.\n\ + \n\ + Exit Status:\n\ + Returns the status of the last command executed."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const select_doc[] = { +#if defined (HELP_BUILTIN) +N_("Select words from a list and execute commands.\n\ + \n\ + The WORDS are expanded, generating a list of words. The\n\ + set of expanded words is printed on the standard error, each\n\ + preceded by a number. If `in WORDS' is not present, `in \"$@\"'\n\ + is assumed. The PS3 prompt is then displayed and a line read\n\ + from the standard input. If the line consists of the number\n\ + corresponding to one of the displayed words, then NAME is set\n\ + to that word. If the line is empty, WORDS and the prompt are\n\ + redisplayed. If EOF is read, the command completes. Any other\n\ + value read causes NAME to be set to null. The line read is saved\n\ + in the variable REPLY. COMMANDS are executed after each selection\n\ + until a break command is executed.\n\ + \n\ + Exit Status:\n\ + Returns the status of the last command executed."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const time_doc[] = { +#if defined (HELP_BUILTIN) +N_("Report time consumed by pipeline's execution.\n\ + \n\ + Execute PIPELINE and print a summary of the real time, user CPU time,\n\ + and system CPU time spent executing PIPELINE when it terminates.\n\ + \n\ + Options:\n\ + -p print the timing summary in the portable Posix format\n\ + \n\ + The value of the TIMEFORMAT variable is used as the output format.\n\ + \n\ + Exit Status:\n\ + The return status is the return status of PIPELINE."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const case_doc[] = { +#if defined (HELP_BUILTIN) +N_("Execute commands based on pattern matching.\n\ + \n\ + Selectively execute COMMANDS based upon WORD matching PATTERN. The\n\ + `|' is used to separate multiple patterns.\n\ + \n\ + Exit Status:\n\ + Returns the status of the last command executed."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const if_doc[] = { +#if defined (HELP_BUILTIN) +N_("Execute commands based on conditional.\n\ + \n\ + The `if COMMANDS' list is executed. If its exit status is zero, then the\n\ + `then COMMANDS' list is executed. Otherwise, each `elif COMMANDS' list is\n\ + executed in turn, and if its exit status is zero, the corresponding\n\ + `then COMMANDS' list is executed and the if command completes. Otherwise,\n\ + the `else COMMANDS' list is executed, if present. The exit status of the\n\ + entire construct is the exit status of the last command executed, or zero\n\ + if no condition tested true.\n\ + \n\ + Exit Status:\n\ + Returns the status of the last command executed."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const while_doc[] = { +#if defined (HELP_BUILTIN) +N_("Execute commands as long as a test succeeds.\n\ + \n\ + Expand and execute COMMANDS as long as the final command in the\n\ + `while' COMMANDS has an exit status of zero.\n\ + \n\ + Exit Status:\n\ + Returns the status of the last command executed."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const until_doc[] = { +#if defined (HELP_BUILTIN) +N_("Execute commands as long as a test does not succeed.\n\ + \n\ + Expand and execute COMMANDS as long as the final command in the\n\ + `until' COMMANDS has an exit status which is not zero.\n\ + \n\ + Exit Status:\n\ + Returns the status of the last command executed."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const coproc_doc[] = { +#if defined (HELP_BUILTIN) +N_("Create a coprocess named NAME.\n\ + \n\ + Execute COMMAND asynchronously, with the standard output and standard\n\ + input of the command connected via a pipe to file descriptors assigned\n\ + to indices 0 and 1 of an array variable NAME in the executing shell.\n\ + The default NAME is \"COPROC\".\n\ + \n\ + Exit Status:\n\ + Returns the exit status of COMMAND."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const function_doc[] = { +#if defined (HELP_BUILTIN) +N_("Define shell function.\n\ + \n\ + Create a shell function named NAME. When invoked as a simple command,\n\ + NAME runs COMMANDs in the calling shell's context. When NAME is invoked,\n\ + the arguments are passed to the function as $1...$n, and the function's\n\ + name is in $FUNCNAME.\n\ + \n\ + Exit Status:\n\ + Returns success unless NAME is readonly."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const grouping_braces_doc[] = { +#if defined (HELP_BUILTIN) +N_("Group commands as a unit.\n\ + \n\ + Run a set of commands in a group. This is one way to redirect an\n\ + entire set of commands.\n\ + \n\ + Exit Status:\n\ + Returns the status of the last command executed."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const fg_percent_doc[] = { +#if defined (HELP_BUILTIN) +N_("Resume job in foreground.\n\ + \n\ + Equivalent to the JOB_SPEC argument to the `fg' command. Resume a\n\ + stopped or background job. JOB_SPEC can specify either a job name\n\ + or a job number. Following JOB_SPEC with a `&' places the job in\n\ + the background, as if the job specification had been supplied as an\n\ + argument to `bg'.\n\ + \n\ + Exit Status:\n\ + Returns the status of the resumed job."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const arith_doc[] = { +#if defined (HELP_BUILTIN) +N_("Evaluate arithmetic expression.\n\ + \n\ + The EXPRESSION is evaluated according to the rules for arithmetic\n\ + evaluation. Equivalent to \"let EXPRESSION\".\n\ + \n\ + Exit Status:\n\ + Returns 1 if EXPRESSION evaluates to 0; returns 0 otherwise."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const conditional_doc[] = { +#if defined (HELP_BUILTIN) +N_("Execute conditional command.\n\ + \n\ + Returns a status of 0 or 1 depending on the evaluation of the conditional\n\ + expression EXPRESSION. Expressions are composed of the same primaries used\n\ + by the `test' builtin, and may be combined using the following operators:\n\ + \n\ + ( EXPRESSION ) Returns the value of EXPRESSION\n\ + ! EXPRESSION True if EXPRESSION is false; else false\n\ + EXPR1 && EXPR2 True if both EXPR1 and EXPR2 are true; else false\n\ + EXPR1 || EXPR2 True if either EXPR1 or EXPR2 is true; else false\n\ + \n\ + When the `==' and `!=' operators are used, the string to the right of\n\ + the operator is used as a pattern and pattern matching is performed.\n\ + When the `=~' operator is used, the string to the right of the operator\n\ + is matched as a regular expression.\n\ + \n\ + The && and || operators do not evaluate EXPR2 if EXPR1 is sufficient to\n\ + determine the expression's value.\n\ + \n\ + Exit Status:\n\ + 0 or 1 depending on value of EXPRESSION."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const variable_help_doc[] = { +#if defined (HELP_BUILTIN) +N_("Common shell variable names and usage.\n\ + \n\ + BASH_VERSION Version information for this Bash.\n\ + CDPATH A colon-separated list of directories to search\n\ + for directories given as arguments to `cd'.\n\ + GLOBIGNORE A colon-separated list of patterns describing filenames to\n\ + be ignored by pathname expansion.\n\ + HISTFILE The name of the file where your command history is stored.\n\ + HISTFILESIZE The maximum number of lines this file can contain.\n\ + HISTSIZE The maximum number of history lines that a running\n\ + shell can access.\n\ + HOME The complete pathname to your login directory.\n\ + HOSTNAME The name of the current host.\n\ + HOSTTYPE The type of CPU this version of Bash is running under.\n\ + IGNOREEOF Controls the action of the shell on receipt of an EOF\n\ + character as the sole input. If set, then the value\n\ + of it is the number of EOF characters that can be seen\n\ + in a row on an empty line before the shell will exit\n\ + (default 10). When unset, EOF signifies the end of input.\n\ + MACHTYPE A string describing the current system Bash is running on.\n\ + MAILCHECK How often, in seconds, Bash checks for new mail.\n\ + MAILPATH A colon-separated list of filenames which Bash checks\n\ + for new mail.\n\ + OSTYPE The version of Unix this version of Bash is running on.\n\ + PATH A colon-separated list of directories to search when\n\ + looking for commands.\n\ + PROMPT_COMMAND A command to be executed before the printing of each\n\ + primary prompt.\n\ + PS1 The primary prompt string.\n\ + PS2 The secondary prompt string.\n\ + PWD The full pathname of the current directory.\n\ + SHELLOPTS A colon-separated list of enabled shell options.\n\ + TERM The name of the current terminal type.\n\ + TIMEFORMAT The output format for timing statistics displayed by the\n\ + `time' reserved word.\n\ + auto_resume Non-null means a command word appearing on a line by\n\ + itself is first looked for in the list of currently\n\ + stopped jobs. If found there, that job is foregrounded.\n\ + A value of `exact' means that the command word must\n\ + exactly match a command in the list of stopped jobs. A\n\ + value of `substring' means that the command word must\n\ + match a substring of the job. Any other value means that\n\ + the command must be a prefix of a stopped job.\n\ + histchars Characters controlling history expansion and quick\n\ + substitution. The first character is the history\n\ + substitution character, usually `!'. The second is\n\ + the `quick substitution' character, usually `^'. The\n\ + third is the `history comment' character, usually `#'.\n\ + HISTIGNORE A colon-separated list of patterns used to decide which\n\ + commands should be saved on the history list.\n\ +"), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const return_doc[] = { +#if defined (HELP_BUILTIN) +N_("Return from a shell function.\n\ + \n\ + Causes a function or sourced script to exit with the return value\n\ + specified by N. If N is omitted, the return status is that of the\n\ + last command executed within the function or script.\n\ + \n\ + Exit Status:\n\ + Returns N, or failure if the shell is not executing a function or script."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const export_doc[] = { +#if defined (HELP_BUILTIN) +N_("Set export attribute for shell variables.\n\ + \n\ + Marks each NAME for automatic export to the environment of subsequently\n\ + executed commands. If VALUE is supplied, assign VALUE before exporting.\n\ + \n\ + Options:\n\ + -f refer to shell functions\n\ + -n remove the export property from each NAME\n\ + -p display a list of all exported variables and functions\n\ + \n\ + An argument of `--' disables further option processing.\n\ + \n\ + Exit Status:\n\ + Returns success unless an invalid option is given or NAME is invalid."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const readonly_doc[] = { +#if defined (HELP_BUILTIN) +N_("Mark shell variables as unchangeable.\n\ + \n\ + Mark each NAME as read-only; the values of these NAMEs may not be\n\ + changed by subsequent assignment. If VALUE is supplied, assign VALUE\n\ + before marking as read-only.\n\ + \n\ + Options:\n\ + -a refer to indexed array variables\n\ + -A refer to associative array variables\n\ + -f refer to shell functions\n\ + -p display a list of all readonly variables and functions\n\ + \n\ + An argument of `--' disables further option processing.\n\ + \n\ + Exit Status:\n\ + Returns success unless an invalid option is given or NAME is invalid."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const set_doc[] = { +#if defined (HELP_BUILTIN) +N_("Set or unset values of shell options and positional parameters.\n\ + \n\ + Change the value of shell attributes and positional parameters, or\n\ + display the names and values of shell variables.\n\ + \n\ + Options:\n\ + -a Mark variables which are modified or created for export.\n\ + -b Notify of job termination immediately.\n\ + -e Exit immediately if a command exits with a non-zero status.\n\ + -f Disable file name generation (globbing).\n\ + -h Remember the location of commands as they are looked up.\n\ + -k All assignment arguments are placed in the environment for a\n\ + command, not just those that precede the command name.\n\ + -m Job control is enabled.\n\ + -n Read commands but do not execute them.\n\ + -o option-name\n\ + Set the variable corresponding to option-name:\n\ + allexport same as -a\n\ + braceexpand same as -B\n\ + emacs use an emacs-style line editing interface\n\ + errexit same as -e\n\ + errtrace same as -E\n\ + functrace same as -T\n\ + hashall same as -h\n\ + histexpand same as -H\n\ + history enable command history\n\ + ignoreeof the shell will not exit upon reading EOF\n\ + interactive-comments\n\ + allow comments to appear in interactive commands\n\ + keyword same as -k\n\ + monitor same as -m\n\ + noclobber same as -C\n\ + noexec same as -n\n\ + noglob same as -f\n\ + nolog currently accepted but ignored\n\ + notify same as -b\n\ + nounset same as -u\n\ + onecmd same as -t\n\ + physical same as -P\n\ + pipefail the return value of a pipeline is the status of\n\ + the last command to exit with a non-zero status,\n\ + or zero if no command exited with a non-zero status\n\ + posix change the behavior of bash where the default\n\ + operation differs from the Posix standard to\n\ + match the standard\n\ + privileged same as -p\n\ + verbose same as -v\n\ + vi use a vi-style line editing interface\n\ + xtrace same as -x\n\ + -p Turned on whenever the real and effective user ids do not match.\n\ + Disables processing of the $ENV file and importing of shell\n\ + functions. Turning this option off causes the effective uid and\n\ + gid to be set to the real uid and gid.\n\ + -t Exit after reading and executing one command.\n\ + -u Treat unset variables as an error when substituting.\n\ + -v Print shell input lines as they are read.\n\ + -x Print commands and their arguments as they are executed.\n\ + -B the shell will perform brace expansion\n\ + -C If set, disallow existing regular files to be overwritten\n\ + by redirection of output.\n\ + -E If set, the ERR trap is inherited by shell functions.\n\ + -H Enable ! style history substitution. This flag is on\n\ + by default when the shell is interactive.\n\ + -P If set, do not follow symbolic links when executing commands\n\ + such as cd which change the current directory.\n\ + -T If set, the DEBUG trap is inherited by shell functions.\n\ + - Assign any remaining arguments to the positional parameters.\n\ + The -x and -v options are turned off.\n\ + \n\ + Using + rather than - causes these flags to be turned off. The\n\ + flags can also be used upon invocation of the shell. The current\n\ + set of flags may be found in $-. The remaining n ARGs are positional\n\ + parameters and are assigned, in order, to $1, $2, .. $n. If no\n\ + ARGs are given, all shell variables are printed.\n\ + \n\ + Exit Status:\n\ + Returns success unless an invalid option is given."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const unset_doc[] = { +#if defined (HELP_BUILTIN) +N_("Unset values and attributes of shell variables and functions.\n\ + \n\ + For each NAME, remove the corresponding variable or function.\n\ + \n\ + Options:\n\ + -f treat each NAME as a shell function\n\ + -v treat each NAME as a shell variable\n\ + \n\ + Without options, unset first tries to unset a variable, and if that fails,\n\ + tries to unset a function.\n\ + \n\ + Some variables cannot be unset; also see `readonly'.\n\ + \n\ + Exit Status:\n\ + Returns success unless an invalid option is given or a NAME is read-only."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const shift_doc[] = { +#if defined (HELP_BUILTIN) +N_("Shift positional parameters.\n\ + \n\ + Rename the positional parameters $N+1,$N+2 ... to $1,$2 ... If N is\n\ + not given, it is assumed to be 1.\n\ + \n\ + Exit Status:\n\ + Returns success unless N is negative or greater than $#."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const shopt_doc[] = { +#if defined (HELP_BUILTIN) +N_("Set and unset shell options.\n\ + \n\ + Change the setting of each shell option OPTNAME. Without any option\n\ + arguments, list all shell options with an indication of whether or not each\n\ + is set.\n\ + \n\ + Options:\n\ + -o restrict OPTNAMEs to those defined for use with `set -o'\n\ + -p print each shell option with an indication of its status\n\ + -q suppress output\n\ + -s enable (set) each OPTNAME\n\ + -u disable (unset) each OPTNAME\n\ + \n\ + Exit Status:\n\ + Returns success if OPTNAME is enabled; fails if an invalid option is\n\ + given or OPTNAME is disabled."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const source_doc[] = { +#if defined (HELP_BUILTIN) +N_("Execute commands from a file in the current shell.\n\ + \n\ + Read and execute commands from FILENAME in the current shell. The\n\ + entries in $PATH are used to find the directory containing FILENAME.\n\ + If any ARGUMENTS are supplied, they become the positional parameters\n\ + when FILENAME is executed.\n\ + \n\ + Exit Status:\n\ + Returns the status of the last command executed in FILENAME; fails if\n\ + FILENAME cannot be read."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const dot_doc[] = { +#if defined (HELP_BUILTIN) +N_("Execute commands from a file in the current shell.\n\ + \n\ + Read and execute commands from FILENAME in the current shell. The\n\ + entries in $PATH are used to find the directory containing FILENAME.\n\ + If any ARGUMENTS are supplied, they become the positional parameters\n\ + when FILENAME is executed.\n\ + \n\ + Exit Status:\n\ + Returns the status of the last command executed in FILENAME; fails if\n\ + FILENAME cannot be read."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#if defined (JOB_CONTROL) +char * const suspend_doc[] = { +#if defined (HELP_BUILTIN) +N_("Suspend shell execution.\n\ + \n\ + Suspend the execution of this shell until it receives a SIGCONT signal.\n\ + Unless forced, login shells cannot be suspended.\n\ + \n\ + Options:\n\ + -f force the suspend, even if the shell is a login shell\n\ + \n\ + Exit Status:\n\ + Returns success unless job control is not enabled or an error occurs."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* JOB_CONTROL */ +char * const test_doc[] = { +#if defined (HELP_BUILTIN) +N_("Evaluate conditional expression.\n\ + \n\ + Exits with a status of 0 (true) or 1 (false) depending on\n\ + the evaluation of EXPR. Expressions may be unary or binary. Unary\n\ + expressions are often used to examine the status of a file. There\n\ + are string operators as well, and numeric comparison operators.\n\ + \n\ + File operators:\n\ + \n\ + -a FILE True if file exists.\n\ + -b FILE True if file is block special.\n\ + -c FILE True if file is character special.\n\ + -d FILE True if file is a directory.\n\ + -e FILE True if file exists.\n\ + -f FILE True if file exists and is a regular file.\n\ + -g FILE True if file is set-group-id.\n\ + -h FILE True if file is a symbolic link.\n\ + -L FILE True if file is a symbolic link.\n\ + -k FILE True if file has its `sticky' bit set.\n\ + -p FILE True if file is a named pipe.\n\ + -r FILE True if file is readable by you.\n\ + -s FILE True if file exists and is not empty.\n\ + -S FILE True if file is a socket.\n\ + -t FD True if FD is opened on a terminal.\n\ + -u FILE True if the file is set-user-id.\n\ + -w FILE True if the file is writable by you.\n\ + -x FILE True if the file is executable by you.\n\ + -O FILE True if the file is effectively owned by you.\n\ + -G FILE True if the file is effectively owned by your group.\n\ + -N FILE True if the file has been modified since it was last read.\n\ + \n\ + FILE1 -nt FILE2 True if file1 is newer than file2 (according to\n\ + modification date).\n\ + \n\ + FILE1 -ot FILE2 True if file1 is older than file2.\n\ + \n\ + FILE1 -ef FILE2 True if file1 is a hard link to file2.\n\ + \n\ + String operators:\n\ + \n\ + -z STRING True if string is empty.\n\ + \n\ + -n STRING\n\ + STRING True if string is not empty.\n\ + \n\ + STRING1 = STRING2\n\ + True if the strings are equal.\n\ + STRING1 != STRING2\n\ + True if the strings are not equal.\n\ + STRING1 < STRING2\n\ + True if STRING1 sorts before STRING2 lexicographically.\n\ + STRING1 > STRING2\n\ + True if STRING1 sorts after STRING2 lexicographically.\n\ + \n\ + Other operators:\n\ + \n\ + -o OPTION True if the shell option OPTION is enabled.\n\ + ! EXPR True if expr is false.\n\ + EXPR1 -a EXPR2 True if both expr1 AND expr2 are true.\n\ + EXPR1 -o EXPR2 True if either expr1 OR expr2 is true.\n\ + \n\ + arg1 OP arg2 Arithmetic tests. OP is one of -eq, -ne,\n\ + -lt, -le, -gt, or -ge.\n\ + \n\ + Arithmetic binary operators return true if ARG1 is equal, not-equal,\n\ + less-than, less-than-or-equal, greater-than, or greater-than-or-equal\n\ + than ARG2.\n\ + \n\ + Exit Status:\n\ + Returns success if EXPR evaluates to true; fails if EXPR evaluates to\n\ + false or an invalid argument is given."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const test_bracket_doc[] = { +#if defined (HELP_BUILTIN) +N_("Evaluate conditional expression.\n\ + \n\ + This is a synonym for the \"test\" builtin, but the last argument must\n\ + be a literal `]', to match the opening `['."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const times_doc[] = { +#if defined (HELP_BUILTIN) +N_("Display process times.\n\ + \n\ + Prints the accumulated user and system times for the shell and all of its\n\ + child processes.\n\ + \n\ + Exit Status:\n\ + Always succeeds."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const trap_doc[] = { +#if defined (HELP_BUILTIN) +N_("Trap signals and other events.\n\ + \n\ + Defines and activates handlers to be run when the shell receives signals\n\ + or other conditions.\n\ + \n\ + ARG is a command to be read and executed when the shell receives the\n\ + signal(s) SIGNAL_SPEC. If ARG is absent (and a single SIGNAL_SPEC\n\ + is supplied) or `-', each specified signal is reset to its original\n\ + value. If ARG is the null string each SIGNAL_SPEC is ignored by the\n\ + shell and by the commands it invokes.\n\ + \n\ + If a SIGNAL_SPEC is EXIT (0) ARG is executed on exit from the shell. If\n\ + a SIGNAL_SPEC is DEBUG, ARG is executed before every simple command.\n\ + \n\ + If no arguments are supplied, trap prints the list of commands associated\n\ + with each signal.\n\ + \n\ + Options:\n\ + -l print a list of signal names and their corresponding numbers\n\ + -p display the trap commands associated with each SIGNAL_SPEC\n\ + \n\ + Each SIGNAL_SPEC is either a signal name in <signal.h> or a signal number.\n\ + Signal names are case insensitive and the SIG prefix is optional. A\n\ + signal may be sent to the shell with \"kill -signal $$\".\n\ + \n\ + Exit Status:\n\ + Returns success unless a SIGSPEC is invalid or an invalid option is given."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +char * const type_doc[] = { +#if defined (HELP_BUILTIN) +N_("Display information about command type.\n\ + \n\ + For each NAME, indicate how it would be interpreted if used as a\n\ + command name.\n\ + \n\ + Options:\n\ + -a display all locations containing an executable named NAME;\n\ + includes aliases, builtins, and functions, if and only if\n\ + the `-p' option is not also used\n\ + -f suppress shell function lookup\n\ + -P force a PATH search for each NAME, even if it is an alias,\n\ + builtin, or function, and returns the name of the disk file\n\ + that would be executed\n\ + -p returns either the name of the disk file that would be executed,\n\ + or nothing if `type -t NAME' would not return `file'.\n\ + -t output a single word which is one of `alias', `keyword',\n\ + `function', `builtin', `file' or `', if NAME is an alias, shell\n\ + reserved word, shell function, shell builtin, disk file, or not\n\ + found, respectively\n\ + \n\ + Arguments:\n\ + NAME Command name to be interpreted.\n\ + \n\ + Exit Status:\n\ + Returns success if all of the NAMEs are found; fails if any are not found."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#if !defined (_MINIX) +char * const ulimit_doc[] = { +#if defined (HELP_BUILTIN) +N_("Modify shell resource limits.\n\ + \n\ + Provides control over the resources available to the shell and processes\n\ + it creates, on systems that allow such control.\n\ + \n\ + Options:\n\ + -S use the `soft' resource limit\n\ + -H use the `hard' resource limit\n\ + -a all current limits are reported\n\ + -b the socket buffer size\n\ + -c the maximum size of core files created\n\ + -d the maximum size of a process's data segment\n\ + -e the maximum scheduling priority (`nice')\n\ + -f the maximum size of files written by the shell and its children\n\ + -i the maximum number of pending signals\n\ + -l the maximum size a process may lock into memory\n\ + -m the maximum resident set size\n\ + -n the maximum number of open file descriptors\n\ + -p the pipe buffer size\n\ + -q the maximum number of bytes in POSIX message queues\n\ + -r the maximum real-time scheduling priority\n\ + -s the maximum stack size\n\ + -t the maximum amount of cpu time in seconds\n\ + -u the maximum number of user processes\n\ + -v the size of virtual memory\n\ + -x the maximum number of file locks\n\ + \n\ + If LIMIT is given, it is the new value of the specified resource; the\n\ + special LIMIT values `soft', `hard', and `unlimited' stand for the\n\ + current soft limit, the current hard limit, and no limit, respectively.\n\ + Otherwise, the current value of the specified resource is printed. If\n\ + no option is given, then -f is assumed.\n\ + \n\ + Values are in 1024-byte increments, except for -t, which is in seconds,\n\ + -p, which is in increments of 512 bytes, and -u, which is an unscaled\n\ + number of processes.\n\ + \n\ + Exit Status:\n\ + Returns success unless an invalid option is supplied or an error occurs."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* !_MINIX */ +char * const umask_doc[] = { +#if defined (HELP_BUILTIN) +N_("Display or set file mode mask.\n\ + \n\ + Sets the user file-creation mask to MODE. If MODE is omitted, prints\n\ + the current value of the mask.\n\ + \n\ + If MODE begins with a digit, it is interpreted as an octal number;\n\ + otherwise it is a symbolic mode string like that accepted by chmod(1).\n\ + \n\ + Options:\n\ + -p if MODE is omitted, output in a form that may be reused as input\n\ + -S makes the output symbolic; otherwise an octal number is output\n\ + \n\ + Exit Status:\n\ + Returns success unless MODE is invalid or an invalid option is given."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#if defined (JOB_CONTROL) +char * const wait_doc[] = { +#if defined (HELP_BUILTIN) +N_("Wait for job completion and return exit status.\n\ + \n\ + Waits for the process identified by ID, which may be a process ID or a\n\ + job specification, and reports its termination status. If ID is not\n\ + given, waits for all currently active child processes, and the return\n\ + status is zero. If ID is a a job specification, waits for all processes\n\ + in the job's pipeline.\n\ + \n\ + Exit Status:\n\ + Returns the status of ID; fails if ID is invalid or an invalid option is\n\ + given."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* JOB_CONTROL */ +#if !defined (JOB_CONTROL) +char * const wait_doc[] = { +#if defined (HELP_BUILTIN) +N_("Wait for process completion and return exit status.\n\ + \n\ + Waits for the specified process and reports its termination status. If\n\ + PID is not given, all currently active child processes are waited for,\n\ + and the return code is zero. PID must be a process ID.\n\ + \n\ + Exit Status:\n\ + Returns the status of ID; fails if ID is invalid or an invalid option is\n\ + given."), +#endif /* HELP_BUILTIN */ + (char *)NULL +}; +#endif /* !JOB_CONTROL */ diff --git a/builtins/caller.c b/builtins/caller.c new file mode 100644 index 0000000..d40438c --- /dev/null +++ b/builtins/caller.c @@ -0,0 +1,118 @@ +/* caller.c, created from caller.def. */ +#line 22 "./caller.def" + +#line 40 "./caller.def" + +#include <config.h> +#include <stdio.h> +#include "chartypes.h" +#include "bashtypes.h" + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include <errno.h> + +#include "../bashintl.h" + +#include "../shell.h" +#include "common.h" +#include "builtext.h" +#include "bashgetopt.h" + +#ifdef LOADABLE_BUILTIN +# include "builtins.h" +#endif + +#if !defined (errno) +extern int errno; +#endif /* !errno */ + +int +caller_builtin (list) + WORD_LIST *list; +{ +#if !defined (ARRAY_VARS) + printf ("1 NULL\n"); + return (EXECUTION_FAILURE); +#else + SHELL_VAR *funcname_v, *bash_source_v, *bash_lineno_v; + ARRAY *funcname_a, *bash_source_a, *bash_lineno_a; + char *funcname_s, *source_s, *lineno_s; + intmax_t num; + + GET_ARRAY_FROM_VAR ("FUNCNAME", funcname_v, funcname_a); + GET_ARRAY_FROM_VAR ("BASH_SOURCE", bash_source_v, bash_source_a); + GET_ARRAY_FROM_VAR ("BASH_LINENO", bash_lineno_v, bash_lineno_a); + + if (bash_lineno_a == 0 || array_empty (bash_lineno_a)) + return (EXECUTION_FAILURE); + + if (bash_source_a == 0 || array_empty (bash_source_a)) + return (EXECUTION_FAILURE); + + if (no_options (list)) + return (EX_USAGE); + list = loptend; /* skip over possible `--' */ + + /* If there is no argument list, then give short form: line filename. */ + if (list == 0) + { + lineno_s = array_reference (bash_lineno_a, 0); + source_s = array_reference (bash_source_a, 1); + printf("%s %s\n", lineno_s ? lineno_s : "NULL", source_s ? source_s : "NULL"); + return (EXECUTION_SUCCESS); + } + + if (funcname_a == 0 || array_empty (funcname_a)) + return (EXECUTION_FAILURE); + + if (legal_number (list->word->word, &num)) + { + lineno_s = array_reference (bash_lineno_a, num); + source_s = array_reference (bash_source_a, num+1); + funcname_s = array_reference (funcname_a, num+1); + + if (lineno_s == NULL|| source_s == NULL || funcname_s == NULL) + return (EXECUTION_FAILURE); + + printf("%s %s %s\n", lineno_s, funcname_s, source_s); + } + else + { + sh_invalidnum (list->word->word); + builtin_usage (); + return (EXECUTION_FAILURE); + } + + return (EXECUTION_SUCCESS); +#endif +} + +#ifdef LOADABLE_BUILTIN +static char *caller_doc[] = { +N_("Returns the context of the current subroutine call.\n\ + \n\ + Without EXPR, returns "$line $filename". With EXPR, returns\n\ + "$line $subroutine $filename"; this extra information can be used to\n\ + provide a stack trace.\n\ + \n\ + The value of EXPR indicates how many call frames to go back before the\n\ + current one; the top frame is frame 0."), + (char *)NULL +}; + +struct builtin caller_struct = { + "caller", + caller_builtin, + BUILTIN_ENABLED, + caller_doc, + "caller [EXPR]", + 0 +}; + +#endif /* LOADABLE_BUILTIN */ diff --git a/builtins/cd.c b/builtins/cd.c new file mode 100644 index 0000000..85be7d1 --- /dev/null +++ b/builtins/cd.c @@ -0,0 +1,453 @@ +/* cd.c, created from cd.def. */ +#line 22 "./cd.def" +#include <config.h> + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include "../bashtypes.h" +#include "posixdir.h" +#include "posixstat.h" +#ifndef _MINIX +#include <sys/param.h> +#endif + +#include <stdio.h> + +#include "../bashansi.h" +#include "../bashintl.h" + +#include <errno.h> +#include <tilde/tilde.h> + +#include "../shell.h" +#include "../flags.h" +#include "maxpath.h" +#include "common.h" +#include "bashgetopt.h" + +#if !defined (errno) +extern int errno; +#endif /* !errno */ + +extern int posixly_correct; +extern int array_needs_making; +extern const char * const bash_getcwd_errstr; + +static int bindpwd __P((int)); +static void setpwd __P((char *)); +static char *resetpwd __P((char *)); +static int change_to_directory __P((char *, int)); + +/* Change this to 1 to get cd spelling correction by default. */ +int cdspelling = 0; + +int cdable_vars; + +#line 97 "./cd.def" + +/* Just set $PWD, don't change OLDPWD. Used by `pwd -P' in posix mode. */ +static void +setpwd (dirname) + char *dirname; +{ + int old_anm; + SHELL_VAR *tvar; + + old_anm = array_needs_making; + tvar = bind_variable ("PWD", dirname ? dirname : "", 0); + if (old_anm == 0 && array_needs_making && exported_p (tvar)) + { + update_export_env_inplace ("PWD=", 4, dirname ? dirname : ""); + array_needs_making = 0; + } +} + +static int +bindpwd (no_symlinks) + int no_symlinks; +{ + char *dirname, *pwdvar; + int old_anm, r; + SHELL_VAR *tvar; + + r = sh_chkwrite (EXECUTION_SUCCESS); + +#define tcwd the_current_working_directory + dirname = tcwd ? (no_symlinks ? sh_physpath (tcwd, 0) : tcwd) + : get_working_directory ("cd"); +#undef tcwd + + old_anm = array_needs_making; + pwdvar = get_string_value ("PWD"); + + tvar = bind_variable ("OLDPWD", pwdvar, 0); + if (old_anm == 0 && array_needs_making && exported_p (tvar)) + { + update_export_env_inplace ("OLDPWD=", 7, pwdvar); + array_needs_making = 0; + } + + setpwd (dirname); + + if (dirname && dirname != the_current_working_directory) + free (dirname); + + return (r); +} + +/* Call get_working_directory to reset the value of + the_current_working_directory () */ +static char * +resetpwd (caller) + char *caller; +{ + char *tdir; + + FREE (the_current_working_directory); + the_current_working_directory = (char *)NULL; + tdir = get_working_directory (caller); + return (tdir); +} + +#define LCD_DOVARS 0x001 +#define LCD_DOSPELL 0x002 +#define LCD_PRINTPATH 0x004 +#define LCD_FREEDIRNAME 0x010 + +/* This builtin is ultimately the way that all user-visible commands should + change the current working directory. It is called by cd_to_string (), + so the programming interface is simple, and it handles errors and + restrictions properly. */ +int +cd_builtin (list) + WORD_LIST *list; +{ + char *dirname, *cdpath, *path, *temp; + int path_index, no_symlinks, opt, lflag; + +#if defined (RESTRICTED_SHELL) + if (restricted) + { + sh_restricted ((char *)NULL); + return (EXECUTION_FAILURE); + } +#endif /* RESTRICTED_SHELL */ + + no_symlinks = no_symbolic_links; + reset_internal_getopt (); + while ((opt = internal_getopt (list, "LP")) != -1) + { + switch (opt) + { + case 'P': + no_symlinks = 1; + break; + case 'L': + no_symlinks = 0; + break; + default: + builtin_usage (); + return (EXECUTION_FAILURE); + } + } + list = loptend; + + lflag = (cdable_vars ? LCD_DOVARS : 0) | + ((interactive && cdspelling) ? LCD_DOSPELL : 0); + + if (list == 0) + { + /* `cd' without arguments is equivalent to `cd $HOME' */ + dirname = get_string_value ("HOME"); + + if (dirname == 0) + { + builtin_error (_("HOME not set")); + return (EXECUTION_FAILURE); + } + lflag = 0; + } + else if (list->word->word[0] == '-' && list->word->word[1] == '\0') + { + /* This is `cd -', equivalent to `cd $OLDPWD' */ + dirname = get_string_value ("OLDPWD"); + + if (dirname == 0) + { + builtin_error (_("OLDPWD not set")); + return (EXECUTION_FAILURE); + } +#if 0 + lflag = interactive ? LCD_PRINTPATH : 0; +#else + lflag = LCD_PRINTPATH; /* According to SUSv3 */ +#endif + } + else if (absolute_pathname (list->word->word)) + dirname = list->word->word; + else if (privileged_mode == 0 && (cdpath = get_string_value ("CDPATH"))) + { + dirname = list->word->word; + + /* Find directory in $CDPATH. */ + path_index = 0; + while (path = extract_colon_unit (cdpath, &path_index)) + { + /* OPT is 1 if the path element is non-empty */ + opt = path[0] != '\0'; + temp = sh_makepath (path, dirname, MP_DOTILDE); + free (path); + + if (change_to_directory (temp, no_symlinks)) + { + /* POSIX.2 says that if a nonempty directory from CDPATH + is used to find the directory to change to, the new + directory name is echoed to stdout, whether or not + the shell is interactive. */ + if (opt && (path = no_symlinks ? temp : the_current_working_directory)) + printf ("%s\n", path); + + free (temp); +#if 0 + /* Posix.2 says that after using CDPATH, the resultant + value of $PWD will not contain `.' or `..'. */ + return (bindpwd (posixly_correct || no_symlinks)); +#else + return (bindpwd (no_symlinks)); +#endif + } + else + free (temp); + } + + /* POSIX.2 says that if `.' does not appear in $CDPATH, we don't + try the current directory, so we just punt now with an error + message if POSIXLY_CORRECT is non-zero. The check for cdpath[0] + is so we don't mistakenly treat a CDPATH value of "" as not + specifying the current directory. */ + if (posixly_correct && cdpath[0]) + { + builtin_error ("%s: %s", dirname, strerror (ENOENT)); + return (EXECUTION_FAILURE); + } + } + else + dirname = list->word->word; + + /* When we get here, DIRNAME is the directory to change to. If we + chdir successfully, just return. */ + if (change_to_directory (dirname, no_symlinks)) + { + if (lflag & LCD_PRINTPATH) + printf ("%s\n", dirname); + return (bindpwd (no_symlinks)); + } + + /* If the user requests it, then perhaps this is the name of + a shell variable, whose value contains the directory to + change to. */ + if (lflag & LCD_DOVARS) + { + temp = get_string_value (dirname); + if (temp && change_to_directory (temp, no_symlinks)) + { + printf ("%s\n", temp); + return (bindpwd (no_symlinks)); + } + } + + /* If the user requests it, try to find a directory name similar in + spelling to the one requested, in case the user made a simple + typo. This is similar to the UNIX 8th and 9th Edition shells. */ + if (lflag & LCD_DOSPELL) + { + temp = dirspell (dirname); + if (temp && change_to_directory (temp, no_symlinks)) + { + printf ("%s\n", temp); + return (bindpwd (no_symlinks)); + } + else + FREE (temp); + } + + builtin_error ("%s: %s", dirname, strerror (errno)); + return (EXECUTION_FAILURE); +} + +#line 344 "./cd.def" + +/* Non-zero means that pwd always prints the physical directory, without + symbolic links. */ +static int verbatim_pwd; + +/* Print the name of the current working directory. */ +int +pwd_builtin (list) + WORD_LIST *list; +{ + char *directory; + int opt, pflag; + + verbatim_pwd = no_symbolic_links; + pflag = 0; + reset_internal_getopt (); + while ((opt = internal_getopt (list, "LP")) != -1) + { + switch (opt) + { + case 'P': + verbatim_pwd = pflag = 1; + break; + case 'L': + verbatim_pwd = 0; + break; + default: + builtin_usage (); + return (EXECUTION_FAILURE); + } + } + list = loptend; + +#define tcwd the_current_working_directory + + directory = tcwd ? (verbatim_pwd ? sh_physpath (tcwd, 0) : tcwd) + : get_working_directory ("pwd"); + + /* Try again using getcwd() if canonicalization fails (for instance, if + the file system has changed state underneath bash). */ + if ((tcwd && directory == 0) || + (posixly_correct && same_file (".", tcwd, (struct stat *)0, (struct stat *)0) == 0)) + directory = resetpwd ("pwd"); + +#undef tcwd + + if (directory) + { + printf ("%s\n", directory); + /* This is dumb but posix-mandated. */ + if (posixly_correct && pflag) + setpwd (directory); + if (directory != the_current_working_directory) + free (directory); + return (sh_chkwrite (EXECUTION_SUCCESS)); + } + else + return (EXECUTION_FAILURE); +} + +/* Do the work of changing to the directory NEWDIR. Handle symbolic + link following, etc. This function *must* return with + the_current_working_directory either set to NULL (in which case + getcwd() will eventually be called), or set to a string corresponding + to the working directory. Return 1 on success, 0 on failure. */ + +static int +change_to_directory (newdir, nolinks) + char *newdir; + int nolinks; +{ + char *t, *tdir; + int err, canon_failed, r, ndlen, dlen; + + tdir = (char *)NULL; + + if (the_current_working_directory == 0) + { + t = get_working_directory ("chdir"); + FREE (t); + } + + t = make_absolute (newdir, the_current_working_directory); + + /* TDIR is either the canonicalized absolute pathname of NEWDIR + (nolinks == 0) or the absolute physical pathname of NEWDIR + (nolinks != 0). */ + tdir = nolinks ? sh_physpath (t, 0) + : sh_canonpath (t, PATH_CHECKDOTDOT|PATH_CHECKEXISTS); + + ndlen = strlen (newdir); + dlen = strlen (t); + + /* Use the canonicalized version of NEWDIR, or, if canonicalization + failed, use the non-canonical form. */ + canon_failed = 0; + if (tdir && *tdir) + free (t); + else + { + FREE (tdir); + tdir = t; + canon_failed = 1; + } + + /* In POSIX mode, if we're resolving symlinks logically and sh_canonpath + returns NULL (because it checks the path, it will return NULL if the + resolved path doesn't exist), fail immediately. */ + if (posixly_correct && nolinks == 0 && canon_failed && (errno != ENAMETOOLONG || ndlen > PATH_MAX)) + { +#if defined ENAMETOOLONG + if (errno != ENOENT && errno != ENAMETOOLONG) +#else + if (errno != ENOENT) +#endif + errno = ENOTDIR; + free (tdir); + return (0); + } + + /* If the chdir succeeds, update the_current_working_directory. */ + if (chdir (nolinks ? newdir : tdir) == 0) + { + /* If canonicalization failed, but the chdir succeeded, reset the + shell's idea of the_current_working_directory. */ + if (canon_failed) + { + t = resetpwd ("cd"); + if (t == 0) + set_working_directory (tdir); + } + else + set_working_directory (tdir); + + free (tdir); + return (1); + } + + /* We failed to change to the appropriate directory name. If we tried + what the user passed (nolinks != 0), punt now. */ + if (nolinks) + { + free (tdir); + return (0); + } + + err = errno; + + /* We're not in physical mode (nolinks == 0), but we failed to change to + the canonicalized directory name (TDIR). Try what the user passed + verbatim. If we succeed, reinitialize the_current_working_directory. */ + if (chdir (newdir) == 0) + { + t = resetpwd ("cd"); + if (t == 0) + set_working_directory (tdir); + else + free (t); + + r = 1; + } + else + { + errno = err; + r = 0; + } + + free (tdir); + return r; +} diff --git a/builtins/colon.c b/builtins/colon.c new file mode 100644 index 0000000..d1ca614 --- /dev/null +++ b/builtins/colon.c @@ -0,0 +1,24 @@ +/* colon.c, created from colon.def. */ +#line 22 "./colon.def" + +#line 34 "./colon.def" + +#line 43 "./colon.def" + +#line 52 "./colon.def" + +/* Return a successful result. */ +int +colon_builtin (ignore) + char *ignore; +{ + return (0); +} + +/* Return an unsuccessful result. */ +int +false_builtin (ignore) + char *ignore; +{ + return (1); +} diff --git a/builtins/command.c b/builtins/command.c new file mode 100644 index 0000000..5a5b745 --- /dev/null +++ b/builtins/command.c @@ -0,0 +1,183 @@ +/* command.c, created from command.def. */ +#line 22 "./command.def" + +#line 41 "./command.def" + +#include <config.h> + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include "../bashansi.h" + +#include "../shell.h" +#include "../execute_cmd.h" +#include "../flags.h" +#include "bashgetopt.h" +#include "common.h" + +#if defined (_CS_PATH) && defined (HAVE_CONFSTR) && !HAVE_DECL_CONFSTR +extern size_t confstr __P((int, char *, size_t)); +#endif + +extern int subshell_environment; + +static void restore_path __P((char *)); +static char *get_standard_path __P((void)); + +/* Run the commands mentioned in LIST without paying attention to shell + functions. */ +int +command_builtin (list) + WORD_LIST *list; +{ + int result, verbose, use_standard_path, opt; + char *old_path, *standard_path; + COMMAND *command; + + verbose = use_standard_path = 0; + reset_internal_getopt (); + while ((opt = internal_getopt (list, "pvV")) != -1) + { + switch (opt) + { + case 'p': + use_standard_path = 1; + break; + case 'V': + verbose = CDESC_SHORTDESC|CDESC_ABSPATH; /* look in common.h for constants */ + break; + case 'v': + verbose = CDESC_REUSABLE; /* ditto */ + break; + default: + builtin_usage (); + return (EX_USAGE); + } + } + list = loptend; + + if (list == 0) + return (EXECUTION_SUCCESS); + +#if defined (RESTRICTED_SHELL) + if (use_standard_path && restricted) + { + sh_restricted ("-p"); + return (EXECUTION_FAILURE); + } +#endif + + begin_unwind_frame ("command_builtin"); + + if (use_standard_path) + { + old_path = get_string_value ("PATH"); + /* If old_path is NULL, $PATH is unset. If so, we want to make sure + it's unset after this command completes. */ + if (old_path) + old_path = savestring (old_path); + add_unwind_protect ((Function *)restore_path, old_path); + + standard_path = get_standard_path (); + bind_variable ("PATH", standard_path ? standard_path : "", 0); + stupidly_hack_special_variables ("PATH"); + FREE (standard_path); + } + + if (verbose) + { + int found, any_found; + + for (any_found = 0; list; list = list->next) + { + found = describe_command (list->word->word, verbose); + + if (found == 0 && verbose != CDESC_REUSABLE) + sh_notfound (list->word->word); + + any_found += found; + } + + run_unwind_frame ("command_builtin"); + return (any_found ? EXECUTION_SUCCESS : EXECUTION_FAILURE); + } + +#define COMMAND_BUILTIN_FLAGS (CMD_NO_FUNCTIONS | CMD_INHIBIT_EXPANSION | CMD_COMMAND_BUILTIN) + + /* We don't want this to be reparsed (consider command echo 'foo &'), so + just make a simple_command structure and call execute_command with it. */ + command = make_bare_simple_command (); + command->value.Simple->words = (WORD_LIST *)copy_word_list (list); + command->value.Simple->redirects = (REDIRECT *)NULL; + command->flags |= COMMAND_BUILTIN_FLAGS; + command->value.Simple->flags |= COMMAND_BUILTIN_FLAGS; +#if 0 + /* This breaks for things like ( cd /tmp ; command z ababa ; echo next ) + or $(command echo a ; command echo b;) or even + { command echo a; command echo b; } & */ + /* If we're in a subshell, see if we can get away without forking + again, since we've already forked to run this builtin. */ + if (subshell_environment) + { + command->flags |= CMD_NO_FORK; + command->value.Simple->flags |= CMD_NO_FORK; + } +#endif + add_unwind_protect ((char *)dispose_command, command); + result = execute_command (command); + + run_unwind_frame ("command_builtin"); + + return (result); +} + +/* Restore the value of the $PATH variable after replacing it when + executing `command -p'. */ +static void +restore_path (var) + char *var; +{ + if (var) + { + bind_variable ("PATH", var, 0); + free (var); + } + else + unbind_variable ("PATH"); + + stupidly_hack_special_variables ("PATH"); +} + +/* Return a value for PATH that is guaranteed to find all of the standard + utilities. This uses Posix.2 configuration variables, if present. It + uses a value defined in config.h as a last resort. */ +static char * +get_standard_path () +{ +#if defined (_CS_PATH) && defined (HAVE_CONFSTR) + char *p; + size_t len; + + len = (size_t)confstr (_CS_PATH, (char *)NULL, (size_t)0); + if (len > 0) + { + p = (char *)xmalloc (len + 2); + *p = '\0'; + confstr (_CS_PATH, p, len); + return (p); + } + else + return (savestring (STANDARD_UTILS_PATH)); +#else /* !_CS_PATH || !HAVE_CONFSTR */ +# if defined (CS_PATH) + return (savestring (CS_PATH)); +# else + return (savestring (STANDARD_UTILS_PATH)); +# endif /* !CS_PATH */ +#endif /* !_CS_PATH || !HAVE_CONFSTR */ +} diff --git a/builtins/complete.c b/builtins/complete.c new file mode 100644 index 0000000..582bd96 --- /dev/null +++ b/builtins/complete.c @@ -0,0 +1,785 @@ +/* complete.c, created from complete.def. */ +#line 22 "./complete.def" + +#line 49 "./complete.def" + +#include <config.h> + +#include <stdio.h> + +#include "../bashtypes.h" + +#if defined (HAVE_UNISTD_H) +# include <unistd.h> +#endif + +#include "../bashansi.h" +#include "../bashintl.h" + +#include "../shell.h" +#include "../builtins.h" +#include "../pcomplete.h" +#include "../bashline.h" + +#include "common.h" +#include "bashgetopt.h" + +#include <readline/readline.h> + +#define STRDUP(x) ((x) ? savestring (x) : (char *)NULL) + +/* Structure containing all the non-action (binary) options; filled in by + build_actions(). */ +struct _optflags { + int pflag; + int rflag; + int Dflag; + int Eflag; +}; + +static int find_compact __P((char *)); +static int find_compopt __P((char *)); + +static int build_actions __P((WORD_LIST *, struct _optflags *, unsigned long *, unsigned long *)); + +static int remove_cmd_completions __P((WORD_LIST *)); + +static int print_one_completion __P((char *, COMPSPEC *)); +static int print_compitem __P((BUCKET_CONTENTS *)); +static void print_compopts __P((const char *, COMPSPEC *, int)); +static void print_all_completions __P((void)); +static int print_cmd_completions __P((WORD_LIST *)); + +static char *Garg, *Warg, *Parg, *Sarg, *Xarg, *Farg, *Carg; + +static const struct _compacts { + const char * const actname; + int actflag; + int actopt; +} compacts[] = { + { "alias", CA_ALIAS, 'a' }, + { "arrayvar", CA_ARRAYVAR, 0 }, + { "binding", CA_BINDING, 0 }, + { "builtin", CA_BUILTIN, 'b' }, + { "command", CA_COMMAND, 'c' }, + { "directory", CA_DIRECTORY, 'd' }, + { "disabled", CA_DISABLED, 0 }, + { "enabled", CA_ENABLED, 0 }, + { "export", CA_EXPORT, 'e' }, + { "file", CA_FILE, 'f' }, + { "function", CA_FUNCTION, 0 }, + { "helptopic", CA_BUILTIN, 0 }, /* for now */ + { "hostname", CA_HOSTNAME, 0 }, + { "group", CA_GROUP, 'g' }, + { "job", CA_JOB, 'j' }, + { "keyword", CA_KEYWORD, 'k' }, + { "running", CA_RUNNING, 0 }, + { "service", CA_SERVICE, 's' }, + { "setopt", CA_SETOPT, 0 }, + { "shopt", CA_SHOPT, 0 }, + { "signal", CA_SIGNAL, 0 }, + { "stopped", CA_STOPPED, 0 }, + { "user", CA_USER, 'u' }, + { "variable", CA_VARIABLE, 'v' }, + { (char *)NULL, 0, 0 }, +}; + +/* This should be a STRING_INT_ALIST */ +const static struct _compopt { + const char * const optname; + int optflag; +} compopts[] = { + { "bashdefault", COPT_BASHDEFAULT }, + { "default", COPT_DEFAULT }, + { "dirnames", COPT_DIRNAMES }, + { "filenames",COPT_FILENAMES}, + { "nospace", COPT_NOSPACE }, + { "plusdirs", COPT_PLUSDIRS }, + { (char *)NULL, 0 }, +}; + +static int +find_compact (name) + char *name; +{ + register int i; + + for (i = 0; compacts[i].actname; i++) + if (STREQ (name, compacts[i].actname)) + return i; + return -1; +} + +static int +find_compopt (name) + char *name; +{ + register int i; + + for (i = 0; compopts[i].optname; i++) + if (STREQ (name, compopts[i].optname)) + return i; + return -1; +} + +/* Build the actions and compspec options from the options specified in LIST. + ACTP is a pointer to an unsigned long in which to place the bitmap of + actions. OPTP is a pointer to an unsigned long in which to place the + btmap of compspec options (arguments to `-o'). PP, if non-null, gets 1 + if -p is supplied; RP, if non-null, gets 1 if -r is supplied. + If either is null, the corresponding option generates an error. + This also sets variables corresponding to options that take arguments as + a side effect; the caller should ensure that those variables are set to + NULL before calling build_actions. Return value: + EX_USAGE = bad option + EXECUTION_SUCCESS = some options supplied + EXECUTION_FAILURE = no options supplied +*/ + +static int +build_actions (list, flagp, actp, optp) + WORD_LIST *list; + struct _optflags *flagp; + unsigned long *actp, *optp; +{ + int opt, ind, opt_given; + unsigned long acts, copts; + + acts = copts = (unsigned long)0L; + opt_given = 0; + + reset_internal_getopt (); + while ((opt = internal_getopt (list, "abcdefgjko:prsuvA:G:W:P:S:X:F:C:DE")) != -1) + { + opt_given = 1; + switch (opt) + { + case 'r': + if (flagp) + { + flagp->rflag = 1; + break; + } + else + { + sh_invalidopt ("-r"); + builtin_usage (); + return (EX_USAGE); + } + + case 'p': + if (flagp) + { + flagp->pflag = 1; + break; + } + else + { + sh_invalidopt ("-p"); + builtin_usage (); + return (EX_USAGE); + } + + case 'a': + acts |= CA_ALIAS; + break; + case 'b': + acts |= CA_BUILTIN; + break; + case 'c': + acts |= CA_COMMAND; + break; + case 'd': + acts |= CA_DIRECTORY; + break; + case 'e': + acts |= CA_EXPORT; + break; + case 'f': + acts |= CA_FILE; + break; + case 'g': + acts |= CA_GROUP; + break; + case 'j': + acts |= CA_JOB; + break; + case 'k': + acts |= CA_KEYWORD; + break; + case 's': + acts |= CA_SERVICE; + break; + case 'u': + acts |= CA_USER; + break; + case 'v': + acts |= CA_VARIABLE; + break; + case 'o': + ind = find_compopt (list_optarg); + if (ind < 0) + { + sh_invalidoptname (list_optarg); + return (EX_USAGE); + } + copts |= compopts[ind].optflag; + break; + case 'A': + ind = find_compact (list_optarg); + if (ind < 0) + { + builtin_error (_("%s: invalid action name"), list_optarg); + return (EX_USAGE); + } + acts |= compacts[ind].actflag; + break; + case 'C': + Carg = list_optarg; + break; + case 'D': + if (flagp) + { + flagp->Dflag = 1; + break; + } + else + { + sh_invalidopt ("-D"); + builtin_usage (); + return (EX_USAGE); + } + case 'E': + if (flagp) + { + flagp->Eflag = 1; + break; + } + else + { + sh_invalidopt ("-E"); + builtin_usage (); + return (EX_USAGE); + } + case 'F': + Farg = list_optarg; + break; + case 'G': + Garg = list_optarg; + break; + case 'P': + Parg = list_optarg; + break; + case 'S': + Sarg = list_optarg; + break; + case 'W': + Warg = list_optarg; + break; + case 'X': + Xarg = list_optarg; + break; + default: + builtin_usage (); + return (EX_USAGE); + } + } + + *actp = acts; + *optp = copts; + + return (opt_given ? EXECUTION_SUCCESS : EXECUTION_FAILURE); +} + +/* Add, remove, and display completion specifiers. */ +int +complete_builtin (list) + WORD_LIST *list; +{ + int opt_given, rval; + unsigned long acts, copts; + COMPSPEC *cs; + struct _optflags oflags; + WORD_LIST *l, *wl; + + if (list == 0) + { + print_all_completions (); + return (EXECUTION_SUCCESS); + } + + opt_given = oflags.pflag = oflags.rflag = oflags.Dflag = oflags.Eflag = 0; + + acts = copts = (unsigned long)0L; + Garg = Warg = Parg = Sarg = Xarg = Farg = Carg = (char *)NULL; + cs = (COMPSPEC *)NULL; + + /* Build the actions from the arguments. Also sets the [A-Z]arg variables + as a side effect if they are supplied as options. */ + rval = build_actions (list, &oflags, &acts, &copts); + if (rval == EX_USAGE) + return (rval); + opt_given = rval != EXECUTION_FAILURE; + + list = loptend; + + wl = oflags.Dflag ? make_word_list (make_bare_word (DEFAULTCMD), (WORD_LIST *)NULL) + : (oflags.Eflag ? make_word_list (make_bare_word (EMPTYCMD), (WORD_LIST *)NULL) : 0); + + /* -p overrides everything else */ + if (oflags.pflag || (list == 0 && opt_given == 0)) + { + if (wl) + { + rval = print_cmd_completions (wl); + dispose_words (wl); + return rval; + } + else if (list == 0) + { + print_all_completions (); + return (EXECUTION_SUCCESS); + } + return (print_cmd_completions (list)); + } + + /* next, -r overrides everything else. */ + if (oflags.rflag) + { + if (wl) + { + rval = remove_cmd_completions (wl); + dispose_words (wl); + return rval; + } + else if (list == 0) + { + progcomp_flush (); + return (EXECUTION_SUCCESS); + } + return (remove_cmd_completions (list)); + } + + if (wl == 0 && list == 0 && opt_given) + { + builtin_usage (); + return (EX_USAGE); + } + + /* If we get here, we need to build a compspec and add it for each + remaining argument. */ + cs = compspec_create (); + cs->actions = acts; + cs->options = copts; + + cs->globpat = STRDUP (Garg); + cs->words = STRDUP (Warg); + cs->prefix = STRDUP (Parg); + cs->suffix = STRDUP (Sarg); + cs->funcname = STRDUP (Farg); + cs->command = STRDUP (Carg); + cs->filterpat = STRDUP (Xarg); + + for (rval = EXECUTION_SUCCESS, l = wl ? wl : list ; l; l = l->next) + { + /* Add CS as the compspec for the specified commands. */ + if (progcomp_insert (l->word->word, cs) == 0) + rval = EXECUTION_FAILURE; + } + + dispose_words (wl); + return (rval); +} + +static int +remove_cmd_completions (list) + WORD_LIST *list; +{ + WORD_LIST *l; + int ret; + + for (ret = EXECUTION_SUCCESS, l = list; l; l = l->next) + { + if (progcomp_remove (l->word->word) == 0) + { + builtin_error (_("%s: no completion specification"), l->word->word); + ret = EXECUTION_FAILURE; + } + } + return ret; +} + +#define SQPRINTARG(a, f) \ + do { \ + if (a) \ + { \ + x = sh_single_quote (a); \ + printf ("%s %s ", f, x); \ + free (x); \ + } \ + } while (0) + +#define PRINTARG(a, f) \ + do { \ + if (a) \ + printf ("%s %s ", f, a); \ + } while (0) + +#define PRINTOPT(a, f) \ + do { \ + if (acts & a) \ + printf ("%s ", f); \ + } while (0) + +#define PRINTACT(a, f) \ + do { \ + if (acts & a) \ + printf ("-A %s ", f); \ + } while (0) + +#define PRINTCOMPOPT(a, f) \ + do { \ + if (copts & a) \ + printf ("-o %s ", f); \ + } while (0) + +#define XPRINTCOMPOPT(a, f) \ + do { \ + if (copts & a) \ + printf ("-o %s ", f); \ + else \ + printf ("+o %s ", f); \ + } while (0) + +static int +print_one_completion (cmd, cs) + char *cmd; + COMPSPEC *cs; +{ + unsigned long acts, copts; + char *x; + + printf ("complete "); + + copts = cs->options; + + /* First, print the -o options. */ + PRINTCOMPOPT (COPT_BASHDEFAULT, "bashdefault"); + PRINTCOMPOPT (COPT_DEFAULT, "default"); + PRINTCOMPOPT (COPT_DIRNAMES, "dirnames"); + PRINTCOMPOPT (COPT_FILENAMES, "filenames"); + PRINTCOMPOPT (COPT_NOSPACE, "nospace"); + PRINTCOMPOPT (COPT_PLUSDIRS, "plusdirs"); + + acts = cs->actions; + + /* simple flags next */ + PRINTOPT (CA_ALIAS, "-a"); + PRINTOPT (CA_BUILTIN, "-b"); + PRINTOPT (CA_COMMAND, "-c"); + PRINTOPT (CA_DIRECTORY, "-d"); + PRINTOPT (CA_EXPORT, "-e"); + PRINTOPT (CA_FILE, "-f"); + PRINTOPT (CA_GROUP, "-g"); + PRINTOPT (CA_JOB, "-j"); + PRINTOPT (CA_KEYWORD, "-k"); + PRINTOPT (CA_SERVICE, "-s"); + PRINTOPT (CA_USER, "-u"); + PRINTOPT (CA_VARIABLE, "-v"); + + /* now the rest of the actions */ + PRINTACT (CA_ARRAYVAR, "arrayvar"); + PRINTACT (CA_BINDING, "binding"); + PRINTACT (CA_DISABLED, "disabled"); + PRINTACT (CA_ENABLED, "enabled"); + PRINTACT (CA_FUNCTION, "function"); + PRINTACT (CA_HELPTOPIC, "helptopic"); + PRINTACT (CA_HOSTNAME, "hostname"); + PRINTACT (CA_RUNNING, "running"); + PRINTACT (CA_SETOPT, "setopt"); + PRINTACT (CA_SHOPT, "shopt"); + PRINTACT (CA_SIGNAL, "signal"); + PRINTACT (CA_STOPPED, "stopped"); + + /* now the rest of the arguments */ + + /* arguments that require quoting */ + SQPRINTARG (cs->globpat, "-G"); + SQPRINTARG (cs->words, "-W"); + SQPRINTARG (cs->prefix, "-P"); + SQPRINTARG (cs->suffix, "-S"); + SQPRINTARG (cs->filterpat, "-X"); + + SQPRINTARG (cs->command, "-C"); + + /* simple arguments that don't require quoting */ + PRINTARG (cs->funcname, "-F"); + + if (STREQ (cmd, EMPTYCMD)) + printf ("-E\n"); + else if (STREQ (cmd, DEFAULTCMD)) + printf ("-D\n"); + else + printf ("%s\n", cmd); + + return (0); +} + +static void +print_compopts (cmd, cs, full) + const char *cmd; + COMPSPEC *cs; + int full; +{ + int copts; + + printf ("compopt "); + copts = cs->options; + + if (full) + { + XPRINTCOMPOPT (COPT_BASHDEFAULT, "bashdefault"); + XPRINTCOMPOPT (COPT_DEFAULT, "default"); + XPRINTCOMPOPT (COPT_DIRNAMES, "dirnames"); + XPRINTCOMPOPT (COPT_FILENAMES, "filenames"); + XPRINTCOMPOPT (COPT_NOSPACE, "nospace"); + XPRINTCOMPOPT (COPT_PLUSDIRS, "plusdirs"); + } + else + { + PRINTCOMPOPT (COPT_BASHDEFAULT, "bashdefault"); + PRINTCOMPOPT (COPT_DEFAULT, "default"); + PRINTCOMPOPT (COPT_DIRNAMES, "dirnames"); + PRINTCOMPOPT (COPT_FILENAMES, "filenames"); + PRINTCOMPOPT (COPT_NOSPACE, "nospace"); + PRINTCOMPOPT (COPT_PLUSDIRS, "plusdirs"); + } + + if (STREQ (cmd, EMPTYCMD)) + printf ("-E\n"); + else if (STREQ (cmd, DEFAULTCMD)) + printf ("-D\n"); + else + printf ("%s\n", cmd); +} + +static int +print_compitem (item) + BUCKET_CONTENTS *item; +{ + COMPSPEC *cs; + char *cmd; + + cmd = item->key; + cs = (COMPSPEC *)item->data; + + return (print_one_completion (cmd, cs)); +} + +static void +print_all_completions () +{ + progcomp_walk (print_compitem); +} + +static int +print_cmd_completions (list) + WORD_LIST *list; +{ + WORD_LIST *l; + COMPSPEC *cs; + int ret; + + for (ret = EXECUTION_SUCCESS, l = list; l; l = l->next) + { + cs = progcomp_search (l->word->word); + if (cs) + print_one_completion (l->word->word, cs); + else + { + builtin_error (_("%s: no completion specification"), l->word->word); + ret = EXECUTION_FAILURE; + } + } + + return (sh_chkwrite (ret)); +} + +#line 665 "./complete.def" + +int +compgen_builtin (list) + WORD_LIST *list; +{ + int rval; + unsigned long acts, copts; + COMPSPEC *cs; + STRINGLIST *sl; + char *word, **matches; + + if (list == 0) + return (EXECUTION_SUCCESS); + + acts = copts = (unsigned long)0L; + Garg = Warg = Parg = Sarg = Xarg = Farg = Carg = (char *)NULL; + cs = (COMPSPEC *)NULL; + + /* Build the actions from the arguments. Also sets the [A-Z]arg variables + as a side effect if they are supplied as options. */ + rval = build_actions (list, (struct _optflags *)NULL, &acts, &copts); + if (rval == EX_USAGE) + return (rval); + if (rval == EXECUTION_FAILURE) + return (EXECUTION_SUCCESS); + + list = loptend; + + word = (list && list->word) ? list->word->word : ""; + + if (Farg) + builtin_error (_("warning: -F option may not work as you expect")); + if (Carg) + builtin_error (_("warning: -C option may not work as you expect")); + + /* If we get here, we need to build a compspec and evaluate it. */ + cs = compspec_create (); + cs->actions = acts; + cs->options = copts; + cs->refcount = 1; + + cs->globpat = STRDUP (Garg); + cs->words = STRDUP (Warg); + cs->prefix = STRDUP (Parg); + cs->suffix = STRDUP (Sarg); + cs->funcname = STRDUP (Farg); + cs->command = STRDUP (Carg); + cs->filterpat = STRDUP (Xarg); + + rval = EXECUTION_FAILURE; + sl = gen_compspec_completions (cs, "compgen", word, 0, 0, 0); + + /* If the compspec wants the bash default completions, temporarily + turn off programmable completion and call the bash completion code. */ + if ((sl == 0 || sl->list_len == 0) && (copts & COPT_BASHDEFAULT)) + { + matches = bash_default_completion (word, 0, 0, 0, 0); + sl = completions_to_stringlist (matches); + strvec_dispose (matches); + } + + /* This isn't perfect, but it's the best we can do, given what readline + exports from its set of completion utility functions. */ + if ((sl == 0 || sl->list_len == 0) && (copts & COPT_DEFAULT)) + { + matches = rl_completion_matches (word, rl_filename_completion_function); + sl = completions_to_stringlist (matches); + strvec_dispose (matches); + } + + if (sl) + { + if (sl->list && sl->list_len) + { + rval = EXECUTION_SUCCESS; + strlist_print (sl, (char *)NULL); + } + strlist_dispose (sl); + } + + compspec_dispose (cs); + return (rval); +} + +#line 778 "./complete.def" + +int +compopt_builtin (list) + WORD_LIST *list; +{ + int opts_on, opts_off, *opts, opt, oind, ret, Dflag, Eflag; + WORD_LIST *l, *wl; + COMPSPEC *cs; + + opts_on = opts_off = Eflag = Dflag = 0; + ret = EXECUTION_SUCCESS; + + reset_internal_getopt (); + while ((opt = internal_getopt (list, "+o:DE")) != EOF) + { + opts = (list_opttype == '-') ? &opts_on : &opts_off; + + switch (opt) + { + case 'o': + oind = find_compopt (list_optarg); + if (oind < 0) + { + sh_invalidoptname (list_optarg); + return (EX_USAGE); + } + *opts |= compopts[oind].optflag; + break; + case 'D': + Dflag = 1; + break; + case 'E': + Eflag = 1; + break; + default: + builtin_usage (); + return (EX_USAGE); + } + } + list = loptend; + + wl = Dflag ? make_word_list (make_bare_word (DEFAULTCMD), (WORD_LIST *)NULL) + : (Eflag ? make_word_list (make_bare_word (EMPTYCMD), (WORD_LIST *)NULL) : 0); + + if (list == 0 && wl == 0) + { + if (RL_ISSTATE (RL_STATE_COMPLETING) == 0 || pcomp_curcs == 0) + { + builtin_error (_("not currently executing completion function")); + return (EXECUTION_FAILURE); + } + cs = pcomp_curcs; + + if (opts_on == 0 && opts_off == 0) + { + print_compopts (pcomp_curcmd, cs, 1); + return (sh_chkwrite (ret)); + } + + /* Set the compspec options */ + pcomp_set_compspec_options (cs, opts_on, 1); + pcomp_set_compspec_options (cs, opts_off, 0); + + /* And change the readline variables the options control */ + pcomp_set_readline_variables (opts_on, 1); + pcomp_set_readline_variables (opts_off, 0); + + return (ret); + } + + for (l = wl ? wl : list; l; l = l->next) + { + cs = progcomp_search (l->word->word); + if (cs == 0) + { + builtin_error (_("%s: no completion specification"), l->word->word); + ret = EXECUTION_FAILURE; + continue; + } + if (opts_on == 0 && opts_off == 0) + { + print_compopts (l->word->word, cs, 1); + continue; /* XXX -- fill in later */ + } + + /* Set the compspec options */ + pcomp_set_compspec_options (cs, opts_on, 1); + pcomp_set_compspec_options (cs, opts_off, 0); + } + + return (ret); +} diff --git a/builtins/declare.c b/builtins/declare.c new file mode 100644 index 0000000..11004d6 --- /dev/null +++ b/builtins/declare.c @@ -0,0 +1,489 @@ +/* declare.c, created from declare.def. */ +#line 22 "./declare.def" + +#line 58 "./declare.def" + +#line 66 "./declare.def" + +#include <config.h> + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include <stdio.h> + +#include "../bashansi.h" +#include "../bashintl.h" + +#include "../shell.h" +#include "common.h" +#include "builtext.h" +#include "bashgetopt.h" + +extern int array_needs_making; +extern int posixly_correct; + +static int declare_internal __P((register WORD_LIST *, int)); + +/* Declare or change variable attributes. */ +int +declare_builtin (list) + register WORD_LIST *list; +{ + return (declare_internal (list, 0)); +} + +#line 114 "./declare.def" +int +local_builtin (list) + register WORD_LIST *list; +{ + if (variable_context) + return (declare_internal (list, 1)); + else + { + builtin_error (_("can only be used in a function")); + return (EXECUTION_FAILURE); + } +} + +#if defined (ARRAY_VARS) +# define DECLARE_OPTS "+acfilprtuxAF" +#else +# define DECLARE_OPTS "+cfilprtuxF" +#endif + +/* The workhorse function. */ +static int +declare_internal (list, local_var) + register WORD_LIST *list; + int local_var; +{ + int flags_on, flags_off, *flags; + int any_failed, assign_error, pflag, nodefs, opt; + char *t, *subscript_start; + SHELL_VAR *var; + FUNCTION_DEF *shell_fn; + + flags_on = flags_off = any_failed = assign_error = pflag = nodefs = 0; + reset_internal_getopt (); + while ((opt = internal_getopt (list, DECLARE_OPTS)) != EOF) + { + flags = list_opttype == '+' ? &flags_off : &flags_on; + + switch (opt) + { + case 'a': +#if defined (ARRAY_VARS) + *flags |= att_array; + break; +#else + builtin_usage (); + return (EX_USAGE); +#endif + case 'A': +#if defined (ARRAY_VARS) + *flags |= att_assoc; + break; +#else + builtin_usage (); + return (EX_USAGE); +#endif + case 'p': + if (local_var == 0) + pflag++; + break; + case 'F': + nodefs++; + *flags |= att_function; + break; + case 'f': + *flags |= att_function; + break; + case 'i': + *flags |= att_integer; + break; + case 'r': + *flags |= att_readonly; + break; + case 't': + *flags |= att_trace; + break; + case 'x': + *flags |= att_exported; + array_needs_making = 1; + break; +#if defined (CASEMOD_ATTRS) +# if defined (CASEMOD_CAPCASE) + case 'c': + *flags |= att_capcase; + if (flags == &flags_on) + flags_off |= att_uppercase|att_lowercase; + break; +# endif + case 'l': + *flags |= att_lowercase; + if (flags == &flags_on) + flags_off |= att_capcase|att_uppercase; + break; + case 'u': + *flags |= att_uppercase; + if (flags == &flags_on) + flags_off |= att_capcase|att_lowercase; + break; +#endif /* CASEMOD_ATTRS */ + default: + builtin_usage (); + return (EX_USAGE); + } + } + + list = loptend; + + /* If there are no more arguments left, then we just want to show + some variables. */ + if (list == 0) /* declare -[aAfFirtx] */ + { + /* Show local variables defined at this context level if this is + the `local' builtin. */ + if (local_var) + { + register SHELL_VAR **vlist; + register int i; + + vlist = all_local_variables (); + + if (vlist) + { + for (i = 0; vlist[i]; i++) + print_assignment (vlist[i]); + + free (vlist); + } + } + else if (pflag && (flags_on == 0 || flags_on == att_function)) + show_all_var_attributes (flags_on == 0, nodefs); + else if (flags_on == 0) + return (set_builtin ((WORD_LIST *)NULL)); + else + set_or_show_attributes ((WORD_LIST *)NULL, flags_on, nodefs); + + return (sh_chkwrite (EXECUTION_SUCCESS)); + } + + if (pflag) /* declare -p [-aAfFirtx] name [name...] */ + { + for (any_failed = 0; list; list = list->next) + { + pflag = show_name_attributes (list->word->word, nodefs); + if (pflag) + { + sh_notfound (list->word->word); + any_failed++; + } + } + return (sh_chkwrite (any_failed ? EXECUTION_FAILURE : EXECUTION_SUCCESS)); + } + +#define NEXT_VARIABLE() free (name); list = list->next; continue + + /* There are arguments left, so we are making variables. */ + while (list) /* declare [-aAfFirx] name [name ...] */ + { + char *value, *name; + int offset, aflags; +#if defined (ARRAY_VARS) + int making_array_special, compound_array_assign, simple_array_assign; +#endif + + name = savestring (list->word->word); + offset = assignment (name, 0); + aflags = 0; + + if (offset) /* declare [-aAfFirx] name=value */ + { + name[offset] = '\0'; + value = name + offset + 1; + if (name[offset - 1] == '+') + { + aflags |= ASS_APPEND; + name[offset - 1] = '\0'; + } + } + else + value = ""; + +#if defined (ARRAY_VARS) + compound_array_assign = simple_array_assign = 0; + subscript_start = (char *)NULL; + if (t = strchr (name, '[')) /* ] */ + { + /* If offset != 0 we have already validated any array reference */ + if (offset == 0 && valid_array_reference (name) == 0) + { + sh_invalidid (name); + assign_error++; + NEXT_VARIABLE (); + } + subscript_start = t; + *t = '\0'; + making_array_special = 1; + } + else + making_array_special = 0; +#endif + + /* If we're in posix mode or not looking for a shell function (since + shell function names don't have to be valid identifiers when the + shell's not in posix mode), check whether or not the argument is a + valid, well-formed shell identifier. */ + if ((posixly_correct || (flags_on & att_function) == 0) && legal_identifier (name) == 0) + { + sh_invalidid (name); + assign_error++; + NEXT_VARIABLE (); + } + + /* If VARIABLE_CONTEXT has a non-zero value, then we are executing + inside of a function. This means we should make local variables, + not global ones. */ + + /* XXX - this has consequences when we're making a local copy of a + variable that was in the temporary environment. Watch out + for this. */ + if (variable_context && ((flags_on & att_function) == 0)) + { +#if defined (ARRAY_VARS) + if (flags_on & att_assoc) + var = make_local_assoc_variable (name); + else if ((flags_on & att_array) || making_array_special) + var = make_local_array_variable (name); + else +#endif + var = make_local_variable (name); + if (var == 0) + { + any_failed++; + NEXT_VARIABLE (); + } + } + else + var = (SHELL_VAR *)NULL; + + /* If we are declaring a function, then complain about it in some way. + We don't let people make functions by saying `typeset -f foo=bar'. */ + + /* There should be a way, however, to let people look at a particular + function definition by saying `typeset -f foo'. */ + + if (flags_on & att_function) + { + if (offset) /* declare -f [-rix] foo=bar */ + { + builtin_error (_("cannot use `-f' to make functions")); + free (name); + return (EXECUTION_FAILURE); + } + else /* declare -f [-rx] name [name...] */ + { + var = find_function (name); + + if (var) + { + if (readonly_p (var) && (flags_off & att_readonly)) + { + builtin_error (_("%s: readonly function"), name); + any_failed++; + NEXT_VARIABLE (); + } + + /* declare -[Ff] name [name...] */ + if (flags_on == att_function && flags_off == 0) + { +#if defined (DEBUGGER) + if (nodefs && debugging_mode) + { + shell_fn = find_function_def (var->name); + if (shell_fn) + printf ("%s %d %s\n", var->name, shell_fn->line, shell_fn->source_file); + else + printf ("%s\n", var->name); + } + else +#endif /* DEBUGGER */ + { + t = nodefs ? var->name + : named_function_string (name, function_cell (var), FUNC_MULTILINE|FUNC_EXTERNAL); + printf ("%s\n", t); + any_failed = sh_chkwrite (any_failed); + } + } + else /* declare -[fF] -[rx] name [name...] */ + { + VSETATTR (var, flags_on); + VUNSETATTR (var, flags_off); + } + } + else + any_failed++; + NEXT_VARIABLE (); + } + } + else /* declare -[aAirx] name [name...] */ + { + /* Non-null if we just created or fetched a local variable. */ + if (var == 0) + var = find_variable (name); + + if (var == 0) + { +#if defined (ARRAY_VARS) + if (flags_on & att_assoc) + var = make_new_assoc_variable (name); + else if ((flags_on & att_array) || making_array_special) + var = make_new_array_variable (name); + else +#endif + + if (offset) + var = bind_variable (name, "", 0); + else + { + var = bind_variable (name, (char *)NULL, 0); + VSETATTR (var, att_invisible); + } + } + + /* Cannot use declare +r to turn off readonly attribute. */ + if (readonly_p (var) && (flags_off & att_readonly)) + { + sh_readonly (name); + any_failed++; + NEXT_VARIABLE (); + } + + /* Cannot use declare to assign value to readonly or noassign + variable. */ + if ((readonly_p (var) || noassign_p (var)) && offset) + { + if (readonly_p (var)) + sh_readonly (name); + assign_error++; + NEXT_VARIABLE (); + } + +#if defined (ARRAY_VARS) + if ((making_array_special || (flags_on & (att_array|att_assoc)) || array_p (var) || assoc_p (var)) && offset) + { + int vlen; + vlen = STRLEN (value); + + if (value[0] == '(' && value[vlen-1] == ')') + compound_array_assign = 1; + else + simple_array_assign = 1; + } + + /* Cannot use declare +a name or declare +A name to remove an + array variable. */ + if (((flags_off & att_array) && array_p (var)) || ((flags_off & att_assoc) && assoc_p (var))) + { + builtin_error (_("%s: cannot destroy array variables in this way"), name); + any_failed++; + NEXT_VARIABLE (); + } + + if ((flags_on & att_array) && assoc_p (var)) + { + builtin_error (_("%s: cannot convert associative to indexed array"), name); + any_failed++; + NEXT_VARIABLE (); + } + if ((flags_on & att_assoc) && array_p (var)) + { + builtin_error (_("%s: cannot convert indexed to associative array"), name); + any_failed++; + NEXT_VARIABLE (); + } + + /* declare -A name[[n]] makes name an associative array variable. */ + if (flags_on & att_assoc) + { + if (assoc_p (var) == 0) + var = convert_var_to_assoc (var); + } + /* declare -a name[[n]] or declare name[n] makes name an indexed + array variable. */ + else if ((making_array_special || (flags_on & att_array)) && array_p (var) == 0 && assoc_p (var) == 0) + var = convert_var_to_array (var); +#endif /* ARRAY_VARS */ + + VSETATTR (var, flags_on); + VUNSETATTR (var, flags_off); + +#if defined (ARRAY_VARS) + if (offset && compound_array_assign) + assign_array_var_from_string (var, value, aflags); + else if (simple_array_assign && subscript_start) + { + /* declare [-aA] name[N]=value */ + *subscript_start = '['; /* ] */ + var = assign_array_element (name, value, 0); /* XXX - not aflags */ + *subscript_start = '\0'; + } + else if (simple_array_assign) + { + /* let bind_{array,assoc}_variable take care of this. */ + if (assoc_p (var)) + bind_assoc_variable (var, name, "0", value, aflags); + else + bind_array_variable (name, 0, value, aflags); + } + else +#endif + /* bind_variable_value duplicates the essential internals of + bind_variable() */ + if (offset) + bind_variable_value (var, value, aflags); + + /* If we found this variable in the temporary environment, as with + `var=value declare -x var', make sure it is treated identically + to `var=value export var'. Do the same for `declare -r' and + `readonly'. Preserve the attributes, except for att_tempvar. */ + /* XXX -- should this create a variable in the global scope, or + modify the local variable flags? ksh93 has it modify the + global scope. + Need to handle case like in set_var_attribute where a temporary + variable is in the same table as the function local vars. */ + if ((flags_on & (att_exported|att_readonly)) && tempvar_p (var)) + { + SHELL_VAR *tv; + char *tvalue; + + tv = find_tempenv_variable (var->name); + if (tv) + { + tvalue = var_isset (var) ? savestring (value_cell (var)) : savestring (""); + tv = bind_variable (var->name, tvalue, 0); + tv->attributes |= var->attributes & ~att_tempvar; + if (tv->context > 0) + VSETATTR (tv, att_propagate); + free (tvalue); + } + VSETATTR (var, att_propagate); + } + } + + stupidly_hack_special_variables (name); + + NEXT_VARIABLE (); + } + + return (assign_error ? EX_BADASSIGN + : ((any_failed == 0) ? EXECUTION_SUCCESS + : EXECUTION_FAILURE)); +} diff --git a/builtins/echo.c b/builtins/echo.c new file mode 100644 index 0000000..442ca41 --- /dev/null +++ b/builtins/echo.c @@ -0,0 +1,135 @@ +/* echo.c, created from echo.def. */ +#line 22 "./echo.def" +#include <config.h> + +#if defined (HAVE_UNISTD_H) +# include <unistd.h> +#endif + +#include "../bashansi.h" + +#include <stdio.h> +#include "../shell.h" + +#include "common.h" + +#line 67 "./echo.def" + +#line 82 "./echo.def" + +#if defined (V9_ECHO) +# define VALID_ECHO_OPTIONS "neE" +#else /* !V9_ECHO */ +# define VALID_ECHO_OPTIONS "n" +#endif /* !V9_ECHO */ + +/* System V machines already have a /bin/sh with a v9 behaviour. We + give Bash the identical behaviour for these machines so that the + existing system shells won't barf. Regrettably, the SUS v2 has + standardized the Sys V echo behavior. This variable is external + so that we can have a `shopt' variable to control it at runtime. */ +#if defined (DEFAULT_ECHO_TO_XPG) || defined (STRICT_POSIX) +int xpg_echo = 1; +#else +int xpg_echo = 0; +#endif /* DEFAULT_ECHO_TO_XPG */ + +extern int posixly_correct; + +/* Print the words in LIST to standard output. If the first word is + `-n', then don't print a trailing newline. We also support the + echo syntax from Version 9 Unix systems. */ +int +echo_builtin (list) + WORD_LIST *list; +{ + int display_return, do_v9, i, len; + char *temp, *s; + + do_v9 = xpg_echo; + display_return = 1; + + if (posixly_correct && xpg_echo) + goto just_echo; + + for (; list && (temp = list->word->word) && *temp == '-'; list = list->next) + { + /* If it appears that we are handling options, then make sure that + all of the options specified are actually valid. Otherwise, the + string should just be echoed. */ + temp++; + + for (i = 0; temp[i]; i++) + { + if (strchr (VALID_ECHO_OPTIONS, temp[i]) == 0) + break; + } + + /* echo - and echo -<nonopt> both mean to just echo the arguments. */ + if (*temp == 0 || temp[i]) + break; + + /* All of the options in TEMP are valid options to ECHO. + Handle them. */ + while (i = *temp++) + { + switch (i) + { + case 'n': + display_return = 0; + break; +#if defined (V9_ECHO) + case 'e': + do_v9 = 1; + break; + case 'E': + do_v9 = 0; + break; +#endif /* V9_ECHO */ + default: + goto just_echo; /* XXX */ + } + } + } + +just_echo: + + clearerr (stdout); /* clear error before writing and testing success */ + + terminate_immediately++; + while (list) + { + i = len = 0; + temp = do_v9 ? ansicstr (list->word->word, STRLEN (list->word->word), 1, &i, &len) + : list->word->word; + if (temp) + { + if (do_v9) + { + for (s = temp; len > 0; len--) + putchar (*s++); + } + else + printf ("%s", temp); +#if defined (SunOS5) + fflush (stdout); /* Fix for bug in SunOS 5.5 printf(3) */ +#endif + } + if (do_v9 && temp) + free (temp); + list = list->next; + if (i) + { + display_return = 0; + break; + } + if (list) + putchar(' '); + } + + if (display_return) + putchar ('\n'); + + terminate_immediately--; + return (sh_chkwrite (EXECUTION_SUCCESS)); +} diff --git a/builtins/enable.c b/builtins/enable.c new file mode 100644 index 0000000..8e8d0f3 --- /dev/null +++ b/builtins/enable.c @@ -0,0 +1,438 @@ +/* enable.c, created from enable.def. */ +#line 22 "./enable.def" + +#line 50 "./enable.def" + +#include <config.h> + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include <stdio.h> +#include "../bashansi.h" +#include "../bashintl.h" + +#include "../shell.h" +#include "../builtins.h" +#include "../flags.h" +#include "common.h" +#include "bashgetopt.h" + +#if defined (PROGRAMMABLE_COMPLETION) +# include "../pcomplete.h" +#endif + +#define ENABLED 1 +#define DISABLED 2 +#define SPECIAL 4 + +#define AFLAG 0x01 +#define DFLAG 0x02 +#define FFLAG 0x04 +#define NFLAG 0x08 +#define PFLAG 0x10 +#define SFLAG 0x20 + +#if defined (HAVE_DLOPEN) && defined (HAVE_DLSYM) +static int dyn_load_builtin __P((WORD_LIST *, int, char *)); +#endif + +#if defined (HAVE_DLCLOSE) +static int dyn_unload_builtin __P((char *)); +static void delete_builtin __P((struct builtin *)); +static int local_dlclose __P((void *)); +#endif + +static void list_some_builtins __P((int)); +static int enable_shell_command __P((char *, int)); + +/* Enable/disable shell commands present in LIST. If list is not specified, + then print out a list of shell commands showing which are enabled and + which are disabled. */ +int +enable_builtin (list) + WORD_LIST *list; +{ + int result, flags; + int opt, filter; +#if defined (HAVE_DLOPEN) && defined (HAVE_DLSYM) + char *filename; +#endif + + result = EXECUTION_SUCCESS; + flags = 0; + + reset_internal_getopt (); + while ((opt = internal_getopt (list, "adnpsf:")) != -1) + { + switch (opt) + { + case 'a': + flags |= AFLAG; + break; + case 'n': + flags |= NFLAG; + break; + case 'p': + flags |= PFLAG; + break; + case 's': + flags |= SFLAG; + break; + case 'f': +#if defined (HAVE_DLOPEN) && defined (HAVE_DLSYM) + flags |= FFLAG; + filename = list_optarg; + break; +#else + builtin_error (_("dynamic loading not available")); + return (EX_USAGE); +#endif +#if defined (HAVE_DLCLOSE) + case 'd': + flags |= DFLAG; + break; +#else + builtin_error (_("dynamic loading not available")); + return (EX_USAGE); +#endif /* HAVE_DLCLOSE */ + default: + builtin_usage (); + return (EX_USAGE); + } + } + + list = loptend; + +#if defined (RESTRICTED_SHELL) + /* Restricted shells cannot load new builtins. */ + if (restricted && (flags & (FFLAG|DFLAG))) + { + sh_restricted ((char *)NULL); + return (EXECUTION_FAILURE); + } +#endif + + if (list == 0 || (flags & PFLAG)) + { + filter = (flags & AFLAG) ? (ENABLED | DISABLED) + : (flags & NFLAG) ? DISABLED : ENABLED; + + if (flags & SFLAG) + filter |= SPECIAL; + + list_some_builtins (filter); + } +#if defined (HAVE_DLOPEN) && defined (HAVE_DLSYM) + else if (flags & FFLAG) + { + filter = (flags & NFLAG) ? DISABLED : ENABLED; + if (flags & SFLAG) + filter |= SPECIAL; + + result = dyn_load_builtin (list, filter, filename); +#if defined (PROGRAMMABLE_COMPLETION) + set_itemlist_dirty (&it_builtins); +#endif + } +#endif +#if defined (HAVE_DLCLOSE) + else if (flags & DFLAG) + { + while (list) + { + opt = dyn_unload_builtin (list->word->word); + if (opt == EXECUTION_FAILURE) + result = EXECUTION_FAILURE; + list = list->next; + } +#if defined (PROGRAMMABLE_COMPLETION) + set_itemlist_dirty (&it_builtins); +#endif + } +#endif + else + { + while (list) + { + opt = enable_shell_command (list->word->word, flags & NFLAG); + + if (opt == EXECUTION_FAILURE) + { + sh_notbuiltin (list->word->word); + result = EXECUTION_FAILURE; + } + list = list->next; + } + } + return (result); +} + +/* List some builtins. + FILTER is a mask with two slots: ENABLED and DISABLED. */ +static void +list_some_builtins (filter) + int filter; +{ + register int i; + + for (i = 0; i < num_shell_builtins; i++) + { + if (shell_builtins[i].function == 0 || (shell_builtins[i].flags & BUILTIN_DELETED)) + continue; + + if ((filter & SPECIAL) && + (shell_builtins[i].flags & SPECIAL_BUILTIN) == 0) + continue; + + if ((filter & ENABLED) && (shell_builtins[i].flags & BUILTIN_ENABLED)) + printf ("enable %s\n", shell_builtins[i].name); + else if ((filter & DISABLED) && + ((shell_builtins[i].flags & BUILTIN_ENABLED) == 0)) + printf ("enable -n %s\n", shell_builtins[i].name); + } +} + +/* Enable the shell command NAME. If DISABLE_P is non-zero, then + disable NAME instead. */ +static int +enable_shell_command (name, disable_p) + char *name; + int disable_p; +{ + struct builtin *b; + + b = builtin_address_internal (name, 1); + if (b == 0) + return (EXECUTION_FAILURE); + + if (disable_p) + b->flags &= ~BUILTIN_ENABLED; +#if defined (RESTRICTED_SHELL) + else if (restricted && ((b->flags & BUILTIN_ENABLED) == 0)) + { + sh_restricted ((char *)NULL); + return (EXECUTION_FAILURE); + } +#endif + else + b->flags |= BUILTIN_ENABLED; + +#if defined (PROGRAMMABLE_COMPLETION) + set_itemlist_dirty (&it_enabled); + set_itemlist_dirty (&it_disabled); +#endif + + return (EXECUTION_SUCCESS); +} + +#if defined (HAVE_DLOPEN) && defined (HAVE_DLSYM) + +#if defined (HAVE_DLFCN_H) +# include <dlfcn.h> +#endif + +static int +dyn_load_builtin (list, flags, filename) + WORD_LIST *list; + int flags; + char *filename; +{ + WORD_LIST *l; + void *handle; + + int total, size, new, replaced; + char *struct_name, *name; + struct builtin **new_builtins, *b, *new_shell_builtins, *old_builtin; + + if (list == 0) + return (EXECUTION_FAILURE); + +#ifndef RTLD_LAZY +#define RTLD_LAZY 1 +#endif + +#if defined (_AIX) + handle = dlopen (filename, RTLD_NOW|RTLD_GLOBAL); +#else + handle = dlopen (filename, RTLD_LAZY); +#endif /* !_AIX */ + + if (handle == 0) + { + builtin_error (_("cannot open shared object %s: %s"), filename, dlerror ()); + return (EXECUTION_FAILURE); + } + + for (new = 0, l = list; l; l = l->next, new++) + ; + new_builtins = (struct builtin **)xmalloc (new * sizeof (struct builtin *)); + + /* For each new builtin in the shared object, find it and its describing + structure. If this is overwriting an existing builtin, do so, otherwise + save the loaded struct for creating the new list of builtins. */ + for (replaced = new = 0; list; list = list->next) + { + name = list->word->word; + + size = strlen (name); + struct_name = (char *)xmalloc (size + 8); + strcpy (struct_name, name); + strcpy (struct_name + size, "_struct"); + + b = (struct builtin *)dlsym (handle, struct_name); + if (b == 0) + { + builtin_error (_("cannot find %s in shared object %s: %s"), + struct_name, filename, dlerror ()); + free (struct_name); + continue; + } + + free (struct_name); + + b->flags &= ~STATIC_BUILTIN; + if (flags & SPECIAL) + b->flags |= SPECIAL_BUILTIN; + b->handle = handle; + + if (old_builtin = builtin_address_internal (name, 1)) + { + replaced++; + FASTCOPY ((char *)b, (char *)old_builtin, sizeof (struct builtin)); + } + else + new_builtins[new++] = b; + } + + if (replaced == 0 && new == 0) + { + free (new_builtins); + dlclose (handle); + return (EXECUTION_FAILURE); + } + + if (new) + { + total = num_shell_builtins + new; + size = (total + 1) * sizeof (struct builtin); + + new_shell_builtins = (struct builtin *)xmalloc (size); + FASTCOPY ((char *)shell_builtins, (char *)new_shell_builtins, + num_shell_builtins * sizeof (struct builtin)); + for (replaced = 0; replaced < new; replaced++) + FASTCOPY ((char *)new_builtins[replaced], + (char *)&new_shell_builtins[num_shell_builtins + replaced], + sizeof (struct builtin)); + + new_shell_builtins[total].name = (char *)0; + new_shell_builtins[total].function = (sh_builtin_func_t *)0; + new_shell_builtins[total].flags = 0; + + if (shell_builtins != static_shell_builtins) + free (shell_builtins); + + shell_builtins = new_shell_builtins; + num_shell_builtins = total; + initialize_shell_builtins (); + } + + free (new_builtins); + return (EXECUTION_SUCCESS); +} +#endif + +#if defined (HAVE_DLCLOSE) +static void +delete_builtin (b) + struct builtin *b; +{ + int ind, size; + struct builtin *new_shell_builtins; + + /* XXX - funky pointer arithmetic - XXX */ +#ifdef __STDC__ + ind = b - shell_builtins; +#else + ind = ((int)b - (int)shell_builtins) / sizeof (struct builtin); +#endif + size = num_shell_builtins * sizeof (struct builtin); + new_shell_builtins = (struct builtin *)xmalloc (size); + + /* Copy shell_builtins[0]...shell_builtins[ind - 1] to new_shell_builtins */ + if (ind) + FASTCOPY ((char *)shell_builtins, (char *)new_shell_builtins, + ind * sizeof (struct builtin)); + /* Copy shell_builtins[ind+1]...shell_builtins[num_shell_builtins to + new_shell_builtins, starting at ind. */ + FASTCOPY ((char *)(&shell_builtins[ind+1]), + (char *)(&new_shell_builtins[ind]), + (num_shell_builtins - ind) * sizeof (struct builtin)); + + if (shell_builtins != static_shell_builtins) + free (shell_builtins); + + /* The result is still sorted. */ + num_shell_builtins--; + shell_builtins = new_shell_builtins; +} + +/* Tenon's MachTen has a dlclose that doesn't return a value, so we + finesse it with a local wrapper. */ +static int +local_dlclose (handle) + void *handle; +{ +#if !defined (__MACHTEN__) + return (dlclose (handle)); +#else /* __MACHTEN__ */ + dlclose (handle); + return ((dlerror () != NULL) ? -1 : 0); +#endif /* __MACHTEN__ */ +} + +static int +dyn_unload_builtin (name) + char *name; +{ + struct builtin *b; + void *handle; + int ref, i; + + b = builtin_address_internal (name, 1); + if (b == 0) + { + sh_notbuiltin (name); + return (EXECUTION_FAILURE); + } + if (b->flags & STATIC_BUILTIN) + { + builtin_error (_("%s: not dynamically loaded"), name); + return (EXECUTION_FAILURE); + } + + handle = (void *)b->handle; + for (ref = i = 0; i < num_shell_builtins; i++) + { + if (shell_builtins[i].handle == b->handle) + ref++; + } + + /* Don't remove the shared object unless the reference count of builtins + using it drops to zero. */ + if (ref == 1 && local_dlclose (handle) != 0) + { + builtin_error (_("%s: cannot delete: %s"), name, dlerror ()); + return (EXECUTION_FAILURE); + } + + /* Now remove this entry from the builtin table and reinitialize. */ + delete_builtin (b); + + return (EXECUTION_SUCCESS); +} +#endif diff --git a/builtins/eval.c b/builtins/eval.c new file mode 100644 index 0000000..0d74d0b --- /dev/null +++ b/builtins/eval.c @@ -0,0 +1,29 @@ +/* eval.c, created from eval.def. */ +#line 22 "./eval.def" + +#line 34 "./eval.def" + +#include <config.h> +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include "../shell.h" +#include "bashgetopt.h" +#include "common.h" + +/* Parse the string that these words make, and execute the command found. */ +int +eval_builtin (list) + WORD_LIST *list; +{ + if (no_options (list)) + return (EX_USAGE); + list = loptend; /* skip over possible `--' */ + + /* Note that parse_and_execute () frees the string it is passed. */ + return (list ? parse_and_execute (string_list (list), "eval", SEVAL_NOHIST) : EXECUTION_SUCCESS); +} diff --git a/builtins/exec.c b/builtins/exec.c new file mode 100644 index 0000000..681eee3 --- /dev/null +++ b/builtins/exec.c @@ -0,0 +1,198 @@ +/* exec.c, created from exec.def. */ +#line 22 "./exec.def" + +#line 43 "./exec.def" + +#include <config.h> + +#include "../bashtypes.h" +#include "posixstat.h" +#include <signal.h> +#include <errno.h> + +#if defined (HAVE_UNISTD_H) +# include <unistd.h> +#endif + +#include "../bashansi.h" +#include "../bashintl.h" + +#include "../shell.h" +#include "../execute_cmd.h" +#include "../findcmd.h" +#if defined (JOB_CONTROL) +# include "../jobs.h" +#endif +#include "../flags.h" +#include "../trap.h" +#if defined (HISTORY) +# include "../bashhist.h" +#endif +#include "common.h" +#include "bashgetopt.h" + +/* Not all systems declare ERRNO in errno.h... and some systems #define it! */ +#if !defined (errno) +extern int errno; +#endif /* !errno */ + +extern int subshell_environment; +extern REDIRECT *redirection_undo_list; + +int no_exit_on_failed_exec; + +/* If the user wants this to look like a login shell, then + prepend a `-' onto NAME and return the new name. */ +static char * +mkdashname (name) + char *name; +{ + char *ret; + + ret = (char *)xmalloc (2 + strlen (name)); + ret[0] = '-'; + strcpy (ret + 1, name); + return ret; +} + +int +exec_builtin (list) + WORD_LIST *list; +{ + int exit_value = EXECUTION_FAILURE; + int cleanenv, login, opt; + char *argv0, *command, **args, **env, *newname, *com2; + + cleanenv = login = 0; + argv0 = (char *)NULL; + + reset_internal_getopt (); + while ((opt = internal_getopt (list, "cla:")) != -1) + { + switch (opt) + { + case 'c': + cleanenv = 1; + break; + case 'l': + login = 1; + break; + case 'a': + argv0 = list_optarg; + break; + default: + builtin_usage (); + return (EX_USAGE); + } + } + list = loptend; + + /* First, let the redirections remain. */ + dispose_redirects (redirection_undo_list); + redirection_undo_list = (REDIRECT *)NULL; + + if (list == 0) + return (EXECUTION_SUCCESS); + +#if defined (RESTRICTED_SHELL) + if (restricted) + { + sh_restricted ((char *)NULL); + return (EXECUTION_FAILURE); + } +#endif /* RESTRICTED_SHELL */ + + args = strvec_from_word_list (list, 1, 0, (int *)NULL); + + /* A command with a slash anywhere in its name is not looked up in $PATH. */ + command = absolute_program (args[0]) ? args[0] : search_for_command (args[0]); + + if (command == 0) + { + sh_notfound (args[0]); + exit_value = EX_NOTFOUND; /* As per Posix.2, 3.14.6 */ + goto failed_exec; + } + + com2 = full_pathname (command); + if (com2) + { + if (command != args[0]) + free (command); + command = com2; + } + + if (argv0) + { + free (args[0]); + args[0] = login ? mkdashname (argv0) : savestring (argv0); + } + else if (login) + { + newname = mkdashname (args[0]); + free (args[0]); + args[0] = newname; + } + + /* Decrement SHLVL by 1 so a new shell started here has the same value, + preserving the appearance. After we do that, we need to change the + exported environment to include the new value. */ + if (cleanenv == 0) + adjust_shell_level (-1); + + if (cleanenv) + env = (char **)NULL; + else + { + maybe_make_export_env (); + env = export_env; + } + +#if defined (HISTORY) + if (interactive_shell && subshell_environment == 0) + maybe_save_shell_history (); +#endif /* HISTORY */ + + restore_original_signals (); + +#if defined (JOB_CONTROL) + if (subshell_environment == 0) + end_job_control (); +#endif /* JOB_CONTROL */ + + shell_execve (command, args, env); + + /* We have to set this to NULL because shell_execve has called realloc() + to stuff more items at the front of the array, which may have caused + the memory to be freed by realloc(). We don't want to free it twice. */ + args = (char **)NULL; + if (cleanenv == 0) + adjust_shell_level (1); + + if (executable_file (command) == 0) + { + builtin_error (_("%s: cannot execute: %s"), command, strerror (errno)); + exit_value = EX_NOEXEC; /* As per Posix.2, 3.14.6 */ + } + else + file_error (command); + +failed_exec: + FREE (command); + + if (subshell_environment || (interactive == 0 && no_exit_on_failed_exec == 0)) + exit_shell (exit_value); + + if (args) + strvec_dispose (args); + + initialize_traps (); + initialize_signals (1); + +#if defined (JOB_CONTROL) + if (interactive_shell || job_control) + restart_job_control (); +#endif /* JOB_CONTROL */ + + return (exit_value); +} diff --git a/builtins/exit.c b/builtins/exit.c new file mode 100644 index 0000000..3a48509 --- /dev/null +++ b/builtins/exit.c @@ -0,0 +1,135 @@ +/* exit.c, created from exit.def. */ +#line 22 "./exit.def" + +#line 31 "./exit.def" + +#include <config.h> + +#include "../bashtypes.h" +#include <stdio.h> + +#if defined (HAVE_UNISTD_H) +# include <unistd.h> +#endif + +#include "../bashintl.h" + +#include "../shell.h" +#include "../jobs.h" + +#include "common.h" +#include "builtext.h" /* for jobs_builtin */ + +extern int check_jobs_at_exit; +extern int last_command_exit_value; +extern int running_trap, trap_saved_exit_value; +extern int subshell_environment; +extern sh_builtin_func_t *this_shell_builtin; +extern sh_builtin_func_t *last_shell_builtin; + +static int exit_or_logout __P((WORD_LIST *)); +static int sourced_logout; + +int +exit_builtin (list) + WORD_LIST *list; +{ + if (interactive) + { + fprintf (stderr, login_shell ? _("logout\n") : "exit\n"); + fflush (stderr); + } + + return (exit_or_logout (list)); +} + +#line 80 "./exit.def" + +/* How to logout. */ +int +logout_builtin (list) + WORD_LIST *list; +{ + if (login_shell == 0 /* && interactive */) + { + builtin_error (_("not login shell: use `exit'")); + return (EXECUTION_FAILURE); + } + else + return (exit_or_logout (list)); +} + +static int +exit_or_logout (list) + WORD_LIST *list; +{ + int exit_value; + +#if defined (JOB_CONTROL) + int exit_immediate_okay, stopmsg; + + exit_immediate_okay = (interactive == 0 || + last_shell_builtin == exit_builtin || + last_shell_builtin == logout_builtin || + last_shell_builtin == jobs_builtin); + + /* Check for stopped jobs if the user wants to. */ + if (exit_immediate_okay == 0) + { + register int i; + for (i = stopmsg = 0; i < js.j_jobslots; i++) + if (jobs[i] && STOPPED (i)) + stopmsg = JSTOPPED; + else if (check_jobs_at_exit && stopmsg == 0 && jobs[i] && RUNNING (i)) + stopmsg = JRUNNING; + + if (stopmsg == JSTOPPED) + fprintf (stderr, _("There are stopped jobs.\n")); + else if (stopmsg == JRUNNING) + fprintf (stderr, _("There are running jobs.\n")); + + if (stopmsg && check_jobs_at_exit) + list_all_jobs (JLIST_STANDARD); + + if (stopmsg) + { + /* This is NOT superfluous because EOF can get here without + going through the command parser. Set both last and this + so that either `exit', `logout', or ^D will work to exit + immediately if nothing intervenes. */ + this_shell_builtin = last_shell_builtin = exit_builtin; + return (EXECUTION_FAILURE); + } + } +#endif /* JOB_CONTROL */ + + /* Get return value if present. This means that you can type + `logout 5' to a shell, and it returns 5. */ + + /* If we're running the exit trap (running_trap == 1, since running_trap + gets set to SIG+1), and we don't have a argument given to `exit' + (list == 0), use the exit status we saved before running the trap + commands (trap_saved_exit_value). */ + exit_value = (running_trap == 1 && list == 0) ? trap_saved_exit_value : get_exitstat (list); + + bash_logout (); + + last_command_exit_value = exit_value; + + /* Exit the program. */ + jump_to_top_level (EXITPROG); + /*NOTREACHED*/ +} + +void +bash_logout () +{ + /* Run our `~/.bash_logout' file if it exists, and this is a login shell. */ + if (login_shell && sourced_logout++ == 0 && subshell_environment == 0) + { + maybe_execute_file ("~/.bash_logout", 1); +#ifdef SYS_BASH_LOGOUT + maybe_execute_file (SYS_BASH_LOGOUT, 1); +#endif + } +} diff --git a/builtins/fc.c b/builtins/fc.c new file mode 100644 index 0000000..b0f9361 --- /dev/null +++ b/builtins/fc.c @@ -0,0 +1,619 @@ +/* fc.c, created from fc.def. */ +#line 22 "./fc.def" + +#line 51 "./fc.def" + +#include <config.h> + +#if defined (HISTORY) +#ifndef _MINIX +# include <sys/param.h> +#endif +#include "../bashtypes.h" +#include "posixstat.h" +#if ! defined(_MINIX) && defined (HAVE_SYS_FILE_H) +# include <sys/file.h> +#endif + +#if defined (HAVE_UNISTD_H) +# include <unistd.h> +#endif + +#include <stdio.h> +#include <chartypes.h> + +#include "../bashansi.h" +#include "../bashintl.h" +#include <errno.h> + +#include "../shell.h" +#include "../builtins.h" +#include "../flags.h" +#include "../bashhist.h" +#include "maxpath.h" +#include <readline/history.h> +#include "bashgetopt.h" +#include "common.h" + +#if !defined (errno) +extern int errno; +#endif /* !errno */ + +extern int current_command_line_count; +extern int literal_history; +extern int posixly_correct; +extern int subshell_environment, interactive_shell; + +extern int unlink __P((const char *)); + +extern FILE *sh_mktmpfp __P((char *, int, char **)); + +/* **************************************************************** */ +/* */ +/* The K*rn shell style fc command (Fix Command) */ +/* */ +/* **************************************************************** */ + +/* fc builtin command (fix command) for Bash for those who + like K*rn-style history better than csh-style. + + fc [-e ename] [-nlr] [first] [last] + + FIRST and LAST can be numbers specifying the range, or FIRST can be + a string, which means the most recent command beginning with that + string. + + -e ENAME selects which editor to use. Default is FCEDIT, then EDITOR, + then the editor which corresponds to the current readline editing + mode, then vi. + + -l means list lines instead of editing. + -n means no line numbers listed. + -r means reverse the order of the lines (making it newest listed first). + + fc -e - [pat=rep ...] [command] + fc -s [pat=rep ...] [command] + + Equivalent to !command:sg/pat/rep execpt there can be multiple PAT=REP's. +*/ + +/* Data structure describing a list of global replacements to perform. */ +typedef struct repl { + struct repl *next; + char *pat; + char *rep; +} REPL; + +/* Accessors for HIST_ENTRY lists that are called HLIST. */ +#define histline(i) (hlist[(i)]->line) +#define histdata(i) (hlist[(i)]->data) + +#define FREE_RLIST() \ + do { \ + for (rl = rlist; rl; ) { \ + REPL *r; \ + r = rl->next; \ + if (rl->pat) \ + free (rl->pat); \ + if (rl->rep) \ + free (rl->rep); \ + free (rl); \ + rl = r; \ + } \ + } while (0) + +static char *fc_dosubs __P((char *, REPL *)); +static char *fc_gethist __P((char *, HIST_ENTRY **)); +static int fc_gethnum __P((char *, HIST_ENTRY **)); +static int fc_number __P((WORD_LIST *)); +static void fc_replhist __P((char *)); +#ifdef INCLUDE_UNUSED +static char *fc_readline __P((FILE *)); +static void fc_addhist __P((char *)); +#endif + +/* String to execute on a file that we want to edit. */ +#define FC_EDIT_COMMAND "${FCEDIT:-${EDITOR:-vi}}" +#if defined (STRICT_POSIX) +# define POSIX_FC_EDIT_COMMAND "${FCEDIT:-ed}" +#else +# define POSIX_FC_EDIT_COMMAND "${FCEDIT:-${EDITOR:-ed}}" +#endif + +int +fc_builtin (list) + WORD_LIST *list; +{ + register int i; + register char *sep; + int numbering, reverse, listing, execute; + int histbeg, histend, last_hist, retval, opt, rh; + FILE *stream; + REPL *rlist, *rl; + char *ename, *command, *newcom, *fcedit; + HIST_ENTRY **hlist; + char *fn; + + numbering = 1; + reverse = listing = execute = 0; + ename = (char *)NULL; + + /* Parse out the options and set which of the two forms we're in. */ + reset_internal_getopt (); + lcurrent = list; /* XXX */ + while (fc_number (loptend = lcurrent) == 0 && + (opt = internal_getopt (list, ":e:lnrs")) != -1) + { + switch (opt) + { + case 'n': + numbering = 0; + break; + + case 'l': + listing = 1; + break; + + case 'r': + reverse = 1; + break; + + case 's': + execute = 1; + break; + + case 'e': + ename = list_optarg; + break; + + default: + builtin_usage (); + return (EX_USAGE); + } + } + + list = loptend; + + if (ename && (*ename == '-') && (ename[1] == '\0')) + execute = 1; + + /* The "execute" form of the command (re-run, with possible string + substitutions). */ + if (execute) + { + rlist = (REPL *)NULL; + while (list && ((sep = (char *)strchr (list->word->word, '=')) != NULL)) + { + *sep++ = '\0'; + rl = (REPL *)xmalloc (sizeof (REPL)); + rl->next = (REPL *)NULL; + rl->pat = savestring (list->word->word); + rl->rep = savestring (sep); + + if (rlist == NULL) + rlist = rl; + else + { + rl->next = rlist; + rlist = rl; + } + list = list->next; + } + + /* If we have a list of substitutions to do, then reverse it + to get the replacements in the proper order. */ + + rlist = REVERSE_LIST (rlist, REPL *); + + hlist = history_list (); + + /* If we still have something in list, it is a command spec. + Otherwise, we use the most recent command in time. */ + command = fc_gethist (list ? list->word->word : (char *)NULL, hlist); + + if (command == NULL) + { + builtin_error (_("no command found")); + if (rlist) + FREE_RLIST (); + + return (EXECUTION_FAILURE); + } + + if (rlist) + { + newcom = fc_dosubs (command, rlist); + free (command); + FREE_RLIST (); + command = newcom; + } + + fprintf (stderr, "%s\n", command); + fc_replhist (command); /* replace `fc -s' with command */ + /* Posix says that the re-executed commands should be entered into the + history. */ + return (parse_and_execute (command, "fc", SEVAL_NOHIST)); + } + + /* This is the second form of the command (the list-or-edit-and-rerun + form). */ + hlist = history_list (); + if (hlist == 0) + return (EXECUTION_SUCCESS); + for (i = 0; hlist[i]; i++); + + /* With the Bash implementation of history, the current command line + ("fc blah..." and so on) is already part of the history list by + the time we get to this point. This just skips over that command + and makes the last command that this deals with be the last command + the user entered before the fc. We need to check whether the + line was actually added (HISTIGNORE may have caused it to not be), + so we check hist_last_line_added. */ + + /* Even though command substitution through parse_and_execute turns off + remember_on_history, command substitution in a shell when set -o history + has been enabled (interactive or not) should use it in the last_hist + calculation as if it were on. */ + rh = remember_on_history || ((subshell_environment & SUBSHELL_COMSUB) && enable_history_list); + last_hist = i - rh - hist_last_line_added; + + if (list) + { + histbeg = fc_gethnum (list->word->word, hlist); + list = list->next; + + if (list) + histend = fc_gethnum (list->word->word, hlist); + else + histend = listing ? last_hist : histbeg; + } + else + { + /* The default for listing is the last 16 history items. */ + if (listing) + { + histend = last_hist; + histbeg = histend - 16 + 1; /* +1 because loop below uses >= */ + if (histbeg < 0) + histbeg = 0; + } + else + /* For editing, it is the last history command. */ + histbeg = histend = last_hist; + } + + /* "When not listing, the fc command that caused the editing shall not be + entered into the history list." */ + if (listing == 0 && hist_last_line_added) + { + bash_delete_last_history (); + /* If we're editing a single command -- the last command in the + history -- and we just removed the dummy command added by + edit_and_execute_command (), we need to check whether or not we + just removed the last command in the history and need to back + the pointer up. remember_on_history is off because we're running + in parse_and_execute(). */ + if (histbeg == histend && histend == last_hist && hlist[last_hist] == 0) + last_hist = histbeg = --histend; + } + + /* We print error messages for line specifications out of range. */ + if ((histbeg < 0) || (histend < 0)) + { + sh_erange ((char *)NULL, _("history specification")); + return (EXECUTION_FAILURE); + } + + if (histend < histbeg) + { + i = histend; + histend = histbeg; + histbeg = i; + + reverse = 1; + } + + if (listing) + stream = stdout; + else + { + numbering = 0; + stream = sh_mktmpfp ("bash-fc", MT_USERANDOM|MT_USETMPDIR, &fn); + if (stream == 0) + { + builtin_error (_("%s: cannot open temp file: %s"), fn ? fn : "", strerror (errno)); + FREE (fn); + return (EXECUTION_FAILURE); + } + } + + for (i = reverse ? histend : histbeg; reverse ? i >= histbeg : i <= histend; reverse ? i-- : i++) + { + QUIT; + if (numbering) + fprintf (stream, "%d", i + history_base); + if (listing) + { + if (posixly_correct) + fputs ("\t", stream); + else + fprintf (stream, "\t%c", histdata (i) ? '*' : ' '); + } + fprintf (stream, "%s\n", histline (i)); + } + + if (listing) + return (sh_chkwrite (EXECUTION_SUCCESS)); + + fflush (stream); + if (ferror (stream)) + { + sh_wrerror (); + fclose (stream); + return (EXECUTION_FAILURE); + } + fclose (stream); + + /* Now edit the file of commands. */ + if (ename) + { + command = (char *)xmalloc (strlen (ename) + strlen (fn) + 2); + sprintf (command, "%s %s", ename, fn); + } + else + { + fcedit = posixly_correct ? POSIX_FC_EDIT_COMMAND : FC_EDIT_COMMAND; + command = (char *)xmalloc (3 + strlen (fcedit) + strlen (fn)); + sprintf (command, "%s %s", fcedit, fn); + } + retval = parse_and_execute (command, "fc", SEVAL_NOHIST); + if (retval != EXECUTION_SUCCESS) + { + unlink (fn); + free (fn); + return (EXECUTION_FAILURE); + } + + /* Make sure parse_and_execute doesn't turn this off, even though a + call to parse_and_execute farther up the function call stack (e.g., + if this is called by vi_edit_and_execute_command) may have already + called bash_history_disable. */ + remember_on_history = 1; + + /* Turn on the `v' flag while fc_execute_file runs so the commands + will be echoed as they are read by the parser. */ + begin_unwind_frame ("fc builtin"); + add_unwind_protect ((Function *)xfree, fn); + add_unwind_protect (unlink, fn); + unwind_protect_int (echo_input_at_read); + echo_input_at_read = 1; + + retval = fc_execute_file (fn); + + run_unwind_frame ("fc builtin"); + + return (retval); +} + +/* Return 1 if LIST->word->word is a legal number for fc's use. */ +static int +fc_number (list) + WORD_LIST *list; +{ + char *s; + + if (list == 0) + return 0; + s = list->word->word; + if (*s == '-') + s++; + return (legal_number (s, (intmax_t *)NULL)); +} + +/* Return an absolute index into HLIST which corresponds to COMMAND. If + COMMAND is a number, then it was specified in relative terms. If it + is a string, then it is the start of a command line present in HLIST. */ +static int +fc_gethnum (command, hlist) + char *command; + HIST_ENTRY **hlist; +{ + int sign, n, clen, rh; + register int i, j; + register char *s; + + sign = 1; + /* Count history elements. */ + for (i = 0; hlist[i]; i++); + + /* With the Bash implementation of history, the current command line + ("fc blah..." and so on) is already part of the history list by + the time we get to this point. This just skips over that command + and makes the last command that this deals with be the last command + the user entered before the fc. We need to check whether the + line was actually added (HISTIGNORE may have caused it to not be), + so we check hist_last_line_added. This needs to agree with the + calculation of last_hist in fc_builtin above. */ + /* Even though command substitution through parse_and_execute turns off + remember_on_history, command substitution in a shell when set -o history + has been enabled (interactive or not) should use it in the last_hist + calculation as if it were on. */ + rh = remember_on_history || ((subshell_environment & SUBSHELL_COMSUB) && enable_history_list); + i -= rh + hist_last_line_added; + + /* No specification defaults to most recent command. */ + if (command == NULL) + return (i); + + /* Otherwise, there is a specification. It can be a number relative to + the current position, or an absolute history number. */ + s = command; + + /* Handle possible leading minus sign. */ + if (s && (*s == '-')) + { + sign = -1; + s++; + } + + if (s && DIGIT(*s)) + { + n = atoi (s); + n *= sign; + + /* If the value is negative or zero, then it is an offset from + the current history item. */ + if (n < 0) + { + n += i + 1; + return (n < 0 ? 0 : n); + } + else if (n == 0) + return (i); + else + { + n -= history_base; + return (i < n ? i : n); + } + } + + clen = strlen (command); + for (j = i; j >= 0; j--) + { + if (STREQN (command, histline (j), clen)) + return (j); + } + return (-1); +} + +/* Locate the most recent history line which begins with + COMMAND in HLIST, and return a malloc()'ed copy of it. */ +static char * +fc_gethist (command, hlist) + char *command; + HIST_ENTRY **hlist; +{ + int i; + + if (hlist == 0) + return ((char *)NULL); + + i = fc_gethnum (command, hlist); + + if (i >= 0) + return (savestring (histline (i))); + else + return ((char *)NULL); +} + +#ifdef INCLUDE_UNUSED +/* Read the edited history lines from STREAM and return them + one at a time. This can read unlimited length lines. The + caller should free the storage. */ +static char * +fc_readline (stream) + FILE *stream; +{ + register int c; + int line_len = 0, lindex = 0; + char *line = (char *)NULL; + + while ((c = getc (stream)) != EOF) + { + if ((lindex + 2) >= line_len) + line = (char *)xrealloc (line, (line_len += 128)); + + if (c == '\n') + { + line[lindex++] = '\n'; + line[lindex++] = '\0'; + return (line); + } + else + line[lindex++] = c; + } + + if (!lindex) + { + if (line) + free (line); + + return ((char *)NULL); + } + + if (lindex + 2 >= line_len) + line = (char *)xrealloc (line, lindex + 3); + + line[lindex++] = '\n'; /* Finish with newline if none in file */ + line[lindex++] = '\0'; + return (line); +} +#endif + +/* Perform the SUBS on COMMAND. + SUBS is a list of substitutions, and COMMAND is a simple string. + Return a pointer to a malloc'ed string which contains the substituted + command. */ +static char * +fc_dosubs (command, subs) + char *command; + REPL *subs; +{ + register char *new, *t; + register REPL *r; + + for (new = savestring (command), r = subs; r; r = r->next) + { + t = strsub (new, r->pat, r->rep, 1); + free (new); + new = t; + } + return (new); +} + +/* Use `command' to replace the last entry in the history list, which, + by this time, is `fc blah...'. The intent is that the new command + become the history entry, and that `fc' should never appear in the + history list. This way you can do `r' to your heart's content. */ +static void +fc_replhist (command) + char *command; +{ + int n; + + if (command == 0 || *command == '\0') + return; + + n = strlen (command); + if (command[n - 1] == '\n') + command[n - 1] = '\0'; + + if (command && *command) + { + bash_delete_last_history (); + maybe_add_history (command); /* Obeys HISTCONTROL setting. */ + } +} + +#ifdef INCLUDE_UNUSED +/* Add LINE to the history, after removing a single trailing newline. */ +static void +fc_addhist (line) + char *line; +{ + register int n; + + if (line == 0 || *line == 0) + return; + + n = strlen (line); + + if (line[n - 1] == '\n') + line[n - 1] = '\0'; + + if (line && *line) + maybe_add_history (line); /* Obeys HISTCONTROL setting. */ +} +#endif + +#endif /* HISTORY */ diff --git a/builtins/fg_bg.c b/builtins/fg_bg.c new file mode 100644 index 0000000..874bdc2 --- /dev/null +++ b/builtins/fg_bg.c @@ -0,0 +1,143 @@ +/* fg_bg.c, created from fg_bg.def. */ +#line 22 "./fg_bg.def" + +#line 36 "./fg_bg.def" + +#include <config.h> + +#include "../bashtypes.h" +#include <signal.h> + +#if defined (HAVE_UNISTD_H) +# include <unistd.h> +#endif + +#include "../bashintl.h" + +#include "../shell.h" +#include "../jobs.h" +#include "common.h" +#include "bashgetopt.h" + +#if defined (JOB_CONTROL) +extern char *this_command_name; + +static int fg_bg __P((WORD_LIST *, int)); + +/* How to bring a job into the foreground. */ +int +fg_builtin (list) + WORD_LIST *list; +{ + int fg_bit; + register WORD_LIST *t; + + if (job_control == 0) + { + sh_nojobs ((char *)NULL); + return (EXECUTION_FAILURE); + } + + if (no_options (list)) + return (EX_USAGE); + list = loptend; + + /* If the last arg on the line is '&', then start this job in the + background. Else, fg the job. */ + for (t = list; t && t->next; t = t->next) + ; + fg_bit = (t && t->word->word[0] == '&' && t->word->word[1] == '\0') == 0; + + return (fg_bg (list, fg_bit)); +} +#endif /* JOB_CONTROL */ + +#line 99 "./fg_bg.def" + +#if defined (JOB_CONTROL) +/* How to put a job into the background. */ +int +bg_builtin (list) + WORD_LIST *list; +{ + int r; + + if (job_control == 0) + { + sh_nojobs ((char *)NULL); + return (EXECUTION_FAILURE); + } + + if (no_options (list)) + return (EX_USAGE); + list = loptend; + + /* This relies on the fact that fg_bg() takes a WORD_LIST *, but only acts + on the first member (if any) of that list. */ + r = EXECUTION_SUCCESS; + do + { + if (fg_bg (list, 0) == EXECUTION_FAILURE) + r = EXECUTION_FAILURE; + if (list) + list = list->next; + } + while (list); + + return r; +} + +/* How to put a job into the foreground/background. */ +static int +fg_bg (list, foreground) + WORD_LIST *list; + int foreground; +{ + sigset_t set, oset; + int job, status, old_async_pid; + JOB *j; + + BLOCK_CHILD (set, oset); + job = get_job_spec (list); + + if (INVALID_JOB (job)) + { + if (job != DUP_JOB) + sh_badjob (list ? list->word->word : _("current")); + + goto failure; + } + + j = get_job_by_jid (job); + /* Or if j->pgrp == shell_pgrp. */ + if (IS_JOBCONTROL (job) == 0) + { + builtin_error (_("job %d started without job control"), job + 1); + goto failure; + } + + if (foreground == 0) + { + old_async_pid = last_asynchronous_pid; + last_asynchronous_pid = j->pgrp; /* As per Posix.2 5.4.2 */ + } + + status = start_job (job, foreground); + + if (status >= 0) + { + /* win: */ + UNBLOCK_CHILD (oset); + return (foreground ? status : EXECUTION_SUCCESS); + } + else + { + if (foreground == 0) + last_asynchronous_pid = old_async_pid; + + failure: + UNBLOCK_CHILD (oset); + return (EXECUTION_FAILURE); + } +} +#endif /* JOB_CONTROL */ diff --git a/builtins/getopts.c b/builtins/getopts.c new file mode 100644 index 0000000..ce50c1a --- /dev/null +++ b/builtins/getopts.c @@ -0,0 +1,270 @@ +/* getopts.c, created from getopts.def. */ +#line 22 "./getopts.def" + +#line 64 "./getopts.def" + +#include <config.h> + +#include <stdio.h> + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include "../bashansi.h" + +#include "../shell.h" +#include "common.h" +#include "bashgetopt.h" +#include "getopt.h" + +#define G_EOF -1 +#define G_INVALID_OPT -2 +#define G_ARG_MISSING -3 + +extern char *this_command_name; + +static int getopts_bind_variable __P((char *, char *)); +static int dogetopts __P((int, char **)); + +/* getopts_reset is magic code for when OPTIND is reset. N is the + value that has just been assigned to OPTIND. */ +void +getopts_reset (newind) + int newind; +{ + sh_optind = newind; + sh_badopt = 0; +} + +static int +getopts_bind_variable (name, value) + char *name, *value; +{ + SHELL_VAR *v; + + if (legal_identifier (name)) + { + v = bind_variable (name, value, 0); + return (v && (readonly_p (v) == 0)) ? EXECUTION_SUCCESS : EXECUTION_FAILURE; + } + else + { + sh_invalidid (name); + return (EXECUTION_FAILURE); + } +} + +/* Error handling is now performed as specified by Posix.2, draft 11 + (identical to that of ksh-88). The special handling is enabled if + the first character of the option string is a colon; this handling + disables diagnostic messages concerning missing option arguments + and invalid option characters. The handling is as follows. + + INVALID OPTIONS: + name -> "?" + if (special_error) then + OPTARG = option character found + no error output + else + OPTARG unset + diagnostic message + fi + + MISSING OPTION ARGUMENT; + if (special_error) then + name -> ":" + OPTARG = option character found + else + name -> "?" + OPTARG unset + diagnostic message + fi + */ + +static int +dogetopts (argc, argv) + int argc; + char **argv; +{ + int ret, special_error, old_opterr, i, n; + char strval[2], numval[16]; + char *optstr; /* list of options */ + char *name; /* variable to get flag val */ + char *t; + + if (argc < 3) + { + builtin_usage (); + return (EX_USAGE); + } + + /* argv[0] is "getopts". */ + + optstr = argv[1]; + name = argv[2]; + argc -= 2; + argv += 2; + + special_error = optstr[0] == ':'; + + if (special_error) + { + old_opterr = sh_opterr; + optstr++; + sh_opterr = 0; /* suppress diagnostic messages */ + } + + if (argc > 1) + { + sh_getopt_restore_state (argv); + t = argv[0]; + argv[0] = dollar_vars[0]; + ret = sh_getopt (argc, argv, optstr); + argv[0] = t; + } + else if (rest_of_args == (WORD_LIST *)NULL) + { + for (i = 0; i < 10 && dollar_vars[i]; i++) + ; + + sh_getopt_restore_state (dollar_vars); + ret = sh_getopt (i, dollar_vars, optstr); + } + else + { + register WORD_LIST *words; + char **v; + + for (i = 0; i < 10 && dollar_vars[i]; i++) + ; + for (words = rest_of_args; words; words = words->next, i++) + ; + v = strvec_create (i + 1); + for (i = 0; i < 10 && dollar_vars[i]; i++) + v[i] = dollar_vars[i]; + for (words = rest_of_args; words; words = words->next, i++) + v[i] = words->word->word; + v[i] = (char *)NULL; + sh_getopt_restore_state (v); + ret = sh_getopt (i, v, optstr); + free (v); + } + + if (special_error) + sh_opterr = old_opterr; + + /* Set the OPTIND variable in any case, to handle "--" skipping. It's + highly unlikely that 14 digits will be too few. */ + if (sh_optind < 10) + { + numval[14] = sh_optind + '0'; + numval[15] = '\0'; + i = 14; + } + else + { + numval[i = 15] = '\0'; + n = sh_optind; + do + { + numval[--i] = (n % 10) + '0'; + } + while (n /= 10); + } + bind_variable ("OPTIND", numval + i, 0); + + /* If an error occurred, decide which one it is and set the return + code appropriately. In all cases, the option character in error + is in OPTOPT. If an invalid option was encountered, OPTARG is + NULL. If a required option argument was missing, OPTARG points + to a NULL string (that is, sh_optarg[0] == 0). */ + if (ret == '?') + { + if (sh_optarg == NULL) + ret = G_INVALID_OPT; + else if (sh_optarg[0] == '\0') + ret = G_ARG_MISSING; + } + + if (ret == G_EOF) + { + unbind_variable ("OPTARG"); + getopts_bind_variable (name, "?"); + return (EXECUTION_FAILURE); + } + + if (ret == G_INVALID_OPT) + { + /* Invalid option encountered. */ + ret = getopts_bind_variable (name, "?"); + + if (special_error) + { + strval[0] = (char)sh_optopt; + strval[1] = '\0'; + bind_variable ("OPTARG", strval, 0); + } + else + unbind_variable ("OPTARG"); + + return (ret); + } + + if (ret == G_ARG_MISSING) + { + /* Required argument missing. */ + if (special_error) + { + ret = getopts_bind_variable (name, ":"); + + strval[0] = (char)sh_optopt; + strval[1] = '\0'; + bind_variable ("OPTARG", strval, 0); + } + else + { + ret = getopts_bind_variable (name, "?"); + unbind_variable ("OPTARG"); + } + return (ret); + } + + bind_variable ("OPTARG", sh_optarg, 0); + + strval[0] = (char) ret; + strval[1] = '\0'; + return (getopts_bind_variable (name, strval)); +} + +/* The getopts builtin. Build an argv, and call dogetopts with it. */ +int +getopts_builtin (list) + WORD_LIST *list; +{ + char **av; + int ac, ret; + + if (list == 0) + { + builtin_usage (); + return EX_USAGE; + } + + reset_internal_getopt (); + if (internal_getopt (list, "") != -1) + { + builtin_usage (); + return (EX_USAGE); + } + list = loptend; + + av = make_builtin_argv (list, &ac); + ret = dogetopts (ac, av); + free ((char *)av); + + return (ret); +} diff --git a/builtins/hash.c b/builtins/hash.c new file mode 100644 index 0000000..05e5aa9 --- /dev/null +++ b/builtins/hash.c @@ -0,0 +1,240 @@ +/* hash.c, created from hash.def. */ +#line 22 "./hash.def" + +#line 46 "./hash.def" + +#include <config.h> + +#include <stdio.h> + +#include "../bashtypes.h" + +#if defined (HAVE_UNISTD_H) +# include <unistd.h> +#endif + +#include <errno.h> + +#include "../bashansi.h" +#include "../bashintl.h" + +#include "../shell.h" +#include "../builtins.h" +#include "../flags.h" +#include "../findcmd.h" +#include "../hashcmd.h" +#include "common.h" +#include "bashgetopt.h" + +extern int posixly_correct; +extern int dot_found_in_search; +extern char *this_command_name; + +static int add_hashed_command __P((char *, int)); +static int print_hash_info __P((BUCKET_CONTENTS *)); +static int print_portable_hash_info __P((BUCKET_CONTENTS *)); +static int print_hashed_commands __P((int)); +static int list_hashed_filename_targets __P((WORD_LIST *, int)); + +/* Print statistics on the current state of hashed commands. If LIST is + not empty, then rehash (or hash in the first place) the specified + commands. */ +int +hash_builtin (list) + WORD_LIST *list; +{ + int expunge_hash_table, list_targets, list_portably, delete, opt; + char *w, *pathname; + + if (hashing_enabled == 0) + { + builtin_error (_("hashing disabled")); + return (EXECUTION_FAILURE); + } + + expunge_hash_table = list_targets = list_portably = delete = 0; + pathname = (char *)NULL; + reset_internal_getopt (); + while ((opt = internal_getopt (list, "dlp:rt")) != -1) + { + switch (opt) + { + case 'd': + delete = 1; + break; + case 'l': + list_portably = 1; + break; + case 'p': + pathname = list_optarg; + break; + case 'r': + expunge_hash_table = 1; + break; + case 't': + list_targets = 1; + break; + default: + builtin_usage (); + return (EX_USAGE); + } + } + list = loptend; + + /* hash -t requires at least one argument. */ + if (list == 0 && list_targets) + { + sh_needarg ("-t"); + return (EXECUTION_FAILURE); + } + + /* We want hash -r to be silent, but hash -- to print hashing info, so + we test expunge_hash_table. */ + if (list == 0 && expunge_hash_table == 0) + { + opt = print_hashed_commands (list_portably); + if (opt == 0 && posixly_correct == 0) + printf (_("%s: hash table empty\n"), this_command_name); + + return (EXECUTION_SUCCESS); + } + + if (expunge_hash_table) + phash_flush (); + + /* If someone runs `hash -r -t xyz' he will be disappointed. */ + if (list_targets) + return (list_hashed_filename_targets (list, list_portably)); + +#if defined (RESTRICTED_SHELL) + if (restricted && pathname && strchr (pathname, '/')) + { + sh_restricted (pathname); + return (EXECUTION_FAILURE); + } +#endif + + for (opt = EXECUTION_SUCCESS; list; list = list->next) + { + /* Add, remove or rehash the specified commands. */ + w = list->word->word; + if (pathname) + { + if (is_directory (pathname)) + { +#ifdef EISDIR + builtin_error ("%s: %s", pathname, strerror (EISDIR)); +#else + builtin_error (_("%s: is a directory"), pathname); +#endif + opt = EXECUTION_FAILURE; + } + else + phash_insert (w, pathname, 0, 0); + } + else if (absolute_program (w)) + continue; + else if (delete) + { + if (phash_remove (w)) + { + sh_notfound (w); + opt = EXECUTION_FAILURE; + } + } + else if (add_hashed_command (w, 0)) + opt = EXECUTION_FAILURE; + } + + fflush (stdout); + return (opt); +} + +static int +add_hashed_command (w, quiet) + char *w; + int quiet; +{ + int rv; + char *full_path; + + rv = 0; + if (find_function (w) == 0 && find_shell_builtin (w) == 0) + { + full_path = find_user_command (w); + if (full_path && executable_file (full_path)) + phash_insert (w, full_path, dot_found_in_search, 0); + else + { + if (quiet == 0) + sh_notfound (w); + rv++; + } + FREE (full_path); + } + return (rv); +} + +/* Print information about current hashed info. */ +static int +print_hash_info (item) + BUCKET_CONTENTS *item; +{ + printf ("%4d\t%s\n", item->times_found, pathdata(item)->path); + return 0; +} + +static int +print_portable_hash_info (item) + BUCKET_CONTENTS *item; +{ + printf ("builtin hash -p %s %s\n", pathdata(item)->path, item->key); + return 0; +} + +static int +print_hashed_commands (fmt) + int fmt; +{ + if (hashed_filenames == 0 || HASH_ENTRIES (hashed_filenames) == 0) + return (0); + + if (fmt == 0) + printf (_("hits\tcommand\n")); + hash_walk (hashed_filenames, fmt ? print_portable_hash_info : print_hash_info); + return (1); +} + +static int +list_hashed_filename_targets (list, fmt) + WORD_LIST *list; + int fmt; +{ + int all_found, multiple; + char *target; + WORD_LIST *l; + + all_found = 1; + multiple = list->next != 0; + + for (l = list; l; l = l->next) + { + target = phash_search (l->word->word); + if (target == 0) + { + all_found = 0; + sh_notfound (l->word->word); + continue; + } + if (fmt) + printf ("builtin hash -p %s %s\n", target, l->word->word); + else + { + if (multiple) + printf ("%s\t", l->word->word); + printf ("%s\n", target); + } + } + + return (all_found ? EXECUTION_SUCCESS : EXECUTION_FAILURE); +} diff --git a/builtins/help.c b/builtins/help.c new file mode 100644 index 0000000..d274535 --- /dev/null +++ b/builtins/help.c @@ -0,0 +1,345 @@ +/* help.c, created from help.def. */ +#line 22 "./help.def" + +#line 45 "./help.def" + +#include <config.h> + +#if defined (HELP_BUILTIN) +#include <stdio.h> + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include <errno.h> + +#include <filecntl.h> + +#include "../bashintl.h" + +#include "../shell.h" +#include "../builtins.h" +#include "../pathexp.h" +#include "common.h" +#include "bashgetopt.h" + +#include <glob/strmatch.h> +#include <glob/glob.h> + +#ifndef errno +extern int errno; +#endif + +extern const char * const bash_copyright; +extern const char * const bash_license; + +static void show_builtin_command_help __P((void)); +static int open_helpfile __P((char *)); +static void show_desc __P((char *, int)); +static void show_manpage __P((char *, int)); +static void show_longdoc __P((int)); + +/* Print out a list of the known functions in the shell, and what they do. + If LIST is supplied, print out the list which matches for each pattern + specified. */ +int +help_builtin (list) + WORD_LIST *list; +{ + register int i; + char *pattern, *name; + int plen, match_found, sflag, dflag, mflag; + + dflag = sflag = mflag = 0; + reset_internal_getopt (); + while ((i = internal_getopt (list, "dms")) != -1) + { + switch (i) + { + case 'd': + dflag = 1; + break; + case 'm': + mflag = 1; + break; + case 's': + sflag = 1; + break; + default: + builtin_usage (); + return (EX_USAGE); + } + } + list = loptend; + + if (list == 0) + { + show_shell_version (0); + show_builtin_command_help (); + return (EXECUTION_SUCCESS); + } + + /* We should consider making `help bash' do something. */ + + if (glob_pattern_p (list->word->word)) + { + printf (ngettext ("Shell commands matching keyword `", "Shell commands matching keywords `", (list->next ? 2 : 1))); + print_word_list (list, ", "); + printf ("'\n\n"); + } + + for (match_found = 0, pattern = ""; list; list = list->next) + { + pattern = list->word->word; + plen = strlen (pattern); + + for (i = 0; name = shell_builtins[i].name; i++) + { + QUIT; + if ((strncmp (pattern, name, plen) == 0) || + (strmatch (pattern, name, FNMATCH_EXTFLAG) != FNM_NOMATCH)) + { + match_found++; + if (dflag) + { + show_desc (name, i); + continue; + } + else if (mflag) + { + show_manpage (name, i); + continue; + } + + printf ("%s: %s\n", name, shell_builtins[i].short_doc); + + if (sflag == 0) + show_longdoc (i); + } + } + } + + if (match_found == 0) + { + builtin_error (_("no help topics match `%s'. Try `help help' or `man -k %s' or `info %s'."), pattern, pattern, pattern); + return (EXECUTION_FAILURE); + } + + fflush (stdout); + return (EXECUTION_SUCCESS); +} + +static int +open_helpfile (name) + char *name; +{ + int fd; + + fd = open (name, O_RDONLY); + if (fd == -1) + { + builtin_error (_("%s: cannot open: %s"), name, strerror (errno)); + return -1; + } + return fd; +} + +/* By convention, enforced by mkbuiltins.c, if separate help files are being + used, the long_doc array contains one string -- the full pathname of the + help file for this builtin. */ +static void +show_longdoc (i) + int i; +{ + register int j; + char * const *doc; + int fd; + + doc = shell_builtins[i].long_doc; + + if (doc && doc[0] && *doc[0] == '/' && doc[1] == (char *)NULL) + { + fd = open_helpfile (doc[0]); + if (fd < 0) + return; + zcatfd (fd, 1, doc[0]); + close (fd); + } + else + for (j = 0; doc[j]; j++) + printf ("%*s%s\n", BASE_INDENT, " ", _(doc[j])); +} + +static void +show_desc (name, i) + char *name; + int i; +{ + register int j; + char **doc, *line; + int fd, usefile; + + doc = (char **)shell_builtins[i].long_doc; + + usefile = (doc && doc[0] && *doc[0] == '/' && doc[1] == (char *)NULL); + if (usefile) + { + fd = open_helpfile (doc[0]); + if (fd < 0) + return; + zmapfd (fd, &line, doc[0]); + close (fd); + } + else + line = doc ? doc[0] : (char *)NULL; + + printf ("%s - ", name); + for (j = 0; line && line[j]; j++) + { + putchar (line[j]); + if (line[j] == '\n') + break; + } + + fflush (stdout); + + if (usefile) + free (line); +} + +/* Print builtin help in pseudo-manpage format. */ +static void +show_manpage (name, i) + char *name; + int i; +{ + register int j; + char **doc, *line; + int fd, usefile; + + doc = (char **)shell_builtins[i].long_doc; + + usefile = (doc && doc[0] && *doc[0] == '/' && doc[1] == (char *)NULL); + if (usefile) + { + fd = open_helpfile (doc[0]); + if (fd < 0) + return; + zmapfd (fd, &line, doc[0]); + close (fd); + } + else + line = doc ? _(doc[0]) : (char *)NULL; + + /* NAME */ + printf ("NAME\n"); + printf ("%*s%s - ", BASE_INDENT, " ", name); + for (j = 0; line && line[j]; j++) + { + putchar (line[j]); + if (line[j] == '\n') + break; + } + printf ("\n"); + + /* SYNOPSIS */ + printf ("SYNOPSIS\n"); + printf ("%*s%s\n\n", BASE_INDENT, " ", shell_builtins[i].short_doc); + + /* DESCRIPTION */ + printf ("DESCRIPTION\n"); + if (usefile == 0) + { + for (j = 0; doc[j]; j++) + printf ("%*s%s\n", BASE_INDENT, " ", _(doc[j])); + } + else + { + for (j = 0; line && line[j]; j++) + { + putchar (line[j]); + if (line[j] == '\n') + printf ("%*s", BASE_INDENT, " "); + } + } + putchar ('\n'); + + /* SEE ALSO */ + printf ("SEE ALSO\n"); + printf ("%*sbash(1)\n\n", BASE_INDENT, " "); + + /* IMPLEMENTATION */ + printf ("IMPLEMENTATION\n"); + printf ("%*s", BASE_INDENT, " "); + show_shell_version (0); + printf ("%*s", BASE_INDENT, " "); + printf ("%s\n", _(bash_copyright)); + printf ("%*s", BASE_INDENT, " "); + printf ("%s\n", _(bash_license)); + + fflush (stdout); + if (usefile) + free (line); +} + +static void +show_builtin_command_help () +{ + int i, j; + int height, width; + char *t, blurb[128]; + + printf ( +_("These shell commands are defined internally. Type `help' to see this list.\n\ +Type `help name' to find out more about the function `name'.\n\ +Use `info bash' to find out more about the shell in general.\n\ +Use `man -k' or `info' to find out more about commands not in this list.\n\ +\n\ +A star (*) next to a name means that the command is disabled.\n\ +\n")); + + t = get_string_value ("COLUMNS"); + width = (t && *t) ? atoi (t) : 80; + if (width <= 0) + width = 80; + + width /= 2; + if (width > sizeof (blurb)) + width = sizeof (blurb); + if (width <= 3) + width = 40; + height = (num_shell_builtins + 1) / 2; /* number of rows */ + + for (i = 0; i < height; i++) + { + QUIT; + + /* first column */ + blurb[0] = (shell_builtins[i].flags & BUILTIN_ENABLED) ? ' ' : '*'; + strncpy (blurb + 1, shell_builtins[i].short_doc, width - 2); + blurb[width - 2] = '>'; /* indicate truncation */ + blurb[width - 1] = '\0'; + printf ("%s", blurb); + if (((i << 1) >= num_shell_builtins) || (i+height >= num_shell_builtins)) + { + printf ("\n"); + break; + } + + /* two spaces */ + for (j = strlen (blurb); j < width; j++) + putc (' ', stdout); + + /* second column */ + blurb[0] = (shell_builtins[i+height].flags & BUILTIN_ENABLED) ? ' ' : '*'; + strncpy (blurb + 1, shell_builtins[i+height].short_doc, width - 3); + blurb[width - 3] = '>'; /* indicate truncation */ + blurb[width - 2] = '\0'; + printf ("%s\n", blurb); + } +} +#endif /* HELP_BUILTIN */ diff --git a/builtins/history.c b/builtins/history.c new file mode 100644 index 0000000..c5c5818 --- /dev/null +++ b/builtins/history.c @@ -0,0 +1,328 @@ +/* history.c, created from history.def. */ +#line 22 "./history.def" + +#line 57 "./history.def" + +#include <config.h> + +#if defined (HISTORY) +#include "../bashtypes.h" +#if ! defined(_MINIX) && defined (HAVE_SYS_FILE_H) +# include <sys/file.h> +#endif +#include "posixstat.h" +#include "filecntl.h" +#include <errno.h> +#include <stdio.h> +#if defined (HAVE_UNISTD_H) +# include <unistd.h> +#endif + +#include "../bashansi.h" +#include "../bashintl.h" + +#include "../shell.h" +#include "../bashhist.h" +#include <readline/history.h> +#include "bashgetopt.h" +#include "common.h" + +#if !defined (errno) +extern int errno; +#endif + +extern int current_command_line_count; +extern int force_append_history; /* shopt -s histappend */ + +static char *histtime __P((HIST_ENTRY *, const char *)); +static int display_history __P((WORD_LIST *)); +static void push_history __P((WORD_LIST *)); +static int expand_and_print_history __P((WORD_LIST *)); + +#define AFLAG 0x01 +#define RFLAG 0x02 +#define WFLAG 0x04 +#define NFLAG 0x08 +#define SFLAG 0x10 +#define PFLAG 0x20 +#define CFLAG 0x40 +#define DFLAG 0x80 + +int +history_builtin (list) + WORD_LIST *list; +{ + int flags, opt, result, old_history_lines, obase; + char *filename, *delete_arg; + intmax_t delete_offset; + + flags = 0; + reset_internal_getopt (); + while ((opt = internal_getopt (list, "acd:npsrw")) != -1) + { + switch (opt) + { + case 'a': + flags |= AFLAG; + break; + case 'c': + flags |= CFLAG; + break; + case 'n': + flags |= NFLAG; + break; + case 'r': + flags |= RFLAG; + break; + case 'w': + flags |= WFLAG; + break; + case 's': + flags |= SFLAG; + break; + case 'd': + flags |= DFLAG; + delete_arg = list_optarg; + break; + case 'p': +#if defined (BANG_HISTORY) + flags |= PFLAG; +#endif + break; + default: + builtin_usage (); + return (EX_USAGE); + } + } + list = loptend; + + opt = flags & (AFLAG|RFLAG|WFLAG|NFLAG); + if (opt && opt != AFLAG && opt != RFLAG && opt != WFLAG && opt != NFLAG) + { + builtin_error (_("cannot use more than one of -anrw")); + return (EXECUTION_FAILURE); + } + + /* clear the history, but allow other arguments to add to it again. */ + if (flags & CFLAG) + { + bash_clear_history (); + if (list == 0) + return (EXECUTION_SUCCESS); + } + + if (flags & SFLAG) + { + if (list) + push_history (list); + return (EXECUTION_SUCCESS); + } +#if defined (BANG_HISTORY) + else if (flags & PFLAG) + { + if (list) + return (expand_and_print_history (list)); + return (sh_chkwrite (EXECUTION_SUCCESS)); + } +#endif + else if (flags & DFLAG) + { + if ((legal_number (delete_arg, &delete_offset) == 0) + || (delete_offset < history_base) + || (delete_offset > (history_base + history_length))) + { + sh_erange (delete_arg, _("history position")); + return (EXECUTION_FAILURE); + } + opt = delete_offset; + result = bash_delete_histent (opt - history_base); + /* Since remove_history changes history_length, this can happen if + we delete the last history entry. */ + if (where_history () > history_length) + history_set_pos (history_length); + return (result ? EXECUTION_SUCCESS : EXECUTION_FAILURE); + } + else if ((flags & (AFLAG|RFLAG|NFLAG|WFLAG|CFLAG)) == 0) + { + result = display_history (list); + return (sh_chkwrite (result)); + } + + filename = list ? list->word->word : get_string_value ("HISTFILE"); + result = EXECUTION_SUCCESS; + + if (flags & AFLAG) /* Append session's history to file. */ + result = maybe_append_history (filename); + else if (flags & WFLAG) /* Write entire history. */ + result = write_history (filename); + else if (flags & RFLAG) /* Read entire file. */ + result = read_history (filename); + else if (flags & NFLAG) /* Read `new' history from file. */ + { + /* Read all of the lines in the file that we haven't already read. */ + old_history_lines = history_lines_in_file; + obase = history_base; + + using_history (); + result = read_history_range (filename, history_lines_in_file, -1); + using_history (); + + history_lines_in_file = where_history (); + + /* If we're rewriting the history file at shell exit rather than just + appending the lines from this session to it, the question is whether + we reset history_lines_this_session to 0, losing any history entries + we had before we read the new entries from the history file, or + whether we count the new entries we just read from the file as + history lines added during this session. + Right now, we do the latter. This will cause these history entries + to be written to the history file along with any intermediate entries + we add when we do a `history -a', but the alternative is losing + them altogether. */ + if (force_append_history == 0) + history_lines_this_session += history_lines_in_file - old_history_lines + + history_base - obase; + } + + return (result ? EXECUTION_FAILURE : EXECUTION_SUCCESS); +} + +/* Accessors for HIST_ENTRY lists that are called HLIST. */ +#define histline(i) (hlist[(i)]->line) +#define histdata(i) (hlist[(i)]->data) + +static char * +histtime (hlist, histtimefmt) + HIST_ENTRY *hlist; + const char *histtimefmt; +{ + static char timestr[128]; + time_t t; + + t = history_get_time (hlist); + if (t) + strftime (timestr, sizeof (timestr), histtimefmt, localtime (&t)); + else + strcpy (timestr, "??"); + return timestr; +} + +static int +display_history (list) + WORD_LIST *list; +{ + register int i; + intmax_t limit; + HIST_ENTRY **hlist; + char *histtimefmt, *timestr; + + if (list) + { + if (get_numeric_arg (list, 0, &limit) == 0) + return (EXECUTION_FAILURE); + + if (limit < 0) + limit = -limit; + } + else + limit = -1; + + hlist = history_list (); + + if (hlist) + { + for (i = 0; hlist[i]; i++) + ; + + if (0 <= limit && limit < i) + i -= limit; + else + i = 0; + + histtimefmt = get_string_value ("HISTTIMEFORMAT"); + + while (hlist[i]) + { + QUIT; + + timestr = (histtimefmt && *histtimefmt) ? histtime (hlist[i], histtimefmt) : (char *)NULL; + printf ("%5d%c %s%s\n", i + history_base, + histdata(i) ? '*' : ' ', + ((timestr && *timestr) ? timestr : ""), + histline(i)); + i++; + } + } + + return (EXECUTION_SUCCESS); +} + +/* Remove the last entry in the history list and add each argument in + LIST to the history. */ +static void +push_history (list) + WORD_LIST *list; +{ + char *s; + + /* Delete the last history entry if it was a single entry added to the + history list (generally the `history -s' itself), or if `history -s' + is being used in a compound command and the compound command was + added to the history as a single element (command-oriented history). + If you don't want history -s to remove the compound command from the + history, change #if 0 to #if 1 below. */ +#if 0 + if (hist_last_line_pushed == 0 && hist_last_line_added && bash_delete_last_history () == 0) +#else + if (hist_last_line_pushed == 0 && + (hist_last_line_added || + (current_command_line_count > 0 && current_command_first_line_saved && command_oriented_history)) + && bash_delete_last_history () == 0) +#endif + return; + + s = string_list (list); + /* Call check_add_history with FORCE set to 1 to skip the check against + current_command_line_count. If history -s is used in a compound + command, the above code will delete the compound command's history + entry and this call will add the line to the history as a separate + entry. Without FORCE=1, if current_command_line_count were > 1, the + line would be appended to the entry before the just-deleted entry. */ + check_add_history (s, 1); /* obeys HISTCONTROL, HISTIGNORE */ + + hist_last_line_pushed = 1; /* XXX */ + free (s); +} + +#if defined (BANG_HISTORY) +static int +expand_and_print_history (list) + WORD_LIST *list; +{ + char *s; + int r, result; + + if (hist_last_line_pushed == 0 && hist_last_line_added && bash_delete_last_history () == 0) + return EXECUTION_FAILURE; + result = EXECUTION_SUCCESS; + while (list) + { + r = history_expand (list->word->word, &s); + if (r < 0) + { + builtin_error (_("%s: history expansion failed"), list->word->word); + result = EXECUTION_FAILURE; + } + else + { + fputs (s, stdout); + putchar ('\n'); + } + FREE (s); + list = list->next; + } + fflush (stdout); + return result; +} +#endif /* BANG_HISTORY */ +#endif /* HISTORY */ diff --git a/builtins/inlib.c b/builtins/inlib.c new file mode 100644 index 0000000..8e218b1 --- /dev/null +++ b/builtins/inlib.c @@ -0,0 +1,46 @@ +/* inlib.c, created from inlib.def. */ +#line 22 "./inlib.def" +#include <config.h> + +#include <stdio.h> +#include "../shell.h" + +#line 43 "./inlib.def" + +#if defined (apollo) + +#include <apollo/base.h> +#include <apollo/loader.h> + +inlib_builtin (list) + WORD_LIST *list; +{ + status_$t status; + int return_value; + short len; + + if (!list) + { + builtin_usage (); + return (EX_USAGE); + } + + return_value = EXECUTION_SUCCESS; + + while (list) + { + len = (short)strlen (list->word->word); + loader_$inlib (list->word->word, len, &status); + + if (status.all != status_$ok) + { + builtin_error (_("%s: inlib failed"), list->word->word); + return_value = EXECUTION_FAILURE; + } + + list = list->next; + } + + return (return_value); +} +#endif /* apollo */ diff --git a/builtins/jobs.c b/builtins/jobs.c new file mode 100644 index 0000000..176e12a --- /dev/null +++ b/builtins/jobs.c @@ -0,0 +1,238 @@ +/* jobs.c, created from jobs.def. */ +#line 22 "./jobs.def" + +#line 48 "./jobs.def" + +#include <config.h> + +#if defined (JOB_CONTROL) +#include "../bashtypes.h" +#include <signal.h> +#if defined (HAVE_UNISTD_H) +# include <unistd.h> +#endif + +#include "../bashansi.h" +#include "../bashintl.h" + +#include "../shell.h" +#include "../jobs.h" +#include "../execute_cmd.h" +#include "bashgetopt.h" +#include "common.h" + +#define JSTATE_ANY 0x0 +#define JSTATE_RUNNING 0x1 +#define JSTATE_STOPPED 0x2 + +static int execute_list_with_replacements __P((WORD_LIST *)); + +/* The `jobs' command. Prints outs a list of active jobs. If the + argument `-l' is given, then the process id's are printed also. + If the argument `-p' is given, print the process group leader's + pid only. If `-n' is given, only processes that have changed + status since the last notification are printed. If -x is given, + replace all job specs with the pid of the appropriate process + group leader and execute the command. The -r and -s options mean + to print info about running and stopped jobs only, respectively. */ +int +jobs_builtin (list) + WORD_LIST *list; +{ + int form, execute, state, opt, any_failed, job; + sigset_t set, oset; + + execute = any_failed = 0; + form = JLIST_STANDARD; + state = JSTATE_ANY; + + reset_internal_getopt (); + while ((opt = internal_getopt (list, "lpnxrs")) != -1) + { + switch (opt) + { + case 'l': + form = JLIST_LONG; + break; + case 'p': + form = JLIST_PID_ONLY; + break; + case 'n': + form = JLIST_CHANGED_ONLY; + break; + case 'x': + if (form != JLIST_STANDARD) + { + builtin_error (_("no other options allowed with `-x'")); + return (EXECUTION_FAILURE); + } + execute++; + break; + case 'r': + state = JSTATE_RUNNING; + break; + case 's': + state = JSTATE_STOPPED; + break; + + default: + builtin_usage (); + return (EX_USAGE); + } + } + + list = loptend; + + if (execute) + return (execute_list_with_replacements (list)); + + if (!list) + { + switch (state) + { + case JSTATE_ANY: + list_all_jobs (form); + break; + case JSTATE_RUNNING: + list_running_jobs (form); + break; + case JSTATE_STOPPED: + list_stopped_jobs (form); + break; + } + return (EXECUTION_SUCCESS); + } + + while (list) + { + BLOCK_CHILD (set, oset); + job = get_job_spec (list); + + if ((job == NO_JOB) || jobs == 0 || get_job_by_jid (job) == 0) + { + sh_badjob (list->word->word); + any_failed++; + } + else if (job != DUP_JOB) + list_one_job ((JOB *)NULL, form, 0, job); + + UNBLOCK_CHILD (oset); + list = list->next; + } + return (any_failed ? EXECUTION_FAILURE : EXECUTION_SUCCESS); +} + +static int +execute_list_with_replacements (list) + WORD_LIST *list; +{ + register WORD_LIST *l; + int job, result; + COMMAND *command; + JOB *j; + + /* First do the replacement of job specifications with pids. */ + for (l = list; l; l = l->next) + { + if (l->word->word[0] == '%') /* we have a winner */ + { + job = get_job_spec (l); + + /* A bad job spec is not really a job spec! Pass it through. */ + if (INVALID_JOB (job)) + continue; + + j = get_job_by_jid (job); + free (l->word->word); + l->word->word = itos (j->pgrp); + } + } + + /* Next make a new simple command and execute it. */ + begin_unwind_frame ("jobs_builtin"); + + command = make_bare_simple_command (); + command->value.Simple->words = copy_word_list (list); + command->value.Simple->redirects = (REDIRECT *)NULL; + command->flags |= CMD_INHIBIT_EXPANSION; + command->value.Simple->flags |= CMD_INHIBIT_EXPANSION; + + add_unwind_protect (dispose_command, command); + result = execute_command (command); + dispose_command (command); + + discard_unwind_frame ("jobs_builtin"); + return (result); +} +#endif /* JOB_CONTROL */ + +#line 230 "./jobs.def" + +#if defined (JOB_CONTROL) +int +disown_builtin (list) + WORD_LIST *list; +{ + int opt, job, retval, nohup_only, running_jobs, all_jobs; + sigset_t set, oset; + intmax_t pid_value; + + nohup_only = running_jobs = all_jobs = 0; + reset_internal_getopt (); + while ((opt = internal_getopt (list, "ahr")) != -1) + { + switch (opt) + { + case 'a': + all_jobs = 1; + break; + case 'h': + nohup_only = 1; + break; + case 'r': + running_jobs = 1; + break; + default: + builtin_usage (); + return (EX_USAGE); + } + } + list = loptend; + retval = EXECUTION_SUCCESS; + + /* `disown -a' or `disown -r' */ + if (list == 0 && (all_jobs || running_jobs)) + { + if (nohup_only) + nohup_all_jobs (running_jobs); + else + delete_all_jobs (running_jobs); + return (EXECUTION_SUCCESS); + } + + do + { + BLOCK_CHILD (set, oset); + job = (list && legal_number (list->word->word, &pid_value) && pid_value == (pid_t) pid_value) + ? get_job_by_pid ((pid_t) pid_value, 0) + : get_job_spec (list); + + if (job == NO_JOB || jobs == 0 || INVALID_JOB (job)) + { + sh_badjob (list ? list->word->word : _("current")); + retval = EXECUTION_FAILURE; + } + else if (nohup_only) + nohup_job (job); + else + delete_job (job, 1); + UNBLOCK_CHILD (oset); + + if (list) + list = list->next; + } + while (list); + + return (retval); +} +#endif /* JOB_CONTROL */ diff --git a/builtins/kill.c b/builtins/kill.c new file mode 100644 index 0000000..e68b345 --- /dev/null +++ b/builtins/kill.c @@ -0,0 +1,225 @@ +/* kill.c, created from kill.def. */ +#line 22 "./kill.def" + +#line 45 "./kill.def" + +#include <config.h> + +#include <stdio.h> +#include <errno.h> +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include "../bashansi.h" +#include "../bashintl.h" + +#include "../shell.h" +#include "../trap.h" +#include "../jobs.h" +#include "common.h" + +/* Not all systems declare ERRNO in errno.h... and some systems #define it! */ +#if !defined (errno) +extern int errno; +#endif /* !errno */ + +extern int posixly_correct; + +static void kill_error __P((pid_t, int)); + +#if !defined (CONTINUE_AFTER_KILL_ERROR) +# define CONTINUE_OR_FAIL return (EXECUTION_FAILURE) +#else +# define CONTINUE_OR_FAIL goto continue_killing +#endif /* CONTINUE_AFTER_KILL_ERROR */ + +/* Here is the kill builtin. We only have it so that people can type + kill -KILL %1? No, if you fill up the process table this way you + can still kill some. */ +int +kill_builtin (list) + WORD_LIST *list; +{ + int sig, any_succeeded, listing, saw_signal, dflags; + char *sigspec, *word; + pid_t pid; + intmax_t pid_value; + + if (list == 0) + { + builtin_usage (); + return (EXECUTION_FAILURE); + } + + any_succeeded = listing = saw_signal = 0; + sig = SIGTERM; + sigspec = "TERM"; + + dflags = DSIG_NOCASE | ((posixly_correct == 0) ? DSIG_SIGPREFIX : 0); + /* Process options. */ + while (list) + { + word = list->word->word; + + if (ISOPTION (word, 'l')) + { + listing++; + list = list->next; + } + else if (ISOPTION (word, 's') || ISOPTION (word, 'n')) + { + list = list->next; + if (list) + { + sigspec = list->word->word; + if (sigspec[0] == '0' && sigspec[1] == '\0') + sig = 0; + else + sig = decode_signal (sigspec, dflags); + list = list->next; +#if 0 + saw_signal++; /* XXX - for bash-4.2 */ +#endif + } + else + { + sh_needarg (word); + return (EXECUTION_FAILURE); + } + } + else if (ISOPTION (word, '-')) + { + list = list->next; + break; + } + else if (ISOPTION (word, '?')) + { + builtin_usage (); + return (EXECUTION_SUCCESS); + } + /* If this is a signal specification then process it. We only process + the first one seen; other arguments may signify process groups (e.g, + -num == process group num). */ + else if (*word == '-' && saw_signal == 0) + { + sigspec = word + 1; + sig = decode_signal (sigspec, dflags); + saw_signal++; + list = list->next; + } + else + break; + } + + if (listing) + return (display_signal_list (list, 0)); + + /* OK, we are killing processes. */ + if (sig == NO_SIG) + { + sh_invalidsig (sigspec); + return (EXECUTION_FAILURE); + } + + if (list == 0) + { + builtin_usage (); + return (EXECUTION_FAILURE); + } + + while (list) + { + word = list->word->word; + + if (*word == '-') + word++; + + /* Use the entire argument in case of minus sign presence. */ + if (*word && legal_number (list->word->word, &pid_value) && (pid_value == (pid_t)pid_value)) + { + pid = (pid_t) pid_value; + + if (kill_pid (pid, sig, pid < -1) < 0) + { + if (errno == EINVAL) + sh_invalidsig (sigspec); + else + kill_error (pid, errno); + CONTINUE_OR_FAIL; + } + else + any_succeeded++; + } +#if defined (JOB_CONTROL) + else if (*list->word->word && *list->word->word != '%') + { + builtin_error (_("%s: arguments must be process or job IDs"), list->word->word); + CONTINUE_OR_FAIL; + } + else if (*word) + /* Posix.2 says you can kill without job control active (4.32.4) */ + { /* Must be a job spec. Check it out. */ + int job; + sigset_t set, oset; + JOB *j; + + BLOCK_CHILD (set, oset); + job = get_job_spec (list); + + if (INVALID_JOB (job)) + { + if (job != DUP_JOB) + sh_badjob (list->word->word); + UNBLOCK_CHILD (oset); + CONTINUE_OR_FAIL; + } + + j = get_job_by_jid (job); + /* Job spec used. Kill the process group. If the job was started + without job control, then its pgrp == shell_pgrp, so we have + to be careful. We take the pid of the first job in the pipeline + in that case. */ + pid = IS_JOBCONTROL (job) ? j->pgrp : j->pipe->pid; + + UNBLOCK_CHILD (oset); + + if (kill_pid (pid, sig, 1) < 0) + { + if (errno == EINVAL) + sh_invalidsig (sigspec); + else + kill_error (pid, errno); + CONTINUE_OR_FAIL; + } + else + any_succeeded++; + } +#endif /* !JOB_CONTROL */ + else + { + sh_badpid (list->word->word); + CONTINUE_OR_FAIL; + } + continue_killing: + list = list->next; + } + + return (any_succeeded ? EXECUTION_SUCCESS : EXECUTION_FAILURE); +} + +static void +kill_error (pid, e) + pid_t pid; + int e; +{ + char *x; + + x = strerror (e); + if (x == 0) + x = _("Unknown error"); + builtin_error ("(%ld) - %s", (long)pid, x); +} diff --git a/builtins/let.c b/builtins/let.c new file mode 100644 index 0000000..ea3caf3 --- /dev/null +++ b/builtins/let.c @@ -0,0 +1,66 @@ +/* let.c, created from let.def. */ +#line 66 "./let.def" + +#include <config.h> + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include "../bashintl.h" + +#include "../shell.h" +#include "common.h" + +/* Arithmetic LET function. */ +int +let_builtin (list) + WORD_LIST *list; +{ + intmax_t ret; + int expok; + + /* Skip over leading `--' argument. */ + if (list && list->word && ISOPTION (list->word->word, '-')) + list = list->next; + + if (list == 0) + { + builtin_error (_("expression expected")); + return (EXECUTION_FAILURE); + } + + for (; list; list = list->next) + { + ret = evalexp (list->word->word, &expok); + if (expok == 0) + return (EXECUTION_FAILURE); + } + + return ((ret == 0) ? EXECUTION_FAILURE : EXECUTION_SUCCESS); +} + +#ifdef INCLUDE_UNUSED +int +exp_builtin (list) + WORD_LIST *list; +{ + char *exp; + intmax_t ret; + int expok; + + if (list == 0) + { + builtin_error (_("expression expected")); + return (EXECUTION_FAILURE); + } + + exp = string_list (list); + ret = evalexp (exp, &expok); + (void)free (exp); + return (((ret == 0) || (expok == 0)) ? EXECUTION_FAILURE : EXECUTION_SUCCESS); +} +#endif diff --git a/builtins/mapfile.c b/builtins/mapfile.c new file mode 100644 index 0000000..8b79c37 --- /dev/null +++ b/builtins/mapfile.c @@ -0,0 +1,294 @@ +/* mapfile.c, created from mapfile.def. */ +#line 23 "./mapfile.def" + +#line 56 "./mapfile.def" + +#line 64 "./mapfile.def" + +#include <config.h> + +#include "builtins.h" +#include "posixstat.h" + +#if defined (HAVE_UNISTD_H) +# include <unistd.h> +#endif + +#include "bashansi.h" +#include "bashintl.h" + +#include <stdio.h> +#include <errno.h> + +#include "../bashintl.h" +#include "../shell.h" +#include "common.h" +#include "bashgetopt.h" + +#if !defined (errno) +extern int errno; +#endif + +#if defined (ARRAY_VARS) + +#define DEFAULT_ARRAY_NAME "MAPFILE" + +/* The value specifying how frequently `mapfile' calls the callback. */ +#define DEFAULT_QUANTUM 5000 + +/* Values for FLAGS */ +#define MAPF_CLEARARRAY 0x01 +#define MAPF_CHOP 0x02 + +static int +run_callback(callback, current_index) + const char *callback; + unsigned int current_index; +{ + unsigned int execlen; + char *execstr; + int flags; + + execlen = strlen (callback) + 10; + /* 1 for space between %s and %d, + another 1 for the last nul char for C string. */ + execlen += 2; + execstr = xmalloc (execlen); + + flags = SEVAL_NOHIST; +#if 0 + if (interactive) + flags |= SEVAL_INTERACT; +#endif + snprintf (execstr, execlen, "%s %d", callback, current_index); + return parse_and_execute(execstr, NULL, flags); +} + +static void +do_chop(line) + char * line; +{ + int length; + + length = strlen (line); + if (length && line[length-1] == '\n') + line[length-1] = '\0'; +} + +static int +mapfile (fd, line_count_goal, origin, nskip, callback_quantum, callback, array_name, flags) + int fd; + long line_count_goal, origin, nskip, callback_quantum; + char *callback, *array_name; + int flags; +{ + char *line; + size_t line_length; + unsigned int array_index, line_count; + SHELL_VAR *entry; + int unbuffered_read; + + line = NULL; + line_length = 0; + unbuffered_read = 0; + + /* The following check should be done before reading any lines. Doing it + here allows us to call bind_array_element instead of bind_array_variable + and skip the variable lookup on every call. */ + entry = find_or_make_array_variable (array_name, 1); + if (entry == 0 || readonly_p (entry) || noassign_p (entry)) + { + if (entry && readonly_p (entry)) + err_readonly (array_name); + + return (EXECUTION_FAILURE); + } + else if (array_p (entry) == 0) + { + builtin_error (_("%s: not an indexed array"), array_name); + return (EXECUTION_FAILURE); + } + + if (flags & MAPF_CLEARARRAY) + array_flush (array_cell (entry)); + +#ifndef __CYGWIN__ + unbuffered_read = (lseek (fd, 0L, SEEK_CUR) < 0) && (errno == ESPIPE); +#else + unbuffered_read = 1; +#endif + + zreset (); + + /* Skip any lines at beginning of file? */ + for (line_count = 0; line_count < nskip; line_count++) + if (zgetline (fd, &line, &line_length, unbuffered_read) < 0) + break; + + line = 0; + line_length = 0; + + /* Reset the buffer for bash own stream */ + interrupt_immediately++; + for (array_index = origin, line_count = 1; + zgetline (fd, &line, &line_length, unbuffered_read) != -1; + array_index++, line_count++) + { + /* Have we exceeded # of lines to store? */ + if (line_count_goal != 0 && line_count > line_count_goal) + break; + + /* Remove trailing newlines? */ + if (flags & MAPF_CHOP) + do_chop (line); + + /* Has a callback been registered and if so is it time to call it? */ + if (callback && line_count && (line_count % callback_quantum) == 0) + { + run_callback (callback, array_index); + + /* Reset the buffer for bash own stream. */ + if (unbuffered_read == 0) + zsyncfd (fd); + } + + bind_array_element (entry, array_index, line, 0); + } + + xfree (line); + + if (unbuffered_read == 0) + zsyncfd (fd); + + interrupt_immediately--; + return EXECUTION_SUCCESS; +} + +int +mapfile_builtin (list) + WORD_LIST *list; +{ + int opt, code, fd, clear_array, flags; + intmax_t intval; + long lines, origin, nskip, callback_quantum; + char *array_name, *callback; + + clear_array = 1; + fd = 0; + lines = origin = nskip = 0; + flags = MAPF_CLEARARRAY; + callback_quantum = DEFAULT_QUANTUM; + callback = 0; + + reset_internal_getopt (); + while ((opt = internal_getopt (list, "u:n:O:tC:c:s:")) != -1) + { + switch (opt) + { + case 'u': + code = legal_number (list_optarg, &intval); + if (code == 0 || intval < 0 || intval != (int)intval) + { + builtin_error (_("%s: invalid file descriptor specification"), list_optarg); + return (EXECUTION_FAILURE); + } + else + fd = intval; + + if (sh_validfd (fd) == 0) + { + builtin_error (_("%d: invalid file descriptor: %s"), fd, strerror (errno)); + return (EXECUTION_FAILURE); + } + break; + + case 'n': + code = legal_number (list_optarg, &intval); + if (code == 0 || intval < 0 || intval != (unsigned)intval) + { + builtin_error (_("%s: invalid line count"), list_optarg); + return (EXECUTION_FAILURE); + } + else + lines = intval; + break; + + case 'O': + code = legal_number (list_optarg, &intval); + if (code == 0 || intval < 0 || intval != (unsigned)intval) + { + builtin_error (_("%s: invalid array origin"), list_optarg); + return (EXECUTION_FAILURE); + } + else + origin = intval; + flags &= ~MAPF_CLEARARRAY; + break; + case 't': + flags |= MAPF_CHOP; + break; + case 'C': + callback = list_optarg; + break; + case 'c': + code = legal_number (list_optarg, &intval); + if (code == 0 || intval <= 0 || intval != (unsigned)intval) + { + builtin_error (_("%s: invalid callback quantum"), list_optarg); + return (EXECUTION_FAILURE); + } + else + callback_quantum = intval; + break; + case 's': + code = legal_number (list_optarg, &intval); + if (code == 0 || intval < 0 || intval != (unsigned)intval) + { + builtin_error (_("%s: invalid line count"), list_optarg); + return (EXECUTION_FAILURE); + } + else + nskip = intval; + break; + default: + builtin_usage (); + return (EX_USAGE); + } + } + list = loptend; + + if (list == 0) + array_name = DEFAULT_ARRAY_NAME; + else if (list->word == 0 || list->word->word == 0) + { + builtin_error ("internal error: getting variable name"); + return (EXECUTION_FAILURE); + } + else if (list->word->word[0] == '\0') + { + builtin_error (_("empty array variable name")); + return (EX_USAGE); + } + else + array_name = list->word->word; + + if (legal_identifier (array_name) == 0 && valid_array_reference (array_name) == 0) + { + sh_invalidid (array_name); + return (EXECUTION_FAILURE); + } + + return mapfile (fd, lines, origin, nskip, callback_quantum, callback, array_name, flags); +} + +#else + +int +mapfile_builtin (list) + WORD_LIST *list; +{ + builtin_error (_("array variable support required")); + return (EXECUTION_FAILURE); +} + +#endif /* ARRAY_VARS */ diff --git a/builtins/pipesize.h b/builtins/pipesize.h new file mode 100644 index 0000000..816a0b2 --- /dev/null +++ b/builtins/pipesize.h @@ -0,0 +1,8 @@ +/* + * pipesize.h + * + * This file is automatically generated by psize.sh + * Do not edit! + */ + +#define PIPESIZE 65536 diff --git a/builtins/printf.c b/builtins/printf.c new file mode 100644 index 0000000..2bb1178 --- /dev/null +++ b/builtins/printf.c @@ -0,0 +1,1075 @@ +/* printf.c, created from printf.def. */ +#line 22 "./printf.def" + +#line 48 "./printf.def" + +#include <config.h> + +#include "../bashtypes.h" + +#include <errno.h> +#if defined (HAVE_LIMITS_H) +# include <limits.h> +#else + /* Assume 32-bit ints. */ +# define INT_MAX 2147483647 +# define INT_MIN (-2147483647-1) +#endif + +#if defined (PREFER_STDARG) +# include <stdarg.h> +#else +# include <varargs.h> +#endif + +#include <stdio.h> +#include <chartypes.h> + +#ifdef HAVE_INTTYPES_H +# include <inttypes.h> +#endif + +#include "../bashansi.h" +#include "../bashintl.h" + +#include "../shell.h" +#include "shmbutil.h" +#include "stdc.h" +#include "bashgetopt.h" +#include "common.h" + +#if defined (PRI_MACROS_BROKEN) +# undef PRIdMAX +#endif + +#if !defined (PRIdMAX) +# if HAVE_LONG_LONG +# define PRIdMAX "lld" +# else +# define PRIdMAX "ld" +# endif +#endif + +#if !defined (errno) +extern int errno; +#endif + +#define PC(c) \ + do { \ + char b[2]; \ + tw++; \ + b[0] = c; b[1] = '\0'; \ + if (vflag) \ + vbadd (b, 1); \ + else \ + putchar (c); \ + } while (0) + +#define PF(f, func) \ + do { \ + int nw; \ + clearerr (stdout); \ + if (have_fieldwidth && have_precision) \ + nw = vflag ? vbprintf (f, fieldwidth, precision, func) : printf (f, fieldwidth, precision, func); \ + else if (have_fieldwidth) \ + nw = vflag ? vbprintf (f, fieldwidth, func) : printf (f, fieldwidth, func); \ + else if (have_precision) \ + nw = vflag ? vbprintf (f, precision, func) : printf (f, precision, func); \ + else \ + nw = vflag ? vbprintf (f, func) : printf (f, func); \ + tw += nw; \ + if (ferror (stdout)) \ + { \ + sh_wrerror (); \ + clearerr (stdout); \ + return (EXECUTION_FAILURE); \ + } \ + } while (0) + +/* We free the buffer used by mklong() if it's `too big'. */ +#define PRETURN(value) \ + do \ + { \ + if (vflag) \ + { \ + bind_printf_variable (vname, vbuf, 0); \ + stupidly_hack_special_variables (vname); \ + } \ + if (conv_bufsize > 4096 ) \ + { \ + free (conv_buf); \ + conv_bufsize = 0; \ + conv_buf = 0; \ + } \ + if (vbsize > 4096) \ + { \ + free (vbuf); \ + vbsize = 0; \ + vbuf = 0; \ + } \ + else if (vbuf) \ + vbuf[0] = 0; \ + terminate_immediately--; \ + fflush (stdout); \ + if (ferror (stdout)) \ + { \ + sh_wrerror (); \ + clearerr (stdout); \ + return (EXECUTION_FAILURE); \ + } \ + return (value); \ + } \ + while (0) + +#define SKIP1 "#'-+ 0" +#define LENMODS "hjlLtz" + +#if !HAVE_ASPRINTF +extern int asprintf __P((char **, const char *, ...)) __attribute__((__format__ (printf, 2, 3))); +#endif + +#if !HAVE_VSNPRINTF +extern int vsnprintf __P((char *, size_t, const char *, va_list)) __attribute__((__format__ (printf, 3, 0))); +#endif + +static void printf_erange __P((char *)); +static int printstr __P((char *, char *, int, int, int)); +static int tescape __P((char *, char *, int *)); +static char *bexpand __P((char *, int, int *, int *)); +static char *vbadd __P((char *, int)); +static int vbprintf __P((const char *, ...)) __attribute__((__format__ (printf, 1, 2))); +static char *mklong __P((char *, char *, size_t)); +static int getchr __P((void)); +static char *getstr __P((void)); +static int getint __P((void)); +static intmax_t getintmax __P((void)); +static uintmax_t getuintmax __P((void)); +static SHELL_VAR *bind_printf_variable __P((char *, char *, int)); + +#if defined (HAVE_LONG_DOUBLE) && HAVE_DECL_STRTOLD && !defined(STRTOLD_BROKEN) +typedef long double floatmax_t; +# define FLOATMAX_CONV "L" +# define strtofltmax strtold +#else +typedef double floatmax_t; +# define FLOATMAX_CONV "" +# define strtofltmax strtod +#endif +static floatmax_t getfloatmax __P((void)); + +static intmax_t asciicode __P((void)); + +static WORD_LIST *garglist; +static int retval; +static int conversion_error; + +/* printf -v var support */ +static int vflag = 0; +static char *vbuf, *vname; +static size_t vbsize; +static int vblen; + +static intmax_t tw; + +static char *conv_buf; +static size_t conv_bufsize; + +int +printf_builtin (list) + WORD_LIST *list; +{ + int ch, fieldwidth, precision; + int have_fieldwidth, have_precision; + char convch, thisch, nextch, *format, *modstart, *fmt, *start; + + conversion_error = 0; + retval = EXECUTION_SUCCESS; + + vflag = 0; + + reset_internal_getopt (); + while ((ch = internal_getopt (list, "v:")) != -1) + { + switch (ch) + { + case 'v': + vname = list_optarg; +#if defined (ARRAY_VARS) + if (legal_identifier (vname) || valid_array_reference (vname)) +#else + if (legal_identifier (vname)) +#endif + { + vflag = 1; + vblen = 0; + if (vbuf) + vbuf[0] = 0; + } + else + { + sh_invalidid (vname); + return (EX_USAGE); + } + break; + default: + builtin_usage (); + return (EX_USAGE); + } + } + list = loptend; /* skip over possible `--' */ + + if (list == 0) + { + builtin_usage (); + return (EX_USAGE); + } + + if (list->word->word == 0 || list->word->word[0] == '\0') + return (EXECUTION_SUCCESS); + + format = list->word->word; + tw = 0; + + garglist = list->next; + + /* If the format string is empty after preprocessing, return immediately. */ + if (format == 0 || *format == 0) + return (EXECUTION_SUCCESS); + + terminate_immediately++; + + /* Basic algorithm is to scan the format string for conversion + specifications -- once one is found, find out if the field + width or precision is a '*'; if it is, gather up value. Note, + format strings are reused as necessary to use up the provided + arguments, arguments of zero/null string are provided to use + up the format string. */ + do + { + tw = 0; + /* find next format specification */ + for (fmt = format; *fmt; fmt++) + { + precision = fieldwidth = 0; + have_fieldwidth = have_precision = 0; + + if (*fmt == '\\') + { + fmt++; + /* A NULL third argument to tescape means to bypass the + special processing for arguments to %b. */ + fmt += tescape (fmt, &nextch, (int *)NULL); + PC (nextch); + fmt--; /* for loop will increment it for us again */ + continue; + } + + if (*fmt != '%') + { + PC (*fmt); + continue; + } + + /* ASSERT(*fmt == '%') */ + start = fmt++; + + if (*fmt == '%') /* %% prints a % */ + { + PC ('%'); + continue; + } + + /* found format specification, skip to field width */ + for (; *fmt && strchr(SKIP1, *fmt); ++fmt) + ; + + /* Skip optional field width. */ + if (*fmt == '*') + { + fmt++; + have_fieldwidth = 1; + fieldwidth = getint (); + } + else + while (DIGIT (*fmt)) + fmt++; + + /* Skip optional '.' and precision */ + if (*fmt == '.') + { + ++fmt; + if (*fmt == '*') + { + fmt++; + have_precision = 1; + precision = getint (); + } + else + { + /* Negative precisions are allowed but treated as if the + precision were missing; I would like to allow a leading + `+' in the precision number as an extension, but lots + of asprintf/fprintf implementations get this wrong. */ +#if 0 + if (*fmt == '-' || *fmt == '+') +#else + if (*fmt == '-') +#endif + fmt++; + while (DIGIT (*fmt)) + fmt++; + } + } + + /* skip possible format modifiers */ + modstart = fmt; + while (*fmt && strchr (LENMODS, *fmt)) + fmt++; + + if (*fmt == 0) + { + builtin_error (_("`%s': missing format character"), start); + PRETURN (EXECUTION_FAILURE); + } + + convch = *fmt; + thisch = modstart[0]; + nextch = modstart[1]; + modstart[0] = convch; + modstart[1] = '\0'; + + switch(convch) + { + case 'c': + { + char p; + + p = getchr (); + PF(start, p); + break; + } + + case 's': + { + char *p; + + p = getstr (); + PF(start, p); + break; + } + + case 'n': + { + char *var; + + var = getstr (); + if (var && *var) + { + if (legal_identifier (var)) + bind_var_to_int (var, tw); + else + { + sh_invalidid (var); + PRETURN (EXECUTION_FAILURE); + } + } + break; + } + + case 'b': /* expand escapes in argument */ + { + char *p, *xp; + int rlen, r; + + p = getstr (); + ch = rlen = r = 0; + xp = bexpand (p, strlen (p), &ch, &rlen); + + if (xp) + { + /* Have to use printstr because of possible NUL bytes + in XP -- printf does not handle that well. */ + r = printstr (start, xp, rlen, fieldwidth, precision); + if (r < 0) + { + sh_wrerror (); + clearerr (stdout); + retval = EXECUTION_FAILURE; + } + free (xp); + } + + if (ch || r < 0) + PRETURN (retval); + break; + } + + case 'q': /* print with shell quoting */ + { + char *p, *xp; + int r; + + r = 0; + p = getstr (); + if (p && *p == 0) /* XXX - getstr never returns null */ + xp = savestring ("''"); + else if (ansic_shouldquote (p)) + xp = ansic_quote (p, 0, (int *)0); + else + xp = sh_backslash_quote (p); + if (xp) + { + /* Use printstr to get fieldwidth and precision right. */ + r = printstr (start, xp, strlen (xp), fieldwidth, precision); + if (r < 0) + { + sh_wrerror (); + clearerr (stdout); + } + free (xp); + } + + if (r < 0) + PRETURN (EXECUTION_FAILURE); + break; + } + + case 'd': + case 'i': + { + char *f; + long p; + intmax_t pp; + + p = pp = getintmax (); + if (p != pp) + { + f = mklong (start, PRIdMAX, sizeof (PRIdMAX) - 2); + PF (f, pp); + } + else + { + /* Optimize the common case where the integer fits + in "long". This also works around some long + long and/or intmax_t library bugs in the common + case, e.g. glibc 2.2 x86. */ + f = mklong (start, "l", 1); + PF (f, p); + } + break; + } + + case 'o': + case 'u': + case 'x': + case 'X': + { + char *f; + unsigned long p; + uintmax_t pp; + + p = pp = getuintmax (); + if (p != pp) + { + f = mklong (start, PRIdMAX, sizeof (PRIdMAX) - 2); + PF (f, pp); + } + else + { + f = mklong (start, "l", 1); + PF (f, p); + } + break; + } + + case 'e': + case 'E': + case 'f': + case 'F': + case 'g': + case 'G': +#if defined (HAVE_PRINTF_A_FORMAT) + case 'a': + case 'A': +#endif + { + char *f; + floatmax_t p; + + p = getfloatmax (); + f = mklong (start, FLOATMAX_CONV, sizeof(FLOATMAX_CONV) - 1); + PF (f, p); + break; + } + + /* We don't output unrecognized format characters; we print an + error message and return a failure exit status. */ + default: + builtin_error (_("`%c': invalid format character"), convch); + PRETURN (EXECUTION_FAILURE); + } + + modstart[0] = thisch; + modstart[1] = nextch; + } + + if (ferror (stdout)) + { + sh_wrerror (); + clearerr (stdout); + PRETURN (EXECUTION_FAILURE); + } + } + while (garglist && garglist != list->next); + + if (conversion_error) + retval = EXECUTION_FAILURE; + + PRETURN (retval); +} + +static void +printf_erange (s) + char *s; +{ + builtin_error (_("warning: %s: %s"), s, strerror(ERANGE)); +} + +/* We duplicate a lot of what printf(3) does here. */ +static int +printstr (fmt, string, len, fieldwidth, precision) + char *fmt; /* format */ + char *string; /* expanded string argument */ + int len; /* length of expanded string */ + int fieldwidth; /* argument for width of `*' */ + int precision; /* argument for precision of `*' */ +{ +#if 0 + char *s; +#endif + int padlen, nc, ljust, i; + int fw, pr; /* fieldwidth and precision */ + +#if 0 + if (string == 0 || *string == '\0') +#else + if (string == 0 || len == 0) +#endif + return 0; + +#if 0 + s = fmt; +#endif + if (*fmt == '%') + fmt++; + + ljust = fw = 0; + pr = -1; + + /* skip flags */ + while (strchr (SKIP1, *fmt)) + { + if (*fmt == '-') + ljust = 1; + fmt++; + } + + /* get fieldwidth, if present */ + if (*fmt == '*') + { + fmt++; + fw = fieldwidth; + if (fw < 0) + { + fw = -fw; + ljust = 1; + } + } + else if (DIGIT (*fmt)) + { + fw = *fmt++ - '0'; + while (DIGIT (*fmt)) + fw = (fw * 10) + (*fmt++ - '0'); + } + + /* get precision, if present */ + if (*fmt == '.') + { + fmt++; + if (*fmt == '*') + { + fmt++; + pr = precision; + } + else if (DIGIT (*fmt)) + { + pr = *fmt++ - '0'; + while (DIGIT (*fmt)) + pr = (pr * 10) + (*fmt++ - '0'); + } + } + +#if 0 + /* If we remove this, get rid of `s'. */ + if (*fmt != 'b' && *fmt != 'q') + { + internal_error ("format parsing problem: %s", s); + fw = pr = 0; + } +#endif + + /* chars from string to print */ + nc = (pr >= 0 && pr <= len) ? pr : len; + + padlen = fw - nc; + if (padlen < 0) + padlen = 0; + if (ljust) + padlen = -padlen; + + /* leading pad characters */ + for (; padlen > 0; padlen--) + PC (' '); + + /* output NC characters from STRING */ + for (i = 0; i < nc; i++) + PC (string[i]); + + /* output any necessary trailing padding */ + for (; padlen < 0; padlen++) + PC (' '); + + return (ferror (stdout) ? -1 : 0); +} + +/* Convert STRING by expanding the escape sequences specified by the + POSIX standard for printf's `%b' format string. If SAWC is non-null, + perform the processing appropriate for %b arguments. In particular, + recognize `\c' and use that as a string terminator. If we see \c, set + *SAWC to 1 before returning. LEN is the length of STRING. */ + +/* Translate a single backslash-escape sequence starting at ESTART (the + character after the backslash) and return the number of characters + consumed by the sequence. CP is the place to return the translated + value. *SAWC is set to 1 if the escape sequence was \c, since that means + to short-circuit the rest of the processing. If SAWC is null, we don't + do the \c short-circuiting, and \c is treated as an unrecognized escape + sequence; we also bypass the other processing specific to %b arguments. */ +static int +tescape (estart, cp, sawc) + char *estart; + char *cp; + int *sawc; +{ + register char *p; + int temp, c, evalue; + + p = estart; + + switch (c = *p++) + { +#if defined (__STDC__) + case 'a': *cp = '\a'; break; +#else + case 'a': *cp = '\007'; break; +#endif + + case 'b': *cp = '\b'; break; + + case 'e': + case 'E': *cp = '\033'; break; /* ESC -- non-ANSI */ + + case 'f': *cp = '\f'; break; + + case 'n': *cp = '\n'; break; + + case 'r': *cp = '\r'; break; + + case 't': *cp = '\t'; break; + + case 'v': *cp = '\v'; break; + + /* The octal escape sequences are `\0' followed by up to three octal + digits (if SAWC), or `\' followed by up to three octal digits (if + !SAWC). As an extension, we allow the latter form even if SAWC. */ + case '0': case '1': case '2': case '3': + case '4': case '5': case '6': case '7': + evalue = OCTVALUE (c); + for (temp = 2 + (!evalue && !!sawc); ISOCTAL (*p) && temp--; p++) + evalue = (evalue * 8) + OCTVALUE (*p); + *cp = evalue & 0xFF; + break; + + /* And, as another extension, we allow \xNNN, where each N is a + hex digit. */ + case 'x': +#if 0 + for (evalue = 0; ISXDIGIT ((unsigned char)*p); p++) +#else + for (temp = 2, evalue = 0; ISXDIGIT ((unsigned char)*p) && temp--; p++) +#endif + evalue = (evalue * 16) + HEXVALUE (*p); + if (p == estart + 1) + { + builtin_error (_("missing hex digit for \\x")); + *cp = '\\'; + return 0; + } + *cp = evalue & 0xFF; + break; + + case '\\': /* \\ -> \ */ + *cp = c; + break; + + /* SAWC == 0 means that \', \", and \? are recognized as escape + sequences, though the only processing performed is backslash + removal. */ + case '\'': case '"': case '?': + if (!sawc) + *cp = c; + else + { + *cp = '\\'; + return 0; + } + break; + + case 'c': + if (sawc) + { + *sawc = 1; + break; + } + /* other backslash escapes are passed through unaltered */ + default: + *cp = '\\'; + return 0; + } + return (p - estart); +} + +static char * +bexpand (string, len, sawc, lenp) + char *string; + int len, *sawc, *lenp; +{ + int temp; + char *ret, *r, *s, c; + +#if 0 + if (string == 0 || *string == '\0') +#else + if (string == 0 || len == 0) +#endif + { + if (sawc) + *sawc = 0; + if (lenp) + *lenp = 0; + return ((char *)NULL); + } + + ret = (char *)xmalloc (len + 1); + for (r = ret, s = string; s && *s; ) + { + c = *s++; + if (c != '\\' || *s == '\0') + { + *r++ = c; + continue; + } + temp = 0; + s += tescape (s, &c, &temp); + if (temp) + { + if (sawc) + *sawc = 1; + break; + } + + *r++ = c; + } + + *r = '\0'; + if (lenp) + *lenp = r - ret; + return ret; +} + +static char * +vbadd (buf, blen) + char *buf; + int blen; +{ + size_t nlen; + + nlen = vblen + blen + 1; + if (nlen >= vbsize) + { + vbsize = ((nlen + 63) >> 6) << 6; + vbuf = (char *)xrealloc (vbuf, vbsize); + } + + if (blen == 1) + vbuf[vblen++] = buf[0]; + else if (blen > 1) + { + FASTCOPY (buf, vbuf + vblen, blen); + vblen += blen; + } + vbuf[vblen] = '\0'; + +#ifdef DEBUG + if (strlen (vbuf) != vblen) + internal_error ("printf:vbadd: vblen (%d) != strlen (vbuf) (%d)", vblen, (int)strlen (vbuf)); +#endif + + return vbuf; +} + +static int +#if defined (PREFER_STDARG) +vbprintf (const char *format, ...) +#else +vbprintf (format, va_alist) + const char *format; + va_dcl +#endif +{ + va_list args; + size_t nlen; + int blen; + + SH_VA_START (args, format); + blen = vsnprintf (vbuf + vblen, vbsize - vblen, format, args); + va_end (args); + + nlen = vblen + blen + 1; + if (nlen >= vbsize) + { + vbsize = ((nlen + 63) >> 6) << 6; + vbuf = (char *)xrealloc (vbuf, vbsize); + SH_VA_START (args, format); + blen = vsnprintf (vbuf + vblen, vbsize - vblen, format, args); + va_end (args); + } + + vblen += blen; + vbuf[vblen] = '\0'; + +#ifdef DEBUG + if (strlen (vbuf) != vblen) + internal_error ("printf:vbadd: vblen (%d) != strlen (vbuf) (%d)", vblen, (int)strlen (vbuf)); +#endif + + return (blen); +} + +static char * +mklong (str, modifiers, mlen) + char *str; + char *modifiers; + size_t mlen; +{ + size_t len, slen; + + slen = strlen (str); + len = slen + mlen + 1; + + if (len > conv_bufsize) + { + conv_bufsize = (((len + 1023) >> 10) << 10); + conv_buf = (char *)xrealloc (conv_buf, conv_bufsize); + } + + FASTCOPY (str, conv_buf, slen - 1); + FASTCOPY (modifiers, conv_buf + slen - 1, mlen); + + conv_buf[len - 2] = str[slen - 1]; + conv_buf[len - 1] = '\0'; + return (conv_buf); +} + +static int +getchr () +{ + int ret; + + if (garglist == 0) + return ('\0'); + + ret = (int)garglist->word->word[0]; + garglist = garglist->next; + return ret; +} + +static char * +getstr () +{ + char *ret; + + if (garglist == 0) + return (""); + + ret = garglist->word->word; + garglist = garglist->next; + return ret; +} + +static int +getint () +{ + intmax_t ret; + + ret = getintmax (); + + if (ret > INT_MAX) + { + printf_erange (garglist->word->word); + ret = INT_MAX; + } + else if (ret < INT_MIN) + { + printf_erange (garglist->word->word); + ret = INT_MIN; + } + + return ((int)ret); +} + +static intmax_t +getintmax () +{ + intmax_t ret; + char *ep; + + if (garglist == 0) + return (0); + + if (garglist->word->word[0] == '\'' || garglist->word->word[0] == '"') + return asciicode (); + + errno = 0; + ret = strtoimax (garglist->word->word, &ep, 0); + + if (*ep) + { + sh_invalidnum (garglist->word->word); + /* POSIX.2 says ``...a diagnostic message shall be written to standard + error, and the utility shall not exit with a zero exit status, but + shall continue processing any remaining operands and shall write the + value accumulated at the time the error was detected to standard + output.'' Yecch. */ +#if 0 + ret = 0; /* return partially-converted value from strtoimax */ +#endif + conversion_error = 1; + } + else if (errno == ERANGE) + printf_erange (garglist->word->word); + + garglist = garglist->next; + return (ret); +} + +static uintmax_t +getuintmax () +{ + uintmax_t ret; + char *ep; + + if (garglist == 0) + return (0); + + if (garglist->word->word[0] == '\'' || garglist->word->word[0] == '"') + return asciicode (); + + errno = 0; + ret = strtoumax (garglist->word->word, &ep, 0); + + if (*ep) + { + sh_invalidnum (garglist->word->word); + /* Same POSIX.2 conversion error requirements as getintmax(). */ + ret = 0; + conversion_error = 1; + } + else if (errno == ERANGE) + printf_erange (garglist->word->word); + + garglist = garglist->next; + return (ret); +} + +static floatmax_t +getfloatmax () +{ + floatmax_t ret; + char *ep; + + if (garglist == 0) + return (0); + + if (garglist->word->word[0] == '\'' || garglist->word->word[0] == '"') + return asciicode (); + + errno = 0; + ret = strtofltmax (garglist->word->word, &ep); + + if (*ep) + { + sh_invalidnum (garglist->word->word); + /* Same thing about POSIX.2 conversion error requirements. */ + ret = 0; + conversion_error = 1; + } + else if (errno == ERANGE) + printf_erange (garglist->word->word); + + garglist = garglist->next; + return (ret); +} + +/* NO check is needed for garglist here. */ +static intmax_t +asciicode () +{ + register intmax_t ch; +#if defined (HANDLE_MULTIBYTE) + wchar_t wc; + size_t mblength, slen; +#endif + DECLARE_MBSTATE; + +#if defined (HANDLE_MULTIBYTE) + slen = strlen (garglist->word->word+1); + mblength = MBLEN (garglist->word->word+1, slen); + if (mblength > 1) + { + mblength = mbtowc (&wc, garglist->word->word+1, slen); + ch = wc; /* XXX */ + } + else +#endif + ch = (unsigned char)garglist->word->word[1]; + + garglist = garglist->next; + return (ch); +} + +static SHELL_VAR * +bind_printf_variable (name, value, flags) + char *name; + char *value; + int flags; +{ +#if defined (ARRAY_VARS) + if (valid_array_reference (name) == 0) + return (bind_variable (name, value, flags)); + else + return (assign_array_element (name, value, flags)); +#else /* !ARRAY_VARS */ + return bind_variable (name, value, flags); +#endif /* !ARRAY_VARS */ +} diff --git a/builtins/pushd.c b/builtins/pushd.c new file mode 100644 index 0000000..2de6b64 --- /dev/null +++ b/builtins/pushd.c @@ -0,0 +1,674 @@ +/* pushd.c, created from pushd.def. */ +#line 22 "./pushd.def" + +#line 55 "./pushd.def" + +#line 84 "./pushd.def" + +#line 113 "./pushd.def" + +#include <config.h> + +#if defined (PUSHD_AND_POPD) +#include <stdio.h> +#ifndef _MINIX +# include <sys/param.h> +#endif + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include "../bashansi.h" +#include "../bashintl.h" + +#include <errno.h> + +#include <tilde/tilde.h> + +#include "../shell.h" +#include "maxpath.h" +#include "common.h" +#include "builtext.h" + +#ifdef LOADABLE_BUILTIN +# include "builtins.h" +#endif + +#if !defined (errno) +extern int errno; +#endif /* !errno */ + +/* The list of remembered directories. */ +static char **pushd_directory_list = (char **)NULL; + +/* Number of existing slots in this list. */ +static int directory_list_size; + +/* Offset to the end of the list. */ +static int directory_list_offset; + +static void pushd_error __P((int, char *)); +static void clear_directory_stack __P((void)); +static int cd_to_string __P((char *)); +static int change_to_temp __P((char *)); +static void add_dirstack_element __P((char *)); +static int get_dirstack_index __P((intmax_t, int, int *)); + +#define NOCD 0x01 +#define ROTATE 0x02 +#define LONGFORM 0x04 +#define CLEARSTAK 0x08 + +int +pushd_builtin (list) + WORD_LIST *list; +{ + WORD_LIST *orig_list; + char *temp, *current_directory, *top; + int j, flags, skipopt; + intmax_t num; + char direction; + + orig_list = list; + if (list && list->word && ISOPTION (list->word->word, '-')) + { + list = list->next; + skipopt = 1; + } + else + skipopt = 0; + + /* If there is no argument list then switch current and + top of list. */ + if (list == 0) + { + if (directory_list_offset == 0) + { + builtin_error (_("no other directory")); + return (EXECUTION_FAILURE); + } + + current_directory = get_working_directory ("pushd"); + if (current_directory == 0) + return (EXECUTION_FAILURE); + + j = directory_list_offset - 1; + temp = pushd_directory_list[j]; + pushd_directory_list[j] = current_directory; + j = change_to_temp (temp); + free (temp); + return j; + } + + for (flags = 0; skipopt == 0 && list; list = list->next) + { + if (ISOPTION (list->word->word, 'n')) + { + flags |= NOCD; + } + else if (ISOPTION (list->word->word, '-')) + { + list = list->next; + break; + } + else if (list->word->word[0] == '-' && list->word->word[1] == '\0') + /* Let `pushd -' work like it used to. */ + break; + else if (((direction = list->word->word[0]) == '+') || direction == '-') + { + if (legal_number (list->word->word + 1, &num) == 0) + { + sh_invalidnum (list->word->word); + builtin_usage (); + return (EXECUTION_FAILURE); + } + + if (direction == '-') + num = directory_list_offset - num; + + if (num > directory_list_offset || num < 0) + { + pushd_error (directory_list_offset, list->word->word); + return (EXECUTION_FAILURE); + } + flags |= ROTATE; + } + else if (*list->word->word == '-') + { + sh_invalidopt (list->word->word); + builtin_usage (); + return (EXECUTION_FAILURE); + } + else + break; + } + + if (flags & ROTATE) + { + /* Rotate the stack num times. Remember, the current + directory acts like it is part of the stack. */ + temp = get_working_directory ("pushd"); + + if (num == 0) + { + j = ((flags & NOCD) == 0) ? change_to_temp (temp) : EXECUTION_SUCCESS; + free (temp); + return j; + } + + do + { + top = pushd_directory_list[directory_list_offset - 1]; + + for (j = directory_list_offset - 2; j > -1; j--) + pushd_directory_list[j + 1] = pushd_directory_list[j]; + + pushd_directory_list[j + 1] = temp; + + temp = top; + num--; + } + while (num); + + j = ((flags & NOCD) == 0) ? change_to_temp (temp) : EXECUTION_SUCCESS; + free (temp); + return j; + } + + if (list == 0) + return (EXECUTION_SUCCESS); + + /* Change to the directory in list->word->word. Save the current + directory on the top of the stack. */ + current_directory = get_working_directory ("pushd"); + if (current_directory == 0) + return (EXECUTION_FAILURE); + + j = ((flags & NOCD) == 0) ? cd_builtin (skipopt ? orig_list : list) : EXECUTION_SUCCESS; + if (j == EXECUTION_SUCCESS) + { + add_dirstack_element ((flags & NOCD) ? savestring (list->word->word) : current_directory); + dirs_builtin ((WORD_LIST *)NULL); + if (flags & NOCD) + free (current_directory); + return (EXECUTION_SUCCESS); + } + else + { + free (current_directory); + return (EXECUTION_FAILURE); + } +} + +/* Pop the directory stack, and then change to the new top of the stack. + If LIST is non-null it should consist of a word +N or -N, which says + what element to delete from the stack. The default is the top one. */ +int +popd_builtin (list) + WORD_LIST *list; +{ + register int i; + intmax_t which; + int flags; + char direction; + char *which_word; + + which_word = (char *)NULL; + for (flags = 0, which = 0, direction = '+'; list; list = list->next) + { + if (ISOPTION (list->word->word, 'n')) + { + flags |= NOCD; + } + else if (ISOPTION (list->word->word, '-')) + { + list = list->next; + break; + } + else if (((direction = list->word->word[0]) == '+') || direction == '-') + { + if (legal_number (list->word->word + 1, &which) == 0) + { + sh_invalidnum (list->word->word); + builtin_usage (); + return (EXECUTION_FAILURE); + } + which_word = list->word->word; + } + else if (*list->word->word == '-') + { + sh_invalidopt (list->word->word); + builtin_usage (); + return (EXECUTION_FAILURE); + } + else + break; + } + + if (which > directory_list_offset || (directory_list_offset == 0 && which == 0)) + { + pushd_error (directory_list_offset, which_word ? which_word : ""); + return (EXECUTION_FAILURE); + } + + /* Handle case of no specification, or top of stack specification. */ + if ((direction == '+' && which == 0) || + (direction == '-' && which == directory_list_offset)) + { + i = ((flags & NOCD) == 0) ? cd_to_string (pushd_directory_list[directory_list_offset - 1]) + : EXECUTION_SUCCESS; + if (i != EXECUTION_SUCCESS) + return (i); + free (pushd_directory_list[--directory_list_offset]); + } + else + { + /* Since an offset other than the top directory was specified, + remove that directory from the list and shift the remainder + of the list into place. */ + i = (direction == '+') ? directory_list_offset - which : which; + free (pushd_directory_list[i]); + directory_list_offset--; + + /* Shift the remainder of the list into place. */ + for (; i < directory_list_offset; i++) + pushd_directory_list[i] = pushd_directory_list[i + 1]; + } + + dirs_builtin ((WORD_LIST *)NULL); + return (EXECUTION_SUCCESS); +} + +/* Print the current list of directories on the directory stack. */ +int +dirs_builtin (list) + WORD_LIST *list; +{ + int flags, desired_index, index_flag, vflag; + intmax_t i; + char *temp, *w; + + for (flags = vflag = index_flag = 0, desired_index = -1, w = ""; list; list = list->next) + { + if (ISOPTION (list->word->word, 'l')) + { + flags |= LONGFORM; + } + else if (ISOPTION (list->word->word, 'c')) + { + flags |= CLEARSTAK; + } + else if (ISOPTION (list->word->word, 'v')) + { + vflag |= 2; + } + else if (ISOPTION (list->word->word, 'p')) + { + vflag |= 1; + } + else if (ISOPTION (list->word->word, '-')) + { + list = list->next; + break; + } + else if (*list->word->word == '+' || *list->word->word == '-') + { + int sign; + if (legal_number (w = list->word->word + 1, &i) == 0) + { + sh_invalidnum (list->word->word); + builtin_usage (); + return (EXECUTION_FAILURE); + } + sign = (*list->word->word == '+') ? 1 : -1; + desired_index = get_dirstack_index (i, sign, &index_flag); + } + else + { + sh_invalidopt (list->word->word); + builtin_usage (); + return (EXECUTION_FAILURE); + } + } + + if (flags & CLEARSTAK) + { + clear_directory_stack (); + return (EXECUTION_SUCCESS); + } + + if (index_flag && (desired_index < 0 || desired_index > directory_list_offset)) + { + pushd_error (directory_list_offset, w); + return (EXECUTION_FAILURE); + } + +#define DIRSTACK_FORMAT(temp) \ + (flags & LONGFORM) ? temp : polite_directory_format (temp) + + /* The first directory printed is always the current working directory. */ + if (index_flag == 0 || (index_flag == 1 && desired_index == 0)) + { + temp = get_working_directory ("dirs"); + if (temp == 0) + temp = savestring (_("<no current directory>")); + if (vflag & 2) + printf ("%2d %s", 0, DIRSTACK_FORMAT (temp)); + else + printf ("%s", DIRSTACK_FORMAT (temp)); + free (temp); + if (index_flag) + { + putchar ('\n'); + return (sh_chkwrite (EXECUTION_SUCCESS)); + } + } + +#define DIRSTACK_ENTRY(i) \ + (flags & LONGFORM) ? pushd_directory_list[i] \ + : polite_directory_format (pushd_directory_list[i]) + + /* Now print the requested directory stack entries. */ + if (index_flag) + { + if (vflag & 2) + printf ("%2d %s", directory_list_offset - desired_index, + DIRSTACK_ENTRY (desired_index)); + else + printf ("%s", DIRSTACK_ENTRY (desired_index)); + } + else + for (i = directory_list_offset - 1; i >= 0; i--) + if (vflag >= 2) + printf ("\n%2d %s", directory_list_offset - (int)i, DIRSTACK_ENTRY (i)); + else + printf ("%s%s", (vflag & 1) ? "\n" : " ", DIRSTACK_ENTRY (i)); + + putchar ('\n'); + + return (sh_chkwrite (EXECUTION_SUCCESS)); +} + +static void +pushd_error (offset, arg) + int offset; + char *arg; +{ + if (offset == 0) + builtin_error (_("directory stack empty")); + else + sh_erange (arg, _("directory stack index")); +} + +static void +clear_directory_stack () +{ + register int i; + + for (i = 0; i < directory_list_offset; i++) + free (pushd_directory_list[i]); + directory_list_offset = 0; +} + +/* Switch to the directory in NAME. This uses the cd_builtin to do the work, + so if the result is EXECUTION_FAILURE then an error message has already + been printed. */ +static int +cd_to_string (name) + char *name; +{ + WORD_LIST *tlist; + WORD_LIST *dir; + int result; + + dir = make_word_list (make_word (name), NULL); + tlist = make_word_list (make_word ("--"), dir); + result = cd_builtin (tlist); + dispose_words (tlist); + return (result); +} + +static int +change_to_temp (temp) + char *temp; +{ + int tt; + + tt = temp ? cd_to_string (temp) : EXECUTION_FAILURE; + + if (tt == EXECUTION_SUCCESS) + dirs_builtin ((WORD_LIST *)NULL); + + return (tt); +} + +static void +add_dirstack_element (dir) + char *dir; +{ + if (directory_list_offset == directory_list_size) + pushd_directory_list = strvec_resize (pushd_directory_list, directory_list_size += 10); + pushd_directory_list[directory_list_offset++] = dir; +} + +static int +get_dirstack_index (ind, sign, indexp) + intmax_t ind; + int sign, *indexp; +{ + if (indexp) + *indexp = sign > 0 ? 1 : 2; + + /* dirs +0 prints the current working directory. */ + /* dirs -0 prints last element in directory stack */ + if (ind == 0 && sign > 0) + return 0; + else if (ind == directory_list_offset) + { + if (indexp) + *indexp = sign > 0 ? 2 : 1; + return 0; + } + else if (ind >= 0 && ind <= directory_list_offset) + return (sign > 0 ? directory_list_offset - ind : ind); + else + return -1; +} + +/* Used by the tilde expansion code. */ +char * +get_dirstack_from_string (string) + char *string; +{ + int ind, sign, index_flag; + intmax_t i; + + sign = 1; + if (*string == '-' || *string == '+') + { + sign = (*string == '-') ? -1 : 1; + string++; + } + if (legal_number (string, &i) == 0) + return ((char *)NULL); + + index_flag = 0; + ind = get_dirstack_index (i, sign, &index_flag); + if (index_flag && (ind < 0 || ind > directory_list_offset)) + return ((char *)NULL); + if (index_flag == 0 || (index_flag == 1 && ind == 0)) + return (get_string_value ("PWD")); + else + return (pushd_directory_list[ind]); +} + +#ifdef INCLUDE_UNUSED +char * +get_dirstack_element (ind, sign) + intmax_t ind; + int sign; +{ + int i; + + i = get_dirstack_index (ind, sign, (int *)NULL); + return (i < 0 || i > directory_list_offset) ? (char *)NULL + : pushd_directory_list[i]; +} +#endif + +void +set_dirstack_element (ind, sign, value) + intmax_t ind; + int sign; + char *value; +{ + int i; + + i = get_dirstack_index (ind, sign, (int *)NULL); + if (ind == 0 || i < 0 || i > directory_list_offset) + return; + free (pushd_directory_list[i]); + pushd_directory_list[i] = savestring (value); +} + +WORD_LIST * +get_directory_stack (flags) + int flags; +{ + register int i; + WORD_LIST *ret; + char *d, *t; + + for (ret = (WORD_LIST *)NULL, i = 0; i < directory_list_offset; i++) + { + d = (flags&1) ? polite_directory_format (pushd_directory_list[i]) + : pushd_directory_list[i]; + ret = make_word_list (make_word (d), ret); + } + /* Now the current directory. */ + d = get_working_directory ("dirstack"); + i = 0; /* sentinel to decide whether or not to free d */ + if (d == 0) + d = "."; + else + { + t = polite_directory_format (d); + /* polite_directory_format sometimes returns its argument unchanged. + If it does not, we can free d right away. If it does, we need to + mark d to be deleted later. */ + if (t != d) + { + free (d); + d = t; + } + else /* t == d, so d is what we want */ + i = 1; + } + ret = make_word_list (make_word (d), ret); + if (i) + free (d); + return ret; /* was (REVERSE_LIST (ret, (WORD_LIST *)); */ +} + +#ifdef LOADABLE_BUILTIN +char * const dirs_doc[] = { +N_("Display the list of currently remembered directories. Directories\n\ + find their way onto the list with the `pushd' command; you can get\n\ + back up through the list with the `popd' command.\n\ + \n\ + Options:\n\ + -c clear the directory stack by deleting all of the elements\n\ + -l do not print tilde-prefixed versions of directories relative\n\ + to your home directory\n\ + -p print the directory stack with one entry per line\n\ + -v print the directory stack with one entry per line prefixed\n\ + with its position in the stack\n\ + \n\ + Arguments:\n\ + +N Displays the Nth entry counting from the left of the list shown by\n\ + dirs when invoked without options, starting with zero.\n\ + \n\ + -N Displays the Nth entry counting from the right of the list shown by\n\ + dirs when invoked without options, starting with zero."), + (char *)NULL +}; + +char * const pushd_doc[] = { +N_("Adds a directory to the top of the directory stack, or rotates\n\ + the stack, making the new top of the stack the current working\n\ + directory. With no arguments, exchanges the top two directories.\n\ + \n\ + Options:\n\ + -n Suppresses the normal change of directory when adding\n\ + directories to the stack, so only the stack is manipulated.\n\ + \n\ + Arguments:\n\ + +N Rotates the stack so that the Nth directory (counting\n\ + from the left of the list shown by `dirs', starting with\n\ + zero) is at the top.\n\ + \n\ + -N Rotates the stack so that the Nth directory (counting\n\ + from the right of the list shown by `dirs', starting with\n\ + zero) is at the top.\n\ + \n\ + dir Adds DIR to the directory stack at the top, making it the\n\ + new current working directory.\n\ + \n\ + The `dirs' builtin displays the directory stack."), + (char *)NULL +}; + +char * const popd_doc[] = { +N_("Removes entries from the directory stack. With no arguments, removes\n\ + the top directory from the stack, and changes to the new top directory.\n\ + \n\ + Options:\n\ + -n Suppresses the normal change of directory when removing\n\ + directories from the stack, so only the stack is manipulated.\n\ + \n\ + Arguments:\n\ + +N Removes the Nth entry counting from the left of the list\n\ + shown by `dirs', starting with zero. For example: `popd +0'\n\ + removes the first directory, `popd +1' the second.\n\ + \n\ + -N Removes the Nth entry counting from the right of the list\n\ + shown by `dirs', starting with zero. For example: `popd -0'\n\ + removes the last directory, `popd -1' the next to last.\n\ + \n\ + The `dirs' builtin displays the directory stack."), + (char *)NULL +}; + +struct builtin pushd_struct = { + "pushd", + pushd_builtin, + BUILTIN_ENABLED, + pushd_doc, + "pushd [+N | -N] [-n] [dir]", + 0 +}; + +struct builtin popd_struct = { + "popd", + popd_builtin, + BUILTIN_ENABLED, + popd_doc, + "popd [+N | -N] [-n]", + 0 +}; + +struct builtin dirs_struct = { + "dirs", + dirs_builtin, + BUILTIN_ENABLED, + dirs_doc, + "dirs [-clpv] [+N] [-N]", + 0 +}; +#endif /* LOADABLE_BUILTIN */ + +#endif /* PUSHD_AND_POPD */ diff --git a/builtins/read.c b/builtins/read.c new file mode 100644 index 0000000..3eb4ceb --- /dev/null +++ b/builtins/read.c @@ -0,0 +1,925 @@ +/* read.c, created from read.def. */ +#line 22 "./read.def" + +#line 65 "./read.def" + +#include <config.h> + +#include "bashtypes.h" +#include "posixstat.h" + +#include <stdio.h> + +#include "bashansi.h" + +#if defined (HAVE_UNISTD_H) +# include <unistd.h> +#endif + +#include <signal.h> +#include <errno.h> + +#ifdef __CYGWIN__ +# include <fcntl.h> +# include <io.h> +#endif + +#include "../bashintl.h" + +#include "../shell.h" +#include "common.h" +#include "bashgetopt.h" + +#include <shtty.h> + +#if defined (READLINE) +#include "../bashline.h" +#include <readline/readline.h> +#endif + +#if defined (BUFFERED_INPUT) +# include "input.h" +#endif + +#if !defined(errno) +extern int errno; +#endif + +struct ttsave +{ + int fd; + TTYSTRUCT *attrs; +}; + +#if defined (READLINE) +static void reset_attempted_completion_function __P((char *)); +static int set_itext __P((void)); +static char *edit_line __P((char *, char *)); +static void set_eol_delim __P((int)); +static void reset_eol_delim __P((char *)); +#endif +static SHELL_VAR *bind_read_variable __P((char *, char *)); +#if defined (HANDLE_MULTIBYTE) +static int read_mbchar __P((int, char *, int, int, int)); +#endif +static void ttyrestore __P((struct ttsave *)); + +static sighandler sigalrm __P((int)); +static void reset_alarm __P((void)); + +static procenv_t alrmbuf; +static SigHandler *old_alrm; +static unsigned char delim; + +static sighandler +sigalrm (s) + int s; +{ + longjmp (alrmbuf, 1); +} + +static void +reset_alarm () +{ + set_signal_handler (SIGALRM, old_alrm); + falarm (0, 0); +} + +/* Read the value of the shell variables whose names follow. + The reading is done from the current input stream, whatever + that may be. Successive words of the input line are assigned + to the variables mentioned in LIST. The last variable in LIST + gets the remainder of the words on the line. If no variables + are mentioned in LIST, then the default variable is $REPLY. */ +int +read_builtin (list) + WORD_LIST *list; +{ + register char *varname; + int size, i, nr, pass_next, saw_escape, eof, opt, retval, code, print_ps2; + int input_is_tty, input_is_pipe, unbuffered_read, skip_ctlesc, skip_ctlnul; + int raw, edit, nchars, silent, have_timeout, ignore_delim, fd; + unsigned int tmsec, tmusec; + long ival, uval; + intmax_t intval; + char c; + char *input_string, *orig_input_string, *ifs_chars, *prompt, *arrayname; + char *e, *t, *t1, *ps2, *tofree; + struct stat tsb; + SHELL_VAR *var; + TTYSTRUCT ttattrs, ttset; + struct ttsave termsave; +#if defined (ARRAY_VARS) + WORD_LIST *alist; +#endif +#if defined (READLINE) + char *rlbuf, *itext; + int rlind; +#endif + + USE_VAR(size); + USE_VAR(i); + USE_VAR(pass_next); + USE_VAR(print_ps2); + USE_VAR(saw_escape); + USE_VAR(input_is_pipe); +/* USE_VAR(raw); */ + USE_VAR(edit); + USE_VAR(tmsec); + USE_VAR(tmusec); + USE_VAR(nchars); + USE_VAR(silent); + USE_VAR(ifs_chars); + USE_VAR(prompt); + USE_VAR(arrayname); +#if defined (READLINE) + USE_VAR(rlbuf); + USE_VAR(rlind); + USE_VAR(itext); +#endif + USE_VAR(list); + USE_VAR(ps2); + + i = 0; /* Index into the string that we are reading. */ + raw = edit = 0; /* Not reading raw input by default. */ + silent = 0; + arrayname = prompt = (char *)NULL; + fd = 0; /* file descriptor to read from */ + +#if defined (READLINE) + rlbuf = itext = (char *)0; + rlind = 0; +#endif + + tmsec = tmusec = 0; /* no timeout */ + nr = nchars = input_is_tty = input_is_pipe = unbuffered_read = have_timeout = 0; + delim = '\n'; /* read until newline */ + ignore_delim = 0; + + reset_internal_getopt (); + while ((opt = internal_getopt (list, "ersa:d:i:n:p:t:u:N:")) != -1) + { + switch (opt) + { + case 'r': + raw = 1; + break; + case 'p': + prompt = list_optarg; + break; + case 's': + silent = 1; + break; + case 'e': +#if defined (READLINE) + edit = 1; +#endif + break; + case 'i': +#if defined (READLINE) + itext = list_optarg; +#endif + break; +#if defined (ARRAY_VARS) + case 'a': + arrayname = list_optarg; + break; +#endif + case 't': + code = uconvert (list_optarg, &ival, &uval); + if (code == 0 || ival < 0 || uval < 0) + { + builtin_error (_("%s: invalid timeout specification"), list_optarg); + return (EXECUTION_FAILURE); + } + else + { + have_timeout = 1; + tmsec = ival; + tmusec = uval; + } + break; + case 'N': + ignore_delim = 1; + delim = -1; + case 'n': + code = legal_number (list_optarg, &intval); + if (code == 0 || intval < 0 || intval != (int)intval) + { + sh_invalidnum (list_optarg); + return (EXECUTION_FAILURE); + } + else + nchars = intval; + break; + case 'u': + code = legal_number (list_optarg, &intval); + if (code == 0 || intval < 0 || intval != (int)intval) + { + builtin_error (_("%s: invalid file descriptor specification"), list_optarg); + return (EXECUTION_FAILURE); + } + else + fd = intval; + if (sh_validfd (fd) == 0) + { + builtin_error (_("%d: invalid file descriptor: %s"), fd, strerror (errno)); + return (EXECUTION_FAILURE); + } + break; + case 'd': + delim = *list_optarg; + break; + default: + builtin_usage (); + return (EX_USAGE); + } + } + list = loptend; + + /* `read -t 0 var' tests whether input is available with select/FIONREAD, + and fails if those are unavailable */ + if (have_timeout && tmsec == 0 && tmusec == 0) +#if 0 + return (EXECUTION_FAILURE); +#else + return (input_avail (fd) ? EXECUTION_SUCCESS : EXECUTION_FAILURE); +#endif + + /* If we're asked to ignore the delimiter, make sure we do. */ + if (ignore_delim) + delim = -1; + + /* IF IFS is unset, we use the default of " \t\n". */ + ifs_chars = getifs (); + if (ifs_chars == 0) /* XXX - shouldn't happen */ + ifs_chars = ""; + /* If we want to read exactly NCHARS chars, don't split on IFS */ + if (ignore_delim) + ifs_chars = ""; + for (skip_ctlesc = skip_ctlnul = 0, e = ifs_chars; *e; e++) + skip_ctlesc |= *e == CTLESC, skip_ctlnul |= *e == CTLNUL; + + input_string = (char *)xmalloc (size = 112); /* XXX was 128 */ + input_string[0] = '\0'; + + /* $TMOUT, if set, is the default timeout for read. */ + if (have_timeout == 0 && (e = get_string_value ("TMOUT"))) + { + code = uconvert (e, &ival, &uval); + if (code == 0 || ival < 0 || uval < 0) + tmsec = tmusec = 0; + else + { + tmsec = ival; + tmusec = uval; + } + } + + begin_unwind_frame ("read_builtin"); + +#if defined (BUFFERED_INPUT) + if (interactive == 0 && default_buffered_input >= 0 && fd_is_bash_input (fd)) + sync_buffered_stream (default_buffered_input); +#endif + + input_is_tty = isatty (fd); + if (input_is_tty == 0) +#ifndef __CYGWIN__ + input_is_pipe = (lseek (fd, 0L, SEEK_CUR) < 0) && (errno == ESPIPE); +#else + input_is_pipe = 1; +#endif + + /* If the -p, -e or -s flags were given, but input is not coming from the + terminal, turn them off. */ + if ((prompt || edit || silent) && input_is_tty == 0) + { + prompt = (char *)NULL; +#if defined (READLINE) + itext = (char *)NULL; +#endif + edit = silent = 0; + } + +#if defined (READLINE) + if (edit) + add_unwind_protect (xfree, rlbuf); +#endif + + pass_next = 0; /* Non-zero signifies last char was backslash. */ + saw_escape = 0; /* Non-zero signifies that we saw an escape char */ + + if (tmsec > 0 || tmusec > 0) + { + /* Turn off the timeout if stdin is a regular file (e.g. from + input redirection). */ + if ((fstat (fd, &tsb) < 0) || S_ISREG (tsb.st_mode)) + tmsec = tmusec = 0; + } + + if (tmsec > 0 || tmusec > 0) + { + code = setjmp (alrmbuf); + if (code) + { + /* Tricky. The top of the unwind-protect stack is the free of + input_string. We want to run all the rest and use input_string, + so we have to remove it from the stack. */ + remove_unwind_protect (); + run_unwind_frame ("read_builtin"); + input_string[i] = '\0'; /* make sure it's terminated */ + retval = 128+SIGALRM; + goto assign_vars; + } + old_alrm = set_signal_handler (SIGALRM, sigalrm); + add_unwind_protect (reset_alarm, (char *)NULL); +#if defined (READLINE) + if (edit) + add_unwind_protect (reset_attempted_completion_function, (char *)NULL); +#endif + falarm (tmsec, tmusec); + } + + /* If we've been asked to read only NCHARS chars, or we're using some + character other than newline to terminate the line, do the right + thing to readline or the tty. */ + if (nchars > 0 || delim != '\n') + { +#if defined (READLINE) + if (edit) + { + if (nchars > 0) + { + unwind_protect_int (rl_num_chars_to_read); + rl_num_chars_to_read = nchars; + } + if (delim != '\n') + { + set_eol_delim (delim); + add_unwind_protect (reset_eol_delim, (char *)NULL); + } + } + else +#endif + if (input_is_tty) + { + /* ttsave() */ + termsave.fd = fd; + ttgetattr (fd, &ttattrs); + termsave.attrs = &ttattrs; + + ttset = ttattrs; + i = silent ? ttfd_cbreak (fd, &ttset) : ttfd_onechar (fd, &ttset); + if (i < 0) + sh_ttyerror (1); + add_unwind_protect ((Function *)ttyrestore, (char *)&termsave); + } + } + else if (silent) /* turn off echo but leave term in canonical mode */ + { + /* ttsave (); */ + termsave.fd = fd; + ttgetattr (fd, &ttattrs); + termsave.attrs = &ttattrs; + + ttset = ttattrs; + i = ttfd_noecho (fd, &ttset); /* ttnoecho (); */ + if (i < 0) + sh_ttyerror (1); + + add_unwind_protect ((Function *)ttyrestore, (char *)&termsave); + } + + /* This *must* be the top unwind-protect on the stack, so the manipulation + of the unwind-protect stack after the realloc() works right. */ + add_unwind_protect (xfree, input_string); + interrupt_immediately++; + terminate_immediately++; + + unbuffered_read = (nchars > 0) || (delim != '\n') || input_is_pipe; + + if (prompt && edit == 0) + { + fprintf (stderr, "%s", prompt); + fflush (stderr); + } + +#if defined (__CYGWIN__) && defined (O_TEXT) + setmode (0, O_TEXT); +#endif + + ps2 = 0; + for (print_ps2 = eof = retval = 0;;) + { +#if defined (READLINE) + if (edit) + { + if (rlbuf && rlbuf[rlind] == '\0') + { + xfree (rlbuf); + rlbuf = (char *)0; + } + if (rlbuf == 0) + { + rlbuf = edit_line (prompt ? prompt : "", itext); + rlind = 0; + } + if (rlbuf == 0) + { + eof = 1; + break; + } + c = rlbuf[rlind++]; + } + else + { +#endif + + if (print_ps2) + { + if (ps2 == 0) + ps2 = get_string_value ("PS2"); + fprintf (stderr, "%s", ps2 ? ps2 : ""); + fflush (stderr); + print_ps2 = 0; + } + + if (unbuffered_read) + retval = zread (fd, &c, 1); + else + retval = zreadc (fd, &c); + + if (retval <= 0) + { + eof = 1; + break; + } + +#if defined (READLINE) + } +#endif + + if (i + 4 >= size) /* XXX was i + 2; use i + 4 for multibyte/read_mbchar */ + { + input_string = (char *)xrealloc (input_string, size += 128); + remove_unwind_protect (); + add_unwind_protect (xfree, input_string); + } + + /* If the next character is to be accepted verbatim, a backslash + newline pair still disappears from the input. */ + if (pass_next) + { + pass_next = 0; + if (c == '\n') + { + i--; /* back up over the CTLESC */ + if (interactive && input_is_tty && raw == 0) + print_ps2 = 1; + } + else + goto add_char; + continue; + } + + /* This may cause problems if IFS contains CTLESC */ + if (c == '\\' && raw == 0) + { + pass_next++; + if (skip_ctlesc == 0) + { + saw_escape++; + input_string[i++] = CTLESC; + } + continue; + } + + if ((unsigned char)c == delim) + break; + + if ((skip_ctlesc == 0 && c == CTLESC) || (skip_ctlnul == 0 && c == CTLNUL)) + { + saw_escape++; + input_string[i++] = CTLESC; + } + +add_char: + input_string[i++] = c; + +#if defined (HANDLE_MULTIBYTE) + if (nchars > 0 && MB_CUR_MAX > 1) + { + input_string[i] = '\0'; /* for simplicity and debugging */ + i += read_mbchar (fd, input_string, i, c, unbuffered_read); + } +#endif + + nr++; + + if (nchars > 0 && nr >= nchars) + break; + } + input_string[i] = '\0'; + +#if 1 + if (retval < 0) + { + builtin_error (_("read error: %d: %s"), fd, strerror (errno)); + run_unwind_frame ("read_builtin"); + return (EXECUTION_FAILURE); + } +#endif + + if (tmsec > 0 || tmusec > 0) + reset_alarm (); + + if (nchars > 0 || delim != '\n') + { +#if defined (READLINE) + if (edit) + { + if (nchars > 0) + rl_num_chars_to_read = 0; + if (delim != '\n') + reset_eol_delim ((char *)NULL); + } + else +#endif + if (input_is_tty) + ttyrestore (&termsave); + } + else if (silent) + ttyrestore (&termsave); + + if (unbuffered_read == 0) + zsyncfd (fd); + + discard_unwind_frame ("read_builtin"); + + retval = eof ? EXECUTION_FAILURE : EXECUTION_SUCCESS; + +assign_vars: + + interrupt_immediately--; + terminate_immediately--; + +#if defined (ARRAY_VARS) + /* If -a was given, take the string read, break it into a list of words, + an assign them to `arrayname' in turn. */ + if (arrayname) + { + if (legal_identifier (arrayname) == 0) + { + sh_invalidid (arrayname); + xfree (input_string); + return (EXECUTION_FAILURE); + } + + var = find_or_make_array_variable (arrayname, 1); + if (var == 0) + { + xfree (input_string); + return EXECUTION_FAILURE; /* readonly or noassign */ + } + array_flush (array_cell (var)); + + alist = list_string (input_string, ifs_chars, 0); + if (alist) + { + if (saw_escape) + dequote_list (alist); + else + word_list_remove_quoted_nulls (alist); + assign_array_var_from_word_list (var, alist, 0); + dispose_words (alist); + } + xfree (input_string); + return (retval); + } +#endif /* ARRAY_VARS */ + + /* If there are no variables, save the text of the line read to the + variable $REPLY. ksh93 strips leading and trailing IFS whitespace, + so that `read x ; echo "$x"' and `read ; echo "$REPLY"' behave the + same way, but I believe that the difference in behaviors is useful + enough to not do it. Without the bash behavior, there is no way + to read a line completely without interpretation or modification + unless you mess with $IFS (e.g., setting it to the empty string). + If you disagree, change the occurrences of `#if 0' to `#if 1' below. */ + if (list == 0) + { +#if 0 + orig_input_string = input_string; + for (t = input_string; ifs_chars && *ifs_chars && spctabnl(*t) && isifs(*t); t++) + ; + input_string = t; + input_string = strip_trailing_ifs_whitespace (input_string, ifs_chars, saw_escape); +#endif + + if (saw_escape) + { + t = dequote_string (input_string); + var = bind_variable ("REPLY", t, 0); + free (t); + } + else + var = bind_variable ("REPLY", input_string, 0); + VUNSETATTR (var, att_invisible); + + free (input_string); + return (retval); + } + + /* This code implements the Posix.2 spec for splitting the words + read and assigning them to variables. */ + orig_input_string = input_string; + + /* Remove IFS white space at the beginning of the input string. If + $IFS is null, no field splitting is performed. */ + for (t = input_string; ifs_chars && *ifs_chars && spctabnl(*t) && isifs(*t); t++) + ; + input_string = t; + for (; list->next; list = list->next) + { + varname = list->word->word; +#if defined (ARRAY_VARS) + if (legal_identifier (varname) == 0 && valid_array_reference (varname) == 0) +#else + if (legal_identifier (varname) == 0) +#endif + { + sh_invalidid (varname); + xfree (orig_input_string); + return (EXECUTION_FAILURE); + } + + /* If there are more variables than words read from the input, + the remaining variables are set to the empty string. */ + if (*input_string) + { + /* This call updates INPUT_STRING. */ + t = get_word_from_string (&input_string, ifs_chars, &e); + if (t) + *e = '\0'; + /* Don't bother to remove the CTLESC unless we added one + somewhere while reading the string. */ + if (t && saw_escape) + { + t1 = dequote_string (t); + var = bind_read_variable (varname, t1); + xfree (t1); + } + else + var = bind_read_variable (varname, t); + } + else + { + t = (char *)0; + var = bind_read_variable (varname, ""); + } + + FREE (t); + if (var == 0) + { + xfree (orig_input_string); + return (EXECUTION_FAILURE); + } + + stupidly_hack_special_variables (varname); + VUNSETATTR (var, att_invisible); + } + + /* Now assign the rest of the line to the last variable argument. */ +#if defined (ARRAY_VARS) + if (legal_identifier (list->word->word) == 0 && valid_array_reference (list->word->word) == 0) +#else + if (legal_identifier (list->word->word) == 0) +#endif + { + sh_invalidid (list->word->word); + xfree (orig_input_string); + return (EXECUTION_FAILURE); + } + +#if 0 + /* This has to be done this way rather than using string_list + and list_string because Posix.2 says that the last variable gets the + remaining words and their intervening separators. */ + input_string = strip_trailing_ifs_whitespace (input_string, ifs_chars, saw_escape); +#else + /* Check whether or not the number of fields is exactly the same as the + number of variables. */ + tofree = NULL; + if (*input_string) + { + t1 = input_string; + t = get_word_from_string (&input_string, ifs_chars, &e); + if (*input_string == 0) + tofree = input_string = t; + else + { + input_string = strip_trailing_ifs_whitespace (t1, ifs_chars, saw_escape); + tofree = t; + } + } +#endif + + if (saw_escape) + { + t = dequote_string (input_string); + var = bind_read_variable (list->word->word, t); + xfree (t); + } + else + var = bind_read_variable (list->word->word, input_string); + stupidly_hack_special_variables (list->word->word); + FREE (tofree); + + if (var) + VUNSETATTR (var, att_invisible); + xfree (orig_input_string); + + return (retval); +} + +static SHELL_VAR * +bind_read_variable (name, value) + char *name, *value; +{ +#if defined (ARRAY_VARS) + if (valid_array_reference (name) == 0) + return (bind_variable (name, value, 0)); + else + return (assign_array_element (name, value, 0)); +#else /* !ARRAY_VARS */ + return bind_variable (name, value, 0); +#endif /* !ARRAY_VARS */ +} + +#if defined (HANDLE_MULTIBYTE) +static int +read_mbchar (fd, string, ind, ch, unbuffered) + int fd; + char *string; + int ind, ch, unbuffered; +{ + char mbchar[MB_LEN_MAX + 1]; + int i, n, r; + char c; + size_t ret; + mbstate_t ps, ps_back; + wchar_t wc; + + memset (&ps, '\0', sizeof (mbstate_t)); + memset (&ps_back, '\0', sizeof (mbstate_t)); + + mbchar[0] = ch; + i = 1; + for (n = 0; n <= MB_LEN_MAX; n++) + { + ps_back = ps; + ret = mbrtowc (&wc, mbchar, i, &ps); + if (ret == (size_t)-2) + { + ps = ps_back; + if (unbuffered) + r = zread (fd, &c, 1); + else + r = zreadc (fd, &c); + if (r < 0) + goto mbchar_return; + mbchar[i++] = c; + continue; + } + else if (ret == (size_t)-1 || ret == (size_t)0 || ret > (size_t)0) + break; + } + +mbchar_return: + if (i > 1) /* read a multibyte char */ + /* mbchar[0] is already string[ind-1] */ + for (r = 1; r < i; r++) + string[ind+r-1] = mbchar[r]; + return i - 1; +} +#endif + + +static void +ttyrestore (ttp) + struct ttsave *ttp; +{ + ttsetattr (ttp->fd, ttp->attrs); +} + +#if defined (READLINE) +static rl_completion_func_t *old_attempted_completion_function = 0; +static rl_hook_func_t *old_startup_hook; +static char *deftext; + +static void +reset_attempted_completion_function (cp) + char *cp; +{ + if (rl_attempted_completion_function == 0 && old_attempted_completion_function) + rl_attempted_completion_function = old_attempted_completion_function; +} + +static int +set_itext () +{ + int r1, r2; + + r1 = r2 = 0; + if (old_startup_hook) + r1 = (*old_startup_hook) (); + if (deftext) + { + r2 = rl_insert_text (deftext); + deftext = (char *)NULL; + rl_startup_hook = old_startup_hook; + old_startup_hook = (rl_hook_func_t *)NULL; + } + return (r1 || r2); +} + +static char * +edit_line (p, itext) + char *p; + char *itext; +{ + char *ret; + int len; + + if (bash_readline_initialized == 0) + initialize_readline (); + + old_attempted_completion_function = rl_attempted_completion_function; + rl_attempted_completion_function = (rl_completion_func_t *)NULL; + if (itext) + { + old_startup_hook = rl_startup_hook; + rl_startup_hook = set_itext; + deftext = itext; + } + ret = readline (p); + rl_attempted_completion_function = old_attempted_completion_function; + old_attempted_completion_function = (rl_completion_func_t *)NULL; + + if (ret == 0) + return ret; + len = strlen (ret); + ret = (char *)xrealloc (ret, len + 2); + ret[len++] = delim; + ret[len] = '\0'; + return ret; +} + +static int old_delim_ctype; +static rl_command_func_t *old_delim_func; +static int old_newline_ctype; +static rl_command_func_t *old_newline_func; + +static unsigned char delim_char; + +static void +set_eol_delim (c) + int c; +{ + Keymap cmap; + + if (bash_readline_initialized == 0) + initialize_readline (); + cmap = rl_get_keymap (); + + /* Change newline to self-insert */ + old_newline_ctype = cmap[RETURN].type; + old_newline_func = cmap[RETURN].function; + cmap[RETURN].type = ISFUNC; + cmap[RETURN].function = rl_insert; + + /* Bind the delimiter character to accept-line. */ + old_delim_ctype = cmap[c].type; + old_delim_func = cmap[c].function; + cmap[c].type = ISFUNC; + cmap[c].function = rl_newline; + + delim_char = c; +} + +static void +reset_eol_delim (cp) + char *cp; +{ + Keymap cmap; + + cmap = rl_get_keymap (); + + cmap[RETURN].type = old_newline_ctype; + cmap[RETURN].function = old_newline_func; + + cmap[delim_char].type = old_delim_ctype; + cmap[delim_char].function = old_delim_func; +} +#endif diff --git a/builtins/return.c b/builtins/return.c new file mode 100644 index 0000000..d48b198 --- /dev/null +++ b/builtins/return.c @@ -0,0 +1,45 @@ +/* return.c, created from return.def. */ +#line 22 "./return.def" + +#line 36 "./return.def" + +#include <config.h> + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include "../bashintl.h" + +#include "../shell.h" +#include "common.h" +#include "bashgetopt.h" + +extern int last_command_exit_value; +extern int subshell_environment; +extern int return_catch_flag, return_catch_value; + +/* If we are executing a user-defined function then exit with the value + specified as an argument. if no argument is given, then the last + exit status is used. */ +int +return_builtin (list) + WORD_LIST *list; +{ + if (no_options (list)) + return (EX_USAGE); + list = loptend; /* skip over possible `--' */ + + return_catch_value = get_exitstat (list); + + if (return_catch_flag) + longjmp (return_catch, 1); + else + { + builtin_error (_("can only `return' from a function or sourced script")); + return (EXECUTION_FAILURE); + } +} diff --git a/builtins/set.c b/builtins/set.c new file mode 100644 index 0000000..e460223 --- /dev/null +++ b/builtins/set.c @@ -0,0 +1,725 @@ +/* set.c, created from set.def. */ +#line 22 "./set.def" + +#include <config.h> + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include <stdio.h> + +#include "../bashansi.h" +#include "../bashintl.h" + +#include "../shell.h" +#include "../flags.h" +#include "common.h" +#include "bashgetopt.h" + +#if defined (READLINE) +# include "../input.h" +# include "../bashline.h" +# include <readline/readline.h> +#endif + +#if defined (HISTORY) +# include "../bashhist.h" +#endif + +extern int posixly_correct, ignoreeof, eof_encountered_limit; +#if defined (HISTORY) +extern int dont_save_function_defs; +#endif +#if defined (READLINE) +extern int no_line_editing; +#endif /* READLINE */ + +#line 153 "./set.def" + +typedef int setopt_set_func_t __P((int, char *)); +typedef int setopt_get_func_t __P((char *)); + +static void print_minus_o_option __P((char *, int, int)); +static void print_all_shell_variables __P((void)); + +static int set_ignoreeof __P((int, char *)); +static int set_posix_mode __P((int, char *)); + +#if defined (READLINE) +static int set_edit_mode __P((int, char *)); +static int get_edit_mode __P((char *)); +#endif + +#if defined (HISTORY) +static int bash_set_history __P((int, char *)); +#endif + +static const char * const on = "on"; +static const char * const off = "off"; + +/* A struct used to match long options for set -o to the corresponding + option letter or internal variable. The functions can be called to + dynamically generate values. */ +const struct { + char *name; + int letter; + int *variable; + setopt_set_func_t *set_func; + setopt_get_func_t *get_func; +} o_options[] = { + { "allexport", 'a', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, +#if defined (BRACE_EXPANSION) + { "braceexpand",'B', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, +#endif +#if defined (READLINE) + { "emacs", '\0', (int *)NULL, set_edit_mode, get_edit_mode }, +#endif + { "errexit", 'e', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, + { "errtrace", 'E', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, + { "functrace", 'T', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, + { "hashall", 'h', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, +#if defined (BANG_HISTORY) + { "histexpand", 'H', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, +#endif /* BANG_HISTORY */ +#if defined (HISTORY) + { "history", '\0', &enable_history_list, bash_set_history, (setopt_get_func_t *)NULL }, +#endif + { "ignoreeof", '\0', &ignoreeof, set_ignoreeof, (setopt_get_func_t *)NULL }, + { "interactive-comments", '\0', &interactive_comments, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, + { "keyword", 'k', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, + { "monitor", 'm', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, + { "noclobber", 'C', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, + { "noexec", 'n', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, + { "noglob", 'f', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, +#if defined (HISTORY) + { "nolog", '\0', &dont_save_function_defs, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, +#endif +#if defined (JOB_CONTROL) + { "notify", 'b', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, +#endif /* JOB_CONTROL */ + { "nounset", 'u', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, + { "onecmd", 't', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, + { "physical", 'P', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, + { "pipefail", '\0', &pipefail_opt, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, + { "posix", '\0', &posixly_correct, set_posix_mode, (setopt_get_func_t *)NULL }, + { "privileged", 'p', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, + { "verbose", 'v', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, +#if defined (READLINE) + { "vi", '\0', (int *)NULL, set_edit_mode, get_edit_mode }, +#endif + { "xtrace", 'x', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, + {(char *)NULL, 0 , (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL }, +}; + +#define N_O_OPTIONS (sizeof (o_options) / sizeof (o_options[0])) + +#define GET_BINARY_O_OPTION_VALUE(i, name) \ + ((o_options[i].get_func) ? (*o_options[i].get_func) (name) \ + : (*o_options[i].variable)) + +#define SET_BINARY_O_OPTION_VALUE(i, onoff, name) \ + ((o_options[i].set_func) ? (*o_options[i].set_func) (onoff, name) \ + : (*o_options[i].variable = (onoff == FLAG_ON))) + +int +minus_o_option_value (name) + char *name; +{ + register int i; + int *on_or_off; + + for (i = 0; o_options[i].name; i++) + { + if (STREQ (name, o_options[i].name)) + { + if (o_options[i].letter) + { + on_or_off = find_flag (o_options[i].letter); + return ((on_or_off == FLAG_UNKNOWN) ? -1 : *on_or_off); + } + else + return (GET_BINARY_O_OPTION_VALUE (i, name)); + } + } + + return (-1); +} + +#define MINUS_O_FORMAT "%-15s\t%s\n" + +static void +print_minus_o_option (name, value, pflag) + char *name; + int value, pflag; +{ + if (pflag == 0) + printf (MINUS_O_FORMAT, name, value ? on : off); + else + printf ("set %co %s\n", value ? '-' : '+', name); +} + +void +list_minus_o_opts (mode, reusable) + int mode, reusable; +{ + register int i; + int *on_or_off, value; + + for (i = 0; o_options[i].name; i++) + { + if (o_options[i].letter) + { + value = 0; + on_or_off = find_flag (o_options[i].letter); + if (on_or_off == FLAG_UNKNOWN) + on_or_off = &value; + if (mode == -1 || mode == *on_or_off) + print_minus_o_option (o_options[i].name, *on_or_off, reusable); + } + else + { + value = GET_BINARY_O_OPTION_VALUE (i, o_options[i].name); + if (mode == -1 || mode == value) + print_minus_o_option (o_options[i].name, value, reusable); + } + } +} + +char ** +get_minus_o_opts () +{ + char **ret; + int i; + + ret = strvec_create (N_O_OPTIONS + 1); + for (i = 0; o_options[i].name; i++) + ret[i] = o_options[i].name; + ret[i] = (char *)NULL; + return ret; +} + +static int +set_ignoreeof (on_or_off, option_name) + int on_or_off; + char *option_name; +{ + ignoreeof = on_or_off == FLAG_ON; + unbind_variable ("ignoreeof"); + if (ignoreeof) + bind_variable ("IGNOREEOF", "10", 0); + else + unbind_variable ("IGNOREEOF"); + sv_ignoreeof ("IGNOREEOF"); + return 0; +} + +static int +set_posix_mode (on_or_off, option_name) + int on_or_off; + char *option_name; +{ + posixly_correct = on_or_off == FLAG_ON; + if (posixly_correct == 0) + unbind_variable ("POSIXLY_CORRECT"); + else + bind_variable ("POSIXLY_CORRECT", "y", 0); + sv_strict_posix ("POSIXLY_CORRECT"); + return (0); +} + +#if defined (READLINE) +/* Magic. This code `knows' how readline handles rl_editing_mode. */ +static int +set_edit_mode (on_or_off, option_name) + int on_or_off; + char *option_name; +{ + int isemacs; + + if (on_or_off == FLAG_ON) + { + rl_variable_bind ("editing-mode", option_name); + + if (interactive) + with_input_from_stdin (); + no_line_editing = 0; + } + else + { + isemacs = rl_editing_mode == 1; + if ((isemacs && *option_name == 'e') || (!isemacs && *option_name == 'v')) + { + if (interactive) + with_input_from_stream (stdin, "stdin"); + no_line_editing = 1; + } + } + return 1-no_line_editing; +} + +static int +get_edit_mode (name) + char *name; +{ + return (*name == 'e' ? no_line_editing == 0 && rl_editing_mode == 1 + : no_line_editing == 0 && rl_editing_mode == 0); +} +#endif /* READLINE */ + +#if defined (HISTORY) +static int +bash_set_history (on_or_off, option_name) + int on_or_off; + char *option_name; +{ + if (on_or_off == FLAG_ON) + { + enable_history_list = 1; + bash_history_enable (); + if (history_lines_this_session == 0) + load_history (); + } + else + { + enable_history_list = 0; + bash_history_disable (); + } + return (1 - enable_history_list); +} +#endif + +int +set_minus_o_option (on_or_off, option_name) + int on_or_off; + char *option_name; +{ + register int i; + + for (i = 0; o_options[i].name; i++) + { + if (STREQ (option_name, o_options[i].name)) + { + if (o_options[i].letter == 0) + { + SET_BINARY_O_OPTION_VALUE (i, on_or_off, option_name); + return (EXECUTION_SUCCESS); + } + else + { + if (change_flag (o_options[i].letter, on_or_off) == FLAG_ERROR) + { + sh_invalidoptname (option_name); + return (EXECUTION_FAILURE); + } + else + return (EXECUTION_SUCCESS); + } + + } + } + + sh_invalidoptname (option_name); + return (EX_USAGE); +} + +static void +print_all_shell_variables () +{ + SHELL_VAR **vars; + + vars = all_shell_variables (); + if (vars) + { + print_var_list (vars); + free (vars); + } + + /* POSIX.2 does not allow function names and definitions to be output when + `set' is invoked without options (PASC Interp #202). */ + if (posixly_correct == 0) + { + vars = all_shell_functions (); + if (vars) + { + print_func_list (vars); + free (vars); + } + } +} + +void +set_shellopts () +{ + char *value; + char tflag[N_O_OPTIONS]; + int vsize, i, vptr, *ip, exported; + SHELL_VAR *v; + + for (vsize = i = 0; o_options[i].name; i++) + { + tflag[i] = 0; + if (o_options[i].letter) + { + ip = find_flag (o_options[i].letter); + if (ip && *ip) + { + vsize += strlen (o_options[i].name) + 1; + tflag[i] = 1; + } + } + else if (GET_BINARY_O_OPTION_VALUE (i, o_options[i].name)) + { + vsize += strlen (o_options[i].name) + 1; + tflag[i] = 1; + } + } + + value = (char *)xmalloc (vsize + 1); + + for (i = vptr = 0; o_options[i].name; i++) + { + if (tflag[i]) + { + strcpy (value + vptr, o_options[i].name); + vptr += strlen (o_options[i].name); + value[vptr++] = ':'; + } + } + + if (vptr) + vptr--; /* cut off trailing colon */ + value[vptr] = '\0'; + + v = find_variable ("SHELLOPTS"); + + /* Turn off the read-only attribute so we can bind the new value, and + note whether or not the variable was exported. */ + if (v) + { + VUNSETATTR (v, att_readonly); + exported = exported_p (v); + } + else + exported = 0; + + v = bind_variable ("SHELLOPTS", value, 0); + + /* Turn the read-only attribute back on, and turn off the export attribute + if it was set implicitly by mark_modified_vars and SHELLOPTS was not + exported before we bound the new value. */ + VSETATTR (v, att_readonly); + if (mark_modified_vars && exported == 0 && exported_p (v)) + VUNSETATTR (v, att_exported); + + free (value); +} + +void +parse_shellopts (value) + char *value; +{ + char *vname; + int vptr; + + vptr = 0; + while (vname = extract_colon_unit (value, &vptr)) + { + set_minus_o_option (FLAG_ON, vname); + free (vname); + } +} + +void +initialize_shell_options (no_shellopts) + int no_shellopts; +{ + char *temp; + SHELL_VAR *var; + + if (no_shellopts == 0) + { + var = find_variable ("SHELLOPTS"); + /* set up any shell options we may have inherited. */ + if (var && imported_p (var)) + { + temp = (array_p (var) || assoc_p (var)) ? (char *)NULL : savestring (value_cell (var)); + if (temp) + { + parse_shellopts (temp); + free (temp); + } + } + } + + /* Set up the $SHELLOPTS variable. */ + set_shellopts (); +} + +/* Reset the values of the -o options that are not also shell flags. This is + called from execute_cmd.c:initialize_subshell() when setting up a subshell + to run an executable shell script without a leading `#!'. */ +void +reset_shell_options () +{ +#if defined (HISTORY) + remember_on_history = enable_history_list = 1; +#endif + ignoreeof = 0; +} + +/* Set some flags from the word values in the input list. If LIST is empty, + then print out the values of the variables instead. If LIST contains + non-flags, then set $1 - $9 to the successive words of LIST. */ +int +set_builtin (list) + WORD_LIST *list; +{ + int on_or_off, flag_name, force_assignment, opts_changed, rv, r; + register char *arg; + char s[3]; + + if (list == 0) + { + print_all_shell_variables (); + return (sh_chkwrite (EXECUTION_SUCCESS)); + } + + /* Check validity of flag arguments. */ + rv = EXECUTION_SUCCESS; + reset_internal_getopt (); + while ((flag_name = internal_getopt (list, optflags)) != -1) + { + switch (flag_name) + { + case '?': + builtin_usage (); + return (list_optopt == '?' ? EXECUTION_SUCCESS : EX_USAGE); + default: + break; + } + } + + /* Do the set command. While the list consists of words starting with + '-' or '+' treat them as flags, otherwise, start assigning them to + $1 ... $n. */ + for (force_assignment = opts_changed = 0; list; ) + { + arg = list->word->word; + + /* If the argument is `--' or `-' then signal the end of the list + and remember the remaining arguments. */ + if (arg[0] == '-' && (!arg[1] || (arg[1] == '-' && !arg[2]))) + { + list = list->next; + + /* `set --' unsets the positional parameters. */ + if (arg[1] == '-') + force_assignment = 1; + + /* Until told differently, the old shell behaviour of + `set - [arg ...]' being equivalent to `set +xv [arg ...]' + stands. Posix.2 says the behaviour is marked as obsolescent. */ + else + { + change_flag ('x', '+'); + change_flag ('v', '+'); + opts_changed = 1; + } + + break; + } + + if ((on_or_off = *arg) && (on_or_off == '-' || on_or_off == '+')) + { + while (flag_name = *++arg) + { + if (flag_name == '?') + { + builtin_usage (); + return (EXECUTION_SUCCESS); + } + else if (flag_name == 'o') /* -+o option-name */ + { + char *option_name; + WORD_LIST *opt; + + opt = list->next; + + if (opt == 0) + { + list_minus_o_opts (-1, (on_or_off == '+')); + rv = sh_chkwrite (rv); + continue; + } + + option_name = opt->word->word; + + if (option_name == 0 || *option_name == '\0' || + *option_name == '-' || *option_name == '+') + { + list_minus_o_opts (-1, (on_or_off == '+')); + continue; + } + list = list->next; /* Skip over option name. */ + + opts_changed = 1; + if ((r = set_minus_o_option (on_or_off, option_name)) != EXECUTION_SUCCESS) + { + set_shellopts (); + return (r); + } + } + else if (change_flag (flag_name, on_or_off) == FLAG_ERROR) + { + s[0] = on_or_off; + s[1] = flag_name; + s[2] = '\0'; + sh_invalidopt (s); + builtin_usage (); + set_shellopts (); + return (EXECUTION_FAILURE); + } + opts_changed = 1; + } + } + else + { + break; + } + list = list->next; + } + + /* Assigning $1 ... $n */ + if (list || force_assignment) + remember_args (list, 1); + /* Set up new value of $SHELLOPTS */ + if (opts_changed) + set_shellopts (); + return (rv); +} + +#line 735 "./set.def" + +#define NEXT_VARIABLE() any_failed++; list = list->next; continue; + +int +unset_builtin (list) + WORD_LIST *list; +{ + int unset_function, unset_variable, unset_array, opt, any_failed; + char *name; + + unset_function = unset_variable = unset_array = any_failed = 0; + + reset_internal_getopt (); + while ((opt = internal_getopt (list, "fv")) != -1) + { + switch (opt) + { + case 'f': + unset_function = 1; + break; + case 'v': + unset_variable = 1; + break; + default: + builtin_usage (); + return (EX_USAGE); + } + } + + list = loptend; + + if (unset_function && unset_variable) + { + builtin_error (_("cannot simultaneously unset a function and a variable")); + return (EXECUTION_FAILURE); + } + + while (list) + { + SHELL_VAR *var; + int tem; +#if defined (ARRAY_VARS) + char *t; +#endif + + name = list->word->word; + +#if defined (ARRAY_VARS) + unset_array = 0; + if (!unset_function && valid_array_reference (name)) + { + t = strchr (name, '['); + *t++ = '\0'; + unset_array++; + } +#endif + + /* Bash allows functions with names which are not valid identifiers + to be created when not in posix mode, so check only when in posix + mode when unsetting a function. */ + if (((unset_function && posixly_correct) || !unset_function) && legal_identifier (name) == 0) + { + sh_invalidid (name); + NEXT_VARIABLE (); + } + + var = unset_function ? find_function (name) : find_variable (name); + + if (var && !unset_function && non_unsettable_p (var)) + { + builtin_error (_("%s: cannot unset"), name); + NEXT_VARIABLE (); + } + + /* Posix.2 says that unsetting readonly variables is an error. */ + if (var && readonly_p (var)) + { + builtin_error (_("%s: cannot unset: readonly %s"), + name, unset_function ? "function" : "variable"); + NEXT_VARIABLE (); + } + + /* Unless the -f option is supplied, the name refers to a variable. */ +#if defined (ARRAY_VARS) + if (var && unset_array) + { + if (array_p (var) == 0 && assoc_p (var) == 0) + { + builtin_error (_("%s: not an array variable"), name); + NEXT_VARIABLE (); + } + else + { + tem = unbind_array_element (var, t); + if (tem == -1) + any_failed++; + } + } + else +#endif /* ARRAY_VARS */ + tem = unset_function ? unbind_func (name) : unbind_variable (name); + + /* This is what Posix.2 draft 11+ says. ``If neither -f nor -v + is specified, the name refers to a variable; if a variable by + that name does not exist, a function by that name, if any, + shall be unset.'' */ + if (tem == -1 && !unset_function && !unset_variable) + tem = unbind_func (name); + + /* SUSv3, POSIX.1-2001 say: ``Unsetting a variable or function that + was not previously set shall not be considered an error.'' */ + + if (unset_function == 0) + stupidly_hack_special_variables (name); + + list = list->next; + } + + return (any_failed ? EXECUTION_FAILURE : EXECUTION_SUCCESS); +} diff --git a/builtins/setattr.c b/builtins/setattr.c new file mode 100644 index 0000000..9d64132 --- /dev/null +++ b/builtins/setattr.c @@ -0,0 +1,459 @@ +/* setattr.c, created from setattr.def. */ +#line 22 "./setattr.def" + +#include <config.h> + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include <stdio.h> +#include "../bashansi.h" +#include "../bashintl.h" + +#include "../shell.h" +#include "common.h" +#include "bashgetopt.h" + +extern int posixly_correct; +extern int array_needs_making; +extern char *this_command_name; +extern sh_builtin_func_t *this_shell_builtin; + +#ifdef ARRAY_VARS +extern int declare_builtin __P((WORD_LIST *)); +#endif + +#define READONLY_OR_EXPORT \ + (this_shell_builtin == readonly_builtin || this_shell_builtin == export_builtin) + +#line 70 "./setattr.def" + +/* For each variable name in LIST, make that variable appear in the + environment passed to simple commands. If there is no LIST, then + print all such variables. An argument of `-n' says to remove the + exported attribute from variables named in LIST. An argument of + -f indicates that the names present in LIST refer to functions. */ +int +export_builtin (list) + register WORD_LIST *list; +{ + return (set_or_show_attributes (list, att_exported, 0)); +} + +#line 103 "./setattr.def" + +/* For each variable name in LIST, make that variable readonly. Given an + empty LIST, print out all existing readonly variables. */ +int +readonly_builtin (list) + register WORD_LIST *list; +{ + return (set_or_show_attributes (list, att_readonly, 0)); +} + +#if defined (ARRAY_VARS) +# define ATTROPTS "aAfnp" +#else +# define ATTROPTS "fnp" +#endif + +/* For each variable name in LIST, make that variable have the specified + ATTRIBUTE. An arg of `-n' says to remove the attribute from the the + remaining names in LIST (doesn't work for readonly). */ +int +set_or_show_attributes (list, attribute, nodefs) + register WORD_LIST *list; + int attribute, nodefs; +{ + register SHELL_VAR *var; + int assign, undo, any_failed, assign_error, opt; + int functions_only, arrays_only, assoc_only; + int aflags; + char *name; +#if defined (ARRAY_VARS) + WORD_LIST *nlist, *tlist; + WORD_DESC *w; +#endif + + functions_only = arrays_only = assoc_only = 0; + undo = any_failed = assign_error = 0; + /* Read arguments from the front of the list. */ + reset_internal_getopt (); + while ((opt = internal_getopt (list, ATTROPTS)) != -1) + { + switch (opt) + { + case 'n': + undo = 1; + break; + case 'f': + functions_only = 1; + break; +#if defined (ARRAY_VARS) + case 'a': + arrays_only = 1; + break; + case 'A': + assoc_only = 1; + break; +#endif + case 'p': + break; + default: + builtin_usage (); + return (EX_USAGE); + } + } + list = loptend; + + if (list) + { + if (attribute & att_exported) + array_needs_making = 1; + + /* Cannot undo readonly status, silently disallowed. */ + if (undo && (attribute & att_readonly)) + attribute &= ~att_readonly; + + while (list) + { + name = list->word->word; + + if (functions_only) /* xxx -f name */ + { + var = find_function (name); + if (var == 0) + { + builtin_error (_("%s: not a function"), name); + any_failed++; + } + else + SETVARATTR (var, attribute, undo); + + list = list->next; + continue; + } + + /* xxx [-np] name[=value] */ + assign = assignment (name, 0); + + aflags = 0; + if (assign) + { + name[assign] = '\0'; + if (name[assign - 1] == '+') + { + aflags |= ASS_APPEND; + name[assign - 1] = '\0'; + } + } + + if (legal_identifier (name) == 0) + { + sh_invalidid (name); + if (assign) + assign_error++; + else + any_failed++; + list = list->next; + continue; + } + + if (assign) /* xxx [-np] name=value */ + { + name[assign] = '='; + if (aflags & ASS_APPEND) + name[assign - 1] = '+'; +#if defined (ARRAY_VARS) + /* Let's try something here. Turn readonly -a xxx=yyy into + declare -ra xxx=yyy and see what that gets us. */ + if (arrays_only || assoc_only) + { + tlist = list->next; + list->next = (WORD_LIST *)NULL; + w = arrays_only ? make_word ("-ra") : make_word ("-rA"); + nlist = make_word_list (w, list); + opt = declare_builtin (nlist); + if (opt != EXECUTION_SUCCESS) + assign_error++; + list->next = tlist; + dispose_word (w); + free (nlist); + } + else +#endif + /* This word has already been expanded once with command + and parameter expansion. Call do_assignment_no_expand (), + which does not do command or parameter substitution. If + the assignment is not performed correctly, flag an error. */ + if (do_assignment_no_expand (name) == 0) + assign_error++; + name[assign] = '\0'; + if (aflags & ASS_APPEND) + name[assign - 1] = '\0'; + } + + set_var_attribute (name, attribute, undo); + list = list->next; + } + } + else + { + SHELL_VAR **variable_list; + register int i; + + if ((attribute & att_function) || functions_only) + { + variable_list = all_shell_functions (); + if (attribute != att_function) + attribute &= ~att_function; /* so declare -xf works, for example */ + } + else + variable_list = all_shell_variables (); + +#if defined (ARRAY_VARS) + if (attribute & att_array) + { + arrays_only++; + if (attribute != att_array) + attribute &= ~att_array; + } + else if (attribute & att_assoc) + { + assoc_only++; + if (attribute != att_assoc) + attribute &= ~att_assoc; + } +#endif + + if (variable_list) + { + for (i = 0; var = variable_list[i]; i++) + { +#if defined (ARRAY_VARS) + if (arrays_only && array_p (var) == 0) + continue; + else if (assoc_only && assoc_p (var) == 0) + continue; +#endif + if ((var->attributes & attribute)) + { + show_var_attributes (var, READONLY_OR_EXPORT, nodefs); + if (any_failed = sh_chkwrite (any_failed)) + break; + } + } + free (variable_list); + } + } + + return (assign_error ? EX_BADASSIGN + : ((any_failed == 0) ? EXECUTION_SUCCESS + : EXECUTION_FAILURE)); +} + +/* Show all variable variables (v == 1) or functions (v == 0) with + attributes. */ +int +show_all_var_attributes (v, nodefs) + int v, nodefs; +{ + SHELL_VAR **variable_list, *var; + int any_failed; + register int i; + + variable_list = v ? all_shell_variables () : all_shell_functions (); + if (variable_list == 0) + return (EXECUTION_SUCCESS); + + for (i = any_failed = 0; var = variable_list[i]; i++) + { + show_var_attributes (var, READONLY_OR_EXPORT, nodefs); + if (any_failed = sh_chkwrite (any_failed)) + break; + } + free (variable_list); + return (any_failed == 0 ? EXECUTION_SUCCESS : EXECUTION_FAILURE); +} + +/* Show the attributes for shell variable VAR. If NODEFS is non-zero, + don't show function definitions along with the name. If PATTR is + non-zero, it indicates we're being called from `export' or `readonly'. + In POSIX mode, this prints the name of the calling builtin (`export' + or `readonly') instead of `declare', and doesn't print function defs + when called by `export' or `readonly'. */ +int +show_var_attributes (var, pattr, nodefs) + SHELL_VAR *var; + int pattr, nodefs; +{ + char flags[16], *x; + int i; + + i = 0; + + /* pattr == 0 means we are called from `declare'. */ + if (pattr == 0 || posixly_correct == 0) + { +#if defined (ARRAY_VARS) + if (array_p (var)) + flags[i++] = 'a'; + + if (assoc_p (var)) + flags[i++] = 'A'; +#endif + + if (function_p (var)) + flags[i++] = 'f'; + + if (integer_p (var)) + flags[i++] = 'i'; + + if (readonly_p (var)) + flags[i++] = 'r'; + + if (trace_p (var)) + flags[i++] = 't'; + + if (exported_p (var)) + flags[i++] = 'x'; + + if (capcase_p (var)) + flags[i++] = 'c'; + + if (lowercase_p (var)) + flags[i++] = 'l'; + + if (uppercase_p (var)) + flags[i++] = 'u'; + } + else + { +#if defined (ARRAY_VARS) + if (array_p (var)) + flags[i++] = 'a'; + + if (assoc_p (var)) + flags[i++] = 'A'; +#endif + + if (function_p (var)) + flags[i++] = 'f'; + } + + flags[i] = '\0'; + + /* If we're printing functions with definitions, print the function def + first, then the attributes, instead of printing output that can't be + reused as input to recreate the current state. */ + if (function_p (var) && nodefs == 0 && (pattr == 0 || posixly_correct == 0)) + { + printf ("%s\n", named_function_string (var->name, function_cell (var), FUNC_MULTILINE|FUNC_EXTERNAL)); + nodefs++; + if (pattr == 0 && i == 1 && flags[0] == 'f') + return 0; /* don't print `declare -f name' */ + } + + if (pattr == 0 || posixly_correct == 0) + printf ("declare -%s ", i ? flags : "-"); + else if (i) + printf ("%s -%s ", this_command_name, flags); + else + printf ("%s ", this_command_name); + +#if defined (ARRAY_VARS) + if (array_p (var)) + print_array_assignment (var, 1); + else if (assoc_p (var)) + print_assoc_assignment (var, 1); + else +#endif + /* force `readonly' and `export' to not print out function definitions + when in POSIX mode. */ + if (nodefs || (function_p (var) && pattr != 0 && posixly_correct)) + printf ("%s\n", var->name); + else if (function_p (var)) + printf ("%s\n", named_function_string (var->name, function_cell (var), FUNC_MULTILINE|FUNC_EXTERNAL)); + else if (invisible_p (var)) + printf ("%s\n", var->name); + else + { + x = sh_double_quote (var_isset (var) ? value_cell (var) : ""); + printf ("%s=%s\n", var->name, x); + free (x); + } + return (0); +} + +int +show_name_attributes (name, nodefs) + char *name; + int nodefs; +{ + SHELL_VAR *var; + + var = find_variable_internal (name, 1); + + if (var && invisible_p (var) == 0) + { + show_var_attributes (var, READONLY_OR_EXPORT, nodefs); + return (0); + } + else + return (1); +} + +void +set_var_attribute (name, attribute, undo) + char *name; + int attribute, undo; +{ + SHELL_VAR *var, *tv; + char *tvalue; + + if (undo) + var = find_variable (name); + else + { + tv = find_tempenv_variable (name); + /* XXX -- need to handle case where tv is a temp variable in a + function-scope context, since function_env has been merged into + the local variables table. */ + if (tv && tempvar_p (tv)) + { + tvalue = var_isset (tv) ? savestring (value_cell (tv)) : savestring (""); + + var = bind_variable (tv->name, tvalue, 0); + var->attributes |= tv->attributes & ~att_tempvar; + VSETATTR (tv, att_propagate); + if (var->context != 0) + VSETATTR (var, att_propagate); + SETVARATTR (tv, attribute, undo); /* XXX */ + + stupidly_hack_special_variables (tv->name); + + free (tvalue); + } + else + { + var = find_variable_internal (name, 0); + if (var == 0) + { + var = bind_variable (name, (char *)NULL, 0); + VSETATTR (var, att_invisible); + } + else if (var->context != 0) + VSETATTR (var, att_propagate); + } + } + + if (var) + SETVARATTR (var, attribute, undo); + + if (var && (exported_p (var) || (attribute & att_exported))) + array_needs_making++; /* XXX */ +} diff --git a/builtins/shift.c b/builtins/shift.c new file mode 100644 index 0000000..e07e8e9 --- /dev/null +++ b/builtins/shift.c @@ -0,0 +1,72 @@ +/* shift.c, created from shift.def. */ +#line 22 "./shift.def" + +#include <config.h> + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include "../bashansi.h" +#include "../bashintl.h" + +#include "../shell.h" +#include "common.h" + +#line 49 "./shift.def" + +int print_shift_error; + +/* Shift the arguments ``left''. Shift DOLLAR_VARS down then take one + off of REST_OF_ARGS and place it into DOLLAR_VARS[9]. If LIST has + anything in it, it is a number which says where to start the + shifting. Return > 0 if `times' > $#, otherwise 0. */ +int +shift_builtin (list) + WORD_LIST *list; +{ + intmax_t times; + register int count; + WORD_LIST *temp; + + if (get_numeric_arg (list, 0, ×) == 0) + return (EXECUTION_FAILURE); + + if (times == 0) + return (EXECUTION_SUCCESS); + else if (times < 0) + { + sh_erange (list ? list->word->word : NULL, _("shift count")); + return (EXECUTION_FAILURE); + } + else if (times > number_of_args ()) + { + if (print_shift_error) + sh_erange (list ? list->word->word : NULL, _("shift count")); + return (EXECUTION_FAILURE); + } + + while (times-- > 0) + { + if (dollar_vars[1]) + free (dollar_vars[1]); + + for (count = 1; count < 9; count++) + dollar_vars[count] = dollar_vars[count + 1]; + + if (rest_of_args) + { + temp = rest_of_args; + dollar_vars[9] = savestring (temp->word->word); + rest_of_args = rest_of_args->next; + temp->next = (WORD_LIST *)NULL; + dispose_words (temp); + } + else + dollar_vars[9] = (char *)NULL; + } + return (EXECUTION_SUCCESS); +} diff --git a/builtins/shopt.c b/builtins/shopt.c new file mode 100644 index 0000000..7d5a398 --- /dev/null +++ b/builtins/shopt.c @@ -0,0 +1,677 @@ +/* shopt.c, created from shopt.def. */ +#line 22 "./shopt.def" + +#line 43 "./shopt.def" + +#include <config.h> + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include <stdio.h> + +#include "version.h" + +#include "../bashintl.h" + +#include "../shell.h" +#include "../flags.h" +#include "common.h" +#include "bashgetopt.h" + +#if defined (HISTORY) +# include "../bashhist.h" +#endif + +#define UNSETOPT 0 +#define SETOPT 1 + +#define OPTFMT "%-15s\t%s\n" + +extern int allow_null_glob_expansion, fail_glob_expansion, glob_dot_filenames; +extern int cdable_vars, mail_warning, source_uses_path; +extern int no_exit_on_failed_exec, print_shift_error; +extern int check_hashed_filenames, promptvars; +extern int cdspelling, expand_aliases; +extern int extended_quote; +extern int check_window_size; +extern int glob_ignore_case, match_ignore_case; +extern int hup_on_exit; +extern int xpg_echo; +extern int gnu_error_format; +extern int check_jobs_at_exit; +extern int autocd; +extern int glob_star; + +#if defined (EXTENDED_GLOB) +extern int extended_glob; +#endif + +#if defined (READLINE) +extern int hist_verify, history_reediting, perform_hostname_completion; +extern int no_empty_command_completion; +extern int force_fignore; +extern int dircomplete_spelling; + +extern int enable_hostname_completion __P((int)); +#endif + +#if defined (PROGRAMMABLE_COMPLETION) +extern int prog_completion_enabled; +#endif + +#if defined (RESTRICTED_SHELL) +extern char *shell_name; +#endif + +#if defined (DEBUGGER) +extern int debugging_mode; +#endif + +static void shopt_error __P((char *)); + +static int set_shellopts_after_change __P((char *, int)); +static int shopt_enable_hostname_completion __P((char *, int)); +static int set_compatibility_level __P((char *, int)); + +#if defined (RESTRICTED_SHELL) +static int set_restricted_shell __P((char *, int)); +#endif + +static int shopt_login_shell; +static int shopt_compat31; +static int shopt_compat32; +static int shopt_compat40; + +typedef int shopt_set_func_t __P((char *, int)); + +static struct { + char *name; + int *value; + shopt_set_func_t *set_func; +} shopt_vars[] = { + { "autocd", &autocd, (shopt_set_func_t *)NULL }, + { "cdable_vars", &cdable_vars, (shopt_set_func_t *)NULL }, + { "cdspell", &cdspelling, (shopt_set_func_t *)NULL }, + { "checkhash", &check_hashed_filenames, (shopt_set_func_t *)NULL }, +#if defined (JOB_CONTROL) + { "checkjobs", &check_jobs_at_exit, (shopt_set_func_t *)NULL }, +#endif + { "checkwinsize", &check_window_size, (shopt_set_func_t *)NULL }, +#if defined (HISTORY) + { "cmdhist", &command_oriented_history, (shopt_set_func_t *)NULL }, +#endif + { "compat31", &shopt_compat31, set_compatibility_level }, + { "compat32", &shopt_compat32, set_compatibility_level }, + { "compat40", &shopt_compat40, set_compatibility_level }, +#if defined (READLINE) + { "dirspell", &dircomplete_spelling, (shopt_set_func_t *)NULL }, +#endif + { "dotglob", &glob_dot_filenames, (shopt_set_func_t *)NULL }, + { "execfail", &no_exit_on_failed_exec, (shopt_set_func_t *)NULL }, + { "expand_aliases", &expand_aliases, (shopt_set_func_t *)NULL }, +#if defined (DEBUGGER) + { "extdebug", &debugging_mode, (shopt_set_func_t *)NULL }, +#endif +#if defined (EXTENDED_GLOB) + { "extglob", &extended_glob, (shopt_set_func_t *)NULL }, +#endif + { "extquote", &extended_quote, (shopt_set_func_t *)NULL }, + { "failglob", &fail_glob_expansion, (shopt_set_func_t *)NULL }, +#if defined (READLINE) + { "force_fignore", &force_fignore, (shopt_set_func_t *)NULL }, +#endif + { "globstar", &glob_star, (shopt_set_func_t *)NULL }, + { "gnu_errfmt", &gnu_error_format, (shopt_set_func_t *)NULL }, +#if defined (HISTORY) + { "histappend", &force_append_history, (shopt_set_func_t *)NULL }, +#endif +#if defined (READLINE) + { "histreedit", &history_reediting, (shopt_set_func_t *)NULL }, + { "histverify", &hist_verify, (shopt_set_func_t *)NULL }, + { "hostcomplete", &perform_hostname_completion, shopt_enable_hostname_completion }, +#endif + { "huponexit", &hup_on_exit, (shopt_set_func_t *)NULL }, + { "interactive_comments", &interactive_comments, set_shellopts_after_change }, +#if defined (HISTORY) + { "lithist", &literal_history, (shopt_set_func_t *)NULL }, +#endif + { "login_shell", &shopt_login_shell, set_login_shell }, + { "mailwarn", &mail_warning, (shopt_set_func_t *)NULL }, +#if defined (READLINE) + { "no_empty_cmd_completion", &no_empty_command_completion, (shopt_set_func_t *)NULL }, +#endif + { "nocaseglob", &glob_ignore_case, (shopt_set_func_t *)NULL }, + { "nocasematch", &match_ignore_case, (shopt_set_func_t *)NULL }, + { "nullglob", &allow_null_glob_expansion, (shopt_set_func_t *)NULL }, +#if defined (PROGRAMMABLE_COMPLETION) + { "progcomp", &prog_completion_enabled, (shopt_set_func_t *)NULL }, +#endif + { "promptvars", &promptvars, (shopt_set_func_t *)NULL }, +#if defined (RESTRICTED_SHELL) + { "restricted_shell", &restricted_shell, set_restricted_shell }, +#endif + { "shift_verbose", &print_shift_error, (shopt_set_func_t *)NULL }, + { "sourcepath", &source_uses_path, (shopt_set_func_t *)NULL }, + { "xpg_echo", &xpg_echo, (shopt_set_func_t *)NULL }, + { (char *)0, (int *)0, (shopt_set_func_t *)NULL } +}; + +#define N_SHOPT_OPTIONS (sizeof (shopt_vars) / sizeof (shopt_vars[0])) + +#define GET_SHOPT_OPTION_VALUE(i) (*shopt_vars[i].value) + +static const char * const on = "on"; +static const char * const off = "off"; + +static int find_shopt __P((char *)); +static int toggle_shopts __P((int, WORD_LIST *, int)); +static void print_shopt __P((char *, int, int)); +static int list_shopts __P((WORD_LIST *, int)); +static int list_some_shopts __P((int, int)); +static int list_shopt_o_options __P((WORD_LIST *, int)); +static int list_some_o_options __P((int, int)); +static int set_shopt_o_options __P((int, WORD_LIST *, int)); + +#define SFLAG 0x01 +#define UFLAG 0x02 +#define QFLAG 0x04 +#define OFLAG 0x08 +#define PFLAG 0x10 + +int +shopt_builtin (list) + WORD_LIST *list; +{ + int opt, flags, rval; + + flags = 0; + reset_internal_getopt (); + while ((opt = internal_getopt (list, "psuoq")) != -1) + { + switch (opt) + { + case 's': + flags |= SFLAG; + break; + case 'u': + flags |= UFLAG; + break; + case 'q': + flags |= QFLAG; + break; + case 'o': + flags |= OFLAG; + break; + case 'p': + flags |= PFLAG; + break; + default: + builtin_usage (); + return (EX_USAGE); + } + } + list = loptend; + + if ((flags & (SFLAG|UFLAG)) == (SFLAG|UFLAG)) + { + builtin_error (_("cannot set and unset shell options simultaneously")); + return (EXECUTION_FAILURE); + } + + rval = EXECUTION_SUCCESS; + if ((flags & OFLAG) && ((flags & (SFLAG|UFLAG)) == 0)) /* shopt -o */ + rval = list_shopt_o_options (list, flags); + else if (list && (flags & OFLAG)) /* shopt -so args */ + rval = set_shopt_o_options ((flags & SFLAG) ? FLAG_ON : FLAG_OFF, list, flags & QFLAG); + else if (flags & OFLAG) /* shopt -so */ + rval = list_some_o_options ((flags & SFLAG) ? 1 : 0, flags); + else if (list && (flags & (SFLAG|UFLAG))) /* shopt -su args */ + rval = toggle_shopts ((flags & SFLAG) ? SETOPT : UNSETOPT, list, flags & QFLAG); + else if ((flags & (SFLAG|UFLAG)) == 0) /* shopt [args] */ + rval = list_shopts (list, flags); + else /* shopt -su */ + rval = list_some_shopts ((flags & SFLAG) ? SETOPT : UNSETOPT, flags); + return (rval); +} + +/* Reset the options managed by `shopt' to the values they would have at + shell startup. */ +void +reset_shopt_options () +{ + allow_null_glob_expansion = glob_dot_filenames = 0; + cdable_vars = mail_warning = 0; + no_exit_on_failed_exec = print_shift_error = 0; + check_hashed_filenames = cdspelling = expand_aliases = check_window_size = 0; + + source_uses_path = promptvars = 1; + +#if defined (EXTENDED_GLOB) + extended_glob = 0; +#endif + +#if defined (HISTORY) + literal_history = force_append_history = 0; + command_oriented_history = 1; +#endif + +#if defined (READLINE) + hist_verify = history_reediting = 0; + perform_hostname_completion = 1; +#endif + + shopt_login_shell = login_shell; +} + +static int +find_shopt (name) + char *name; +{ + int i; + + for (i = 0; shopt_vars[i].name; i++) + if (STREQ (name, shopt_vars[i].name)) + return i; + return -1; +} + +static void +shopt_error (s) + char *s; +{ + builtin_error (_("%s: invalid shell option name"), s); +} + +static int +toggle_shopts (mode, list, quiet) + int mode; + WORD_LIST *list; + int quiet; +{ + WORD_LIST *l; + int ind, rval; + + for (l = list, rval = EXECUTION_SUCCESS; l; l = l->next) + { + ind = find_shopt (l->word->word); + if (ind < 0) + { + shopt_error (l->word->word); + rval = EXECUTION_FAILURE; + } + else + { + *shopt_vars[ind].value = mode; /* 1 for set, 0 for unset */ + if (shopt_vars[ind].set_func) + (*shopt_vars[ind].set_func) (shopt_vars[ind].name, mode); + } + } + + set_bashopts (); + return (rval); +} + +static void +print_shopt (name, val, flags) + char *name; + int val, flags; +{ + if (flags & PFLAG) + printf ("shopt %s %s\n", val ? "-s" : "-u", name); + else + printf (OPTFMT, name, val ? on : off); +} + +/* List the values of all or any of the `shopt' options. Returns 0 if + all were listed or all variables queried were on; 1 otherwise. */ +static int +list_shopts (list, flags) + WORD_LIST *list; + int flags; +{ + WORD_LIST *l; + int i, val, rval; + + if (list == 0) + { + for (i = 0; shopt_vars[i].name; i++) + { + val = *shopt_vars[i].value; + if ((flags & QFLAG) == 0) + print_shopt (shopt_vars[i].name, val, flags); + } + return (sh_chkwrite (EXECUTION_SUCCESS)); + } + + for (l = list, rval = EXECUTION_SUCCESS; l; l = l->next) + { + i = find_shopt (l->word->word); + if (i < 0) + { + shopt_error (l->word->word); + rval = EXECUTION_FAILURE; + continue; + } + val = *shopt_vars[i].value; + if (val == 0) + rval = EXECUTION_FAILURE; + if ((flags & QFLAG) == 0) + print_shopt (l->word->word, val, flags); + } + + return (sh_chkwrite (rval)); +} + +static int +list_some_shopts (mode, flags) + int mode, flags; +{ + int val, i; + + for (i = 0; shopt_vars[i].name; i++) + { + val = *shopt_vars[i].value; + if (((flags & QFLAG) == 0) && mode == val) + print_shopt (shopt_vars[i].name, val, flags); + } + return (sh_chkwrite (EXECUTION_SUCCESS)); +} + +static int +list_shopt_o_options (list, flags) + WORD_LIST *list; + int flags; +{ + WORD_LIST *l; + int val, rval; + + if (list == 0) + { + if ((flags & QFLAG) == 0) + list_minus_o_opts (-1, (flags & PFLAG)); + return (sh_chkwrite (EXECUTION_SUCCESS)); + } + + for (l = list, rval = EXECUTION_SUCCESS; l; l = l->next) + { + val = minus_o_option_value (l->word->word); + if (val == -1) + { + sh_invalidoptname (l->word->word); + rval = EXECUTION_FAILURE; + continue; + } + if (val == 0) + rval = EXECUTION_FAILURE; + if ((flags & QFLAG) == 0) + { + if (flags & PFLAG) + printf ("set %co %s\n", val ? '-' : '+', l->word->word); + else + printf (OPTFMT, l->word->word, val ? on : off); + } + } + return (sh_chkwrite (rval)); +} + +static int +list_some_o_options (mode, flags) + int mode, flags; +{ + if ((flags & QFLAG) == 0) + list_minus_o_opts (mode, (flags & PFLAG)); + return (sh_chkwrite (EXECUTION_SUCCESS)); +} + +static int +set_shopt_o_options (mode, list, quiet) + int mode; + WORD_LIST *list; + int quiet; +{ + WORD_LIST *l; + int rval; + + for (l = list, rval = EXECUTION_SUCCESS; l; l = l->next) + { + if (set_minus_o_option (mode, l->word->word) == EXECUTION_FAILURE) + rval = EXECUTION_FAILURE; + } + set_shellopts (); + return rval; +} + +/* If we set or unset interactive_comments with shopt, make sure the + change is reflected in $SHELLOPTS. */ +static int +set_shellopts_after_change (option_name, mode) + char *option_name; + int mode; +{ + set_shellopts (); + return (0); +} + +static int +shopt_enable_hostname_completion (option_name, mode) + char *option_name; + int mode; +{ + return (enable_hostname_completion (mode)); +} + +static int +set_compatibility_level (option_name, mode) + char *option_name; + int mode; +{ + /* Need to change logic here as we add more compatibility levels */ + + /* First, check option_name so we can turn off other compat options when + one is set. */ + if (mode && option_name[6] == '3' && option_name[7] == '1') + shopt_compat32 = shopt_compat40 = 0; + else if (mode && option_name[6] == '3' && option_name[7] == '2') + shopt_compat31 = shopt_compat40 = 0; + else if (mode && option_name[6] == '4' && option_name[7] == '0') + shopt_compat31 = shopt_compat32 = 0; + + /* Then set shell_compatibility_level based on what remains */ + if (shopt_compat31) + shell_compatibility_level = 31; + else if (shopt_compat32) + shell_compatibility_level = 32; + else if (shopt_compat40) + shell_compatibility_level = 40; + else + shell_compatibility_level = DEFAULT_COMPAT_LEVEL; + return 0; +} + +#if defined (RESTRICTED_SHELL) +/* Don't allow the value of restricted_shell to be modified. */ + +static int +set_restricted_shell (option_name, mode) + char *option_name; + int mode; +{ + static int save_restricted = -1; + + if (save_restricted == -1) + save_restricted = shell_is_restricted (shell_name); + + restricted_shell = save_restricted; + return (0); +} +#endif /* RESTRICTED_SHELL */ + +/* Not static so shell.c can call it to initialize shopt_login_shell */ +int +set_login_shell (option_name, mode) + char *option_name; + int mode; +{ + shopt_login_shell = login_shell != 0; + return (0); +} + +char ** +get_shopt_options () +{ + char **ret; + int n, i; + + n = sizeof (shopt_vars) / sizeof (shopt_vars[0]); + ret = strvec_create (n + 1); + for (i = 0; shopt_vars[i].name; i++) + ret[i] = savestring (shopt_vars[i].name); + ret[i] = (char *)NULL; + return ret; +} + +/* + * External interface for other parts of the shell. NAME is a string option; + * MODE is 0 if we want to unset an option; 1 if we want to set an option. + * REUSABLE is 1 if we want to print output in a form that may be reused. + */ +int +shopt_setopt (name, mode) + char *name; + int mode; +{ + WORD_LIST *wl; + int r; + + wl = add_string_to_list (name, (WORD_LIST *)NULL); + r = toggle_shopts (mode, wl, 0); + dispose_words (wl); + return r; +} + +int +shopt_listopt (name, reusable) + char *name; + int reusable; +{ + int i; + + if (name == 0) + return (list_shopts ((WORD_LIST *)NULL, reusable ? PFLAG : 0)); + + i = find_shopt (name); + if (i < 0) + { + shopt_error (name); + return (EXECUTION_FAILURE); + } + + print_shopt (name, *shopt_vars[i].value, reusable ? PFLAG : 0); + return (sh_chkwrite (EXECUTION_SUCCESS)); +} + +void +set_bashopts () +{ + char *value; + char tflag[N_SHOPT_OPTIONS]; + int vsize, i, vptr, *ip, exported; + SHELL_VAR *v; + + for (vsize = i = 0; shopt_vars[i].name; i++) + { + tflag[i] = 0; + if (GET_SHOPT_OPTION_VALUE (i)) + { + vsize += strlen (shopt_vars[i].name) + 1; + tflag[i] = 1; + } + } + + value = (char *)xmalloc (vsize + 1); + + for (i = vptr = 0; shopt_vars[i].name; i++) + { + if (tflag[i]) + { + strcpy (value + vptr, shopt_vars[i].name); + vptr += strlen (shopt_vars[i].name); + value[vptr++] = ':'; + } + } + + if (vptr) + vptr--; /* cut off trailing colon */ + value[vptr] = '\0'; + + v = find_variable ("BASHOPTS"); + + /* Turn off the read-only attribute so we can bind the new value, and + note whether or not the variable was exported. */ + if (v) + { + VUNSETATTR (v, att_readonly); + exported = exported_p (v); + } + else + exported = 0; + + v = bind_variable ("BASHOPTS", value, 0); + + /* Turn the read-only attribute back on, and turn off the export attribute + if it was set implicitly by mark_modified_vars and SHELLOPTS was not + exported before we bound the new value. */ + VSETATTR (v, att_readonly); + if (mark_modified_vars && exported == 0 && exported_p (v)) + VUNSETATTR (v, att_exported); + + free (value); +} + +void +parse_bashopts (value) + char *value; +{ + char *vname; + int vptr, ind; + + vptr = 0; + while (vname = extract_colon_unit (value, &vptr)) + { + ind = find_shopt (vname); + if (ind >= 0) + *shopt_vars[ind].value = 1; + free (vname); + } +} + +void +initialize_bashopts (no_bashopts) + int no_bashopts; +{ + char *temp; + SHELL_VAR *var; + + if (no_bashopts == 0) + { + var = find_variable ("BASHOPTS"); + /* set up any shell options we may have inherited. */ + if (var && imported_p (var)) + { + temp = (array_p (var) || assoc_p (var)) ? (char *)NULL : savestring (value_cell (var)); + if (temp) + { + parse_bashopts (temp); + free (temp); + } + } + } + + /* Set up the $BASHOPTS variable. */ + set_bashopts (); +} diff --git a/builtins/source.c b/builtins/source.c new file mode 100644 index 0000000..2926553 --- /dev/null +++ b/builtins/source.c @@ -0,0 +1,144 @@ +/* source.c, created from source.def. */ +#line 22 "./source.def" + +#line 37 "./source.def" + +#line 53 "./source.def" + +#include <config.h> + +#include "../bashtypes.h" +#include "posixstat.h" +#include "filecntl.h" +#if ! defined(_MINIX) && defined (HAVE_SYS_FILE_H) +# include <sys/file.h> +#endif +#include <errno.h> + +#if defined (HAVE_UNISTD_H) +# include <unistd.h> +#endif + +#include "../bashansi.h" +#include "../bashintl.h" + +#include "../shell.h" +#include "../flags.h" +#include "../findcmd.h" +#include "common.h" +#include "bashgetopt.h" +#include "../trap.h" + +#if !defined (errno) +extern int errno; +#endif /* !errno */ + +extern int posixly_correct; + +static void maybe_pop_dollar_vars __P((void)); + +/* If non-zero, `.' uses $PATH to look up the script to be sourced. */ +int source_uses_path = 1; + +/* If non-zero, `.' looks in the current directory if the filename argument + is not found in the $PATH. */ +int source_searches_cwd = 1; + +/* If this . script is supplied arguments, we save the dollar vars and + replace them with the script arguments for the duration of the script's + execution. If the script does not change the dollar vars, we restore + what we saved. If the dollar vars are changed in the script, and we are + not executing a shell function, we leave the new values alone and free + the saved values. */ +static void +maybe_pop_dollar_vars () +{ + if (variable_context == 0 && (dollar_vars_changed () & ARGS_SETBLTIN)) + dispose_saved_dollar_vars (); + else + pop_dollar_vars (); + if (debugging_mode) + pop_args (); /* restore BASH_ARGC and BASH_ARGV */ + set_dollar_vars_unchanged (); +} + +/* Read and execute commands from the file passed as argument. Guess what. + This cannot be done in a subshell, since things like variable assignments + take place in there. So, I open the file, place it into a large string, + close the file, and then execute the string. */ +int +source_builtin (list) + WORD_LIST *list; +{ + int result; + char *filename, *debug_trap; + + if (no_options (list)) + return (EX_USAGE); + list = loptend; + + if (list == 0) + { + builtin_error (_("filename argument required")); + builtin_usage (); + return (EX_USAGE); + } + +#if defined (RESTRICTED_SHELL) + if (restricted && strchr (list->word->word, '/')) + { + sh_restricted (list->word->word); + return (EXECUTION_FAILURE); + } +#endif + + filename = (char *)NULL; + /* XXX -- should this be absolute_pathname? */ + if (posixly_correct && strchr (list->word->word, '/')) + filename = savestring (list->word->word); + else if (absolute_pathname (list->word->word)) + filename = savestring (list->word->word); + else if (source_uses_path) + filename = find_path_file (list->word->word); + if (filename == 0) + { + if (source_searches_cwd == 0) + { + builtin_error (_("%s: file not found"), list->word->word); + return (EXECUTION_FAILURE); + } + else + filename = savestring (list->word->word); + } + + begin_unwind_frame ("source"); + add_unwind_protect ((Function *)xfree, filename); + + if (list->next) + { + push_dollar_vars (); + add_unwind_protect ((Function *)maybe_pop_dollar_vars, (char *)NULL); + remember_args (list->next, 1); + if (debugging_mode) + push_args (list->next); /* Update BASH_ARGV and BASH_ARGC */ + } + set_dollar_vars_unchanged (); + + /* Don't inherit the DEBUG trap unless function_trace_mode (overloaded) + is set. XXX - should sourced files inherit the RETURN trap? Functions + don't. */ + debug_trap = TRAP_STRING (DEBUG_TRAP); + if (debug_trap && function_trace_mode == 0) + { + debug_trap = savestring (debug_trap); + add_unwind_protect (xfree, debug_trap); + add_unwind_protect (set_debug_trap, debug_trap); + restore_default_signal (DEBUG_TRAP); + } + + result = source_file (filename, (list && list->next)); + + run_unwind_frame ("source"); + + return (result); +} diff --git a/builtins/suspend.c b/builtins/suspend.c new file mode 100644 index 0000000..93ce68e --- /dev/null +++ b/builtins/suspend.c @@ -0,0 +1,94 @@ +/* suspend.c, created from suspend.def. */ +#line 22 "./suspend.def" + +#line 38 "./suspend.def" + +#include <config.h> + +#if defined (JOB_CONTROL) +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include "../bashtypes.h" +#include <signal.h> +#include "../bashintl.h" +#include "../shell.h" +#include "../jobs.h" +#include "common.h" +#include "bashgetopt.h" + +static sighandler suspend_continue __P((int)); + +static SigHandler *old_cont; +#if 0 +static SigHandler *old_stop; +#endif + +/* Continue handler. */ +static sighandler +suspend_continue (sig) + int sig; +{ + set_signal_handler (SIGCONT, old_cont); +#if 0 + set_signal_handler (SIGSTOP, old_stop); +#endif + SIGRETURN (0); +} + +/* Suspending the shell. If -f is the arg, then do the suspend + no matter what. Otherwise, complain if a login shell. */ +int +suspend_builtin (list) + WORD_LIST *list; +{ + int opt, force; + + reset_internal_getopt (); + force = 0; + while ((opt = internal_getopt (list, "f")) != -1) + switch (opt) + { + case 'f': + force++; + break; + default: + builtin_usage (); + return (EX_USAGE); + } + + list = loptend; + + if (job_control == 0) + { + sh_nojobs (_("cannot suspend")); + return (EXECUTION_FAILURE); + } + + if (force == 0) + { + no_args (list); + + if (login_shell) + { + builtin_error (_("cannot suspend a login shell")); + return (EXECUTION_FAILURE); + } + } + + /* XXX - should we put ourselves back into the original pgrp now? If so, + call end_job_control() here and do the right thing in suspend_continue + (that is, call restart_job_control()). */ + old_cont = (SigHandler *)set_signal_handler (SIGCONT, suspend_continue); +#if 0 + old_stop = (SigHandler *)set_signal_handler (SIGSTOP, SIG_DFL); +#endif + killpg (shell_pgrp, SIGSTOP); + return (EXECUTION_SUCCESS); +} + +#endif /* JOB_CONTROL */ diff --git a/builtins/test.c b/builtins/test.c new file mode 100644 index 0000000..e893bee --- /dev/null +++ b/builtins/test.c @@ -0,0 +1,53 @@ +/* test.c, created from test.def. */ +#line 22 "./test.def" + +#line 98 "./test.def" + +#line 108 "./test.def" + +#include <config.h> + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include "../bashansi.h" +#include "../bashintl.h" + +#include "../shell.h" +#include "../test.h" +#include "common.h" + +extern char *this_command_name; + +/* TEST/[ builtin. */ +int +test_builtin (list) + WORD_LIST *list; +{ + char **argv; + int argc, result; + + /* We let Matthew Bradburn and Kevin Braunsdorf's code do the + actual test command. So turn the list of args into an array + of strings, since that is what their code wants. */ + if (list == 0) + { + if (this_command_name[0] == '[' && !this_command_name[1]) + { + builtin_error (_("missing `]'")); + return (EX_BADUSAGE); + } + + return (EXECUTION_FAILURE); + } + + argv = make_builtin_argv (list, &argc); + result = test_command (argc, argv); + free ((char *)argv); + + return (result); +} diff --git a/builtins/times.c b/builtins/times.c new file mode 100644 index 0000000..4e8b490 --- /dev/null +++ b/builtins/times.c @@ -0,0 +1,90 @@ +/* times.c, created from times.def. */ +#line 22 "./times.def" + +#line 34 "./times.def" + +#include <config.h> + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include <stdio.h> +#include "../bashtypes.h" +#include "../shell.h" + +#include <posixtime.h> + +#if defined (HAVE_SYS_TIMES_H) +# include <sys/times.h> +#endif /* HAVE_SYS_TIMES_H */ + +#if defined (HAVE_SYS_RESOURCE_H) && !defined (RLIMTYPE) +# include <sys/resource.h> +#endif + +#include "common.h" + +/* Print the totals for system and user time used. */ +int +times_builtin (list) + WORD_LIST *list; +{ +#if defined (HAVE_GETRUSAGE) && defined (HAVE_TIMEVAL) && defined (RUSAGE_SELF) + struct rusage self, kids; + + USE_VAR(list); + + if (no_options (list)) + return (EX_USAGE); + + getrusage (RUSAGE_SELF, &self); + getrusage (RUSAGE_CHILDREN, &kids); /* terminated child processes */ + + print_timeval (stdout, &self.ru_utime); + putchar (' '); + print_timeval (stdout, &self.ru_stime); + putchar ('\n'); + print_timeval (stdout, &kids.ru_utime); + putchar (' '); + print_timeval (stdout, &kids.ru_stime); + putchar ('\n'); + +#else +# if defined (HAVE_TIMES) + /* This uses the POSIX.1/XPG5 times(2) interface, which fills in a + `struct tms' with values of type clock_t. */ + struct tms t; + + USE_VAR(list); + + if (no_options (list)) + return (EX_USAGE); + + times (&t); + + print_clock_t (stdout, t.tms_utime); + putchar (' '); + print_clock_t (stdout, t.tms_stime); + putchar ('\n'); + print_clock_t (stdout, t.tms_cutime); + putchar (' '); + print_clock_t (stdout, t.tms_cstime); + putchar ('\n'); + +# else /* !HAVE_TIMES */ + + USE_VAR(list); + + if (no_options (list)) + return (EX_USAGE); + printf ("0.00 0.00\n0.00 0.00\n"); + +# endif /* HAVE_TIMES */ +#endif /* !HAVE_TIMES */ + + return (sh_chkwrite (EXECUTION_SUCCESS)); +} diff --git a/builtins/trap.c b/builtins/trap.c new file mode 100644 index 0000000..f12fae4 --- /dev/null +++ b/builtins/trap.c @@ -0,0 +1,231 @@ +/* trap.c, created from trap.def. */ +#line 22 "./trap.def" + +#line 54 "./trap.def" + +#include <config.h> + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include <sys/types.h> +# endif +# include <unistd.h> +#endif + +#include "../bashtypes.h" +#include <signal.h> +#include <stdio.h> +#include "../bashansi.h" + +#include "../shell.h" +#include "../trap.h" +#include "common.h" +#include "bashgetopt.h" + +static void showtrap __P((int)); +static int display_traps __P((WORD_LIST *)); + +/* The trap command: + + trap <arg> <signal ...> + trap <signal ...> + trap -l + trap -p [sigspec ...] + trap [--] + + Set things up so that ARG is executed when SIGNAL(s) N is recieved. + If ARG is the empty string, then ignore the SIGNAL(s). If there is + no ARG, then set the trap for SIGNAL(s) to its original value. Just + plain "trap" means to print out the list of commands associated with + each signal number. Single arg of "-l" means list the signal names. */ + +/* Possible operations to perform on the list of signals.*/ +#define SET 0 /* Set this signal to first_arg. */ +#define REVERT 1 /* Revert to this signals original value. */ +#define IGNORE 2 /* Ignore this signal. */ + +extern int posixly_correct; + +int +trap_builtin (list) + WORD_LIST *list; +{ + int list_signal_names, display, result, opt; + + list_signal_names = display = 0; + result = EXECUTION_SUCCESS; + reset_internal_getopt (); + while ((opt = internal_getopt (list, "lp")) != -1) + { + switch (opt) + { + case 'l': + list_signal_names++; + break; + case 'p': + display++; + break; + default: + builtin_usage (); + return (EX_USAGE); + } + } + list = loptend; + + opt = DSIG_NOCASE|DSIG_SIGPREFIX; /* flags for decode_signal */ + + if (list_signal_names) + return (sh_chkwrite (display_signal_list ((WORD_LIST *)NULL, 1))); + else if (display || list == 0) + return (sh_chkwrite (display_traps (list))); + else + { + char *first_arg; + int operation, sig, first_signal; + + operation = SET; + first_arg = list->word->word; + first_signal = first_arg && *first_arg && all_digits (first_arg) && signal_object_p (first_arg, opt); + + /* Backwards compatibility. XXX - question about whether or not we + should throw an error if an all-digit argument doesn't correspond + to a valid signal number (e.g., if it's `50' on a system with only + 32 signals). */ + if (first_signal) + operation = REVERT; + /* When in posix mode, the historical behavior of looking for a + missing first argument is disabled. To revert to the original + signal handling disposition, use `-' as the first argument. */ + else if (posixly_correct == 0 && first_arg && *first_arg && + (*first_arg != '-' || first_arg[1]) && + signal_object_p (first_arg, opt) && list->next == 0) + operation = REVERT; + else + { + list = list->next; + if (list == 0) + { + builtin_usage (); + return (EX_USAGE); + } + else if (*first_arg == '\0') + operation = IGNORE; + else if (first_arg[0] == '-' && !first_arg[1]) + operation = REVERT; + } + + while (list) + { + sig = decode_signal (list->word->word, opt); + + if (sig == NO_SIG) + { + sh_invalidsig (list->word->word); + result = EXECUTION_FAILURE; + } + else + { + switch (operation) + { + case SET: + set_signal (sig, first_arg); + break; + + case REVERT: + restore_default_signal (sig); + + /* Signals that the shell treats specially need special + handling. */ + switch (sig) + { + case SIGINT: + if (interactive) + set_signal_handler (SIGINT, sigint_sighandler); + else + set_signal_handler (SIGINT, termsig_sighandler); + break; + + case SIGQUIT: + /* Always ignore SIGQUIT. */ + set_signal_handler (SIGQUIT, SIG_IGN); + break; + case SIGTERM: +#if defined (JOB_CONTROL) + case SIGTTIN: + case SIGTTOU: + case SIGTSTP: +#endif /* JOB_CONTROL */ + if (interactive) + set_signal_handler (sig, SIG_IGN); + break; + } + break; + + case IGNORE: + ignore_signal (sig); + break; + } + } + list = list->next; + } + } + + return (result); +} + +static void +showtrap (i) + int i; +{ + char *t, *p, *sn; + + p = trap_list[i]; + if (p == (char *)DEFAULT_SIG) + return; + + t = (p == (char *)IGNORE_SIG) ? (char *)NULL : sh_single_quote (p); + sn = signal_name (i); + /* Make sure that signals whose names are unknown (for whatever reason) + are printed as signal numbers. */ + if (STREQN (sn, "SIGJUNK", 7) || STREQN (sn, "unknown", 7)) + printf ("trap -- %s %d\n", t ? t : "''", i); + else if (posixly_correct) + { + if (STREQN (sn, "SIG", 3)) + printf ("trap -- %s %s\n", t ? t : "''", sn+3); + else + printf ("trap -- %s %s\n", t ? t : "''", sn); + } + else + printf ("trap -- %s %s\n", t ? t : "''", sn); + + FREE (t); +} + +static int +display_traps (list) + WORD_LIST *list; +{ + int result, i; + + if (list == 0) + { + for (i = 0; i < BASH_NSIG; i++) + showtrap (i); + return (EXECUTION_SUCCESS); + } + + for (result = EXECUTION_SUCCESS; list; list = list->next) + { + i = decode_signal (list->word->word, DSIG_NOCASE|DSIG_SIGPREFIX); + if (i == NO_SIG) + { + sh_invalidsig (list->word->word); + result = EXECUTION_FAILURE; + } + else + showtrap (i); + } + + return (result); +} diff --git a/builtins/type.c b/builtins/type.c new file mode 100644 index 0000000..7fcd397 --- /dev/null +++ b/builtins/type.c @@ -0,0 +1,356 @@ +/* type.c, created from type.def. */ +#line 22 "./type.def" + +#line 52 "./type.def" + +#include <config.h> + +#include "../bashtypes.h" +#include "posixstat.h" + +#if defined (HAVE_UNISTD_H) +# include <unistd.h> +#endif + +#include <stdio.h> +#include "../bashansi.h" +#include "../bashintl.h" + +#include "../shell.h" +#include "../findcmd.h" +#include "../hashcmd.h" + +#if defined (ALIAS) +#include "../alias.h" +#endif /* ALIAS */ + +#include "common.h" +#include "bashgetopt.h" + +extern int find_reserved_word __P((char *)); + +extern char *this_command_name; +extern int expand_aliases, posixly_correct; + +/* For each word in LIST, find out what the shell is going to do with + it as a simple command. i.e., which file would this shell use to + execve, or if it is a builtin command, or an alias. Possible flag + arguments: + -t Returns the "type" of the object, one of + `alias', `keyword', `function', `builtin', + or `file'. + + -p Returns the pathname of the file if -type is + a file. + + -a Returns all occurrences of words, whether they + be a filename in the path, alias, function, + or builtin. + + -f Suppress shell function lookup, like `command'. + + -P Force a path search even in the presence of other + definitions. + + Order of evaluation: + alias + keyword + function + builtin + file + */ + +int +type_builtin (list) + WORD_LIST *list; +{ + int dflags, any_failed, opt; + WORD_LIST *this; + + if (list == 0) + return (EXECUTION_SUCCESS); + + dflags = CDESC_SHORTDESC; /* default */ + any_failed = 0; + + /* Handle the obsolescent `-type', `-path', and `-all' by prescanning + the arguments and converting those options to the form that + internal_getopt recognizes. Converts `--type', `--path', and `--all' + also. THIS SHOULD REALLY GO AWAY. */ + for (this = list; this && this->word->word[0] == '-'; this = this->next) + { + char *flag = &(this->word->word[1]); + + if (STREQ (flag, "type") || STREQ (flag, "-type")) + { + this->word->word[1] = 't'; + this->word->word[2] = '\0'; + } + else if (STREQ (flag, "path") || STREQ (flag, "-path")) + { + this->word->word[1] = 'p'; + this->word->word[2] = '\0'; + } + else if (STREQ (flag, "all") || STREQ (flag, "-all")) + { + this->word->word[1] = 'a'; + this->word->word[2] = '\0'; + } + } + + reset_internal_getopt (); + while ((opt = internal_getopt (list, "afptP")) != -1) + { + switch (opt) + { + case 'a': + dflags |= CDESC_ALL; + break; + case 'f': + dflags |= CDESC_NOFUNCS; + break; + case 'p': + dflags |= CDESC_PATH_ONLY; + dflags &= ~(CDESC_TYPE|CDESC_SHORTDESC); + break; + case 't': + dflags |= CDESC_TYPE; + dflags &= ~(CDESC_PATH_ONLY|CDESC_SHORTDESC); + break; + case 'P': /* shorthand for type -ap */ + dflags |= (CDESC_PATH_ONLY|CDESC_FORCE_PATH); + dflags &= ~(CDESC_TYPE|CDESC_SHORTDESC); + break; + default: + builtin_usage (); + return (EX_USAGE); + } + } + list = loptend; + + while (list) + { + int found; + + found = describe_command (list->word->word, dflags); + + if (!found && (dflags & (CDESC_PATH_ONLY|CDESC_TYPE)) == 0) + sh_notfound (list->word->word); + + any_failed += found == 0; + list = list->next; + } + + opt = (any_failed == 0) ? EXECUTION_SUCCESS : EXECUTION_FAILURE; + return (sh_chkwrite (opt)); +} + +/* + * Describe COMMAND as required by the type and command builtins. + * + * Behavior is controlled by DFLAGS. Flag values are + * CDESC_ALL print all descriptions of a command + * CDESC_SHORTDESC print the description for type and command -V + * CDESC_REUSABLE print in a format that may be reused as input + * CDESC_TYPE print the type for type -t + * CDESC_PATH_ONLY print the path for type -p + * CDESC_FORCE_PATH force a path search for type -P + * CDESC_NOFUNCS skip function lookup for type -f + * CDESC_ABSPATH convert to absolute path, no ./ prefix + * + * CDESC_ALL says whether or not to look for all occurrences of COMMAND, or + * return after finding it once. + */ +int +describe_command (command, dflags) + char *command; + int dflags; +{ + int found, i, found_file, f, all; + char *full_path, *x; + SHELL_VAR *func; +#if defined (ALIAS) + alias_t *alias; +#endif + + all = (dflags & CDESC_ALL) != 0; + found = found_file = 0; + full_path = (char *)NULL; + +#if defined (ALIAS) + /* Command is an alias? */ + if (((dflags & CDESC_FORCE_PATH) == 0) && expand_aliases && (alias = find_alias (command))) + { + if (dflags & CDESC_TYPE) + puts ("alias"); + else if (dflags & CDESC_SHORTDESC) + printf (_("%s is aliased to `%s'\n"), command, alias->value); + else if (dflags & CDESC_REUSABLE) + { + x = sh_single_quote (alias->value); + printf ("alias %s=%s\n", command, x); + free (x); + } + + found = 1; + + if (all == 0) + return (1); + } +#endif /* ALIAS */ + + /* Command is a shell reserved word? */ + if (((dflags & CDESC_FORCE_PATH) == 0) && (i = find_reserved_word (command)) >= 0) + { + if (dflags & CDESC_TYPE) + puts ("keyword"); + else if (dflags & CDESC_SHORTDESC) + printf (_("%s is a shell keyword\n"), command); + else if (dflags & CDESC_REUSABLE) + printf ("%s\n", command); + + found = 1; + + if (all == 0) + return (1); + } + + /* Command is a function? */ + if (((dflags & (CDESC_FORCE_PATH|CDESC_NOFUNCS)) == 0) && (func = find_function (command))) + { + if (dflags & CDESC_TYPE) + puts ("function"); + else if (dflags & CDESC_SHORTDESC) + { + char *result; + + printf (_("%s is a function\n"), command); + + /* We're blowing away THE_PRINTED_COMMAND here... */ + + result = named_function_string (command, function_cell (func), FUNC_MULTILINE|FUNC_EXTERNAL); + printf ("%s\n", result); + } + else if (dflags & CDESC_REUSABLE) + printf ("%s\n", command); + + found = 1; + + if (all == 0) + return (1); + } + + /* Command is a builtin? */ + if (((dflags & CDESC_FORCE_PATH) == 0) && find_shell_builtin (command)) + { + if (dflags & CDESC_TYPE) + puts ("builtin"); + else if (dflags & CDESC_SHORTDESC) + printf (_("%s is a shell builtin\n"), command); + else if (dflags & CDESC_REUSABLE) + printf ("%s\n", command); + + found = 1; + + if (all == 0) + return (1); + } + + /* Command is a disk file? */ + /* If the command name given is already an absolute command, just + check to see if it is executable. */ + if (absolute_program (command)) + { + f = file_status (command); + if (f & FS_EXECABLE) + { + if (dflags & CDESC_TYPE) + puts ("file"); + else if (dflags & CDESC_SHORTDESC) + printf (_("%s is %s\n"), command, command); + else if (dflags & (CDESC_REUSABLE|CDESC_PATH_ONLY)) + printf ("%s\n", command); + + /* There's no use looking in the hash table or in $PATH, + because they're not consulted when an absolute program + name is supplied. */ + return (1); + } + } + + /* If the user isn't doing "-a", then we might care about + whether the file is present in our hash table. */ + if (all == 0 || (dflags & CDESC_FORCE_PATH)) + { + if (full_path = phash_search (command)) + { + if (dflags & CDESC_TYPE) + puts ("file"); + else if (dflags & CDESC_SHORTDESC) + printf (_("%s is hashed (%s)\n"), command, full_path); + else if (dflags & (CDESC_REUSABLE|CDESC_PATH_ONLY)) + printf ("%s\n", full_path); + + free (full_path); + return (1); + } + } + + /* Now search through $PATH. */ + while (1) + { + if (all == 0) + full_path = find_user_command (command); + else + full_path = + user_command_matches (command, FS_EXEC_ONLY, found_file); + /* XXX - should that be FS_EXEC_PREFERRED? */ + + if (!full_path) + break; + + /* If we found the command as itself by looking through $PATH, it + probably doesn't exist. Check whether or not the command is an + executable file. If it's not, don't report a match. This is + the default posix mode behavior */ + if (STREQ (full_path, command) || posixly_correct) + { + f = file_status (full_path); + if ((f & FS_EXECABLE) == 0) + { + free (full_path); + full_path = (char *)NULL; + if (all == 0) + break; + } + else if (ABSPATH (full_path)) + ; /* placeholder; don't need to do anything yet */ + else if (dflags & (CDESC_REUSABLE|CDESC_PATH_ONLY|CDESC_SHORTDESC)) + { + f = MP_DOCWD | ((dflags & CDESC_ABSPATH) ? MP_RMDOT : 0); + full_path = sh_makepath ((char *)NULL, full_path, f); + } + } + /* If we require a full path and don't have one, make one */ + else if ((dflags & CDESC_ABSPATH) && ABSPATH (full_path) == 0) + full_path = sh_makepath ((char *)NULL, full_path, MP_DOCWD|MP_RMDOT); + + found_file++; + found = 1; + + if (dflags & CDESC_TYPE) + puts ("file"); + else if (dflags & CDESC_SHORTDESC) + printf (_("%s is %s\n"), command, full_path); + else if (dflags & (CDESC_REUSABLE|CDESC_PATH_ONLY)) + printf ("%s\n", full_path); + + free (full_path); + full_path = (char *)NULL; + + if (all == 0) + break; + } + + return (found); +} diff --git a/builtins/ulimit.c b/builtins/ulimit.c new file mode 100644 index 0000000..44f0b34 --- /dev/null +++ b/builtins/ulimit.c @@ -0,0 +1,710 @@ +/* ulimit.c, created from ulimit.def. */ +#line 22 "./ulimit.def" + +#line 67 "./ulimit.def" + +#if !defined (_MINIX) + +#include <config.h> + +#include "../bashtypes.h" +#ifndef _MINIX +# include <sys/param.h> +#endif + +#if defined (HAVE_UNISTD_H) +# include <unistd.h> +#endif + +#include <stdio.h> +#include <errno.h> + +#include "../bashintl.h" + +#include "../shell.h" +#include "common.h" +#include "bashgetopt.h" +#include "pipesize.h" + +#if !defined (errno) +extern int errno; +#endif + +/* For some reason, HPUX chose to make these definitions visible only if + _KERNEL is defined, so we define _KERNEL before including <sys/resource.h> + and #undef it afterward. */ +#if defined (HAVE_RESOURCE) +# include <sys/time.h> +# if defined (HPUX) && defined (RLIMIT_NEEDS_KERNEL) +# define _KERNEL +# endif +# include <sys/resource.h> +# if defined (HPUX) && defined (RLIMIT_NEEDS_KERNEL) +# undef _KERNEL +# endif +#elif defined (HAVE_SYS_TIMES_H) +# include <sys/times.h> +#endif + +#if defined (HAVE_LIMITS_H) +# include <limits.h> +#endif + +/* Check for the most basic symbols. If they aren't present, this + system's <sys/resource.h> isn't very useful to us. */ +#if !defined (RLIMIT_FSIZE) || !defined (HAVE_GETRLIMIT) +# undef HAVE_RESOURCE +#endif + +#if !defined (RLIMTYPE) +# define RLIMTYPE long +# define string_to_rlimtype(s) strtol(s, (char **)NULL, 10) +# define print_rlimtype(num, nl) printf ("%ld%s", num, nl ? "\n" : "") +#endif + +/* Some systems use RLIMIT_NOFILE, others use RLIMIT_OFILE */ +#if defined (HAVE_RESOURCE) && defined (RLIMIT_OFILE) && !defined (RLIMIT_NOFILE) +# define RLIMIT_NOFILE RLIMIT_OFILE +#endif /* HAVE_RESOURCE && RLIMIT_OFILE && !RLIMIT_NOFILE */ + +/* Some systems have these, some do not. */ +#ifdef RLIMIT_FSIZE +# define RLIMIT_FILESIZE RLIMIT_FSIZE +#else +# define RLIMIT_FILESIZE 256 +#endif + +#define RLIMIT_PIPESIZE 257 + +#ifdef RLIMIT_NOFILE +# define RLIMIT_OPENFILES RLIMIT_NOFILE +#else +# define RLIMIT_OPENFILES 258 +#endif + +#ifdef RLIMIT_VMEM +# define RLIMIT_VIRTMEM RLIMIT_VMEM +# define RLIMIT_VMBLKSZ 1024 +#else +# ifdef RLIMIT_AS +# define RLIMIT_VIRTMEM RLIMIT_AS +# define RLIMIT_VMBLKSZ 1024 +# else +# define RLIMIT_VIRTMEM 259 +# define RLIMIT_VMBLKSZ 1 +# endif +#endif + +#ifdef RLIMIT_NPROC +# define RLIMIT_MAXUPROC RLIMIT_NPROC +#else +# define RLIMIT_MAXUPROC 260 +#endif + +#if !defined (RLIM_INFINITY) +# define RLIM_INFINITY 0x7fffffff +#endif + +#if !defined (RLIM_SAVED_CUR) +# define RLIM_SAVED_CUR RLIM_INFINITY +#endif + +#if !defined (RLIM_SAVED_MAX) +# define RLIM_SAVED_MAX RLIM_INFINITY +#endif + +#define LIMIT_HARD 0x01 +#define LIMIT_SOFT 0x02 + +/* "Blocks" are defined as 512 bytes when in Posix mode and 1024 bytes + otherwise. */ +#define POSIXBLK -2 + +#define BLOCKSIZE(x) (((x) == POSIXBLK) ? (posixly_correct ? 512 : 1024) : (x)) + +extern int posixly_correct; + +static int _findlim __P((int)); + +static int ulimit_internal __P((int, char *, int, int)); + +static int get_limit __P((int, RLIMTYPE *, RLIMTYPE *)); +static int set_limit __P((int, RLIMTYPE, int)); + +static void printone __P((int, RLIMTYPE, int)); +static void print_all_limits __P((int)); + +static int set_all_limits __P((int, RLIMTYPE)); + +static int filesize __P((RLIMTYPE *)); +static int pipesize __P((RLIMTYPE *)); +static int getmaxuprc __P((RLIMTYPE *)); +static int getmaxvm __P((RLIMTYPE *, RLIMTYPE *)); + +typedef struct { + int option; /* The ulimit option for this limit. */ + int parameter; /* Parameter to pass to get_limit (). */ + int block_factor; /* Blocking factor for specific limit. */ + const char * const description; /* Descriptive string to output. */ + const char * const units; /* scale */ +} RESOURCE_LIMITS; + +static RESOURCE_LIMITS limits[] = { +#ifdef RLIMIT_PTHREAD + { 'T', RLIMIT_PTHREAD, 1, "number of threads", (char *)NULL }, +#endif +#ifdef RLIMIT_SBSIZE + { 'b', RLIMIT_SBSIZE, 1, "socket buffer size", "bytes" }, +#endif +#ifdef RLIMIT_CORE + { 'c', RLIMIT_CORE, POSIXBLK, "core file size", "blocks" }, +#endif +#ifdef RLIMIT_DATA + { 'd', RLIMIT_DATA, 1024, "data seg size", "kbytes" }, +#endif +#ifdef RLIMIT_NICE + { 'e', RLIMIT_NICE, 1, "scheduling priority", (char *)NULL }, +#endif + { 'f', RLIMIT_FILESIZE, POSIXBLK, "file size", "blocks" }, +#ifdef RLIMIT_SIGPENDING + { 'i', RLIMIT_SIGPENDING, 1, "pending signals", (char *)NULL }, +#endif +#ifdef RLIMIT_MEMLOCK + { 'l', RLIMIT_MEMLOCK, 1024, "max locked memory", "kbytes" }, +#endif +#ifdef RLIMIT_RSS + { 'm', RLIMIT_RSS, 1024, "max memory size", "kbytes" }, +#endif /* RLIMIT_RSS */ + { 'n', RLIMIT_OPENFILES, 1, "open files", (char *)NULL}, + { 'p', RLIMIT_PIPESIZE, 512, "pipe size", "512 bytes" }, +#ifdef RLIMIT_MSGQUEUE + { 'q', RLIMIT_MSGQUEUE, 1, "POSIX message queues", "bytes" }, +#endif +#ifdef RLIMIT_RTPRIO + { 'r', RLIMIT_RTPRIO, 1, "real-time priority", (char *)NULL }, +#endif +#ifdef RLIMIT_STACK + { 's', RLIMIT_STACK, 1024, "stack size", "kbytes" }, +#endif +#ifdef RLIMIT_CPU + { 't', RLIMIT_CPU, 1, "cpu time", "seconds" }, +#endif /* RLIMIT_CPU */ + { 'u', RLIMIT_MAXUPROC, 1, "max user processes", (char *)NULL }, +#if defined (HAVE_RESOURCE) + { 'v', RLIMIT_VIRTMEM, RLIMIT_VMBLKSZ, "virtual memory", "kbytes" }, +#endif +#ifdef RLIMIT_SWAP + { 'w', RLIMIT_SWAP, 1024, "swap size", "kbytes" }, +#endif +#ifdef RLIMIT_LOCKS + { 'x', RLIMIT_LOCKS, 1, "file locks", (char *)NULL }, +#endif + { -1, -1, -1, (char *)NULL, (char *)NULL } +}; +#define NCMDS (sizeof(limits) / sizeof(limits[0])) + +typedef struct _cmd { + int cmd; + char *arg; +} ULCMD; + +static ULCMD *cmdlist; +static int ncmd; +static int cmdlistsz; + +#if !defined (HAVE_RESOURCE) && !defined (HAVE_ULIMIT) +long +ulimit (cmd, newlim) + int cmd; + long newlim; +{ + errno = EINVAL; + return -1; +} +#endif /* !HAVE_RESOURCE && !HAVE_ULIMIT */ + +static int +_findlim (opt) + int opt; +{ + register int i; + + for (i = 0; limits[i].option > 0; i++) + if (limits[i].option == opt) + return i; + return -1; +} + +static char optstring[4 + 2 * NCMDS]; + +/* Report or set limits associated with certain per-process resources. + See the help documentation in builtins.c for a full description. */ +int +ulimit_builtin (list) + register WORD_LIST *list; +{ + register char *s; + int c, limind, mode, opt, all_limits; + + mode = 0; + + all_limits = 0; + + /* Idea stolen from pdksh -- build option string the first time called. */ + if (optstring[0] == 0) + { + s = optstring; + *s++ = 'a'; *s++ = 'S'; *s++ = 'H'; + for (c = 0; limits[c].option > 0; c++) + { + *s++ = limits[c].option; + *s++ = ';'; + } + *s = '\0'; + } + + /* Initialize the command list. */ + if (cmdlistsz == 0) + cmdlist = (ULCMD *)xmalloc ((cmdlistsz = 16) * sizeof (ULCMD)); + ncmd = 0; + + reset_internal_getopt (); + while ((opt = internal_getopt (list, optstring)) != -1) + { + switch (opt) + { + case 'a': + all_limits++; + break; + + /* -S and -H are modifiers, not real options. */ + case 'S': + mode |= LIMIT_SOFT; + break; + + case 'H': + mode |= LIMIT_HARD; + break; + + case '?': + builtin_usage (); + return (EX_USAGE); + + default: + if (ncmd >= cmdlistsz) + cmdlist = (ULCMD *)xrealloc (cmdlist, (cmdlistsz *= 2) * sizeof (ULCMD)); + cmdlist[ncmd].cmd = opt; + cmdlist[ncmd++].arg = list_optarg; + break; + } + } + list = loptend; + + if (all_limits) + { +#ifdef NOTYET + if (list) /* setting */ + { + if (STREQ (list->word->word, "unlimited") == 0) + { + builtin_error (_("%s: invalid limit argument"), list->word->word); + return (EXECUTION_FAILURE); + } + return (set_all_limits (mode == 0 ? LIMIT_SOFT|LIMIT_HARD : mode, RLIM_INFINITY)); + } +#endif + print_all_limits (mode == 0 ? LIMIT_SOFT : mode); + return (sh_chkwrite (EXECUTION_SUCCESS)); + } + + /* default is `ulimit -f' */ + if (ncmd == 0) + { + cmdlist[ncmd].cmd = 'f'; + /* `ulimit something' is same as `ulimit -f something' */ + cmdlist[ncmd++].arg = list ? list->word->word : (char *)NULL; + if (list) + list = list->next; + } + + /* verify each command in the list. */ + for (c = 0; c < ncmd; c++) + { + limind = _findlim (cmdlist[c].cmd); + if (limind == -1) + { + builtin_error (_("`%c': bad command"), cmdlist[c].cmd); + return (EX_USAGE); + } + } + + for (c = 0; c < ncmd; c++) + if (ulimit_internal (cmdlist[c].cmd, cmdlist[c].arg, mode, ncmd > 1) == EXECUTION_FAILURE) + return (EXECUTION_FAILURE); + + return (EXECUTION_SUCCESS); +} + +static int +ulimit_internal (cmd, cmdarg, mode, multiple) + int cmd; + char *cmdarg; + int mode, multiple; +{ + int opt, limind, setting; + int block_factor; + RLIMTYPE soft_limit, hard_limit, real_limit, limit; + + setting = cmdarg != 0; + limind = _findlim (cmd); + if (mode == 0) + mode = setting ? (LIMIT_HARD|LIMIT_SOFT) : LIMIT_SOFT; + opt = get_limit (limind, &soft_limit, &hard_limit); + if (opt < 0) + { + builtin_error (_("%s: cannot get limit: %s"), limits[limind].description, + strerror (errno)); + return (EXECUTION_FAILURE); + } + + if (setting == 0) /* print the value of the specified limit */ + { + printone (limind, (mode & LIMIT_SOFT) ? soft_limit : hard_limit, multiple); + return (EXECUTION_SUCCESS); + } + + /* Setting the limit. */ + if (STREQ (cmdarg, "hard")) + real_limit = hard_limit; + else if (STREQ (cmdarg, "soft")) + real_limit = soft_limit; + else if (STREQ (cmdarg, "unlimited")) + real_limit = RLIM_INFINITY; + else if (all_digits (cmdarg)) + { + limit = string_to_rlimtype (cmdarg); + block_factor = BLOCKSIZE(limits[limind].block_factor); + real_limit = limit * block_factor; + + if ((real_limit / block_factor) != limit) + { + sh_erange (cmdarg, _("limit")); + return (EXECUTION_FAILURE); + } + } + else + { + sh_invalidnum (cmdarg); + return (EXECUTION_FAILURE); + } + + if (set_limit (limind, real_limit, mode) < 0) + { + builtin_error (_("%s: cannot modify limit: %s"), limits[limind].description, + strerror (errno)); + return (EXECUTION_FAILURE); + } + + return (EXECUTION_SUCCESS); +} + +static int +get_limit (ind, softlim, hardlim) + int ind; + RLIMTYPE *softlim, *hardlim; +{ + RLIMTYPE value; +#if defined (HAVE_RESOURCE) + struct rlimit limit; +#endif + + if (limits[ind].parameter >= 256) + { + switch (limits[ind].parameter) + { + case RLIMIT_FILESIZE: + if (filesize (&value) < 0) + return -1; + break; + case RLIMIT_PIPESIZE: + if (pipesize (&value) < 0) + return -1; + break; + case RLIMIT_OPENFILES: + value = (RLIMTYPE)getdtablesize (); + break; + case RLIMIT_VIRTMEM: + return (getmaxvm (softlim, hardlim)); + case RLIMIT_MAXUPROC: + if (getmaxuprc (&value) < 0) + return -1; + break; + default: + errno = EINVAL; + return -1; + } + *softlim = *hardlim = value; + return (0); + } + else + { +#if defined (HAVE_RESOURCE) + if (getrlimit (limits[ind].parameter, &limit) < 0) + return -1; + *softlim = limit.rlim_cur; + *hardlim = limit.rlim_max; +# if defined (HPUX9) + if (limits[ind].parameter == RLIMIT_FILESIZE) + { + *softlim *= 512; + *hardlim *= 512; /* Ugh. */ + } + else +# endif /* HPUX9 */ + return 0; +#else + errno = EINVAL; + return -1; +#endif + } +} + +static int +set_limit (ind, newlim, mode) + int ind; + RLIMTYPE newlim; + int mode; +{ +#if defined (HAVE_RESOURCE) + struct rlimit limit; + RLIMTYPE val; +#endif + + if (limits[ind].parameter >= 256) + switch (limits[ind].parameter) + { + case RLIMIT_FILESIZE: +#if !defined (HAVE_RESOURCE) + return (ulimit (2, newlim / 512L)); +#else + errno = EINVAL; + return -1; +#endif + + case RLIMIT_OPENFILES: +#if defined (HAVE_SETDTABLESIZE) +# if defined (__CYGWIN__) + /* Grrr... Cygwin declares setdtablesize as void. */ + setdtablesize (newlim); + return 0; +# else + return (setdtablesize (newlim)); +# endif +#endif + case RLIMIT_PIPESIZE: + case RLIMIT_VIRTMEM: + case RLIMIT_MAXUPROC: + default: + errno = EINVAL; + return -1; + } + else + { +#if defined (HAVE_RESOURCE) + if (getrlimit (limits[ind].parameter, &limit) < 0) + return -1; +# if defined (HPUX9) + if (limits[ind].parameter == RLIMIT_FILESIZE) + newlim /= 512; /* Ugh. */ +# endif /* HPUX9 */ + val = (current_user.euid != 0 && newlim == RLIM_INFINITY && + (mode & LIMIT_HARD) == 0 && /* XXX -- test */ + (limit.rlim_cur <= limit.rlim_max)) + ? limit.rlim_max : newlim; + if (mode & LIMIT_SOFT) + limit.rlim_cur = val; + if (mode & LIMIT_HARD) + limit.rlim_max = val; + + return (setrlimit (limits[ind].parameter, &limit)); +#else + errno = EINVAL; + return -1; +#endif + } +} + +static int +getmaxvm (softlim, hardlim) + RLIMTYPE *softlim, *hardlim; +{ +#if defined (HAVE_RESOURCE) + struct rlimit datalim, stacklim; + + if (getrlimit (RLIMIT_DATA, &datalim) < 0) + return -1; + + if (getrlimit (RLIMIT_STACK, &stacklim) < 0) + return -1; + + /* Protect against overflow. */ + *softlim = (datalim.rlim_cur / 1024L) + (stacklim.rlim_cur / 1024L); + *hardlim = (datalim.rlim_max / 1024L) + (stacklim.rlim_max / 1024L); + return 0; +#else + errno = EINVAL; + return -1; +#endif /* HAVE_RESOURCE */ +} + +static int +filesize(valuep) + RLIMTYPE *valuep; +{ +#if !defined (HAVE_RESOURCE) + long result; + if ((result = ulimit (1, 0L)) < 0) + return -1; + else + *valuep = (RLIMTYPE) result * 512; + return 0; +#else + errno = EINVAL; + return -1; +#endif +} + +static int +pipesize (valuep) + RLIMTYPE *valuep; +{ +#if defined (PIPE_BUF) + /* This is defined on Posix systems. */ + *valuep = (RLIMTYPE) PIPE_BUF; + return 0; +#else +# if defined (_POSIX_PIPE_BUF) + *valuep = (RLIMTYPE) _POSIX_PIPE_BUF; + return 0; +# else +# if defined (PIPESIZE) + /* This is defined by running a program from the Makefile. */ + *valuep = (RLIMTYPE) PIPESIZE; + return 0; +# else + errno = EINVAL; + return -1; +# endif /* PIPESIZE */ +# endif /* _POSIX_PIPE_BUF */ +#endif /* PIPE_BUF */ +} + +static int +getmaxuprc (valuep) + RLIMTYPE *valuep; +{ + long maxchild; + + maxchild = getmaxchild (); + if (maxchild < 0) + { + errno = EINVAL; + return -1; + } + else + { + *valuep = (RLIMTYPE) maxchild; + return 0; + } +} + +static void +print_all_limits (mode) + int mode; +{ + register int i; + RLIMTYPE softlim, hardlim; + + if (mode == 0) + mode |= LIMIT_SOFT; + + for (i = 0; limits[i].option > 0; i++) + { + if (get_limit (i, &softlim, &hardlim) == 0) + printone (i, (mode & LIMIT_SOFT) ? softlim : hardlim, 1); + else if (errno != EINVAL) + builtin_error ("%s: cannot get limit: %s", limits[i].description, + strerror (errno)); + } +} + +static void +printone (limind, curlim, pdesc) + int limind; + RLIMTYPE curlim; + int pdesc; +{ + char unitstr[64]; + int factor; + + factor = BLOCKSIZE(limits[limind].block_factor); + if (pdesc) + { + if (limits[limind].units) + sprintf (unitstr, "(%s, -%c) ", limits[limind].units, limits[limind].option); + else + sprintf (unitstr, "(-%c) ", limits[limind].option); + + printf ("%-20s %16s", limits[limind].description, unitstr); + } + if (curlim == RLIM_INFINITY) + puts ("unlimited"); + else if (curlim == RLIM_SAVED_MAX) + puts ("hard"); + else if (curlim == RLIM_SAVED_CUR) + puts ("soft"); + else + print_rlimtype ((curlim / factor), 1); +} + +/* Set all limits to NEWLIM. NEWLIM currently must be RLIM_INFINITY, which + causes all limits to be set as high as possible depending on mode (like + csh `unlimit'). Returns -1 if NEWLIM is invalid, 0 if all limits + were set successfully, and 1 if at least one limit could not be set. + + To raise all soft limits to their corresponding hard limits, use + ulimit -S -a unlimited + To attempt to raise all hard limits to infinity (superuser-only), use + ulimit -H -a unlimited + To attempt to raise all soft and hard limits to infinity, use + ulimit -a unlimited +*/ + +static int +set_all_limits (mode, newlim) + int mode; + RLIMTYPE newlim; +{ + register int i; + int retval = 0; + + if (newlim != RLIM_INFINITY) + { + errno = EINVAL; + return -1; + } + + if (mode == 0) + mode = LIMIT_SOFT|LIMIT_HARD; + + for (retval = i = 0; limits[i].option > 0; i++) + if (set_limit (i, newlim, mode) < 0) + { + builtin_error (_("%s: cannot modify limit: %s"), limits[i].description, + strerror (errno)); + retval = 1; + } + return retval; +} + +#endif /* !_MINIX */ diff --git a/builtins/umask.c b/builtins/umask.c new file mode 100644 index 0000000..b53c5b8 --- /dev/null +++ b/builtins/umask.c @@ -0,0 +1,280 @@ +/* umask.c, created from umask.def. */ +#line 22 "./umask.def" + +#line 41 "./umask.def" + +#include <config.h> + +#include "../bashtypes.h" +#include "filecntl.h" +#if ! defined(_MINIX) && defined (HAVE_SYS_FILE_H) +# include <sys/file.h> +#endif + +#if defined (HAVE_UNISTD_H) +#include <unistd.h> +#endif + +#include <stdio.h> +#include <chartypes.h> + +#include "../bashintl.h" + +#include "../shell.h" +#include "posixstat.h" +#include "common.h" +#include "bashgetopt.h" + +#ifdef __LCC__ +#define mode_t int +#endif + +/* **************************************************************** */ +/* */ +/* UMASK Builtin and Helpers */ +/* */ +/* **************************************************************** */ + +static void print_symbolic_umask __P((mode_t)); +static int symbolic_umask __P((WORD_LIST *)); + +/* Set or display the mask used by the system when creating files. Flag + of -S means display the umask in a symbolic mode. */ +int +umask_builtin (list) + WORD_LIST *list; +{ + int print_symbolically, opt, umask_value, pflag; + mode_t umask_arg; + + print_symbolically = pflag = 0; + reset_internal_getopt (); + while ((opt = internal_getopt (list, "Sp")) != -1) + { + switch (opt) + { + case 'S': + print_symbolically++; + break; + case 'p': + pflag++; + break; + default: + builtin_usage (); + return (EX_USAGE); + } + } + + list = loptend; + + if (list) + { + if (DIGIT (*list->word->word)) + { + umask_value = read_octal (list->word->word); + + /* Note that other shells just let you set the umask to zero + by specifying a number out of range. This is a problem + with those shells. We don't change the umask if the input + is lousy. */ + if (umask_value == -1) + { + sh_erange (list->word->word, _("octal number")); + return (EXECUTION_FAILURE); + } + } + else + { + umask_value = symbolic_umask (list); + if (umask_value == -1) + return (EXECUTION_FAILURE); + } + umask_arg = (mode_t)umask_value; + umask (umask_arg); + if (print_symbolically) + print_symbolic_umask (umask_arg); + } + else /* Display the UMASK for this user. */ + { + umask_arg = umask (022); + umask (umask_arg); + + if (pflag) + printf ("umask%s ", (print_symbolically ? " -S" : "")); + if (print_symbolically) + print_symbolic_umask (umask_arg); + else + printf ("%04lo\n", (unsigned long)umask_arg); + } + + return (sh_chkwrite (EXECUTION_SUCCESS)); +} + +/* Print the umask in a symbolic form. In the output, a letter is + printed if the corresponding bit is clear in the umask. */ +static void +print_symbolic_umask (um) + mode_t um; +{ + char ubits[4], gbits[4], obits[4]; /* u=rwx,g=rwx,o=rwx */ + int i; + + i = 0; + if ((um & S_IRUSR) == 0) + ubits[i++] = 'r'; + if ((um & S_IWUSR) == 0) + ubits[i++] = 'w'; + if ((um & S_IXUSR) == 0) + ubits[i++] = 'x'; + ubits[i] = '\0'; + + i = 0; + if ((um & S_IRGRP) == 0) + gbits[i++] = 'r'; + if ((um & S_IWGRP) == 0) + gbits[i++] = 'w'; + if ((um & S_IXGRP) == 0) + gbits[i++] = 'x'; + gbits[i] = '\0'; + + i = 0; + if ((um & S_IROTH) == 0) + obits[i++] = 'r'; + if ((um & S_IWOTH) == 0) + obits[i++] = 'w'; + if ((um & S_IXOTH) == 0) + obits[i++] = 'x'; + obits[i] = '\0'; + + printf ("u=%s,g=%s,o=%s\n", ubits, gbits, obits); +} + +int +parse_symbolic_mode (mode, initial_bits) + char *mode; + int initial_bits; +{ + int who, op, perm, bits, c; + char *s; + + for (s = mode, bits = initial_bits;;) + { + who = op = perm = 0; + + /* Parse the `who' portion of the symbolic mode clause. */ + while (member (*s, "agou")) + { + switch (c = *s++) + { + case 'u': + who |= S_IRWXU; + continue; + case 'g': + who |= S_IRWXG; + continue; + case 'o': + who |= S_IRWXO; + continue; + case 'a': + who |= S_IRWXU | S_IRWXG | S_IRWXO; + continue; + default: + break; + } + } + + /* The operation is now sitting in *s. */ + op = *s++; + switch (op) + { + case '+': + case '-': + case '=': + break; + default: + builtin_error (_("`%c': invalid symbolic mode operator"), op); + return (-1); + } + + /* Parse out the `perm' section of the symbolic mode clause. */ + while (member (*s, "rwx")) + { + c = *s++; + + switch (c) + { + case 'r': + perm |= S_IRUGO; + break; + case 'w': + perm |= S_IWUGO; + break; + case 'x': + perm |= S_IXUGO; + break; + } + } + + /* Now perform the operation or return an error for a + bad permission string. */ + if (!*s || *s == ',') + { + if (who) + perm &= who; + + switch (op) + { + case '+': + bits |= perm; + break; + case '-': + bits &= ~perm; + break; + case '=': + if (who == 0) + who = S_IRWXU | S_IRWXG | S_IRWXO; + bits &= ~who; + bits |= perm; + break; + + /* No other values are possible. */ + } + + if (*s == '\0') + break; + else + s++; /* skip past ',' */ + } + else + { + builtin_error (_("`%c': invalid symbolic mode character"), *s); + return (-1); + } + } + + return (bits); +} + +/* Set the umask from a symbolic mode string similar to that accepted + by chmod. If the -S argument is given, then print the umask in a + symbolic form. */ +static int +symbolic_umask (list) + WORD_LIST *list; +{ + int um, bits; + + /* Get the initial umask. Don't change it yet. */ + um = umask (022); + umask (um); + + /* All work is done with the complement of the umask -- it's + more intuitive and easier to deal with. It is complemented + again before being returned. */ + bits = parse_symbolic_mode (list->word->word, ~um & 0777); + if (bits == -1) + return (-1); + + um = ~bits & 0777; + return (um); +} diff --git a/builtins/wait.c b/builtins/wait.c new file mode 100644 index 0000000..60043df --- /dev/null +++ b/builtins/wait.c @@ -0,0 +1,138 @@ +/* wait.c, created from wait.def. */ +#line 38 "./wait.def" + +#line 53 "./wait.def" + +#include <config.h> + +#include "../bashtypes.h" +#include <signal.h> + +#if defined (HAVE_UNISTD_H) +# include <unistd.h> +#endif + +#include <chartypes.h> + +#include "../bashansi.h" + +#include "../shell.h" +#include "../jobs.h" +#include "common.h" +#include "bashgetopt.h" + +extern int wait_signal_received; + +procenv_t wait_intr_buf; + +/* Wait for the pid in LIST to stop or die. If no arguments are given, then + wait for all of the active background processes of the shell and return + 0. If a list of pids or job specs are given, return the exit status of + the last one waited for. */ + +#define WAIT_RETURN(s) \ + do \ + { \ + interrupt_immediately = old_interrupt_immediately;\ + return (s);\ + } \ + while (0) + +int +wait_builtin (list) + WORD_LIST *list; +{ + int status, code; + volatile int old_interrupt_immediately; + + USE_VAR(list); + + if (no_options (list)) + return (EX_USAGE); + list = loptend; + + old_interrupt_immediately = interrupt_immediately; + interrupt_immediately++; + + /* POSIX.2 says: When the shell is waiting (by means of the wait utility) + for asynchronous commands to complete, the reception of a signal for + which a trap has been set shall cause the wait utility to return + immediately with an exit status greater than 128, after which the trap + associated with the signal shall be taken. + + We handle SIGINT here; it's the only one that needs to be treated + specially (I think), since it's handled specially in {no,}jobs.c. */ + code = setjmp (wait_intr_buf); + if (code) + { + status = 128 + wait_signal_received; + WAIT_RETURN (status); + } + + /* We support jobs or pids. + wait <pid-or-job> [pid-or-job ...] */ + + /* But wait without any arguments means to wait for all of the shell's + currently active background processes. */ + if (list == 0) + { + wait_for_background_pids (); + WAIT_RETURN (EXECUTION_SUCCESS); + } + + status = EXECUTION_SUCCESS; + while (list) + { + pid_t pid; + char *w; + intmax_t pid_value; + + w = list->word->word; + if (DIGIT (*w)) + { + if (legal_number (w, &pid_value) && pid_value == (pid_t)pid_value) + { + pid = (pid_t)pid_value; + status = wait_for_single_pid (pid); + } + else + { + sh_badpid (w); + WAIT_RETURN (EXECUTION_FAILURE); + } + } +#if defined (JOB_CONTROL) + else if (*w && *w == '%') + /* Must be a job spec. Check it out. */ + { + int job; + sigset_t set, oset; + + BLOCK_CHILD (set, oset); + job = get_job_spec (list); + + if (INVALID_JOB (job)) + { + if (job != DUP_JOB) + sh_badjob (list->word->word); + UNBLOCK_CHILD (oset); + status = 127; /* As per Posix.2, section 4.70.2 */ + list = list->next; + continue; + } + + /* Job spec used. Wait for the last pid in the pipeline. */ + UNBLOCK_CHILD (oset); + status = wait_for_job (job); + } +#endif /* JOB_CONTROL */ + else + { + sh_badpid (w); + status = EXECUTION_FAILURE; + } + list = list->next; + } + + WAIT_RETURN (status); +} diff --git a/config.h b/config.h new file mode 100644 index 0000000..7386d70 --- /dev/null +++ b/config.h @@ -0,0 +1,1115 @@ +/* config.h. Generated from config.h.in by configure. */ +/* config.h -- Configuration file for bash. */ + +/* Copyright (C) 1987-2009 Free Software Foundation, Inc. + + This file is part of GNU Bash, the Bourne Again SHell. + + Bash is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + Bash is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with Bash. If not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef _CONFIG_H_ +#define _CONFIG_H_ + +/* Configuration feature settings controllable by autoconf. */ + +/* Define JOB_CONTROL if your operating system supports + BSD-like job control. */ +#define JOB_CONTROL 1 + +/* Define ALIAS if you want the alias features. */ +#define ALIAS 1 + +/* Define PUSHD_AND_POPD if you want those commands to be compiled in. + (Also the `dirs' commands.) */ +#define PUSHD_AND_POPD 1 + +/* Define BRACE_EXPANSION if you want curly brace expansion a la Csh: + foo{a,b} -> fooa foob. Even if this is compiled in (the default) you + can turn it off at shell startup with `-nobraceexpansion', or during + shell execution with `set +o braceexpand'. */ +#define BRACE_EXPANSION 1 + +/* Define READLINE to get the nifty/glitzy editing features. + This is on by default. You can turn it off interactively + with the -nolineediting flag. */ +#define READLINE 1 + +/* Define BANG_HISTORY if you want to have Csh style "!" history expansion. + This is unrelated to READLINE. */ +#define BANG_HISTORY 1 + +/* Define HISTORY if you want to have access to previously typed commands. + + If both HISTORY and READLINE are defined, you can get at the commands + with line editing commands, and you can directly manipulate the history + from the command line. + + If only HISTORY is defined, the `fc' and `history' builtins are + available. */ +#define HISTORY 1 + +/* Define this if you want completion that puts all alternatives into + a brace expansion shell expression. */ +#if defined (BRACE_EXPANSION) && defined (READLINE) +# define BRACE_COMPLETION +#endif /* BRACE_EXPANSION */ + +/* Define DEFAULT_ECHO_TO_XPG if you want the echo builtin to interpret + the backslash-escape characters by default, like the XPG Single Unix + Specification V2 for echo. + This requires that V9_ECHO be defined. */ +/* #undef DEFAULT_ECHO_TO_XPG */ + +/* Define HELP_BUILTIN if you want the `help' shell builtin and the long + documentation strings compiled into the shell. */ +#define HELP_BUILTIN 1 + +/* Define RESTRICTED_SHELL if you want the generated shell to have the + ability to be a restricted one. The shell thus generated can become + restricted by being run with the name "rbash", or by setting the -r + flag. */ +#define RESTRICTED_SHELL 1 + +/* Define DISABLED_BUILTINS if you want "builtin foo" to always run the + shell builtin "foo", even if it has been disabled with "enable -n foo". */ +/* #undef DISABLED_BUILTINS */ + +/* Define PROCESS_SUBSTITUTION if you want the K*rn shell-like process + substitution features "<(file)". */ +/* Right now, you cannot do this on machines without fully operational + FIFO support. This currently include NeXT and Alliant. */ +#define PROCESS_SUBSTITUTION 1 + +/* Define PROMPT_STRING_DECODE if you want the backslash-escaped special + characters in PS1 and PS2 expanded. Variable expansion will still be + performed. */ +#define PROMPT_STRING_DECODE 1 + +/* Define SELECT_COMMAND if you want the Korn-shell style `select' command: + select word in word_list; do command_list; done */ +#define SELECT_COMMAND 1 + +/* Define COMMAND_TIMING of you want the ksh-style `time' reserved word and + the ability to time pipelines, functions, and builtins. */ +#define COMMAND_TIMING 1 + +/* Define ARRAY_VARS if you want ksh-style one-dimensional array variables. */ +#define ARRAY_VARS 1 + +/* Define DPAREN_ARITHMETIC if you want the ksh-style ((...)) arithmetic + evaluation command. */ +#define DPAREN_ARITHMETIC 1 + +/* Define EXTENDED_GLOB if you want the ksh-style [*+@?!](patlist) extended + pattern matching. */ +#define EXTENDED_GLOB 1 + +/* Define EXTGLOB_DEFAULT to the value you'd like the extglob shell option + to have by default */ +#define EXTGLOB_DEFAULT 0 + +/* Define COND_COMMAND if you want the ksh-style [[...]] conditional + command. */ +#define COND_COMMAND 1 + +/* Define COND_REGEXP if you want extended regular expression matching and the + =~ binary operator in the [[...]] conditional command. */ +#define COND_REGEXP 1 + +/* Define COPROCESS_SUPPORT if you want support for ksh-like coprocesses and + the `coproc' reserved word */ +#define COPROCESS_SUPPORT 1 + +/* Define ARITH_FOR_COMMAND if you want the ksh93-style + for (( init; test; step )) do list; done + arithmetic for command. */ +#define ARITH_FOR_COMMAND 1 + +/* Define NETWORK_REDIRECTIONS if you want /dev/(tcp|udp)/host/port to open + socket connections when used in redirections */ +#define NETWORK_REDIRECTIONS 1 + +/* Define PROGRAMMABLE_COMPLETION for the programmable completion features + and the complete builtin. */ +#define PROGRAMMABLE_COMPLETION 1 + +/* Define NO_MULTIBYTE_SUPPORT to not compile in support for multibyte + characters, even if the OS supports them. */ +/* #undef NO_MULTIBYTE_SUPPORT */ + +/* Define DEBUGGER if you want to compile in some features used only by the + bash debugger. */ +#define DEBUGGER 1 + +/* Define STRICT_POSIX if you want bash to be strictly posix.2 conformant by + default (except for echo; that is controlled separately). */ +/* #undef STRICT_POSIX */ + +/* Define MEMSCRAMBLE if you want the bash malloc and free to scramble + memory contents on malloc() and free(). */ +#define MEMSCRAMBLE 1 + +/* Define AFS if you are using Transarc's AFS. */ +/* #undef AFS */ + +/* Define for case-modifying variable attributes; variables modified on + assignment */ +#define CASEMOD_ATTRS 1 + +/* Define for case-modifying word expansions */ +#define CASEMOD_EXPANSIONS 1 + +/* #undef ENABLE_NLS */ + +/* End of configuration settings controllable by autoconf. */ +/* Other settable options appear in config-top.h. */ + +#include "config-top.h" + +/* Beginning of autoconf additions. */ + +/* Characteristics of the C compiler */ +/* #undef const */ + +/* #undef inline */ + +#define restrict __restrict + +/* #undef volatile */ + +/* Define if cpp supports the ANSI-C stringizing `#' operator */ +#define HAVE_STRINGIZE 1 + +/* Define if the compiler supports `long double' variables. */ +#define HAVE_LONG_DOUBLE 1 + +#define PROTOTYPES 1 + +/* #undef __CHAR_UNSIGNED__ */ + +/* Define if the compiler supports `long long' variables. */ +#define HAVE_LONG_LONG 1 + +#define HAVE_UNSIGNED_LONG_LONG 1 + +/* The number of bytes in a int. */ +#define SIZEOF_INT 4 + +/* The number of bytes in a long. */ +#define SIZEOF_LONG 8 + +/* The number of bytes in a pointer to char. */ +#define SIZEOF_CHAR_P 8 + +/* The number of bytes in a double (hopefully 8). */ +#define SIZEOF_DOUBLE 8 + +/* The number of bytes in a `long long', if we have one. */ +#define SIZEOF_LONG_LONG 8 + +/* System paths */ + +#define DEFAULT_MAIL_DIRECTORY "/var/mail" + +/* Characteristics of the system's header files and libraries that affect + the compilation environment. */ + +/* Define if the system does not provide POSIX.1 features except + with this defined. */ +/* #undef _POSIX_1_SOURCE */ + +/* Define if you need to in order for stat and other things to work. */ +/* #undef _POSIX_SOURCE */ + +/* Define to use GNU libc extensions */ +#define _GNU_SOURCE 1 + +/* Define if you have the ANSI C header files. */ +#define STDC_HEADERS 1 + +/* Memory management functions. */ + +/* Define if using the bash version of malloc in lib/malloc/malloc.c */ +/* #undef USING_BASH_MALLOC */ + +/* #undef DISABLE_MALLOC_WRAPPERS */ + +/* Define if using alloca.c. */ +/* #undef C_ALLOCA */ + +/* Define to one of _getb67, GETB67, getb67 for Cray-2 and Cray-YMP systems. + This function is required for alloca.c support on those systems. */ +/* #undef CRAY_STACKSEG_END */ + +/* Define if you have alloca, as a function or macro. */ +#define HAVE_ALLOCA 1 + +/* Define if you have <alloca.h> and it should be used (not on Ultrix). */ +#define HAVE_ALLOCA_H 1 + + +/* SYSTEM TYPES */ + +/* Define to `long' if <sys/types.h> doesn't define. */ +/* #undef off_t */ + +/* Define to `int' if <sys/types.h> doesn't define. */ +/* #undef mode_t */ + +/* Define to `int' if <signal.h> doesn't define. */ +/* #undef sigset_t */ + +/* Define to `int' if <sys/types.h> doesn't define. */ +/* #undef pid_t */ + +/* Define to `short' if <sys/types.h> doesn't define. */ +#define bits16_t short + +/* Define to `unsigned short' if <sys/types.h> doesn't define. */ +#define u_bits16_t unsigned short + +/* Define to `int' if <sys/types.h> doesn't define. */ +#define bits32_t int + +/* Define to `unsigned int' if <sys/types.h> doesn't define. */ +#define u_bits32_t unsigned int + +/* Define to `double' if <sys/types.h> doesn't define. */ +#define bits64_t char * + +/* Define to `unsigned int' if <sys/types.h> doesn't define. */ +/* #undef u_int */ + +/* Define to `unsigned long' if <sys/types.h> doesn't define. */ +/* #undef u_long */ + +/* Define to `int' if <sys/types.h> doesn't define. */ +/* #undef ptrdiff_t */ + +/* Define to `unsigned' if <sys/types.h> doesn't define. */ +/* #undef size_t */ + +/* Define to `int' if <sys/types.h> doesn't define. */ +/* #undef ssize_t */ + +/* Define to `long' if <stdint.h> doesn't define. */ +/* #undef intmax_t */ + +/* Define to `unsigned long' if <stdint.h> doesn't define. */ +/* #undef uintmax_t */ + +/* Define to `int' if <sys/types.h> doesn't define. */ +/* #undef uid_t */ + +/* Define to `long' if <sys/types.h> doesn't define. */ +/* #undef clock_t */ + +/* Define to `long' if <sys/types.h> doesn't define. */ +/* #undef time_t */ + +/* Define to `int' if <sys/types.h> doesn't define. */ +/* #undef gid_t */ + +/* Define to `unsigned int' if <sys/socket.h> doesn't define. */ +/* #undef socklen_t */ + +/* Define to `int' if <signal.h> doesn't define. */ +/* #undef sig_atomic_t */ + +#define HAVE_MBSTATE_T 1 + +/* Define if you have quad_t in <sys/types.h>. */ +#define HAVE_QUAD_T 1 + +/* Define if you have wchar_t in <wctype.h>. */ +#define HAVE_WCHAR_T 1 + +/* Define if you have wctype_t in <wctype.h>. */ +#define HAVE_WCTYPE_T 1 + +/* Define if you have wint_t in <wctype.h>. */ +#define HAVE_WINT_T 1 + +#define RLIMTYPE __rlim_t + +/* Define to the type of elements in the array set by `getgroups'. + Usually this is either `int' or `gid_t'. */ +#define GETGROUPS_T gid_t + +/* Characteristics of the machine archictecture. */ + +/* If using the C implementation of alloca, define if you know the + direction of stack growth for your system; otherwise it will be + automatically deduced at run-time. + STACK_DIRECTION > 0 => grows toward higher addresses + STACK_DIRECTION < 0 => grows toward lower addresses + STACK_DIRECTION = 0 => direction of growth unknown + */ +/* #undef STACK_DIRECTION */ + +/* Define if the machine architecture is big-endian. */ +/* #undef WORDS_BIGENDIAN */ + +/* Check for the presence of certain non-function symbols in the system + libraries. */ + +/* Define if `sys_siglist' is declared by <signal.h> or <unistd.h>. */ +#define HAVE_DECL_SYS_SIGLIST 1 +/* #undef SYS_SIGLIST_DECLARED */ + +/* Define if `_sys_siglist' is declared by <signal.h> or <unistd.h>. */ +#define UNDER_SYS_SIGLIST_DECLARED 1 + +#define HAVE_SYS_SIGLIST 1 + +#define HAVE_UNDER_SYS_SIGLIST 1 + +#define HAVE_SYS_ERRLIST 1 + +/* #undef HAVE_TZNAME */ +/* #undef HAVE_DECL_TZNAME */ + +/* Characteristics of some of the system structures. */ + +#define HAVE_STRUCT_DIRENT_D_INO 1 + +#define HAVE_STRUCT_DIRENT_D_FILENO 1 + +/* #undef HAVE_STRUCT_DIRENT_D_NAMLEN */ + +/* #undef TIOCSTAT_IN_SYS_IOCTL */ + +#define FIONREAD_IN_SYS_IOCTL 1 + +#define GWINSZ_IN_SYS_IOCTL 1 + +/* #undef STRUCT_WINSIZE_IN_SYS_IOCTL */ + +/* #undef TM_IN_SYS_TIME */ + +#define STRUCT_WINSIZE_IN_TERMIOS 1 + +/* #undef SPEED_T_IN_SYS_TYPES */ + +#define TERMIOS_LDISC 1 + +#define TERMIO_LDISC 1 + +#define HAVE_STRUCT_STAT_ST_BLOCKS 1 + +#define HAVE_STRUCT_TM_TM_ZONE 1 +#define HAVE_TM_ZONE 1 + +#define HAVE_TIMEVAL 1 + +#define HAVE_STRUCT_TIMEZONE 1 + +/* Characteristics of definitions in the system header files. */ + +#define HAVE_GETPW_DECLS 1 + +/* #undef HAVE_RESOURCE */ + +/* #undef HAVE_LIBC_FNM_EXTMATCH */ + +#define HAVE_DECL_CONFSTR 1 + +#define HAVE_DECL_PRINTF 1 + +#define HAVE_DECL_SBRK 1 + +#define HAVE_DECL_STRCPY 1 + +#define HAVE_DECL_STRSIGNAL 1 + +/* #undef HAVE_DECL_STRTOLD */ + +/* #undef PRI_MACROS_BROKEN */ + +/* #undef STRTOLD_BROKEN */ + +/* Define if WCONTINUED is defined in system headers, but rejected by waitpid */ +/* #undef WCONTINUED_BROKEN */ + +/* These are checked with BASH_CHECK_DECL */ + +#define HAVE_DECL_STRTOIMAX 1 +#define HAVE_DECL_STRTOL 1 +#define HAVE_DECL_STRTOLL 1 +#define HAVE_DECL_STRTOUL 1 +#define HAVE_DECL_STRTOULL 1 +#define HAVE_DECL_STRTOUMAX 1 + +/* Characteristics of system calls and C library functions. */ + +/* Define if the `getpgrp' function takes no argument. */ +#define GETPGRP_VOID 1 + +/* #undef NAMED_PIPES_MISSING */ + +/* #undef OPENDIR_NOT_ROBUST */ + +#define PGRP_PIPE 1 + +/* Define if the setvbuf function takes the buffering type as its second + argument and the buffer pointer as the third, as on System V + before release 3. */ +/* #undef SETVBUF_REVERSED */ + +/* #undef STAT_MACROS_BROKEN */ + +#define ULIMIT_MAXFDS 1 + +#define CAN_REDEFINE_GETENV 1 + +/* #undef HAVE_STD_PUTENV */ + +#define HAVE_STD_UNSETENV 1 + +#define HAVE_PRINTF_A_FORMAT 1 + +#define CTYPE_NON_ASCII 1 + +/* Define if you have <langinfo.h> and nl_langinfo(CODESET). */ +#define HAVE_LANGINFO_CODESET 1 + +/* Characteristics of properties exported by the kernel. */ + +/* Define if the kernel can exec files beginning with #! */ +#define HAVE_HASH_BANG_EXEC 1 + +/* Define if you have the /dev/fd devices to map open files into the file system. */ +#define HAVE_DEV_FD 1 + +/* Defined to /dev/fd or /proc/self/fd (linux). */ +#define DEV_FD_PREFIX "/dev/fd/" + +/* Define if you have the /dev/stdin device. */ +#define HAVE_DEV_STDIN 1 + +/* The type of iconv's `inbuf' argument */ +#define ICONV_CONST + +/* Type and behavior of signal handling functions. */ + +/* Define as the return type of signal handlers (int or void). */ +#define RETSIGTYPE void + +/* Define if return type of signal handlers is void */ +#define VOID_SIGHANDLER 1 + +/* #undef MUST_REINSTALL_SIGHANDLERS */ + +/* #undef HAVE_BSD_SIGNALS */ + +#define HAVE_POSIX_SIGNALS 1 + +/* #undef HAVE_USG_SIGHOLD */ + +/* #undef UNUSABLE_RT_SIGNALS */ + + +/* Presence of system and C library functions. */ + +/* Define if you have the asprintf function. */ +#define HAVE_ASPRINTF 1 + +/* Define if you have the bcopy function. */ +#define HAVE_BCOPY 1 + +/* Define if you have the bzero function. */ +#define HAVE_BZERO 1 + +/* Define if you have the confstr function. */ +#define HAVE_CONFSTR 1 + +/* Define if you have the dlclose function. */ +/* #undef HAVE_DLCLOSE */ + +/* Define if you have the dlopen function. */ +/* #undef HAVE_DLOPEN */ + +/* Define if you have the dlsym function. */ +/* #undef HAVE_DLSYM */ + +/* Define if you don't have vprintf but do have _doprnt. */ +/* #undef HAVE_DOPRNT */ + +/* Define if you have the dup2 function. */ +#define HAVE_DUP2 1 + +/* Define if you have the eaccess function. */ +/* #undef HAVE_EACCESS */ + +/* Define if you have the fcntl function. */ +#define HAVE_FCNTL 1 + +/* Define if you have the fdprintf function. */ +/* #undef HAVE_FDPRINTF */ + +/* Define if you have the fpurge/__fpurge function. */ +#define HAVE_FPURGE 1 +/* #undef HAVE___FPURGE */ +#define HAVE_DECL_FPURGE 0 + +/* Define if you have the getaddrinfo function. */ +#define HAVE_GETADDRINFO 1 + +/* Define if you have the getcwd function. */ +#define HAVE_GETCWD 1 + +/* Define if you have the getdtablesize function. */ +#define HAVE_GETDTABLESIZE 1 + +/* Define if you have the getgroups function. */ +#define HAVE_GETGROUPS 1 + +/* Define if you have the gethostbyname function. */ +#define HAVE_GETHOSTBYNAME 1 + +/* Define if you have the gethostname function. */ +#define HAVE_GETHOSTNAME 1 + +/* Define if you have the getpagesize function. */ +#define HAVE_GETPAGESIZE 1 + +/* Define if you have the getpeername function. */ +#define HAVE_GETPEERNAME 1 + +/* Define if you have the getpwent function. */ +/* #undef HAVE_GETPWENT */ + +/* Define if you have the getpwnam function. */ +#define HAVE_GETPWNAM 1 + +/* Define if you have the getpwuid function. */ +#define HAVE_GETPWUID 1 + +/* Define if you have the getrlimit function. */ +#define HAVE_GETRLIMIT 1 + +/* Define if you have the getrusage function. */ +#define HAVE_GETRUSAGE 1 + +/* Define if you have the getservbyname function. */ +#define HAVE_GETSERVBYNAME 1 + +/* Define if you have the getservent function. */ +#define HAVE_GETSERVENT 1 + +/* Define if you have the gettimeofday function. */ +#define HAVE_GETTIMEOFDAY 1 + +/* Define if you have the getwd function. */ +/* #undef HAVE_GETWD */ + +/* Define if you have the iconv function. */ +/* #undef HAVE_ICONV */ + +/* Define if you have the inet_aton function. */ +#define HAVE_INET_ATON 1 + +/* Define if you have the isascii function. */ +#define HAVE_ISASCII 1 + +/* Define if you have the isblank function. */ +#define HAVE_ISBLANK 1 + +/* Define if you have the isgraph function. */ +#define HAVE_ISGRAPH 1 + +/* Define if you have the isinf function in libc */ +#define HAVE_ISINF_IN_LIBC 1 + +/* Define if you have the isnan function in libc */ +#define HAVE_ISNAN_IN_LIBC 1 + +/* Define if you have the isprint function. */ +#define HAVE_ISPRINT 1 + +/* Define if you have the isspace function. */ +#define HAVE_ISSPACE 1 + +/* Define if you have the iswctype function. */ +#define HAVE_ISWCTYPE 1 + +/* Define if you have the iswlower function. */ +#define HAVE_ISWLOWER 1 + +/* Define if you have the iswupper function. */ +#define HAVE_ISWUPPER 1 + +/* Define if you have the isxdigit function. */ +#define HAVE_ISXDIGIT 1 + +/* Define if you have the kill function. */ +#define HAVE_KILL 1 + +/* Define if you have the killpg function. */ +/* #undef HAVE_KILLPG */ + +/* Define if you have the lstat function. */ +#define HAVE_LSTAT 1 + +/* Define if you have the locale_charset function. */ +/* #undef HAVE_LOCALE_CHARSET */ + +/* Define if you have the mbrlen function. */ +#define HAVE_MBRLEN 1 + +/* Define if you have the mbrtowc function. */ +#define HAVE_MBRTOWC 1 + +/* Define if you have the mbscasecmp function. */ +/* #undef HAVE_MBSCASECMP */ + +/* Define if you have the mbschr function. */ +/* #undef HAVE_MBSCHR */ + +/* Define if you have the mbscmp function. */ +/* #undef HAVE_MBSCMP */ + +/* Define if you have the mbsrtowcs function. */ +#define HAVE_MBSRTOWCS 1 + +/* Define if you have the memmove function. */ +#define HAVE_MEMMOVE 1 + +/* Define if you have the memset function. */ +#define HAVE_MEMSET 1 + +/* Define if you have the mkfifo function. */ +#define HAVE_MKFIFO 1 + +/* Define if you have the pathconf function. */ +#define HAVE_PATHCONF 1 + +/* Define if you have the putenv function. */ +#define HAVE_PUTENV 1 + +/* Define if you have the raise function. */ +#define HAVE_RAISE 1 + +/* Define if you have the readlink function. */ +#define HAVE_READLINK 1 + +/* Define if you have the regcomp function. */ +#define HAVE_REGCOMP 1 + +/* Define if you have the regexec function. */ +#define HAVE_REGEXEC 1 + +/* Define if you have the rename function. */ +#define HAVE_RENAME 1 + +/* Define if you have the sbrk function. */ +#define HAVE_SBRK 1 + +/* Define if you have the select function. */ +#define HAVE_SELECT 1 + +/* Define if you have the setdtablesize function. */ +/* #undef HAVE_SETDTABLESIZE */ + +/* Define if you have the setenv function. */ +#define HAVE_SETENV 1 + +/* Define if you have the setitimer function. */ +#define HAVE_SETITIMER 1 + +/* Define if you have the setlinebuf function. */ +#define HAVE_SETLINEBUF 1 + +/* Define if you have the setlocale function. */ +#define HAVE_SETLOCALE 1 + +/* Define if you have the setostype function. */ +/* #undef HAVE_SETOSTYPE */ + +/* Define if you have the setregid function. */ +/* #undef HAVE_SETREGID */ +#define HAVE_DECL_SETREGID 1 + +/* Define if you have the setvbuf function. */ +#define HAVE_SETVBUF 1 + +/* Define if you have the siginterrupt function. */ +#define HAVE_SIGINTERRUPT 1 + +/* Define if you have the POSIX.1-style sigsetjmp function. */ +#define HAVE_POSIX_SIGSETJMP 1 + +/* Define if you have the snprintf function. */ +#define HAVE_SNPRINTF 1 + +/* Define if you have the strcasecmp function. */ +#define HAVE_STRCASECMP 1 + +/* Define if you have the strcasestr function. */ +#define HAVE_STRCASESTR 1 + +/* Define if you have the strchr function. */ +#define HAVE_STRCHR 1 + +/* Define if you have the strcoll function. */ +#define HAVE_STRCOLL 1 + +/* Define if you have the strerror function. */ +#define HAVE_STRERROR 1 + +/* Define if you have the strftime function. */ +#define HAVE_STRFTIME 1 + +/* Define if you have the strnlen function. */ +#define HAVE_STRNLEN 1 + +/* Define if you have the strpbrk function. */ +#define HAVE_STRPBRK 1 + +/* Define if you have the strstr function. */ +#define HAVE_STRSTR 1 + +/* Define if you have the strtod function. */ +#define HAVE_STRTOD 1 + +/* Define if you have the strtoimax function. */ +#define HAVE_STRTOIMAX 1 + +/* Define if you have the strtol function. */ +#define HAVE_STRTOL 1 + +/* Define if you have the strtoll function. */ +#define HAVE_STRTOLL 1 + +/* Define if you have the strtoul function. */ +#define HAVE_STRTOUL 1 + +/* Define if you have the strtoull function. */ +#define HAVE_STRTOULL 1 + +/* Define if you have the strtoumax function. */ +#define HAVE_STRTOUMAX 1 + +/* Define if you have the strsignal function or macro. */ +#define HAVE_STRSIGNAL 1 + +/* Define if you have the sysconf function. */ +#define HAVE_SYSCONF 1 + +/* Define if you have the syslog function. */ +#define HAVE_SYSLOG 1 + +/* Define if you have the tcgetattr function. */ +#define HAVE_TCGETATTR 1 + +/* Define if you have the tcgetpgrp function. */ +#define HAVE_TCGETPGRP 1 + +/* Define if you have the times function. */ +#define HAVE_TIMES 1 + +/* Define if you have the towlower function. */ +#define HAVE_TOWLOWER 1 + +/* Define if you have the towupper function. */ +#define HAVE_TOWUPPER 1 + +/* Define if you have the ttyname function. */ +#define HAVE_TTYNAME 1 + +/* Define if you have the tzset function. */ +#define HAVE_TZSET 1 + +/* Define if you have the ulimit function. */ +#define HAVE_ULIMIT 1 + +/* Define if you have the uname function. */ +#define HAVE_UNAME 1 + +/* Define if you have the unsetenv function. */ +#define HAVE_UNSETENV 1 + +/* Define if you have the vasprintf function. */ +#define HAVE_VASPRINTF 1 + +/* Define if you have the vprintf function. */ +#define HAVE_VPRINTF 1 + +/* Define if you have the vsnprintf function. */ +#define HAVE_VSNPRINTF 1 + +/* Define if you have the waitpid function. */ +#define HAVE_WAITPID 1 + +/* Define if you have the wait3 function. */ +#define HAVE_WAIT3 1 + +/* Define if you have the wcrtomb function. */ +#define HAVE_WCRTOMB 1 + +/* Define if you have the wcscoll function. */ +#define HAVE_WCSCOLL 1 + +/* Define if you have the wcsdup function. */ +#define HAVE_WCSDUP 1 + +/* Define if you have the wctype function. */ +#define HAVE_WCTYPE 1 + +/* Define if you have the wcwidth function. */ +#define HAVE_WCWIDTH 1 + +/* Presence of certain system include files. */ + +/* Define if you have the <arpa/inet.h> header file. */ +#define HAVE_ARPA_INET_H 1 + +/* Define if you have the <dirent.h> header file. */ +#define HAVE_DIRENT_H 1 + +/* Define if you have the <dlfcn.h> header file. */ +#define HAVE_DLFCN_H 1 + +/* Define if you have the <grp.h> header file. */ +#define HAVE_GRP_H 1 + +/* Define if you have the <inttypes.h> header file. */ +#define HAVE_INTTYPES_H 1 + +/* Define if you have the <langinfo.h> header file. */ +#define HAVE_LANGINFO_H 1 + +/* Define if you have the <libintl.h> header file. */ +/* #undef HAVE_LIBINTL_H */ + +/* Define if you have the <limits.h> header file. */ +#define HAVE_LIMITS_H 1 + +/* Define if you have the <locale.h> header file. */ +#define HAVE_LOCALE_H 1 + +/* Define if you have the <ndir.h> header file. */ +/* #undef HAVE_NDIR_H */ + +/* Define if you have the <netdh.h> header file. */ +#define HAVE_NETDB_H 1 + +/* Define if you have the <netinet/in.h> header file. */ +#define HAVE_NETINET_IN_H 1 + +/* Define if you have the <pwd.h> header file. */ +#define HAVE_PWD_H 1 + +/* Define if you have the <regex.h> header file. */ +#define HAVE_REGEX_H 1 + +/* Define if you have the <stdlib.h> header file. */ +#define HAVE_STDLIB_H 1 + +/* Define if you have the <stdarg.h> header file. */ +#define HAVE_STDARG_H 1 + +/* Define if you have the <string.h> header file. */ +#define HAVE_STRING_H 1 + +/* Define if you have the <strings.h> header file. */ +#define HAVE_STRINGS_H 1 + +/* Define if you have the <memory.h> header file. */ +#define HAVE_MEMORY_H 1 + +/* Define if you have the <stddef.h> header file. */ +#define HAVE_STDDEF_H 1 + +/* Define if you have the <stdint.h> header file. */ +#define HAVE_STDINT_H 1 + +/* Define if you have the <syslog.h> header file. */ +#define HAVE_SYSLOG_H 1 + +/* Define if you have the <sys/dir.h> header file. */ +/* #undef HAVE_SYS_DIR_H */ + +/* Define if you have the <sys/file.h> header file. */ +#define HAVE_SYS_FILE_H 1 + +/* Define if you have the <sys/ndir.h> header file. */ +/* #undef HAVE_SYS_NDIR_H */ + +/* Define if you have the <sys/param.h> header file. */ +#define HAVE_SYS_PARAM_H 1 + +/* Define if you have the <sys/pte.h> header file. */ +/* #undef HAVE_SYS_PTE_H */ + +/* Define if you have the <sys/ptem.h> header file. */ +/* #undef HAVE_SYS_PTEM_H */ + +/* Define if you have the <sys/resource.h> header file. */ +#define HAVE_SYS_RESOURCE_H 1 + +/* Define if you have the <sys/select.h> header file. */ +#define HAVE_SYS_SELECT_H 1 + +/* Define if you have the <sys/socket.h> header file. */ +#define HAVE_SYS_SOCKET_H 1 + +/* Define if you have the <sys/stat.h> header file. */ +#define HAVE_SYS_STAT_H 1 + +/* Define if you have the <sys/stream.h> header file. */ +/* #undef HAVE_SYS_STREAM_H */ + +/* Define if you have <sys/time.h> */ +#define HAVE_SYS_TIME_H 1 + +#define TIME_WITH_SYS_TIME 1 + +/* Define if you have <sys/times.h> */ +#define HAVE_SYS_TIMES_H 1 + +/* Define if you have the <sys/types.h> header file. */ +#define HAVE_SYS_TYPES_H 1 + +/* Define if you have <sys/wait.h> that is POSIX.1 compatible. */ +#define HAVE_SYS_WAIT_H 1 + +/* Define if you have the <termcap.h> header file. */ +/* #undef HAVE_TERMCAP_H */ + +/* Define if you have the <termio.h> header file. */ +#ifndef HAVE_TERMIO_H +#define HAVE_TERMIO_H 1 +#endif + +/* Define if you have the <termios.h> header file. */ +#define HAVE_TERMIOS_H 1 + +/* Define if you have the <unistd.h> header file. */ +#define HAVE_UNISTD_H 1 + +/* Define if you have the <varargs.h> header file. */ +/* #undef HAVE_VARARGS_H */ + +/* Define if you have the <wchar.h> header file. */ +#define HAVE_WCHAR_H 1 + +/* Define if you have the <varargs.h> header file. */ +#define HAVE_WCTYPE_H 1 + +/* Presence of certain system libraries. */ + +/* #undef HAVE_LIBDL */ + +/* #undef HAVE_LIBSUN */ + +/* #undef HAVE_LIBSOCKET */ + + +/* Define if on MINIX. */ +/* #undef _MINIX */ + +/* Are we running SVR5 (UnixWare 7)? */ +/* #undef SVR5 */ + +/* Are we running SVR4.2? */ +/* #undef SVR4_2 */ + +/* Are we running some version of SVR4? */ +/* #undef SVR4 */ + +/* Define if job control is unusable or unsupported. */ +/* #undef JOB_CONTROL_MISSING */ + +/* Do we need to define _KERNEL to get the RLIMIT_* defines from + <sys/resource.h>? */ +/* #undef RLIMIT_NEEDS_KERNEL */ + +/* Number of bits in a file offset, on hosts where this is settable. */ +/* #undef _FILE_OFFSET_BITS */ + +/* Define for large files on AIX-style hosts. */ +/* #undef _LARGE_FILES */ + +/* Do strcoll(3) and strcmp(3) give different results in the default locale? */ +/* #undef STRCOLL_BROKEN */ + +/* #undef DUP2_BROKEN */ + +/* #undef GETCWD_BROKEN */ + +/* Additional defines for configuring lib/intl, maintained by autoscan/autoheader */ + +/* Define if you have the <argz.h> header file. */ +#define HAVE_ARGZ_H 1 + +/* Define if you have the <errno.h> header file. */ +#define HAVE_ERRNO_H 1 + +/* Define if you have the <fcntl.h> header file. */ +#define HAVE_FCNTL_H 1 + +/* Define if you have the <malloc.h> header file. */ +#ifndef HAVE_MALLOC_H +#define HAVE_MALLOC_H 1 +#endif + +/* Define if you have the <stdio_ext.h> header file. */ +#define HAVE_STDIO_EXT_H 1 + +/* Define if you have the `dcgettext' function. */ +#define HAVE_DCGETTEXT 1 + +/* Define if you have the `localeconv' function. */ +#define HAVE_LOCALECONV 1 + +/* Define if your system has a working `malloc' function. */ +/* #undef HAVE_MALLOC */ + +/* Define if you have the `mempcpy' function. */ +#define HAVE_MEMPCPY 1 + +/* Define if you have a working `mmap' system call. */ +#define HAVE_MMAP 1 + +/* Define if you have the `munmap' function. */ +#define HAVE_MUNMAP 1 + +/* Define if you have the `nl_langinfo' function. */ +/* #undef HAVE_NL_LANGINFO */ + +/* Define if you have the `stpcpy' function. */ +#define HAVE_STPCPY 1 + +/* Define if you have the `strcspn' function. */ +#define HAVE_STRCSPN 1 + +/* Define if you have the `strdup' function. */ +#define HAVE_STRDUP 1 + +/* Define if you have the `__argz_count' function. */ +#define HAVE___ARGZ_COUNT 1 + +/* Define if you have the `__argz_next' function. */ +#define HAVE___ARGZ_NEXT 1 + +/* Define if you have the `__argz_stringify' function. */ +#define HAVE___ARGZ_STRINGIFY 1 + +/* End additions for lib/intl */ + +#include "config-bot.h" + +#endif /* _CONFIG_H_ */ diff --git a/lib/Android.mk b/lib/Android.mk new file mode 100644 index 0000000..cfd03be --- /dev/null +++ b/lib/Android.mk @@ -0,0 +1,2 @@ +LOCAL_PATH:= $(call my-dir) +include $(call all-makefiles-under,$(LOCAL_PATH)) diff --git a/lib/glob/Android.mk b/lib/glob/Android.mk new file mode 100644 index 0000000..8f67c5a --- /dev/null +++ b/lib/glob/Android.mk @@ -0,0 +1,27 @@ +LOCAL_PATH:= $(call my-dir) + +# ======================================================== +# libglob.a +# ======================================================== +include $(CLEAR_VARS) + +LOCAL_SRC_FILES:= \ + glob.c \ + smatch.c \ + strmatch.c \ + xmbsrtowcs.c + +LOCAL_C_INCLUDES += \ + $(LOCAL_PATH)/../.. \ + $(LOCAL_PATH)/../../include \ + $(LOCAL_PATH)/../../lib + +LOCAL_CFLAGS += \ + -DHAVE_CONFIG_H + +LOCAL_MODULE := libglob + +include $(BUILD_STATIC_LIBRARY) + +# ======================================================== +include $(call all-makefiles-under,$(LOCAL_PATH)) diff --git a/lib/readline/Android.mk b/lib/readline/Android.mk new file mode 100644 index 0000000..853ee21 --- /dev/null +++ b/lib/readline/Android.mk @@ -0,0 +1,82 @@ +LOCAL_PATH:= $(call my-dir) + +# ======================================================== +# libhistory.a +# ======================================================== +include $(CLEAR_VARS) + +LOCAL_SRC_FILES:= \ + history.c \ + histexpand.c \ + histfile.c \ + histsearch.c \ + shell.c \ + savestring.c \ + mbutil.c \ + xmalloc.c + +LOCAL_C_INCLUDES += \ + $(LOCAL_PATH)/../.. \ + $(LOCAL_PATH)/../../include \ + $(LOCAL_PATH)/../../lib + +LOCAL_CFLAGS += \ + -DHAVE_CONFIG_H + +LOCAL_MODULE := libhistory + +include $(BUILD_STATIC_LIBRARY) + +# ======================================================== +# libreadline.a +# ======================================================== +include $(CLEAR_VARS) + +LOCAL_SRC_FILES:= \ + readline.c \ + vi_mode.c \ + funmap.c \ + keymaps.c \ + parens.c \ + search.c \ + rltty.c \ + complete.c \ + bind.c \ + isearch.c \ + display.c \ + signals.c \ + util.c \ + kill.c \ + undo.c \ + macro.c \ + input.c \ + callback.c \ + terminal.c \ + text.c \ + nls.c \ + misc.c \ + history.c \ + histexpand.c \ + histfile.c \ + histsearch.c \ + shell.c \ + savestring.c \ + mbutil.c \ + tilde.c \ + xmalloc.c \ + compat.c + +LOCAL_C_INCLUDES += \ + $(LOCAL_PATH)/../.. \ + $(LOCAL_PATH)/../../include \ + $(LOCAL_PATH)/../../lib + +LOCAL_CFLAGS += \ + -DHAVE_CONFIG_H + +LOCAL_MODULE := libreadline + +include $(BUILD_STATIC_LIBRARY) + +# ======================================================== +include $(call all-makefiles-under,$(LOCAL_PATH)) diff --git a/lib/readline/complete.c b/lib/readline/complete.c index bda2204..38249d2 100644 --- a/lib/readline/complete.c +++ b/lib/readline/complete.c @@ -1970,7 +1970,7 @@ rl_username_completion_function (text, state) username = savestring (&text[first_char_loc]); namelen = strlen (username); - setpwent (); +// setpwent (); } #if defined (HAVE_GETPWENT) diff --git a/lib/sh/Android.mk b/lib/sh/Android.mk new file mode 100644 index 0000000..3a6d894 --- /dev/null +++ b/lib/sh/Android.mk @@ -0,0 +1,34 @@ +LOCAL_PATH:= $(call my-dir) + +# ======================================================== +# libsh.a +# ======================================================== +include $(CLEAR_VARS) + +LOCAL_SRC_FILES:= \ + clktck.c clock.c getenv.c oslib.c setlinebuf.c strnlen.c \ + itos.c zread.c zwrite.c shtty.c shmatch.c eaccess.c \ + netconn.c netopen.c timeval.c makepath.c pathcanon.c \ + pathphys.c tmpfile.c stringlist.c stringvec.c spell.c shquote.c \ + strtrans.c snprintf.c mailstat.c fmtulong.c \ + fmtullong.c fmtumax.c zcatfd.c zmapfd.c winsize.c wcsdup.c \ + fpurge.c zgetline.c mbscmp.c uconvert.c ufuncs.c casemod.c \ + fdprintf.c input_avail.c mbscasecmp.c fnxform.c fdprintf.c \ + mbschr.c + +LOCAL_C_INCLUDES += \ + $(LOCAL_PATH)/../.. \ + $(LOCAL_PATH)/../../include \ + $(LOCAL_PATH)/../../lib \ + external/clearsilver \ + external/clearsilver/util/regex + +LOCAL_CFLAGS += \ + -DHAVE_CONFIG_H + +LOCAL_MODULE := libsh + +include $(BUILD_STATIC_LIBRARY) + +# ======================================================== +include $(call all-makefiles-under,$(LOCAL_PATH)) diff --git a/lib/tilde/Android.mk b/lib/tilde/Android.mk new file mode 100644 index 0000000..ba03d8b --- /dev/null +++ b/lib/tilde/Android.mk @@ -0,0 +1,24 @@ +LOCAL_PATH:= $(call my-dir) + +# ======================================================== +# libtilde.a +# ======================================================== +include $(CLEAR_VARS) + +LOCAL_SRC_FILES:= \ + tilde.c + +LOCAL_C_INCLUDES += \ + $(LOCAL_PATH)/../.. \ + $(LOCAL_PATH)/../../include \ + $(LOCAL_PATH)/../../lib + +LOCAL_CFLAGS += \ + -DHAVE_CONFIG_H + +LOCAL_MODULE := libtilde + +include $(BUILD_STATIC_LIBRARY) + +# ======================================================== +include $(call all-makefiles-under,$(LOCAL_PATH)) diff --git a/pathnames.h b/pathnames.h new file mode 100644 index 0000000..e7da15e --- /dev/null +++ b/pathnames.h @@ -0,0 +1,33 @@ +/* pathnames.h -- absolute filenames that bash wants for various defaults. */ + +/* Copyright (C) 1987-2009 Free Software Foundation, Inc. + + This file is part of GNU Bash, the Bourne Again SHell. + + Bash is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + Bash is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with Bash. If not, see <http://www.gnu.org/licenses/>. +*/ + +#if !defined (_PATHNAMES_H_) +#define _PATHNAMES_H_ + +/* The default file for hostname completion. */ +#define DEFAULT_HOSTS_FILE "/system/etc/hosts" + +/* The default login shell startup file. */ +#define SYS_PROFILE "/system/etc/.bash_profile" + +/* The default location of the bash debugger initialization/startup file. */ +#define DEBUGGER_START_FILE "" + +#endif /* _PATHNAMES_H */ diff --git a/signames.h b/signames.h new file mode 100644 index 0000000..9f9eb21 --- /dev/null +++ b/signames.h @@ -0,0 +1,78 @@ +/* This file was automatically created by ./mksignames. + Do not edit. Edit support/mksignames.c instead. */ + +/* A translation list so we can be polite to our users. */ +char *signal_names[NSIG + 4] = { + "EXIT", + "SIGHUP", + "SIGINT", + "SIGQUIT", + "SIGILL", + "SIGTRAP", + "SIGABRT", + "SIGBUS", + "SIGFPE", + "SIGKILL", + "SIGUSR1", + "SIGSEGV", + "SIGUSR2", + "SIGPIPE", + "SIGALRM", + "SIGTERM", + "SIGSTKFLT", + "SIGCHLD", + "SIGCONT", + "SIGSTOP", + "SIGTSTP", + "SIGTTIN", + "SIGTTOU", + "SIGURG", + "SIGXCPU", + "SIGXFSZ", + "SIGVTALRM", + "SIGPROF", + "SIGWINCH", + "SIGIO", + "SIGPWR", + "SIGSYS", + "SIGJUNK(32)", + "SIGJUNK(33)", + "SIGRTMIN", + "SIGRTMIN+1", + "SIGRTMIN+2", + "SIGRTMIN+3", + "SIGRTMIN+4", + "SIGRTMIN+5", + "SIGRTMIN+6", + "SIGRTMIN+7", + "SIGRTMIN+8", + "SIGRTMIN+9", + "SIGRTMIN+10", + "SIGRTMIN+11", + "SIGRTMIN+12", + "SIGRTMIN+13", + "SIGRTMIN+14", + "SIGRTMIN+15", + "SIGRTMAX-14", + "SIGRTMAX-13", + "SIGRTMAX-12", + "SIGRTMAX-11", + "SIGRTMAX-10", + "SIGRTMAX-9", + "SIGRTMAX-8", + "SIGRTMAX-7", + "SIGRTMAX-6", + "SIGRTMAX-5", + "SIGRTMAX-4", + "SIGRTMAX-3", + "SIGRTMAX-2", + "SIGRTMAX-1", + "SIGRTMAX", + "DEBUG", + "ERR", + "RETURN", + (char *)0x0 +}; + +#define initialize_signames() + @@ -3137,6 +3137,7 @@ call_expand_word_internal (w, q, i, c, e) last_command_exit_value = EXECUTION_FAILURE; exp_jump_to_top_level ((result == &expand_word_error) ? DISCARD : FORCE_EOF); /* NOTREACHED */ + return (NULL); } else return (result); diff --git a/syntax.c b/syntax.c new file mode 100644 index 0000000..c14e068 --- /dev/null +++ b/syntax.c @@ -0,0 +1,269 @@ +/* + * This file was generated by mksyntax. DO NOT EDIT. + */ + + +#include "config.h" +#include "stdc.h" +#include "syntax.h" + + +int sh_syntabsiz = 256; +int sh_syntaxtab[256] = { + CWORD, /* 0 */ + CSPECL, /* CTLESC */ + CWORD, /* 2 */ + CWORD, /* 3 */ + CWORD, /* 4 */ + CWORD, /* 5 */ + CWORD, /* 6 */ + CWORD, /* \a */ + CWORD, /* \b */ + CSHBRK|CBLANK, /* \t */ + CSHBRK|CBSDQUOTE, /* \n */ + CWORD, /* \v */ + CWORD, /* \f */ + CWORD, /* \r */ + CWORD, /* 14 */ + CWORD, /* 15 */ + CWORD, /* 16 */ + CWORD, /* 17 */ + CWORD, /* 18 */ + CWORD, /* 19 */ + CWORD, /* 20 */ + CWORD, /* 21 */ + CWORD, /* 22 */ + CWORD, /* 23 */ + CWORD, /* 24 */ + CWORD, /* 25 */ + CWORD, /* 26 */ + CWORD, /* ESC */ + CWORD, /* 28 */ + CWORD, /* 29 */ + CWORD, /* 30 */ + CWORD, /* 31 */ + CSHBRK|CBLANK, /* SPC */ + CXGLOB|CSPECVAR, /* ! */ + CQUOTE|CBSDQUOTE|CXQUOTE, /* " */ + CSPECVAR, /* # */ + CEXP|CBSDQUOTE|CBSHDOC|CSPECVAR, /* $ */ + CWORD, /* % */ + CSHMETA|CSHBRK, /* & */ + CQUOTE|CXQUOTE, /* ' */ + CSHMETA|CSHBRK, /* ( */ + CSHMETA|CSHBRK, /* ) */ + CGLOB|CXGLOB|CSPECVAR, /* * */ + CXGLOB|CSUBSTOP, /* + */ + CWORD, /* , */ + CSPECVAR|CSUBSTOP, /* - */ + CWORD, /* . */ + CWORD, /* / */ + CWORD, /* 0 */ + CWORD, /* 1 */ + CWORD, /* 2 */ + CWORD, /* 3 */ + CWORD, /* 4 */ + CWORD, /* 5 */ + CWORD, /* 6 */ + CWORD, /* 7 */ + CWORD, /* 8 */ + CWORD, /* 9 */ + CWORD, /* : */ + CSHMETA|CSHBRK, /* ; */ + CSHMETA|CSHBRK|CEXP, /* < */ + CSUBSTOP, /* = */ + CSHMETA|CSHBRK|CEXP, /* > */ + CGLOB|CXGLOB|CSPECVAR|CSUBSTOP, /* ? */ + CXGLOB|CSPECVAR, /* @ */ + CWORD, /* A */ + CWORD, /* B */ + CWORD, /* C */ + CWORD, /* D */ + CWORD, /* E */ + CWORD, /* F */ + CWORD, /* G */ + CWORD, /* H */ + CWORD, /* I */ + CWORD, /* J */ + CWORD, /* K */ + CWORD, /* L */ + CWORD, /* M */ + CWORD, /* N */ + CWORD, /* O */ + CWORD, /* P */ + CWORD, /* Q */ + CWORD, /* R */ + CWORD, /* S */ + CWORD, /* T */ + CWORD, /* U */ + CWORD, /* V */ + CWORD, /* W */ + CWORD, /* X */ + CWORD, /* Y */ + CWORD, /* Z */ + CGLOB, /* [ */ + CBSDQUOTE|CBSHDOC|CXQUOTE, /* \ */ + CGLOB, /* ] */ + CGLOB, /* ^ */ + CWORD, /* _ */ + CBACKQ|CQUOTE|CBSDQUOTE|CBSHDOC|CXQUOTE, /* ` */ + CWORD, /* a */ + CWORD, /* b */ + CWORD, /* c */ + CWORD, /* d */ + CWORD, /* e */ + CWORD, /* f */ + CWORD, /* g */ + CWORD, /* h */ + CWORD, /* i */ + CWORD, /* j */ + CWORD, /* k */ + CWORD, /* l */ + CWORD, /* m */ + CWORD, /* n */ + CWORD, /* o */ + CWORD, /* p */ + CWORD, /* q */ + CWORD, /* r */ + CWORD, /* s */ + CWORD, /* t */ + CWORD, /* u */ + CWORD, /* v */ + CWORD, /* w */ + CWORD, /* x */ + CWORD, /* y */ + CWORD, /* z */ + CWORD, /* { */ + CSHMETA|CSHBRK, /* | */ + CWORD, /* } */ + CWORD, /* ~ */ + CSPECL, /* CTLNUL */ + CWORD, /* 128 */ + CWORD, /* 129 */ + CWORD, /* 130 */ + CWORD, /* 131 */ + CWORD, /* 132 */ + CWORD, /* 133 */ + CWORD, /* 134 */ + CWORD, /* 135 */ + CWORD, /* 136 */ + CWORD, /* 137 */ + CWORD, /* 138 */ + CWORD, /* 139 */ + CWORD, /* 140 */ + CWORD, /* 141 */ + CWORD, /* 142 */ + CWORD, /* 143 */ + CWORD, /* 144 */ + CWORD, /* 145 */ + CWORD, /* 146 */ + CWORD, /* 147 */ + CWORD, /* 148 */ + CWORD, /* 149 */ + CWORD, /* 150 */ + CWORD, /* 151 */ + CWORD, /* 152 */ + CWORD, /* 153 */ + CWORD, /* 154 */ + CWORD, /* 155 */ + CWORD, /* 156 */ + CWORD, /* 157 */ + CWORD, /* 158 */ + CWORD, /* 159 */ + CWORD, /* 160 */ + CWORD, /* 161 */ + CWORD, /* 162 */ + CWORD, /* 163 */ + CWORD, /* 164 */ + CWORD, /* 165 */ + CWORD, /* 166 */ + CWORD, /* 167 */ + CWORD, /* 168 */ + CWORD, /* 169 */ + CWORD, /* 170 */ + CWORD, /* 171 */ + CWORD, /* 172 */ + CWORD, /* 173 */ + CWORD, /* 174 */ + CWORD, /* 175 */ + CWORD, /* 176 */ + CWORD, /* 177 */ + CWORD, /* 178 */ + CWORD, /* 179 */ + CWORD, /* 180 */ + CWORD, /* 181 */ + CWORD, /* 182 */ + CWORD, /* 183 */ + CWORD, /* 184 */ + CWORD, /* 185 */ + CWORD, /* 186 */ + CWORD, /* 187 */ + CWORD, /* 188 */ + CWORD, /* 189 */ + CWORD, /* 190 */ + CWORD, /* 191 */ + CWORD, /* 192 */ + CWORD, /* 193 */ + CWORD, /* 194 */ + CWORD, /* 195 */ + CWORD, /* 196 */ + CWORD, /* 197 */ + CWORD, /* 198 */ + CWORD, /* 199 */ + CWORD, /* 200 */ + CWORD, /* 201 */ + CWORD, /* 202 */ + CWORD, /* 203 */ + CWORD, /* 204 */ + CWORD, /* 205 */ + CWORD, /* 206 */ + CWORD, /* 207 */ + CWORD, /* 208 */ + CWORD, /* 209 */ + CWORD, /* 210 */ + CWORD, /* 211 */ + CWORD, /* 212 */ + CWORD, /* 213 */ + CWORD, /* 214 */ + CWORD, /* 215 */ + CWORD, /* 216 */ + CWORD, /* 217 */ + CWORD, /* 218 */ + CWORD, /* 219 */ + CWORD, /* 220 */ + CWORD, /* 221 */ + CWORD, /* 222 */ + CWORD, /* 223 */ + CWORD, /* 224 */ + CWORD, /* 225 */ + CWORD, /* 226 */ + CWORD, /* 227 */ + CWORD, /* 228 */ + CWORD, /* 229 */ + CWORD, /* 230 */ + CWORD, /* 231 */ + CWORD, /* 232 */ + CWORD, /* 233 */ + CWORD, /* 234 */ + CWORD, /* 235 */ + CWORD, /* 236 */ + CWORD, /* 237 */ + CWORD, /* 238 */ + CWORD, /* 239 */ + CWORD, /* 240 */ + CWORD, /* 241 */ + CWORD, /* 242 */ + CWORD, /* 243 */ + CWORD, /* 244 */ + CWORD, /* 245 */ + CWORD, /* 246 */ + CWORD, /* 247 */ + CWORD, /* 248 */ + CWORD, /* 249 */ + CWORD, /* 250 */ + CWORD, /* 251 */ + CWORD, /* 252 */ + CWORD, /* 253 */ + CWORD, /* 254 */ + CWORD, /* 255 */ +}; diff --git a/version.h b/version.h new file mode 100644 index 0000000..dc89af6 --- /dev/null +++ b/version.h @@ -0,0 +1,17 @@ +/* Version control for the shell. This file gets changed when you say + `make version.h' to the Makefile. It is created by mkversion. */ + +/* The distribution version number of this shell. */ +#define DISTVERSION "4.1" + +/* The last built version of this shell. */ +#define BUILDVERSION 1 + +/* The release status of this shell. */ +#define RELSTATUS "release" + +/* The default shell compatibility-level (the current version) */ +#define DEFAULT_COMPAT_LEVEL 41 + +/* A version string for use by sccs and the what command. */ +#define SCCSVERSION "@(#)Bash version 4.1.7(1) release GNU" |