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/* 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.

   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 */