diff options
Diffstat (limited to 'sh/options.h')
| -rw-r--r-- | sh/options.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/sh/options.h b/sh/options.h new file mode 100644 index 000000000..4cc7dbec4 --- /dev/null +++ b/sh/options.h @@ -0,0 +1,131 @@ +/* $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 *); |