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/* getopt_long and getopt_long_only entry points for GNU getopt. |
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Copyright (C) 1987, 88, 89, 90, 91, 92, 1993, 1994 |
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Free Software Foundation, Inc. |
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|
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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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|
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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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|
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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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|
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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 |
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not, write to the Free Software Foundation, Inc., 675 Mass Ave, |
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Cambridge, MA 02139, USA. */ |
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|
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#ifdef HAVE_CONFIG_H |
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#include <config.h> |
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#endif |
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|
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#include "getopt.h" |
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|
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#if !defined (__STDC__) || !__STDC__ |
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/* This is a separate conditional since some stdc systems |
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reject `defined (const)'. */ |
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#ifndef const |
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#define const |
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#endif |
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#endif |
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|
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#include <stdio.h> |
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|
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/* Comment out all this code if we are using the GNU C Library, and are not |
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actually compiling the library itself. This code is part of the GNU C |
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Library, but also included in many other GNU distributions. Compiling |
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and linking in this code is a waste when using the GNU C library |
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(especially if it is a shared library). Rather than having every GNU |
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program understand `configure --with-gnu-libc' and omit the object files, |
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it is simpler to just do this in the source for each such file. */ |
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|
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#if defined (_LIBC) || !defined (__GNU_LIBRARY__) |
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|
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|
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/* This needs to come after some library #include |
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to get __GNU_LIBRARY__ defined. */ |
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#ifdef __GNU_LIBRARY__ |
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#include <stdlib.h> |
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#else |
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char *getenv (); |
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#endif |
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|
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#ifndef NULL |
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#define NULL 0 |
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#endif |
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|
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int |
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getopt_long (argc, argv, options, long_options, opt_index) |
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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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{ |
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return _getopt_internal (argc, argv, options, long_options, opt_index, 0); |
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} |
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|
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/* Like 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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|
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int |
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getopt_long_only (argc, argv, options, long_options, opt_index) |
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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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{ |
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return _getopt_internal (argc, argv, options, long_options, opt_index, 1); |
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} |
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|
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|
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#endif /* _LIBC or not __GNU_LIBRARY__. */ |
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|
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#ifdef TEST |
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|
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#include <stdio.h> |
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|
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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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|
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while (1) |
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{ |
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int this_option_optind = optind ? 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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|
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c = getopt_long (argc, argv, "abc:d:0123456789", |
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long_options, &option_index); |
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if (c == EOF) |
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break; |
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|
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switch (c) |
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{ |
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case 0: |
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printf ("option %s", long_options[option_index].name); |
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if (optarg) |
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printf (" with arg %s", optarg); |
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printf ("\n"); |
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break; |
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|
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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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printf ("digits occur in two different argv-elements.\n"); |
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digit_optind = this_option_optind; |
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printf ("option %c\n", c); |
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break; |
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|
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case 'a': |
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printf ("option a\n"); |
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break; |
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|
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case 'b': |
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printf ("option b\n"); |
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break; |
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|
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case 'c': |
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printf ("option c with value `%s'\n", optarg); |
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break; |
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|
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case 'd': |
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printf ("option d with value `%s'\n", optarg); |
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break; |
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|
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case '?': |
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break; |
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|
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default: |
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printf ("?? getopt returned character code 0%o ??\n", c); |
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} |
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} |
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|
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if (optind < argc) |
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{ |
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printf ("non-option ARGV-elements: "); |
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while (optind < argc) |
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printf ("%s ", argv[optind++]); |
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printf ("\n"); |
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} |
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|
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exit (0); |
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} |
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|
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#endif /* TEST */ |
