/* getopt_long and getopt_long_only entry points for GNU getopt.

   Copyright (C) 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1996,

   1997, 1998, 2003 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 HAVE_CONFIG_H

#include <config.h>

#endif

#ifdef _LIBC

# include <getopt.h>

#else

# include "getopt.h"

#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 (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 (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);

}

# ifdef _LIBC

libc_hidden_def (getopt_long)

libc_hidden_def (getopt_long_only)

# endif

#endif	/* Not ELIDE_CODE.  */

#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 */