rlm@1: /* getopt_long and getopt_long_only entry points for GNU getopt.
rlm@1:    Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98
rlm@1:      Free Software Foundation, Inc.
rlm@1: 
rlm@1:    NOTE: This source is derived from an old version taken from the GNU C
rlm@1:    Library (glibc).
rlm@1: 
rlm@1:    This program is free software; you can redistribute it and/or modify it
rlm@1:    under the terms of the GNU General Public License as published by the
rlm@1:    Free Software Foundation; either version 2, or (at your option) any
rlm@1:    later version.
rlm@1: 
rlm@1:    This program is distributed in the hope that it will be useful,
rlm@1:    but WITHOUT ANY WARRANTY; without even the implied warranty of
rlm@1:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
rlm@1:    GNU General Public License for more details.
rlm@1: 
rlm@1:    You should have received a copy of the GNU General Public License
rlm@1:    along with this program; if not, write to the Free Software
rlm@1:    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
rlm@1:    USA.  */
rlm@1: 
rlm@1: #ifdef HAVE_CONFIG_H
rlm@1: #include <config.h>
rlm@1: #endif
rlm@1: 
rlm@1: #include "getopt.h"
rlm@1: 
rlm@1: #if !defined __STDC__ || !__STDC__
rlm@1: /* This is a separate conditional since some stdc systems
rlm@1:    reject `defined (const)'.  */
rlm@1: #ifndef const
rlm@1: #define const
rlm@1: #endif
rlm@1: #endif
rlm@1: 
rlm@1: #include <stdio.h>
rlm@1: 
rlm@1: /* Comment out all this code if we are using the GNU C Library, and are not
rlm@1:    actually compiling the library itself.  This code is part of the GNU C
rlm@1:    Library, but also included in many other GNU distributions.  Compiling
rlm@1:    and linking in this code is a waste when using the GNU C library
rlm@1:    (especially if it is a shared library).  Rather than having every GNU
rlm@1:    program understand `configure --with-gnu-libc' and omit the object files,
rlm@1:    it is simpler to just do this in the source for each such file.  */
rlm@1: 
rlm@1: #define GETOPT_INTERFACE_VERSION 2
rlm@1: #if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
rlm@1: #include <gnu-versions.h>
rlm@1: #if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
rlm@1: #define ELIDE_CODE
rlm@1: #endif
rlm@1: #endif
rlm@1: 
rlm@1: #ifndef ELIDE_CODE
rlm@1: 
rlm@1: 
rlm@1: /* This needs to come after some library #include
rlm@1:    to get __GNU_LIBRARY__ defined.  */
rlm@1: #ifdef __GNU_LIBRARY__
rlm@1: #include <stdlib.h>
rlm@1: #endif
rlm@1: 
rlm@1: #ifndef	NULL
rlm@1: #define NULL 0
rlm@1: #endif
rlm@1: 
rlm@1: int
rlm@1: getopt_long (argc, argv, options, long_options, opt_index)
rlm@1:      int argc;
rlm@1:      char *const *argv;
rlm@1:      const char *options;
rlm@1:      const struct option *long_options;
rlm@1:      int *opt_index;
rlm@1: {
rlm@1:   return _getopt_internal (argc, argv, options, long_options, opt_index, 0);
rlm@1: }
rlm@1: 
rlm@1: /* Like getopt_long, but '-' as well as '--' can indicate a long option.
rlm@1:    If an option that starts with '-' (not '--') doesn't match a long option,
rlm@1:    but does match a short option, it is parsed as a short option
rlm@1:    instead.  */
rlm@1: 
rlm@1: int
rlm@1: getopt_long_only (argc, argv, options, long_options, opt_index)
rlm@1:      int argc;
rlm@1:      char *const *argv;
rlm@1:      const char *options;
rlm@1:      const struct option *long_options;
rlm@1:      int *opt_index;
rlm@1: {
rlm@1:   return _getopt_internal (argc, argv, options, long_options, opt_index, 1);
rlm@1: }
rlm@1: 
rlm@1: 
rlm@1: #endif	/* Not ELIDE_CODE.  */
rlm@1: 
rlm@1: #ifdef TEST
rlm@1: 
rlm@1: #include <stdio.h>
rlm@1: 
rlm@1: int
rlm@1: main (argc, argv)
rlm@1:      int argc;
rlm@1:      char **argv;
rlm@1: {
rlm@1:   int c;
rlm@1:   int digit_optind = 0;
rlm@1: 
rlm@1:   while (1)
rlm@1:     {
rlm@1:       int this_option_optind = optind ? optind : 1;
rlm@1:       int option_index = 0;
rlm@1:       static struct option long_options[] =
rlm@1:       {
rlm@1: 	{"add", 1, 0, 0},
rlm@1: 	{"append", 0, 0, 0},
rlm@1: 	{"delete", 1, 0, 0},
rlm@1: 	{"verbose", 0, 0, 0},
rlm@1: 	{"create", 0, 0, 0},
rlm@1: 	{"file", 1, 0, 0},
rlm@1: 	{0, 0, 0, 0}
rlm@1:       };
rlm@1: 
rlm@1:       c = getopt_long (argc, argv, "abc:d:0123456789",
rlm@1: 		       long_options, &option_index);
rlm@1:       if (c == -1)
rlm@1: 	break;
rlm@1: 
rlm@1:       switch (c)
rlm@1: 	{
rlm@1: 	case 0:
rlm@1: 	  printf ("option %s", long_options[option_index].name);
rlm@1: 	  if (optarg)
rlm@1: 	    printf (" with arg %s", optarg);
rlm@1: 	  printf ("\n");
rlm@1: 	  break;
rlm@1: 
rlm@1: 	case '0':
rlm@1: 	case '1':
rlm@1: 	case '2':
rlm@1: 	case '3':
rlm@1: 	case '4':
rlm@1: 	case '5':
rlm@1: 	case '6':
rlm@1: 	case '7':
rlm@1: 	case '8':
rlm@1: 	case '9':
rlm@1: 	  if (digit_optind != 0 && digit_optind != this_option_optind)
rlm@1: 	    printf ("digits occur in two different argv-elements.\n");
rlm@1: 	  digit_optind = this_option_optind;
rlm@1: 	  printf ("option %c\n", c);
rlm@1: 	  break;
rlm@1: 
rlm@1: 	case 'a':
rlm@1: 	  printf ("option a\n");
rlm@1: 	  break;
rlm@1: 
rlm@1: 	case 'b':
rlm@1: 	  printf ("option b\n");
rlm@1: 	  break;
rlm@1: 
rlm@1: 	case 'c':
rlm@1: 	  printf ("option c with value `%s'\n", optarg);
rlm@1: 	  break;
rlm@1: 
rlm@1: 	case 'd':
rlm@1: 	  printf ("option d with value `%s'\n", optarg);
rlm@1: 	  break;
rlm@1: 
rlm@1: 	case '?':
rlm@1: 	  break;
rlm@1: 
rlm@1: 	default:
rlm@1: 	  printf ("?? getopt returned character code 0%o ??\n", c);
rlm@1: 	}
rlm@1:     }
rlm@1: 
rlm@1:   if (optind < argc)
rlm@1:     {
rlm@1:       printf ("non-option ARGV-elements: ");
rlm@1:       while (optind < argc)
rlm@1: 	printf ("%s ", argv[optind++]);
rlm@1:       printf ("\n");
rlm@1:     }
rlm@1: 
rlm@1:   exit (0);
rlm@1: }
rlm@1: 
rlm@1: #endif /* TEST */