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// SPDX-License-Identifier: GPL-2.0-or-later
/* getopt_long and getopt_long_only entry points for GNU getopt.
* Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98
* Free Software Foundation, Inc.
*
* NOTE: The canonical source of this file is maintained with the GNU C Library.
* Bugs can be reported to bug-glibc@gnu.org.
*/
#include <zebra.h>
#include "getopt.h"
#if !defined __STDC__ || !__STDC__
/* This is a separate conditional since some stdc systems
reject `defined (const)'. */
#ifndef const
#define const
#endif
#endif
#include <stdio.h>
/* Comment out all this code if we are using the GNU C Library, and are not
actually compiling the library itself. This code is part of the GNU C
Library, but also included in many other GNU distributions. Compiling
and linking in this code is a waste when using the GNU C library
(especially if it is a shared library). Rather than having every GNU
program understand `configure --with-gnu-libc' and omit the object files,
it is simpler to just do this in the source for each such file. */
#define GETOPT_INTERFACE_VERSION 2
#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
#include <gnu-versions.h>
#if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
#define ELIDE_CODE
#endif
#endif
#ifndef ELIDE_CODE
/* This needs to come after some library #include
to get __GNU_LIBRARY__ defined. */
#ifdef __GNU_LIBRARY__
#include <stdlib.h>
#endif
#ifndef NULL
#define NULL 0
#endif
int getopt_long(argc, argv, options, long_options, opt_index) int argc;
char *const *argv;
const char *options;
const struct option *long_options;
int *opt_index;
{
return _getopt_internal(argc, argv, options, long_options, opt_index,
0);
}
/* Like getopt_long, but '-' as well as '--' can indicate a long option.
If an option that starts with '-' (not '--') doesn't match a long option,
but does match a short option, it is parsed as a short option
instead. */
int getopt_long_only(argc, argv, options, long_options, opt_index) int argc;
char *const *argv;
const char *options;
const struct option *long_options;
int *opt_index;
{
return _getopt_internal(argc, argv, options, long_options, opt_index,
1);
}
#endif /* Not ELIDE_CODE. */
#ifdef TEST
#include <stdio.h>
int main(argc, argv) int argc;
char **argv;
{
int c;
int digit_optind = 0;
while (1) {
int this_option_optind = optind ? optind : 1;
int option_index = 0;
static struct option long_options[] = {
{"add", 1, 0, 0}, {"append", 0, 0, 0},
{"delete", 1, 0, 0}, {"verbose", 0, 0, 0},
{"create", 0, 0, 0}, {"file", 1, 0, 0},
{0, 0, 0, 0}};
c = getopt_long(argc, argv, "abc:d:0123456789", long_options,
&option_index);
if (c == -1)
break;
switch (c) {
case 0:
printf("option %s", long_options[option_index].name);
if (optarg)
printf(" with arg %s", optarg);
printf("\n");
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
if (digit_optind != 0
&& digit_optind != this_option_optind)
printf("digits occur in two different argv-elements.\n");
digit_optind = this_option_optind;
printf("option %c\n", c);
break;
case 'a':
printf("option a\n");
break;
case 'b':
printf("option b\n");
break;
case 'c':
printf("option c with value `%s'\n", optarg);
break;
case 'd':
printf("option d with value `%s'\n", optarg);
break;
case '?':
break;
default:
printf("?? getopt returned character code 0%o ??\n", c);
}
}
if (optind < argc) {
printf("non-option ARGV-elements: ");
while (optind < argc)
printf("%s ", argv[optind++]);
printf("\n");
}
exit(0);
}
#endif /* TEST */
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