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/* $NetBSD: options.h,v 1.17 2003/08/07 09:05:36 agc Exp $ */
/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Kenneth Almquist.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)options.h 8.2 (Berkeley) 5/4/95
*/
struct shparam {
int nparam; /* # of positional parameters (without $0) */
unsigned char malloc; /* if parameter list dynamically allocated */
unsigned char reset; /* if getopts has been reset */
char **p; /* parameter list */
char **optnext; /* next parameter to be processed by getopts */
char *optptr; /* used by getopts */
};
struct optent {
const char *name; /* for set -o <name> */
const char letter; /* set [+/-]<letter> and $- */
const char opt_set; /* mutually exclusive option set */
char val; /* value of <letter>flag */
};
/* Those marked [U] are required by posix, but have no effect! */
#ifdef DEFINE_OPTIONS
#define DEF_OPTS(name, letter, opt_set) {name, letter, opt_set, 0},
struct optent optlist[] = {
#else
#define DEF_OPTS(name, letter, opt_set)
#endif
#define DEF_OPT(name,letter) DEF_OPTS(name, letter, 0)
DEF_OPT( "errexit", 'e' ) /* exit on error */
#define eflag optlist[0].val
DEF_OPT( "noglob", 'f' ) /* no pathname expansion */
#define fflag optlist[1].val
DEF_OPT( "ignoreeof", 'I' ) /* do not exit on EOF */
#define Iflag optlist[2].val
DEF_OPT( "interactive",'i' ) /* interactive shell */
#define iflag optlist[3].val
DEF_OPT( "monitor", 'm' ) /* job control */
#define mflag optlist[4].val
DEF_OPT( "noexec", 'n' ) /* [U] do not exec commands */
#define nflag optlist[5].val
DEF_OPT( "stdin", 's' ) /* read from stdin */
#define sflag optlist[6].val
DEF_OPT( "xtrace", 'x' ) /* trace after expansion */
#define xflag optlist[7].val
DEF_OPT( "verbose", 'v' ) /* trace read input */
#define vflag optlist[8].val
DEF_OPTS( "vi", 'V', 'V' ) /* vi style editing */
#define Vflag optlist[9].val
DEF_OPTS( "emacs", 'E', 'V' ) /* emacs style editing */
#define Eflag optlist[10].val
DEF_OPT( "noclobber", 'C' ) /* do not overwrite files with > */
#define Cflag optlist[11].val
DEF_OPT( "allexport", 'a' ) /* export all variables */
#define aflag optlist[12].val
DEF_OPT( "notify", 'b' ) /* [U] report completion of background jobs */
#define bflag optlist[13].val
DEF_OPT( "nounset", 'u' ) /* error expansion of unset variables */
#define uflag optlist[14].val
DEF_OPT( "quietprofile", 'q' )
#define qflag optlist[15].val
DEF_OPT( "nolog", 0 ) /* [U] no functon defs in command history */
#define nolog optlist[16].val
DEF_OPT( "cdprint", 0 ) /* always print result of cd */
#define cdprint optlist[17].val
#ifdef DEBUG
DEF_OPT( "debug", 0 ) /* enable debug prints */
#define debug optlist[18].val
#endif
#ifdef DEFINE_OPTIONS
{ 0, 0, 0, 0 },
};
#define NOPTS (sizeof optlist / sizeof optlist[0] - 1)
int sizeof_optlist = sizeof optlist;
#else
extern struct optent optlist[];
extern int sizeof_optlist;
#endif
extern char *minusc; /* argument to -c option */
extern char *arg0; /* $0 */
extern struct shparam shellparam; /* $@ */
extern char **argptr; /* argument list for builtin commands */
extern char *optionarg; /* set by nextopt */
extern char *optptr; /* used by nextopt */
void procargs(int, char **);
void optschanged(void);
void setparam(char **);
void freeparam(volatile struct shparam *);
int shiftcmd(int, char **);
int setcmd(int, char **);
int getoptscmd(int, char **);
int nextopt(const char *);
void getoptsreset(const char *);
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