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/*
* Copyright (c) 1987, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*/
#include "misc.h"
APR_VAR_EXPORT int
ap_opterr = 1, /* if error message should be printed */
ap_optind = 1, /* index into parent argv vector */
ap_optopt, /* character checked for validity */
ap_optreset; /* reset getopt */
APR_VAR_EXPORT char *ap_optarg = ""; /* argument associated with option */
#define EMSG ""
APR_EXPORT(apr_status_t) apr_getopt(apr_int32_t nargc, char *const *nargv,
const char *ostr, apr_int32_t *rv,
apr_pool_t *cont)
{
char *p;
static char *place = EMSG; /* option letter processing */
char *oli; /* option letter list index */
if (ap_optreset || !*place) { /* update scanning pointer */
ap_optreset = 0;
if (ap_optind >= nargc || *(place = nargv[ap_optind]) != '-') {
place = EMSG;
*rv = ap_optopt;
return (APR_EOF);
}
if (place[1] && *++place == '-') { /* found "--" */
++ap_optind;
place = EMSG;
*rv = ap_optopt;
return (APR_EOF);
}
} /* option letter okay? */
if ((ap_optopt = (int) *place++) == (int) ':' ||
!(oli = strchr(ostr, ap_optopt))) {
/*
* if the user didn't specify '-' as an option,
* assume it means -1.
*/
if (ap_optopt == (int) '-') {
*rv = ap_optopt;
return (APR_EOF);
}
if (!*place)
++ap_optind;
if (ap_opterr && *ostr != ':') {
if (!(p = strrchr(*nargv, '/')))
p = *nargv;
else
++p;
(void) fprintf(stderr,
"%s: illegal option -- %c\n", p, ap_optopt);
}
*rv = ap_optopt;
return APR_BADCH;
}
if (*++oli != ':') { /* don't need argument */
ap_optarg = NULL;
if (!*place)
++ap_optind;
}
else { /* need an argument */
if (*place) /* no white space */
ap_optarg = place;
else if (nargc <= ++ap_optind) { /* no arg */
place = EMSG;
if (*ostr == ':') {
*rv = ap_optopt;
return (APR_BADARG);
}
if (ap_opterr) {
if (!(p = strrchr(*nargv, '/')))
p = *nargv;
else
++p;
(void) fprintf(stderr,
"%s: option requires an argument -- %c\n",
p, ap_optopt);
}
*rv = ap_optopt;
return (APR_BADCH);
}
else /* white space */
ap_optarg = nargv[ap_optind];
place = EMSG;
++ap_optind;
}
*rv = ap_optopt;
return APR_SUCCESS;
}
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