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Diffstat (limited to '')
| -rw-r--r-- | lib/getopt1.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/lib/getopt1.c b/lib/getopt1.c new file mode 100644 index 0000000..a7fe253 --- /dev/null +++ b/lib/getopt1.c @@ -0,0 +1,176 @@ +/* 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. + * + * 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, 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; see the file COPYING; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#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 */ |