/* 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.  Its master source is NOT part of

   the C library, however.  The master source lives in /gd/gnu/lib.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Library General Public License as

   published by the Free Software Foundation; either version 2 of the

   License, or (at your option) any later version.

   The GNU C Library 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

   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public

   License along with the GNU C Library; see the file COPYING.LIB.  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 */