d90bee9749
/etc/profile enables by default tabcompletion, as well as emacs mode,
in order to keep the old MINIX ash behavior.
Note: The shell now refuses to source a script without a relative or
absolute path.
This means:
- '. myscript.sh' fails, while
- '. ./myscript.sh' succeeds
Change-Id: I0be89b0747bd005e4c05cadb937af86883627dc6
130 lines
4.9 KiB
C
130 lines
4.9 KiB
C
/* $NetBSD: options.h,v 1.20 2011/06/18 21:18:46 christos Exp $ */
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/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Kenneth Almquist.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)options.h 8.2 (Berkeley) 5/4/95
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*/
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struct shparam {
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int nparam; /* # of positional parameters (without $0) */
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unsigned char malloc; /* if parameter list dynamically allocated */
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unsigned char reset; /* if getopts has been reset */
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char **p; /* parameter list */
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char **optnext; /* next parameter to be processed by getopts */
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char *optptr; /* used by getopts */
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};
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struct optent {
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const char *name; /* for set -o <name> */
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const char letter; /* set [+/-]<letter> and $- */
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const char opt_set; /* mutually exclusive option set */
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unsigned char val; /* value of <letter>flag */
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};
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/* Those marked [U] are required by posix, but have no effect! */
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#ifdef DEFINE_OPTIONS
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#define DEF_OPTS(name, letter, opt_set) {name, letter, opt_set, 0},
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struct optent optlist[] = {
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#else
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#define DEF_OPTS(name, letter, opt_set)
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#endif
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#define DEF_OPT(name,letter) DEF_OPTS(name, letter, 0)
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DEF_OPT( "errexit", 'e' ) /* exit on error */
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#define eflag optlist[0].val
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DEF_OPT( "noglob", 'f' ) /* no pathname expansion */
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#define fflag optlist[1].val
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DEF_OPT( "ignoreeof", 'I' ) /* do not exit on EOF */
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#define Iflag optlist[2].val
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DEF_OPT( "interactive",'i' ) /* interactive shell */
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#define iflag optlist[3].val
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DEF_OPT( "monitor", 'm' ) /* job control */
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#define mflag optlist[4].val
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DEF_OPT( "noexec", 'n' ) /* [U] do not exec commands */
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#define nflag optlist[5].val
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DEF_OPT( "stdin", 's' ) /* read from stdin */
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#define sflag optlist[6].val
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DEF_OPT( "xtrace", 'x' ) /* trace after expansion */
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#define xflag optlist[7].val
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DEF_OPT( "verbose", 'v' ) /* trace read input */
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#define vflag optlist[8].val
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DEF_OPTS( "vi", 'V', 'V' ) /* vi style editing */
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#define Vflag optlist[9].val
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DEF_OPTS( "emacs", 'E', 'V' ) /* emacs style editing */
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#define Eflag optlist[10].val
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DEF_OPT( "noclobber", 'C' ) /* do not overwrite files with > */
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#define Cflag optlist[11].val
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DEF_OPT( "allexport", 'a' ) /* export all variables */
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#define aflag optlist[12].val
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DEF_OPT( "notify", 'b' ) /* [U] report completion of background jobs */
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#define bflag optlist[13].val
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DEF_OPT( "nounset", 'u' ) /* error expansion of unset variables */
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#define uflag optlist[14].val
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DEF_OPT( "quietprofile", 'q' )
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#define qflag optlist[15].val
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DEF_OPT( "nolog", 0 ) /* [U] no functon defs in command history */
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#define nolog optlist[16].val
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DEF_OPT( "cdprint", 0 ) /* always print result of cd */
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#define cdprint optlist[17].val
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DEF_OPT( "tabcomplete", 0 ) /* <tab> causes filename expansion */
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#define tabcomplete optlist[18].val
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#ifdef DEBUG
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DEF_OPT( "debug", 0 ) /* enable debug prints */
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#define debug optlist[19].val
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#endif
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#ifdef DEFINE_OPTIONS
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{ 0, 0, 0, 0 },
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};
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#define NOPTS (sizeof optlist / sizeof optlist[0] - 1)
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int sizeof_optlist = sizeof optlist;
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#else
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extern struct optent optlist[];
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extern int sizeof_optlist;
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#endif
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extern char *minusc; /* argument to -c option */
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extern char *arg0; /* $0 */
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extern struct shparam shellparam; /* $@ */
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extern char **argptr; /* argument list for builtin commands */
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extern char *optionarg; /* set by nextopt */
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extern char *optptr; /* used by nextopt */
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void procargs(int, char **);
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void optschanged(void);
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void setparam(char **);
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void freeparam(volatile struct shparam *);
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int nextopt(const char *);
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void getoptsreset(const char *);
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