forked from Mirrors/openclonk
Update shipped getopt version to include the new optional_argument option
Sven Eberhardt
parent
45718ee44d
commit
64cfe42827
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@ -1,3 +1,5 @@
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/* $NetBSD: getopt.c,v 1.16 1999/12/02 13:15:56 kleink Exp $ */
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/*
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* Copyright (c) 1987, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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@ -6,133 +8,145 @@
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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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* 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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* 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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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
|
||||
* 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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* 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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#if defined(LIBC_SCCS) && !defined(lint)
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#if 0
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static char sccsid[] = "@(#)getopt.c 8.3 (Berkeley) 4/27/95";
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#endif /* LIBC_SCCS and not lint */
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#endif
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#include <getopt.h>
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#include <string.h>
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#include <assert.h>
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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/*
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* On some versions of Solaris, opterr and friends are defined in core libc
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* rather than in a separate getopt module. Define these variables only
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* if configure found they aren't there by default. (We assume that testing
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* opterr is sufficient for all of these except optreset.)
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*/
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#ifndef HAVE_INT_OPTERR
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#define __P(x) x
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#define _DIAGASSERT(x) assert(x)
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int opterr = 1, /* if error message should be printed */
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optind = 1, /* index into parent argv vector */
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optopt; /* character checked for validity */
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char *optarg; /* argument associated with option */
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#else
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extern int opterr;
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extern int optind;
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extern int optopt;
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extern char *optarg;
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#ifdef __weak_alias
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__weak_alias(getopt,_getopt);
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#endif
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#ifndef HAVE_INT_OPTRESET
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int optreset; /* reset getopt */
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#else
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extern int optreset;
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#endif
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#define BADCH (int)'?'
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#define BADARG (int)':'
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#define EMSG ""
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int opterr = 1, /* if error message should be printed */
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optind = 1, /* index into parent argv vector */
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optopt, /* character checked for validity */
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optreset; /* reset getopt */
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char *optarg; /* argument associated with option */
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static char * _progname __P((char *));
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int getopt_internal __P((int, char * const *, const char *));
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static char *
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_progname(nargv0)
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char * nargv0;
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{
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char * tmp;
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_DIAGASSERT(nargv0 != NULL);
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tmp = strrchr(nargv0, '/');
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if (tmp)
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tmp++;
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else
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tmp = nargv0;
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return(tmp);
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}
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#define BADCH (int)'?'
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#define BADARG (int)':'
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#define EMSG ""
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/*
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* getopt
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* getopt --
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* Parse argc/argv argument vector.
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*/
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int
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getopt(nargc, nargv, ostr)
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int nargc;
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char *const * nargv;
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const char *ostr;
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int nargc;
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char * const nargv[];
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const char *ostr;
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{
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static char *place = EMSG; /* option letter processing */
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char *oli; /* option letter list index */
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static char *__progname = 0;
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static char *place = EMSG; /* option letter processing */
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char *oli; /* option letter list index */
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__progname = __progname?__progname:_progname(*nargv);
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if (optreset || !*place)
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{ /* update scanning pointer */
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_DIAGASSERT(nargv != NULL);
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_DIAGASSERT(ostr != NULL);
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if (optreset || !*place) { /* update scanning pointer */
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optreset = 0;
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if (optind >= nargc || *(place = nargv[optind]) != '-')
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{
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if (optind >= nargc || *(place = nargv[optind]) != '-') {
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place = EMSG;
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return -1;
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return (-1);
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}
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if (place[1] && *++place == '-' && place[1] == '\0')
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{ /* found "--" */
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if (place[1] && *++place == '-' /* found "--" */
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&& place[1] == '\0') {
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++optind;
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place = EMSG;
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return -1;
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return (-1);
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}
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} /* option letter okay? */
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if ((optopt = (int) *place++) == (int) ':' ||
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!(oli = strchr(ostr, optopt)))
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{
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} /* option letter okay? */
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if ((optopt = (int)*place++) == (int)':' ||
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!(oli = strchr(ostr, optopt))) {
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/*
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* if the user didn't specify '-' as an option, assume it means -1.
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* if the user didn't specify '-' as an option,
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* assume it means -1.
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*/
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if (optopt == (int) '-')
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return -1;
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if (optopt == (int)'-')
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return (-1);
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if (!*place)
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++optind;
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if (opterr && *ostr != ':')
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(void) fprintf(stderr,
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"illegal option -- %c\n", optopt);
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return BADCH;
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(void)fprintf(stderr,
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"%s: illegal option -- %c\n", __progname, optopt);
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return (BADCH);
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}
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if (*++oli != ':')
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{ /* don't need argument */
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if (*++oli != ':') { /* don't need argument */
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optarg = NULL;
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if (!*place)
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++optind;
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}
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else
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{ /* need an argument */
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if (*place) /* no white space */
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else { /* need an argument */
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if (*place) /* no white space */
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optarg = place;
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else if (nargc <= ++optind)
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{ /* no arg */
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else if (nargc <= ++optind) { /* no arg */
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place = EMSG;
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if (*ostr == ':')
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return BADARG;
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return (BADARG);
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if (opterr)
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(void) fprintf(stderr,
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"option requires an argument -- %c\n",
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optopt);
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return BADCH;
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(void)fprintf(stderr,
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"%s: option requires an argument -- %c\n",
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__progname, optopt);
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return (BADCH);
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}
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else
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/* white space */
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else /* white space */
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optarg = nargv[optind];
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place = EMSG;
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++optind;
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}
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return optopt; /* dump back option letter */
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return (optopt); /* dump back option letter */
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}
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@ -1,49 +1,33 @@
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/*
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* Portions Copyright (c) 1987, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Portions Copyright (c) 2003-2010, PostgreSQL Global Development Group
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*/
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#ifndef GETOPT_H
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#define GETOPT_H
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#ifndef __GETOPT_H__
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#define __GETOPT_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern int getopt(int argc, char * const argv[],
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const char *optstring);
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/* These are picked up from the system's getopt() facility. */
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extern int opterr;
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extern int optind;
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extern int optopt;
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extern char *optarg;
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extern int optreset;
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#ifndef HAVE_STRUCT_OPTION
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extern int opterr; /* if error message should be printed */
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extern int optind; /* index into parent argv vector */
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extern int optopt; /* character checked for validity */
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extern int optreset; /* reset getopt */
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extern char *optarg; /* argument associated with option */
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struct option
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{
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const char *name;
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int has_arg;
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int *flag;
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int val;
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const char *name;
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int has_arg;
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int *flag;
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int val;
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};
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#define no_argument 0
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#define no_argument 0
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#define required_argument 1
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#endif
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#define optional_argument 2
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#ifndef HAVE_GETOPT_LONG
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extern int getopt_long(int argc, char *const argv[],
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const char *optstring,
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const struct option * longopts, int *longindex);
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#endif
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int getopt(int, char**, char*);
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int getopt_long(int, char**, const char*, struct option*, int*);
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#ifdef __cplusplus
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}
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#endif
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#endif /* GETOPT_H */
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#endif /* __GETOPT_H__ */
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@ -1,28 +1,27 @@
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/*
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* getopt_long() -- long options parser
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*
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* Portions Copyright (c) 1987, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Portions Copyright (c) 2003
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* PostgreSQL Global Development Group
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* Copyright (c) 1987, 1993, 1994, 1996
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* The Regents of the University of California. All rights reserved.
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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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* 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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* 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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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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* 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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@ -31,168 +30,207 @@
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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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#include <assert.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "getopt.h"
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#ifndef HAVE_INT_OPTRESET
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int optreset;
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extern int opterr; /* if error message should be printed */
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extern int optind; /* index into parent argv vector */
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extern int optopt; /* character checked for validity */
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extern int optreset; /* reset getopt */
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extern char *optarg; /* argument associated with option */
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/* else the "extern" was provided by getopt_long.h */
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#endif
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#define __P(x) x
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#define _DIAGASSERT(x) assert(x)
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#define BADCH '?'
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#define BADARG ':'
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#define EMSG ""
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static char * __progname __P((char *));
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int getopt_internal __P((int, char * const *, const char *));
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#include <string.h>
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#include <stdio.h>
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int
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getopt_long(int argc, char *const argv[],
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const char *optstring,
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const struct option * longopts, int *longindex)
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static char *
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__progname(nargv0)
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char * nargv0;
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{
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static char *place = EMSG; /* option letter processing */
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char *oli; /* option letter list index */
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char * tmp;
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if (optreset || !*place)
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{ /* update scanning pointer */
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_DIAGASSERT(nargv0 != NULL);
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tmp = strrchr(nargv0, '/');
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if (tmp)
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tmp++;
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else
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tmp = nargv0;
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return(tmp);
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}
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#define BADCH (int)'?'
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#define BADARG (int)':'
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#define EMSG ""
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/*
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* getopt --
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* Parse argc/argv argument vector.
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*/
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int
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getopt_internal(nargc, nargv, ostr)
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int nargc;
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char * const *nargv;
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const char *ostr;
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{
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static char *place = EMSG; /* option letter processing */
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char *oli; /* option letter list index */
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_DIAGASSERT(nargv != NULL);
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_DIAGASSERT(ostr != NULL);
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if (optreset || !*place) { /* update scanning pointer */
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optreset = 0;
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if (optind >= argc)
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{
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if (optind >= nargc || *(place = nargv[optind]) != '-') {
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place = EMSG;
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return -1;
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return (-1);
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}
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place = argv[optind];
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if (place[0] != '-')
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{
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if (place[1] && *++place == '-') { /* found "--" */
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/* ++optind; */
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place = EMSG;
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return -1;
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return (-2);
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}
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place++;
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if (place[0] && place[0] == '-' && place[1] == '\0')
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{ /* found "--" */
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++optind;
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place = EMSG;
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return -1;
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}
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if (place[0] && place[0] == '-' && place[1])
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{
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/* long option */
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size_t namelen;
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int i;
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place++;
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namelen = strcspn(place, "=");
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for (i = 0; longopts[i].name != NULL; i++)
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{
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if (strlen(longopts[i].name) == namelen
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&& strncmp(place, longopts[i].name, namelen) == 0)
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{
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if (longopts[i].has_arg)
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{
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if (place[namelen] == '=')
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optarg = place + namelen + 1;
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else if (optind < argc - 1)
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{
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optind++;
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optarg = argv[optind];
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}
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else
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{
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if (optstring[0] == ':')
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return BADARG;
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if (opterr)
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fprintf(stderr,
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"%s: option requires an argument -- %s\n",
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argv[0], place);
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place = EMSG;
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optind++;
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return BADCH;
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}
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}
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else
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{
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optarg = NULL;
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if (place[namelen] != 0)
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{
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/* XXX error? */
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}
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}
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optind++;
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if (longindex)
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*longindex = i;
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place = EMSG;
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if (longopts[i].flag == NULL)
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return longopts[i].val;
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else
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{
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*longopts[i].flag = longopts[i].val;
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return 0;
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}
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}
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}
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if (opterr && optstring[0] != ':')
|
||||
fprintf(stderr,
|
||||
"%s: illegal option -- %s\n", argv[0], place);
|
||||
place = EMSG;
|
||||
optind++;
|
||||
return BADCH;
|
||||
}
|
||||
}
|
||||
|
||||
/* short option */
|
||||
optopt = (int) *place++;
|
||||
|
||||
oli = strchr(optstring, optopt);
|
||||
if (!oli)
|
||||
{
|
||||
} /* option letter okay? */
|
||||
if ((optopt = (int)*place++) == (int)':' ||
|
||||
!(oli = strchr(ostr, optopt))) {
|
||||
/*
|
||||
* if the user didn't specify '-' as an option,
|
||||
* assume it means -1.
|
||||
*/
|
||||
if (optopt == (int)'-')
|
||||
return (-1);
|
||||
if (!*place)
|
||||
++optind;
|
||||
if (opterr && *optstring != ':')
|
||||
fprintf(stderr,
|
||||
"%s: illegal option -- %c\n", argv[0], optopt);
|
||||
return BADCH;
|
||||
if (opterr && *ostr != ':')
|
||||
(void)fprintf(stderr,
|
||||
"%s: illegal option -- %c\n", __progname(nargv[0]), optopt);
|
||||
return (BADCH);
|
||||
}
|
||||
|
||||
if (oli[1] != ':')
|
||||
{ /* don't need argument */
|
||||
if (*++oli != ':') { /* don't need argument */
|
||||
optarg = NULL;
|
||||
if (!*place)
|
||||
++optind;
|
||||
}
|
||||
else
|
||||
{ /* need an argument */
|
||||
if (*place) /* no white space */
|
||||
} else { /* need an argument */
|
||||
if (*place) /* no white space */
|
||||
optarg = place;
|
||||
else if (argc <= ++optind)
|
||||
{ /* no arg */
|
||||
else if (nargc <= ++optind) { /* no arg */
|
||||
place = EMSG;
|
||||
if (*optstring == ':')
|
||||
return BADARG;
|
||||
if (opterr)
|
||||
fprintf(stderr,
|
||||
"%s: option requires an argument -- %c\n",
|
||||
argv[0], optopt);
|
||||
return BADCH;
|
||||
}
|
||||
else
|
||||
/* white space */
|
||||
optarg = argv[optind];
|
||||
if ((opterr) && (*ostr != ':'))
|
||||
(void)fprintf(stderr,
|
||||
"%s: option requires an argument -- %c\n",
|
||||
__progname(nargv[0]), optopt);
|
||||
return (BADARG);
|
||||
} else /* white space */
|
||||
optarg = nargv[optind];
|
||||
place = EMSG;
|
||||
++optind;
|
||||
}
|
||||
return optopt;
|
||||
return (optopt); /* dump back option letter */
|
||||
}
|
||||
|
||||
#if 0
|
||||
/*
|
||||
* getopt --
|
||||
* Parse argc/argv argument vector.
|
||||
*/
|
||||
int
|
||||
getopt2(nargc, nargv, ostr)
|
||||
int nargc;
|
||||
char * const *nargv;
|
||||
const char *ostr;
|
||||
{
|
||||
int retval;
|
||||
|
||||
if ((retval = getopt_internal(nargc, nargv, ostr)) == -2) {
|
||||
retval = -1;
|
||||
++optind;
|
||||
}
|
||||
return(retval);
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
* getopt_long --
|
||||
* Parse argc/argv argument vector.
|
||||
*/
|
||||
int
|
||||
getopt_long(nargc, nargv, options, long_options, index)
|
||||
int nargc;
|
||||
char ** nargv;
|
||||
const char * options;
|
||||
struct option * long_options;
|
||||
int * index;
|
||||
{
|
||||
int retval;
|
||||
|
||||
_DIAGASSERT(nargv != NULL);
|
||||
_DIAGASSERT(options != NULL);
|
||||
_DIAGASSERT(long_options != NULL);
|
||||
/* index may be NULL */
|
||||
|
||||
if ((retval = getopt_internal(nargc, nargv, options)) == -2) {
|
||||
char *current_argv = nargv[optind++] + 2, *has_equal;
|
||||
int i, current_argv_len, match = -1;
|
||||
|
||||
if (*current_argv == '\0') {
|
||||
return(-1);
|
||||
}
|
||||
if ((has_equal = strchr(current_argv, '=')) != NULL) {
|
||||
current_argv_len = (int) (has_equal - current_argv);
|
||||
has_equal++;
|
||||
} else
|
||||
current_argv_len = (int) (strlen(current_argv));
|
||||
|
||||
for (i = 0; long_options[i].name; i++) {
|
||||
if (strncmp(current_argv, long_options[i].name, current_argv_len))
|
||||
continue;
|
||||
|
||||
if (strlen(long_options[i].name) == (unsigned)current_argv_len) {
|
||||
match = i;
|
||||
break;
|
||||
}
|
||||
if (match == -1)
|
||||
match = i;
|
||||
}
|
||||
if (match != -1) {
|
||||
if (long_options[match].has_arg == required_argument ||
|
||||
long_options[match].has_arg == optional_argument) {
|
||||
if (has_equal)
|
||||
optarg = has_equal;
|
||||
else
|
||||
optarg = nargv[optind++];
|
||||
}
|
||||
if ((long_options[match].has_arg == required_argument)
|
||||
&& (optarg == NULL)) {
|
||||
/*
|
||||
* Missing argument, leading :
|
||||
* indicates no error should be generated
|
||||
*/
|
||||
if ((opterr) && (*options != ':'))
|
||||
(void)fprintf(stderr,
|
||||
"%s: option requires an argument -- %s\n",
|
||||
__progname(nargv[0]), current_argv);
|
||||
return (BADARG);
|
||||
}
|
||||
} else { /* No matching argument */
|
||||
if ((opterr) && (*options != ':'))
|
||||
(void)fprintf(stderr,
|
||||
"%s: illegal option -- %s\n", __progname(nargv[0]), current_argv);
|
||||
return (BADCH);
|
||||
}
|
||||
if (long_options[match].flag) {
|
||||
*long_options[match].flag = long_options[match].val;
|
||||
retval = 0;
|
||||
} else
|
||||
retval = long_options[match].val;
|
||||
if (index)
|
||||
*index = match;
|
||||
}
|
||||
return(retval);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue