/*      $NetBSD: getopt1.c,v 1.1.1.1 2016/01/13 03:15:30 christos Exp $ */

/* getopt_long and getopt_long_only entry points for GNU getopt.
  Copyright (C) 1987,88,89,90,91,92,93,94,96,97,98
    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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "getopt.h"

#if !defined __STDC__ || !__STDC__
/* This is a separate conditional since some stdc systems
  reject `defined (const)'.  */
#ifndef const
#define const
#endif
#endif

#include <stdio.h>

/* Comment out all this code if we are using the GNU C Library, and are not
  actually compiling the library itself.  This code is part of the GNU C
  Library, but also included in many other GNU distributions.  Compiling
  and linking in this code is a waste when using the GNU C library
  (especially if it is a shared library).  Rather than having every GNU
  program understand `configure --with-gnu-libc' and omit the object files,
  it is simpler to just do this in the source for each such file.  */

#define GETOPT_INTERFACE_VERSION 2
#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
#include <gnu-versions.h>
#if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
#define ELIDE_CODE
#endif
#endif

#ifndef ELIDE_CODE


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

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


#endif  /* Not ELIDE_CODE.  */

#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 = 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 */