Hamlib/lib/getopt_long.c

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/* getopt_long and getopt_long_only entry points for GNU getopt.
Copyright (C) 1987, 88, 89, 90, 91, 92, 1993
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Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "getopt.h"
#if !__STDC__ && !defined(const) && IN_GCC
#define const
#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. */
#if defined (_LIBC) || !defined (__GNU_LIBRARY__)
/* This needs to come after some library #include
to get __GNU_LIBRARY__ defined. */
#ifdef __GNU_LIBRARY__
#include <stdlib.h>
#else
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char *getenv();
#endif
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#ifndef NULL
#define NULL 0
#endif
int
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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;
{
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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
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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;
{
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return _getopt_internal(argc, argv, options, long_options, opt_index, 1);
}
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#endif /* _LIBC or not __GNU_LIBRARY__. */
#ifdef TEST
#include <stdio.h>
int
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main(argc, argv)
int argc;
char **argv;
{
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while (1)
{
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int c;
int digit_optind = 0;
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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 == EOF)
{
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);
}
}
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if (optind < argc)
{
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printf("non-option ARGV-elements: ");
while (optind < argc)
{
printf("%s ", argv[optind++]);
}
printf("\n");
}
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exit(0);
}
#endif /* TEST */
#include "getopt.c"