From a013d4e66d2545c04e2599aa2e4a4fc50468153d Mon Sep 17 00:00:00 2001 From: cvpcs Date: Thu, 3 Jun 2010 02:20:07 -0500 Subject: first successful build of bash-4.1 --- builtins/alias.c | 192 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 192 insertions(+) create mode 100644 builtins/alias.c (limited to 'builtins/alias.c') 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 + +#if defined (ALIAS) + +#if defined (HAVE_UNISTD_H) +# ifdef _MINIX +# include +# endif +# include +#endif + +# include "../bashansi.h" +# include "../bashintl.h" + +# include +# 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 */ -- cgit v1.1