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/** BEGIN COPYRIGHT BLOCK
*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the Netscape security libraries.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1994-2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the
* GPL.
*
* END COPYRIGHT BLOCK **/
#ifdef XP_PC
/*
** This comes from the AT&T public-domain getopt published in mod.sources
** (i.e., comp.sources.unix before the great Usenet renaming).
*/
#include <stdio.h>
#include <string.h> /* for str*() */
#include <io.h> /* for write() */
int opterr = 1; /* boolean flag, says "report error on stderr." */
int optind = 1; /* index to element of argv from which options are
** being parsed. */
int optopt = 0; /* option character */
char *optarg; /* ptr to option's parameter arg. */
#ifdef _WIN32
static void
do_opterr(const char *s, int c, char * const av[])
{
if (opterr) {
char buff[2];
int fd = _fileno(stderr);
buff[0] = (char)c;
buff[1] = '\n';
(void)write(fd, av[0], strlen(av[0]));
(void)write(fd, s, strlen(s));
(void)write(fd, buff, 2);
}
}
#define ERR(s, c) do_opterr(s, c, av)
#else
#define ERR(s, c) /* Win16 doesn't do stderr */
#endif
/*
** Return options and their values from the command line.
*/
int
getopt(int ac, char * const av[], const char * opts)
{
static int i = 1; /* offset of current option char in current arg. */
char *p; /* opt char in opts that matched. */
/* Move to next value from argv? */
if (i == 1) {
if (optind >= ac || av[optind][0] != '-' || av[optind][1] == '\0')
return EOF;
if (strcmp(av[optind], "--") == 0) {
optind++;
return EOF;
}
}
/* Get next option character. */
if ((optopt = av[optind][i]) == ':' ||
(p = strchr(opts, optopt)) == NULL) {
ERR(": illegal option -- ", optopt);
if (av[optind][++i] == '\0') {
optind++;
i = 1;
}
return '?';
}
/* Snarf argument? */
if (*++p == ':') {
if (av[optind][i + 1] != '\0')
optarg = &av[optind++][i + 1];
else {
if (++optind >= ac) {
ERR(": option requires an argument -- ", optopt);
i = 1;
return '?';
}
optarg = av[optind++];
}
i = 1;
} else {
if (av[optind][++i] == '\0') {
i = 1;
optind++;
}
optarg = NULL;
}
return optopt;
}
#endif /* XP_PC */
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