/* $NetBSD: options.h,v 1.18 2005/05/07 19:52:17 dsl 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 */ const char letter; /* set [+/-] and $- */ const char opt_set; /* mutually exclusive option set */ char val; /* value of flag */ }; /* Those marked [U] are required by posix, but have no effect! */ #ifdef DEBUG # define NOPTS 21 #else # define NOPTS 20 #endif #ifdef DEFINE_OPTIONS #define DEF_OPTS(name, letter, opt_set) {name, letter, opt_set, 0}, const struct optent ro_optlist[NOPTS] = { #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 DEF_OPT( "tabcomplete", 0 ) /* causes filename expansion */ #define tabcomplete optlist[18].val #ifdef DEBUG DEF_OPT( "debug", 0 ) /* enable debug prints */ #define debug optlist[19].val #endif #ifdef DEFINE_OPTIONS { 0, 0, 0, 0 }, }; #else extern const struct optent ro_optlist[]; #endif #define sizeof_optlist (NOPTS * sizeof(struct optent)) /*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(struct shinstance *, int, char **); void optschanged(struct shinstance *); void setparam(struct shinstance *, char **); void freeparam(volatile struct shparam *); int shiftcmd(struct shinstance *, int, char **); int setcmd(struct shinstance *, int, char **); int getoptscmd(struct shinstance *, int, char **); int nextopt(struct shinstance *, const char *); void getoptsreset(struct shinstance *, const char *);