/* getopt_long and getopt_long_only entry points for GNU getopt.
  Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98,2004,2006
    Free Software Foundation, Inc.
  This file is part of the GNU C Library.

  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; if not, write to the Free Software Foundation,
  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */

#ifdef _LIBC
# include <getopt.h>
#else
# include <config.h>
# include "getopt.h"
#endif
#include "getopt_int.h"

#include <stdio.h>

/* 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 (int argc, char *__getopt_argv_const *argv, const char *options,
            const struct option *long_options, int *opt_index)
{
 return _getopt_internal (argc, (char **) argv, options, long_options,
                          opt_index, 0, 0);
}

int
_getopt_long_r (int argc, char **argv, const char *options,
               const struct option *long_options, int *opt_index,
               struct _getopt_data *d)
{
 return _getopt_internal_r (argc, argv, options, long_options, opt_index,
                            0, 0, d);
}

/* 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 (int argc, char *__getopt_argv_const *argv,
                 const char *options,
                 const struct option *long_options, int *opt_index)
{
 return _getopt_internal (argc, (char **) argv, options, long_options,
                          opt_index, 1, 0);
}

int
_getopt_long_only_r (int argc, char **argv, const char *options,
                    const struct option *long_options, int *opt_index,
                    struct _getopt_data *d)
{
 return _getopt_internal_r (argc, argv, options, long_options, opt_index,
                            1, 0, d);
}


#ifdef TEST

#include <stdio.h>

int
main (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 */