163 строки
4.4 KiB
C
163 строки
4.4 KiB
C
/* gnu_getopt_long and getopt_long_only entry points for GNU getopt.
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Copyright (C) 1987,88,89,90,91,92,93,94,96,97 Free Software Foundation, Inc.
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This file is part of the GNU C Library. Its master source is NOT part of
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the C library, however. The master source lives in /gd/gnu/lib.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/*
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* modified July 9, 1999 by mark gates <mgates@nlanr.net>
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* Dec 17, 1999
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*
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* renamed all functions and variables by prepending "gnu_"
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* removed/redid a bunch of stuff under the assumption we're
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* using a modern standard C compiler.
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* renamed file to gnu_getopt_long.c (from gnu_getopt1.c)
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*
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* $Id: gnu_getopt_long.c,v 1.1.1.1 2004/05/18 01:50:44 kgibbs Exp $
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*/
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#include "gnu_getopt.h"
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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int
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gnu_getopt_long( int argc,
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char *const *argv,
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const char *options,
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const struct option *long_options,
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int *opt_index ) {
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return _gnu_getopt_internal (argc, argv, options, long_options, opt_index, 0);
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}
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/* Like gnu_getopt_long, but '-' as well as '--' can indicate a long option.
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If an option that starts with '-' (not '--') doesn't match a long option,
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but does match a short option, it is parsed as a short option
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instead. */
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int
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gnu_getopt_long_only( int argc,
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char *const *argv,
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const char *options,
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const struct option *long_options,
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int *opt_index ) {
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return _gnu_getopt_internal (argc, argv, options, long_options, opt_index, 1);
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}
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#ifdef __cplusplus
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} /* end extern "C" */
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#endif
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#ifdef TEST
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#include <stdio.h>
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int
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main (argc, argv)
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int argc;
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char **argv;
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{
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int c;
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int digit_optind = 0;
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while ( 1 ) {
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int this_option_optind = gnu_optind ? gnu_optind : 1;
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int option_index = 0;
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static struct option long_options[] =
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{
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{"add", 1, 0, 0},
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{"append", 0, 0, 0},
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{"delete", 1, 0, 0},
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{"verbose", 0, 0, 0},
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{"create", 0, 0, 0},
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{"file", 1, 0, 0},
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{0, 0, 0, 0}
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};
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c = gnu_getopt_long (argc, argv, "abc:d:0123456789",
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long_options, &option_index);
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if ( c == -1 )
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break;
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switch ( c ) {
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case 0:
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fprintf ( stderr, "option %s", long_options[option_index].name);
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if ( gnu_optarg )
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fprintf ( stderr, " with arg %s", gnu_optarg);
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fprintf ( stderr, "\n");
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break;
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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if ( digit_optind != 0 && digit_optind != this_option_optind )
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fprintf ( stderr, "digits occur in two different argv-elements.\n");
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digit_optind = this_option_optind;
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fprintf ( stderr, "option %c\n", c);
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break;
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case 'a':
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fprintf ( stderr, "option a\n");
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break;
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case 'b':
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fprintf ( stderr, "option b\n");
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break;
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case 'c':
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fprintf ( stderr, "option c with value `%s'\n", gnu_optarg);
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break;
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case 'd':
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fprintf ( stderr, "option d with value `%s'\n", gnu_optarg);
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break;
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case '?':
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break;
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default:
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fprintf ( stderr, "?? gnu_getopt returned character code 0%o ??\n", c);
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}
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}
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if ( gnu_optind < argc ) {
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fprintf ( stderr, "non-option ARGV-elements: ");
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while ( gnu_optind < argc )
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fprintf ( stderr, "%s ", argv[gnu_optind++]);
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fprintf ( stderr, "\n");
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}
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exit (0);
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}
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#endif /* TEST */
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