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Diffstat (limited to '')
| -rw-r--r-- | src/gnu_getopt_long.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/src/gnu_getopt_long.c b/src/gnu_getopt_long.c new file mode 100644 index 0000000..9049feb --- /dev/null +++ b/src/gnu_getopt_long.c @@ -0,0 +1,162 @@ +/* gnu_getopt_long and getopt_long_only entry points for GNU getopt. + Copyright (C) 1987,88,89,90,91,92,93,94,96,97 Free Software Foundation, Inc. + + This file is part of the GNU C Library. Its master source is NOT part of + the C library, however. The master source lives in /gd/gnu/lib. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* + * modified July 9, 1999 by mark gates <mgates@nlanr.net> + * Dec 17, 1999 + * + * renamed all functions and variables by prepending "gnu_" + * removed/redid a bunch of stuff under the assumption we're + * using a modern standard C compiler. + * renamed file to gnu_getopt_long.c (from gnu_getopt1.c) + * + * $Id: gnu_getopt_long.c,v 1.1.1.1 2004/05/18 01:50:44 kgibbs Exp $ + */ + + + +#include "gnu_getopt.h" + +#include <stdio.h> +#include <stdlib.h> + +#ifdef __cplusplus +extern "C" { +#endif + +int +gnu_getopt_long( int argc, + char *const *argv, + const char *options, + const struct option *long_options, + int *opt_index ) { + return _gnu_getopt_internal (argc, argv, options, long_options, opt_index, 0); +} + +/* Like gnu_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 +gnu_getopt_long_only( int argc, + char *const *argv, + const char *options, + const struct option *long_options, + int *opt_index ) { + return _gnu_getopt_internal (argc, argv, options, long_options, opt_index, 1); +} + +#ifdef __cplusplus +} /* end extern "C" */ +#endif + + +#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 = gnu_optind ? gnu_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 = gnu_getopt_long (argc, argv, "abc:d:0123456789", + long_options, &option_index); + if ( c == -1 ) + break; + + switch ( c ) { + case 0: + fprintf ( stderr, "option %s", long_options[option_index].name); + if ( gnu_optarg ) + fprintf ( stderr, " with arg %s", gnu_optarg); + fprintf ( stderr, "\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 ) + fprintf ( stderr, "digits occur in two different argv-elements.\n"); + digit_optind = this_option_optind; + fprintf ( stderr, "option %c\n", c); + break; + + case 'a': + fprintf ( stderr, "option a\n"); + break; + + case 'b': + fprintf ( stderr, "option b\n"); + break; + + case 'c': + fprintf ( stderr, "option c with value `%s'\n", gnu_optarg); + break; + + case 'd': + fprintf ( stderr, "option d with value `%s'\n", gnu_optarg); + break; + + case '?': + break; + + default: + fprintf ( stderr, "?? gnu_getopt returned character code 0%o ??\n", c); + } +} + +if ( gnu_optind < argc ) { + fprintf ( stderr, "non-option ARGV-elements: "); + while ( gnu_optind < argc ) + fprintf ( stderr, "%s ", argv[gnu_optind++]); + fprintf ( stderr, "\n"); +} + +exit (0); +} + +#endif /* TEST */ |