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/* Getopt for GNU.
/* Getopt for GNU.
   NOTE: getopt is now part of the C library, so if you don't know what
   NOTE: getopt is now part of the C library, so if you don't know what
   "Keep this file name-space clean" means, talk to drepper@gnu.org
   "Keep this file name-space clean" means, talk to drepper@gnu.org
   before changing it!
   before changing it!
 
 
   Copyright (C) 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
   Copyright (C) 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
   1996, 1997, 1998, 2005 Free Software Foundation, Inc.
   1996, 1997, 1998, 2005 Free Software Foundation, Inc.
 
 
   NOTE: This source is derived from an old version taken from the GNU C
   NOTE: This source is derived from an old version taken from the GNU C
   Library (glibc).
   Library (glibc).
 
 
   This program is free software; you can redistribute it and/or modify it
   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
   under the terms of the GNU General Public License as published by the
   Free Software Foundation; either version 2, or (at your option) any
   Free Software Foundation; either version 2, or (at your option) any
   later version.
   later version.
 
 
   This program is distributed in the hope that it will be useful,
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   GNU General Public License for more details.
 
 
   You should have received a copy of the GNU General Public License
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
   USA.  */
   USA.  */


/* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>.
/* This tells Alpha OSF/1 not to define a getopt prototype in <stdio.h>.
   Ditto for AIX 3.2 and <stdlib.h>.  */
   Ditto for AIX 3.2 and <stdlib.h>.  */
#ifndef _NO_PROTO
#ifndef _NO_PROTO
# define _NO_PROTO
# define _NO_PROTO
#endif
#endif
 
 
#ifdef HAVE_CONFIG_H
#ifdef HAVE_CONFIG_H
# include <config.h>
# include <config.h>
#endif
#endif
 
 
#if !defined __STDC__ || !__STDC__
#if !defined __STDC__ || !__STDC__
/* This is a separate conditional since some stdc systems
/* This is a separate conditional since some stdc systems
   reject `defined (const)'.  */
   reject `defined (const)'.  */
# ifndef const
# ifndef const
#  define const
#  define const
# endif
# endif
#endif
#endif
 
 
#include "ansidecl.h"
#include "ansidecl.h"
#include <stdio.h>
#include <stdio.h>
 
 
/* Comment out all this code if we are using the GNU C Library, and are not
/* 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
   actually compiling the library itself.  This code is part of the GNU C
   Library, but also included in many other GNU distributions.  Compiling
   Library, but also included in many other GNU distributions.  Compiling
   and linking in this code is a waste when using the GNU C library
   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
   (especially if it is a shared library).  Rather than having every GNU
   program understand `configure --with-gnu-libc' and omit the object files,
   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.  */
   it is simpler to just do this in the source for each such file.  */
 
 
#define GETOPT_INTERFACE_VERSION 2
#define GETOPT_INTERFACE_VERSION 2
#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
#if !defined _LIBC && defined __GLIBC__ && __GLIBC__ >= 2
# include <gnu-versions.h>
# include <gnu-versions.h>
# if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
# if _GNU_GETOPT_INTERFACE_VERSION == GETOPT_INTERFACE_VERSION
#  define ELIDE_CODE
#  define ELIDE_CODE
# endif
# endif
#endif
#endif
 
 
#ifndef ELIDE_CODE
#ifndef ELIDE_CODE
 
 
 
 
/* This needs to come after some library #include
/* This needs to come after some library #include
   to get __GNU_LIBRARY__ defined.  */
   to get __GNU_LIBRARY__ defined.  */
#ifdef  __GNU_LIBRARY__
#ifdef  __GNU_LIBRARY__
/* Don't include stdlib.h for non-GNU C libraries because some of them
/* Don't include stdlib.h for non-GNU C libraries because some of them
   contain conflicting prototypes for getopt.  */
   contain conflicting prototypes for getopt.  */
# include <stdlib.h>
# include <stdlib.h>
# include <unistd.h>
# include <unistd.h>
#endif  /* GNU C library.  */
#endif  /* GNU C library.  */
 
 
#ifdef VMS
#ifdef VMS
# include <unixlib.h>
# include <unixlib.h>
# if HAVE_STRING_H - 0
# if HAVE_STRING_H - 0
#  include <string.h>
#  include <string.h>
# endif
# endif
#endif
#endif
 
 
#ifndef _
#ifndef _
/* This is for other GNU distributions with internationalized messages.
/* This is for other GNU distributions with internationalized messages.
   When compiling libc, the _ macro is predefined.  */
   When compiling libc, the _ macro is predefined.  */
# if (HAVE_LIBINTL_H && ENABLE_NLS) || defined _LIBC
# if (HAVE_LIBINTL_H && ENABLE_NLS) || defined _LIBC
#  include <libintl.h>
#  include <libintl.h>
#  define _(msgid)      gettext (msgid)
#  define _(msgid)      gettext (msgid)
# else
# else
#  define _(msgid)      (msgid)
#  define _(msgid)      (msgid)
# endif
# endif
#endif
#endif
 
 
/* This version of `getopt' appears to the caller like standard Unix `getopt'
/* This version of `getopt' appears to the caller like standard Unix `getopt'
   but it behaves differently for the user, since it allows the user
   but it behaves differently for the user, since it allows the user
   to intersperse the options with the other arguments.
   to intersperse the options with the other arguments.
 
 
   As `getopt' works, it permutes the elements of ARGV so that,
   As `getopt' works, it permutes the elements of ARGV so that,
   when it is done, all the options precede everything else.  Thus
   when it is done, all the options precede everything else.  Thus
   all application programs are extended to handle flexible argument order.
   all application programs are extended to handle flexible argument order.
 
 
   Setting the environment variable POSIXLY_CORRECT disables permutation.
   Setting the environment variable POSIXLY_CORRECT disables permutation.
   Then the behavior is completely standard.
   Then the behavior is completely standard.
 
 
   GNU application programs can use a third alternative mode in which
   GNU application programs can use a third alternative mode in which
   they can distinguish the relative order of options and other arguments.  */
   they can distinguish the relative order of options and other arguments.  */
 
 
#include "getopt.h"
#include "getopt.h"
 
 
/* For communication from `getopt' to the caller.
/* For communication from `getopt' to the caller.
   When `getopt' finds an option that takes an argument,
   When `getopt' finds an option that takes an argument,
   the argument value is returned here.
   the argument value is returned here.
   Also, when `ordering' is RETURN_IN_ORDER,
   Also, when `ordering' is RETURN_IN_ORDER,
   each non-option ARGV-element is returned here.  */
   each non-option ARGV-element is returned here.  */
 
 
char *optarg = NULL;
char *optarg = NULL;
 
 
/* Index in ARGV of the next element to be scanned.
/* Index in ARGV of the next element to be scanned.
   This is used for communication to and from the caller
   This is used for communication to and from the caller
   and for communication between successive calls to `getopt'.
   and for communication between successive calls to `getopt'.
 
 
   On entry to `getopt', zero means this is the first call; initialize.
   On entry to `getopt', zero means this is the first call; initialize.
 
 
   When `getopt' returns -1, this is the index of the first of the
   When `getopt' returns -1, this is the index of the first of the
   non-option elements that the caller should itself scan.
   non-option elements that the caller should itself scan.
 
 
   Otherwise, `optind' communicates from one call to the next
   Otherwise, `optind' communicates from one call to the next
   how much of ARGV has been scanned so far.  */
   how much of ARGV has been scanned so far.  */
 
 
/* 1003.2 says this must be 1 before any call.  */
/* 1003.2 says this must be 1 before any call.  */
int optind = 1;
int optind = 1;
 
 
/* Formerly, initialization of getopt depended on optind==0, which
/* Formerly, initialization of getopt depended on optind==0, which
   causes problems with re-calling getopt as programs generally don't
   causes problems with re-calling getopt as programs generally don't
   know that. */
   know that. */
 
 
int __getopt_initialized = 0;
int __getopt_initialized = 0;
 
 
/* The next char to be scanned in the option-element
/* The next char to be scanned in the option-element
   in which the last option character we returned was found.
   in which the last option character we returned was found.
   This allows us to pick up the scan where we left off.
   This allows us to pick up the scan where we left off.
 
 
   If this is zero, or a null string, it means resume the scan
   If this is zero, or a null string, it means resume the scan
   by advancing to the next ARGV-element.  */
   by advancing to the next ARGV-element.  */
 
 
static char *nextchar;
static char *nextchar;
 
 
/* Callers store zero here to inhibit the error message
/* Callers store zero here to inhibit the error message
   for unrecognized options.  */
   for unrecognized options.  */
 
 
int opterr = 1;
int opterr = 1;
 
 
/* Set to an option character which was unrecognized.
/* Set to an option character which was unrecognized.
   This must be initialized on some systems to avoid linking in the
   This must be initialized on some systems to avoid linking in the
   system's own getopt implementation.  */
   system's own getopt implementation.  */
 
 
int optopt = '?';
int optopt = '?';
 
 
/* Describe how to deal with options that follow non-option ARGV-elements.
/* Describe how to deal with options that follow non-option ARGV-elements.
 
 
   If the caller did not specify anything,
   If the caller did not specify anything,
   the default is REQUIRE_ORDER if the environment variable
   the default is REQUIRE_ORDER if the environment variable
   POSIXLY_CORRECT is defined, PERMUTE otherwise.
   POSIXLY_CORRECT is defined, PERMUTE otherwise.
 
 
   REQUIRE_ORDER means don't recognize them as options;
   REQUIRE_ORDER means don't recognize them as options;
   stop option processing when the first non-option is seen.
   stop option processing when the first non-option is seen.
   This is what Unix does.
   This is what Unix does.
   This mode of operation is selected by either setting the environment
   This mode of operation is selected by either setting the environment
   variable POSIXLY_CORRECT, or using `+' as the first character
   variable POSIXLY_CORRECT, or using `+' as the first character
   of the list of option characters.
   of the list of option characters.
 
 
   PERMUTE is the default.  We permute the contents of ARGV as we scan,
   PERMUTE is the default.  We permute the contents of ARGV as we scan,
   so that eventually all the non-options are at the end.  This allows options
   so that eventually all the non-options are at the end.  This allows options
   to be given in any order, even with programs that were not written to
   to be given in any order, even with programs that were not written to
   expect this.
   expect this.
 
 
   RETURN_IN_ORDER is an option available to programs that were written
   RETURN_IN_ORDER is an option available to programs that were written
   to expect options and other ARGV-elements in any order and that care about
   to expect options and other ARGV-elements in any order and that care about
   the ordering of the two.  We describe each non-option ARGV-element
   the ordering of the two.  We describe each non-option ARGV-element
   as if it were the argument of an option with character code 1.
   as if it were the argument of an option with character code 1.
   Using `-' as the first character of the list of option characters
   Using `-' as the first character of the list of option characters
   selects this mode of operation.
   selects this mode of operation.
 
 
   The special argument `--' forces an end of option-scanning regardless
   The special argument `--' forces an end of option-scanning regardless
   of the value of `ordering'.  In the case of RETURN_IN_ORDER, only
   of the value of `ordering'.  In the case of RETURN_IN_ORDER, only
   `--' can cause `getopt' to return -1 with `optind' != ARGC.  */
   `--' can cause `getopt' to return -1 with `optind' != ARGC.  */
 
 
static enum
static enum
{
{
  REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER
  REQUIRE_ORDER, PERMUTE, RETURN_IN_ORDER
} ordering;
} ordering;
 
 
/* Value of POSIXLY_CORRECT environment variable.  */
/* Value of POSIXLY_CORRECT environment variable.  */
static char *posixly_correct;
static char *posixly_correct;


#ifdef  __GNU_LIBRARY__
#ifdef  __GNU_LIBRARY__
/* We want to avoid inclusion of string.h with non-GNU libraries
/* We want to avoid inclusion of string.h with non-GNU libraries
   because there are many ways it can cause trouble.
   because there are many ways it can cause trouble.
   On some systems, it contains special magic macros that don't work
   On some systems, it contains special magic macros that don't work
   in GCC.  */
   in GCC.  */
# include <string.h>
# include <string.h>
# define my_index       strchr
# define my_index       strchr
#else
#else
 
 
# if HAVE_STRING_H
# if HAVE_STRING_H
#  include <string.h>
#  include <string.h>
# else
# else
#  if HAVE_STRINGS_H
#  if HAVE_STRINGS_H
#   include <strings.h>
#   include <strings.h>
#  endif
#  endif
# endif
# endif
 
 
/* Avoid depending on library functions or files
/* Avoid depending on library functions or files
   whose names are inconsistent.  */
   whose names are inconsistent.  */
 
 
#if HAVE_STDLIB_H && HAVE_DECL_GETENV
#if HAVE_STDLIB_H && HAVE_DECL_GETENV
#  include <stdlib.h>
#  include <stdlib.h>
#elif !defined(getenv)
#elif !defined(getenv)
#  ifdef __cplusplus
#  ifdef __cplusplus
extern "C" {
extern "C" {
#  endif /* __cplusplus */
#  endif /* __cplusplus */
extern char *getenv (const char *);
extern char *getenv (const char *);
#  ifdef __cplusplus
#  ifdef __cplusplus
}
}
#  endif /* __cplusplus */
#  endif /* __cplusplus */
#endif
#endif
 
 
static char *
static char *
my_index (const char *str, int chr)
my_index (const char *str, int chr)
{
{
  while (*str)
  while (*str)
    {
    {
      if (*str == chr)
      if (*str == chr)
        return (char *) str;
        return (char *) str;
      str++;
      str++;
    }
    }
  return 0;
  return 0;
}
}
 
 
/* If using GCC, we can safely declare strlen this way.
/* If using GCC, we can safely declare strlen this way.
   If not using GCC, it is ok not to declare it.  */
   If not using GCC, it is ok not to declare it.  */
#ifdef __GNUC__
#ifdef __GNUC__
/* Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h.
/* Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h.
   That was relevant to code that was here before.  */
   That was relevant to code that was here before.  */
# if (!defined __STDC__ || !__STDC__) && !defined strlen
# if (!defined __STDC__ || !__STDC__) && !defined strlen
/* gcc with -traditional declares the built-in strlen to return int,
/* gcc with -traditional declares the built-in strlen to return int,
   and has done so at least since version 2.4.5. -- rms.  */
   and has done so at least since version 2.4.5. -- rms.  */
extern int strlen (const char *);
extern int strlen (const char *);
# endif /* not __STDC__ */
# endif /* not __STDC__ */
#endif /* __GNUC__ */
#endif /* __GNUC__ */
 
 
#endif /* not __GNU_LIBRARY__ */
#endif /* not __GNU_LIBRARY__ */


/* Handle permutation of arguments.  */
/* Handle permutation of arguments.  */
 
 
/* Describe the part of ARGV that contains non-options that have
/* Describe the part of ARGV that contains non-options that have
   been skipped.  `first_nonopt' is the index in ARGV of the first of them;
   been skipped.  `first_nonopt' is the index in ARGV of the first of them;
   `last_nonopt' is the index after the last of them.  */
   `last_nonopt' is the index after the last of them.  */
 
 
static int first_nonopt;
static int first_nonopt;
static int last_nonopt;
static int last_nonopt;
 
 
#ifdef _LIBC
#ifdef _LIBC
/* Bash 2.0 gives us an environment variable containing flags
/* Bash 2.0 gives us an environment variable containing flags
   indicating ARGV elements that should not be considered arguments.  */
   indicating ARGV elements that should not be considered arguments.  */
 
 
/* Defined in getopt_init.c  */
/* Defined in getopt_init.c  */
extern char *__getopt_nonoption_flags;
extern char *__getopt_nonoption_flags;
 
 
static int nonoption_flags_max_len;
static int nonoption_flags_max_len;
static int nonoption_flags_len;
static int nonoption_flags_len;
 
 
static int original_argc;
static int original_argc;
static char *const *original_argv;
static char *const *original_argv;
 
 
/* Make sure the environment variable bash 2.0 puts in the environment
/* Make sure the environment variable bash 2.0 puts in the environment
   is valid for the getopt call we must make sure that the ARGV passed
   is valid for the getopt call we must make sure that the ARGV passed
   to getopt is that one passed to the process.  */
   to getopt is that one passed to the process.  */
static void
static void
__attribute__ ((unused))
__attribute__ ((unused))
store_args_and_env (int argc, char *const *argv)
store_args_and_env (int argc, char *const *argv)
{
{
  /* XXX This is no good solution.  We should rather copy the args so
  /* XXX This is no good solution.  We should rather copy the args so
     that we can compare them later.  But we must not use malloc(3).  */
     that we can compare them later.  But we must not use malloc(3).  */
  original_argc = argc;
  original_argc = argc;
  original_argv = argv;
  original_argv = argv;
}
}
# ifdef text_set_element
# ifdef text_set_element
text_set_element (__libc_subinit, store_args_and_env);
text_set_element (__libc_subinit, store_args_and_env);
# endif /* text_set_element */
# endif /* text_set_element */
 
 
# define SWAP_FLAGS(ch1, ch2) \
# define SWAP_FLAGS(ch1, ch2) \
  if (nonoption_flags_len > 0)                                                 \
  if (nonoption_flags_len > 0)                                                 \
    {                                                                         \
    {                                                                         \
      char __tmp = __getopt_nonoption_flags[ch1];                             \
      char __tmp = __getopt_nonoption_flags[ch1];                             \
      __getopt_nonoption_flags[ch1] = __getopt_nonoption_flags[ch2];          \
      __getopt_nonoption_flags[ch1] = __getopt_nonoption_flags[ch2];          \
      __getopt_nonoption_flags[ch2] = __tmp;                                  \
      __getopt_nonoption_flags[ch2] = __tmp;                                  \
    }
    }
#else   /* !_LIBC */
#else   /* !_LIBC */
# define SWAP_FLAGS(ch1, ch2)
# define SWAP_FLAGS(ch1, ch2)
#endif  /* _LIBC */
#endif  /* _LIBC */
 
 
/* Exchange two adjacent subsequences of ARGV.
/* Exchange two adjacent subsequences of ARGV.
   One subsequence is elements [first_nonopt,last_nonopt)
   One subsequence is elements [first_nonopt,last_nonopt)
   which contains all the non-options that have been skipped so far.
   which contains all the non-options that have been skipped so far.
   The other is elements [last_nonopt,optind), which contains all
   The other is elements [last_nonopt,optind), which contains all
   the options processed since those non-options were skipped.
   the options processed since those non-options were skipped.
 
 
   `first_nonopt' and `last_nonopt' are relocated so that they describe
   `first_nonopt' and `last_nonopt' are relocated so that they describe
   the new indices of the non-options in ARGV after they are moved.  */
   the new indices of the non-options in ARGV after they are moved.  */
 
 
#if defined __STDC__ && __STDC__
#if defined __STDC__ && __STDC__
static void exchange (char **);
static void exchange (char **);
#endif
#endif
 
 
static void
static void
exchange (char **argv)
exchange (char **argv)
{
{
  int bottom = first_nonopt;
  int bottom = first_nonopt;
  int middle = last_nonopt;
  int middle = last_nonopt;
  int top = optind;
  int top = optind;
  char *tem;
  char *tem;
 
 
  /* Exchange the shorter segment with the far end of the longer segment.
  /* Exchange the shorter segment with the far end of the longer segment.
     That puts the shorter segment into the right place.
     That puts the shorter segment into the right place.
     It leaves the longer segment in the right place overall,
     It leaves the longer segment in the right place overall,
     but it consists of two parts that need to be swapped next.  */
     but it consists of two parts that need to be swapped next.  */
 
 
#ifdef _LIBC
#ifdef _LIBC
  /* First make sure the handling of the `__getopt_nonoption_flags'
  /* First make sure the handling of the `__getopt_nonoption_flags'
     string can work normally.  Our top argument must be in the range
     string can work normally.  Our top argument must be in the range
     of the string.  */
     of the string.  */
  if (nonoption_flags_len > 0 && top >= nonoption_flags_max_len)
  if (nonoption_flags_len > 0 && top >= nonoption_flags_max_len)
    {
    {
      /* We must extend the array.  The user plays games with us and
      /* We must extend the array.  The user plays games with us and
         presents new arguments.  */
         presents new arguments.  */
      char *new_str = (char *) malloc (top + 1);
      char *new_str = (char *) malloc (top + 1);
      if (new_str == NULL)
      if (new_str == NULL)
        nonoption_flags_len = nonoption_flags_max_len = 0;
        nonoption_flags_len = nonoption_flags_max_len = 0;
      else
      else
        {
        {
          memset (mempcpy (new_str, __getopt_nonoption_flags,
          memset (mempcpy (new_str, __getopt_nonoption_flags,
                           nonoption_flags_max_len),
                           nonoption_flags_max_len),
                  '\0', top + 1 - nonoption_flags_max_len);
                  '\0', top + 1 - nonoption_flags_max_len);
          nonoption_flags_max_len = top + 1;
          nonoption_flags_max_len = top + 1;
          __getopt_nonoption_flags = new_str;
          __getopt_nonoption_flags = new_str;
        }
        }
    }
    }
#endif
#endif
 
 
  while (top > middle && middle > bottom)
  while (top > middle && middle > bottom)
    {
    {
      if (top - middle > middle - bottom)
      if (top - middle > middle - bottom)
        {
        {
          /* Bottom segment is the short one.  */
          /* Bottom segment is the short one.  */
          int len = middle - bottom;
          int len = middle - bottom;
          register int i;
          register int i;
 
 
          /* Swap it with the top part of the top segment.  */
          /* Swap it with the top part of the top segment.  */
          for (i = 0; i < len; i++)
          for (i = 0; i < len; i++)
            {
            {
              tem = argv[bottom + i];
              tem = argv[bottom + i];
              argv[bottom + i] = argv[top - (middle - bottom) + i];
              argv[bottom + i] = argv[top - (middle - bottom) + i];
              argv[top - (middle - bottom) + i] = tem;
              argv[top - (middle - bottom) + i] = tem;
              SWAP_FLAGS (bottom + i, top - (middle - bottom) + i);
              SWAP_FLAGS (bottom + i, top - (middle - bottom) + i);
            }
            }
          /* Exclude the moved bottom segment from further swapping.  */
          /* Exclude the moved bottom segment from further swapping.  */
          top -= len;
          top -= len;
        }
        }
      else
      else
        {
        {
          /* Top segment is the short one.  */
          /* Top segment is the short one.  */
          int len = top - middle;
          int len = top - middle;
          register int i;
          register int i;
 
 
          /* Swap it with the bottom part of the bottom segment.  */
          /* Swap it with the bottom part of the bottom segment.  */
          for (i = 0; i < len; i++)
          for (i = 0; i < len; i++)
            {
            {
              tem = argv[bottom + i];
              tem = argv[bottom + i];
              argv[bottom + i] = argv[middle + i];
              argv[bottom + i] = argv[middle + i];
              argv[middle + i] = tem;
              argv[middle + i] = tem;
              SWAP_FLAGS (bottom + i, middle + i);
              SWAP_FLAGS (bottom + i, middle + i);
            }
            }
          /* Exclude the moved top segment from further swapping.  */
          /* Exclude the moved top segment from further swapping.  */
          bottom += len;
          bottom += len;
        }
        }
    }
    }
 
 
  /* Update records for the slots the non-options now occupy.  */
  /* Update records for the slots the non-options now occupy.  */
 
 
  first_nonopt += (optind - last_nonopt);
  first_nonopt += (optind - last_nonopt);
  last_nonopt = optind;
  last_nonopt = optind;
}
}
 
 
/* Initialize the internal data when the first call is made.  */
/* Initialize the internal data when the first call is made.  */
 
 
#if defined __STDC__ && __STDC__
#if defined __STDC__ && __STDC__
static const char *_getopt_initialize (int, char *const *, const char *);
static const char *_getopt_initialize (int, char *const *, const char *);
#endif
#endif
static const char *
static const char *
_getopt_initialize (int argc ATTRIBUTE_UNUSED,
_getopt_initialize (int argc ATTRIBUTE_UNUSED,
                    char *const *argv ATTRIBUTE_UNUSED,
                    char *const *argv ATTRIBUTE_UNUSED,
                    const char *optstring)
                    const char *optstring)
{
{
  /* Start processing options with ARGV-element 1 (since ARGV-element 0
  /* Start processing options with ARGV-element 1 (since ARGV-element 0
     is the program name); the sequence of previously skipped
     is the program name); the sequence of previously skipped
     non-option ARGV-elements is empty.  */
     non-option ARGV-elements is empty.  */
 
 
  first_nonopt = last_nonopt = optind;
  first_nonopt = last_nonopt = optind;
 
 
  nextchar = NULL;
  nextchar = NULL;
 
 
  posixly_correct = getenv ("POSIXLY_CORRECT");
  posixly_correct = getenv ("POSIXLY_CORRECT");
 
 
  /* Determine how to handle the ordering of options and nonoptions.  */
  /* Determine how to handle the ordering of options and nonoptions.  */
 
 
  if (optstring[0] == '-')
  if (optstring[0] == '-')
    {
    {
      ordering = RETURN_IN_ORDER;
      ordering = RETURN_IN_ORDER;
      ++optstring;
      ++optstring;
    }
    }
  else if (optstring[0] == '+')
  else if (optstring[0] == '+')
    {
    {
      ordering = REQUIRE_ORDER;
      ordering = REQUIRE_ORDER;
      ++optstring;
      ++optstring;
    }
    }
  else if (posixly_correct != NULL)
  else if (posixly_correct != NULL)
    ordering = REQUIRE_ORDER;
    ordering = REQUIRE_ORDER;
  else
  else
    ordering = PERMUTE;
    ordering = PERMUTE;
 
 
#ifdef _LIBC
#ifdef _LIBC
  if (posixly_correct == NULL
  if (posixly_correct == NULL
      && argc == original_argc && argv == original_argv)
      && argc == original_argc && argv == original_argv)
    {
    {
      if (nonoption_flags_max_len == 0)
      if (nonoption_flags_max_len == 0)
        {
        {
          if (__getopt_nonoption_flags == NULL
          if (__getopt_nonoption_flags == NULL
              || __getopt_nonoption_flags[0] == '\0')
              || __getopt_nonoption_flags[0] == '\0')
            nonoption_flags_max_len = -1;
            nonoption_flags_max_len = -1;
          else
          else
            {
            {
              const char *orig_str = __getopt_nonoption_flags;
              const char *orig_str = __getopt_nonoption_flags;
              int len = nonoption_flags_max_len = strlen (orig_str);
              int len = nonoption_flags_max_len = strlen (orig_str);
              if (nonoption_flags_max_len < argc)
              if (nonoption_flags_max_len < argc)
                nonoption_flags_max_len = argc;
                nonoption_flags_max_len = argc;
              __getopt_nonoption_flags =
              __getopt_nonoption_flags =
                (char *) malloc (nonoption_flags_max_len);
                (char *) malloc (nonoption_flags_max_len);
              if (__getopt_nonoption_flags == NULL)
              if (__getopt_nonoption_flags == NULL)
                nonoption_flags_max_len = -1;
                nonoption_flags_max_len = -1;
              else
              else
                memset (mempcpy (__getopt_nonoption_flags, orig_str, len),
                memset (mempcpy (__getopt_nonoption_flags, orig_str, len),
                        '\0', nonoption_flags_max_len - len);
                        '\0', nonoption_flags_max_len - len);
            }
            }
        }
        }
      nonoption_flags_len = nonoption_flags_max_len;
      nonoption_flags_len = nonoption_flags_max_len;
    }
    }
  else
  else
    nonoption_flags_len = 0;
    nonoption_flags_len = 0;
#endif
#endif
 
 
  return optstring;
  return optstring;
}
}


/* Scan elements of ARGV (whose length is ARGC) for option characters
/* Scan elements of ARGV (whose length is ARGC) for option characters
   given in OPTSTRING.
   given in OPTSTRING.
 
 
   If an element of ARGV starts with '-', and is not exactly "-" or "--",
   If an element of ARGV starts with '-', and is not exactly "-" or "--",
   then it is an option element.  The characters of this element
   then it is an option element.  The characters of this element
   (aside from the initial '-') are option characters.  If `getopt'
   (aside from the initial '-') are option characters.  If `getopt'
   is called repeatedly, it returns successively each of the option characters
   is called repeatedly, it returns successively each of the option characters
   from each of the option elements.
   from each of the option elements.
 
 
   If `getopt' finds another option character, it returns that character,
   If `getopt' finds another option character, it returns that character,
   updating `optind' and `nextchar' so that the next call to `getopt' can
   updating `optind' and `nextchar' so that the next call to `getopt' can
   resume the scan with the following option character or ARGV-element.
   resume the scan with the following option character or ARGV-element.
 
 
   If there are no more option characters, `getopt' returns -1.
   If there are no more option characters, `getopt' returns -1.
   Then `optind' is the index in ARGV of the first ARGV-element
   Then `optind' is the index in ARGV of the first ARGV-element
   that is not an option.  (The ARGV-elements have been permuted
   that is not an option.  (The ARGV-elements have been permuted
   so that those that are not options now come last.)
   so that those that are not options now come last.)
 
 
   OPTSTRING is a string containing the legitimate option characters.
   OPTSTRING is a string containing the legitimate option characters.
   If an option character is seen that is not listed in OPTSTRING,
   If an option character is seen that is not listed in OPTSTRING,
   return '?' after printing an error message.  If you set `opterr' to
   return '?' after printing an error message.  If you set `opterr' to
   zero, the error message is suppressed but we still return '?'.
   zero, the error message is suppressed but we still return '?'.
 
 
   If a char in OPTSTRING is followed by a colon, that means it wants an arg,
   If a char in OPTSTRING is followed by a colon, that means it wants an arg,
   so the following text in the same ARGV-element, or the text of the following
   so the following text in the same ARGV-element, or the text of the following
   ARGV-element, is returned in `optarg'.  Two colons mean an option that
   ARGV-element, is returned in `optarg'.  Two colons mean an option that
   wants an optional arg; if there is text in the current ARGV-element,
   wants an optional arg; if there is text in the current ARGV-element,
   it is returned in `optarg', otherwise `optarg' is set to zero.
   it is returned in `optarg', otherwise `optarg' is set to zero.
 
 
   If OPTSTRING starts with `-' or `+', it requests different methods of
   If OPTSTRING starts with `-' or `+', it requests different methods of
   handling the non-option ARGV-elements.
   handling the non-option ARGV-elements.
   See the comments about RETURN_IN_ORDER and REQUIRE_ORDER, above.
   See the comments about RETURN_IN_ORDER and REQUIRE_ORDER, above.
 
 
   Long-named options begin with `--' instead of `-'.
   Long-named options begin with `--' instead of `-'.
   Their names may be abbreviated as long as the abbreviation is unique
   Their names may be abbreviated as long as the abbreviation is unique
   or is an exact match for some defined option.  If they have an
   or is an exact match for some defined option.  If they have an
   argument, it follows the option name in the same ARGV-element, separated
   argument, it follows the option name in the same ARGV-element, separated
   from the option name by a `=', or else the in next ARGV-element.
   from the option name by a `=', or else the in next ARGV-element.
   When `getopt' finds a long-named option, it returns 0 if that option's
   When `getopt' finds a long-named option, it returns 0 if that option's
   `flag' field is nonzero, the value of the option's `val' field
   `flag' field is nonzero, the value of the option's `val' field
   if the `flag' field is zero.
   if the `flag' field is zero.
 
 
   The elements of ARGV aren't really const, because we permute them.
   The elements of ARGV aren't really const, because we permute them.
   But we pretend they're const in the prototype to be compatible
   But we pretend they're const in the prototype to be compatible
   with other systems.
   with other systems.
 
 
   LONGOPTS is a vector of `struct option' terminated by an
   LONGOPTS is a vector of `struct option' terminated by an
   element containing a name which is zero.
   element containing a name which is zero.
 
 
   LONGIND returns the index in LONGOPT of the long-named option found.
   LONGIND returns the index in LONGOPT of the long-named option found.
   It is only valid when a long-named option has been found by the most
   It is only valid when a long-named option has been found by the most
   recent call.
   recent call.
 
 
   If LONG_ONLY is nonzero, '-' as well as '--' can introduce
   If LONG_ONLY is nonzero, '-' as well as '--' can introduce
   long-named options.  */
   long-named options.  */
 
 
int
int
_getopt_internal (int argc, char *const *argv, const char *optstring,
_getopt_internal (int argc, char *const *argv, const char *optstring,
                  const struct option *longopts,
                  const struct option *longopts,
                  int *longind, int long_only)
                  int *longind, int long_only)
{
{
  optarg = NULL;
  optarg = NULL;
 
 
  if (optind == 0 || !__getopt_initialized)
  if (optind == 0 || !__getopt_initialized)
    {
    {
      if (optind == 0)
      if (optind == 0)
        optind = 1;     /* Don't scan ARGV[0], the program name.  */
        optind = 1;     /* Don't scan ARGV[0], the program name.  */
      optstring = _getopt_initialize (argc, argv, optstring);
      optstring = _getopt_initialize (argc, argv, optstring);
      __getopt_initialized = 1;
      __getopt_initialized = 1;
    }
    }
 
 
  /* Test whether ARGV[optind] points to a non-option argument.
  /* Test whether ARGV[optind] points to a non-option argument.
     Either it does not have option syntax, or there is an environment flag
     Either it does not have option syntax, or there is an environment flag
     from the shell indicating it is not an option.  The later information
     from the shell indicating it is not an option.  The later information
     is only used when the used in the GNU libc.  */
     is only used when the used in the GNU libc.  */
#ifdef _LIBC
#ifdef _LIBC
# define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0'       \
# define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0'       \
                      || (optind < nonoption_flags_len                        \
                      || (optind < nonoption_flags_len                        \
                          && __getopt_nonoption_flags[optind] == '1'))
                          && __getopt_nonoption_flags[optind] == '1'))
#else
#else
# define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0')
# define NONOPTION_P (argv[optind][0] != '-' || argv[optind][1] == '\0')
#endif
#endif
 
 
  if (nextchar == NULL || *nextchar == '\0')
  if (nextchar == NULL || *nextchar == '\0')
    {
    {
      /* Advance to the next ARGV-element.  */
      /* Advance to the next ARGV-element.  */
 
 
      /* Give FIRST_NONOPT & LAST_NONOPT rational values if OPTIND has been
      /* Give FIRST_NONOPT & LAST_NONOPT rational values if OPTIND has been
         moved back by the user (who may also have changed the arguments).  */
         moved back by the user (who may also have changed the arguments).  */
      if (last_nonopt > optind)
      if (last_nonopt > optind)
        last_nonopt = optind;
        last_nonopt = optind;
      if (first_nonopt > optind)
      if (first_nonopt > optind)
        first_nonopt = optind;
        first_nonopt = optind;
 
 
      if (ordering == PERMUTE)
      if (ordering == PERMUTE)
        {
        {
          /* If we have just processed some options following some non-options,
          /* If we have just processed some options following some non-options,
             exchange them so that the options come first.  */
             exchange them so that the options come first.  */
 
 
          if (first_nonopt != last_nonopt && last_nonopt != optind)
          if (first_nonopt != last_nonopt && last_nonopt != optind)
            exchange ((char **) argv);
            exchange ((char **) argv);
          else if (last_nonopt != optind)
          else if (last_nonopt != optind)
            first_nonopt = optind;
            first_nonopt = optind;
 
 
          /* Skip any additional non-options
          /* Skip any additional non-options
             and extend the range of non-options previously skipped.  */
             and extend the range of non-options previously skipped.  */
 
 
          while (optind < argc && NONOPTION_P)
          while (optind < argc && NONOPTION_P)
            optind++;
            optind++;
          last_nonopt = optind;
          last_nonopt = optind;
        }
        }
 
 
      /* The special ARGV-element `--' means premature end of options.
      /* The special ARGV-element `--' means premature end of options.
         Skip it like a null option,
         Skip it like a null option,
         then exchange with previous non-options as if it were an option,
         then exchange with previous non-options as if it were an option,
         then skip everything else like a non-option.  */
         then skip everything else like a non-option.  */
 
 
      if (optind != argc && !strcmp (argv[optind], "--"))
      if (optind != argc && !strcmp (argv[optind], "--"))
        {
        {
          optind++;
          optind++;
 
 
          if (first_nonopt != last_nonopt && last_nonopt != optind)
          if (first_nonopt != last_nonopt && last_nonopt != optind)
            exchange ((char **) argv);
            exchange ((char **) argv);
          else if (first_nonopt == last_nonopt)
          else if (first_nonopt == last_nonopt)
            first_nonopt = optind;
            first_nonopt = optind;
          last_nonopt = argc;
          last_nonopt = argc;
 
 
          optind = argc;
          optind = argc;
        }
        }
 
 
      /* If we have done all the ARGV-elements, stop the scan
      /* If we have done all the ARGV-elements, stop the scan
         and back over any non-options that we skipped and permuted.  */
         and back over any non-options that we skipped and permuted.  */
 
 
      if (optind == argc)
      if (optind == argc)
        {
        {
          /* Set the next-arg-index to point at the non-options
          /* Set the next-arg-index to point at the non-options
             that we previously skipped, so the caller will digest them.  */
             that we previously skipped, so the caller will digest them.  */
          if (first_nonopt != last_nonopt)
          if (first_nonopt != last_nonopt)
            optind = first_nonopt;
            optind = first_nonopt;
          return -1;
          return -1;
        }
        }
 
 
      /* If we have come to a non-option and did not permute it,
      /* If we have come to a non-option and did not permute it,
         either stop the scan or describe it to the caller and pass it by.  */
         either stop the scan or describe it to the caller and pass it by.  */
 
 
      if (NONOPTION_P)
      if (NONOPTION_P)
        {
        {
          if (ordering == REQUIRE_ORDER)
          if (ordering == REQUIRE_ORDER)
            return -1;
            return -1;
          optarg = argv[optind++];
          optarg = argv[optind++];
          return 1;
          return 1;
        }
        }
 
 
      /* We have found another option-ARGV-element.
      /* We have found another option-ARGV-element.
         Skip the initial punctuation.  */
         Skip the initial punctuation.  */
 
 
      nextchar = (argv[optind] + 1
      nextchar = (argv[optind] + 1
                  + (longopts != NULL && argv[optind][1] == '-'));
                  + (longopts != NULL && argv[optind][1] == '-'));
    }
    }
 
 
  /* Decode the current option-ARGV-element.  */
  /* Decode the current option-ARGV-element.  */
 
 
  /* Check whether the ARGV-element is a long option.
  /* Check whether the ARGV-element is a long option.
 
 
     If long_only and the ARGV-element has the form "-f", where f is
     If long_only and the ARGV-element has the form "-f", where f is
     a valid short option, don't consider it an abbreviated form of
     a valid short option, don't consider it an abbreviated form of
     a long option that starts with f.  Otherwise there would be no
     a long option that starts with f.  Otherwise there would be no
     way to give the -f short option.
     way to give the -f short option.
 
 
     On the other hand, if there's a long option "fubar" and
     On the other hand, if there's a long option "fubar" and
     the ARGV-element is "-fu", do consider that an abbreviation of
     the ARGV-element is "-fu", do consider that an abbreviation of
     the long option, just like "--fu", and not "-f" with arg "u".
     the long option, just like "--fu", and not "-f" with arg "u".
 
 
     This distinction seems to be the most useful approach.  */
     This distinction seems to be the most useful approach.  */
 
 
  if (longopts != NULL
  if (longopts != NULL
      && (argv[optind][1] == '-'
      && (argv[optind][1] == '-'
          || (long_only && (argv[optind][2] || !my_index (optstring, argv[optind][1])))))
          || (long_only && (argv[optind][2] || !my_index (optstring, argv[optind][1])))))
    {
    {
      char *nameend;
      char *nameend;
      const struct option *p;
      const struct option *p;
      const struct option *pfound = NULL;
      const struct option *pfound = NULL;
      int exact = 0;
      int exact = 0;
      int ambig = 0;
      int ambig = 0;
      int indfound = -1;
      int indfound = -1;
      int option_index;
      int option_index;
 
 
      for (nameend = nextchar; *nameend && *nameend != '='; nameend++)
      for (nameend = nextchar; *nameend && *nameend != '='; nameend++)
        /* Do nothing.  */ ;
        /* Do nothing.  */ ;
 
 
      /* Test all long options for either exact match
      /* Test all long options for either exact match
         or abbreviated matches.  */
         or abbreviated matches.  */
      for (p = longopts, option_index = 0; p->name; p++, option_index++)
      for (p = longopts, option_index = 0; p->name; p++, option_index++)
        if (!strncmp (p->name, nextchar, nameend - nextchar))
        if (!strncmp (p->name, nextchar, nameend - nextchar))
          {
          {
            if ((unsigned int) (nameend - nextchar)
            if ((unsigned int) (nameend - nextchar)
                == (unsigned int) strlen (p->name))
                == (unsigned int) strlen (p->name))
              {
              {
                /* Exact match found.  */
                /* Exact match found.  */
                pfound = p;
                pfound = p;
                indfound = option_index;
                indfound = option_index;
                exact = 1;
                exact = 1;
                break;
                break;
              }
              }
            else if (pfound == NULL)
            else if (pfound == NULL)
              {
              {
                /* First nonexact match found.  */
                /* First nonexact match found.  */
                pfound = p;
                pfound = p;
                indfound = option_index;
                indfound = option_index;
              }
              }
            else
            else
              /* Second or later nonexact match found.  */
              /* Second or later nonexact match found.  */
              ambig = 1;
              ambig = 1;
          }
          }
 
 
      if (ambig && !exact)
      if (ambig && !exact)
        {
        {
          if (opterr)
          if (opterr)
            fprintf (stderr, _("%s: option `%s' is ambiguous\n"),
            fprintf (stderr, _("%s: option `%s' is ambiguous\n"),
                     argv[0], argv[optind]);
                     argv[0], argv[optind]);
          nextchar += strlen (nextchar);
          nextchar += strlen (nextchar);
          optind++;
          optind++;
          optopt = 0;
          optopt = 0;
          return '?';
          return '?';
        }
        }
 
 
      if (pfound != NULL)
      if (pfound != NULL)
        {
        {
          option_index = indfound;
          option_index = indfound;
          optind++;
          optind++;
          if (*nameend)
          if (*nameend)
            {
            {
              /* Don't test has_arg with >, because some C compilers don't
              /* Don't test has_arg with >, because some C compilers don't
                 allow it to be used on enums.  */
                 allow it to be used on enums.  */
              if (pfound->has_arg)
              if (pfound->has_arg)
                optarg = nameend + 1;
                optarg = nameend + 1;
              else
              else
                {
                {
                  if (opterr)
                  if (opterr)
                    {
                    {
                      if (argv[optind - 1][1] == '-')
                      if (argv[optind - 1][1] == '-')
                        /* --option */
                        /* --option */
                        fprintf (stderr,
                        fprintf (stderr,
                                 _("%s: option `--%s' doesn't allow an argument\n"),
                                 _("%s: option `--%s' doesn't allow an argument\n"),
                                 argv[0], pfound->name);
                                 argv[0], pfound->name);
                      else
                      else
                        /* +option or -option */
                        /* +option or -option */
                        fprintf (stderr,
                        fprintf (stderr,
                                 _("%s: option `%c%s' doesn't allow an argument\n"),
                                 _("%s: option `%c%s' doesn't allow an argument\n"),
                                 argv[0], argv[optind - 1][0], pfound->name);
                                 argv[0], argv[optind - 1][0], pfound->name);
 
 
                      nextchar += strlen (nextchar);
                      nextchar += strlen (nextchar);
 
 
                      optopt = pfound->val;
                      optopt = pfound->val;
                      return '?';
                      return '?';
                    }
                    }
                }
                }
            }
            }
          else if (pfound->has_arg == 1)
          else if (pfound->has_arg == 1)
            {
            {
              if (optind < argc)
              if (optind < argc)
                optarg = argv[optind++];
                optarg = argv[optind++];
              else
              else
                {
                {
                  if (opterr)
                  if (opterr)
                    fprintf (stderr,
                    fprintf (stderr,
                           _("%s: option `%s' requires an argument\n"),
                           _("%s: option `%s' requires an argument\n"),
                           argv[0], argv[optind - 1]);
                           argv[0], argv[optind - 1]);
                  nextchar += strlen (nextchar);
                  nextchar += strlen (nextchar);
                  optopt = pfound->val;
                  optopt = pfound->val;
                  return optstring[0] == ':' ? ':' : '?';
                  return optstring[0] == ':' ? ':' : '?';
                }
                }
            }
            }
          nextchar += strlen (nextchar);
          nextchar += strlen (nextchar);
          if (longind != NULL)
          if (longind != NULL)
            *longind = option_index;
            *longind = option_index;
          if (pfound->flag)
          if (pfound->flag)
            {
            {
              *(pfound->flag) = pfound->val;
              *(pfound->flag) = pfound->val;
              return 0;
              return 0;
            }
            }
          return pfound->val;
          return pfound->val;
        }
        }
 
 
      /* Can't find it as a long option.  If this is not getopt_long_only,
      /* Can't find it as a long option.  If this is not getopt_long_only,
         or the option starts with '--' or is not a valid short
         or the option starts with '--' or is not a valid short
         option, then it's an error.
         option, then it's an error.
         Otherwise interpret it as a short option.  */
         Otherwise interpret it as a short option.  */
      if (!long_only || argv[optind][1] == '-'
      if (!long_only || argv[optind][1] == '-'
          || my_index (optstring, *nextchar) == NULL)
          || my_index (optstring, *nextchar) == NULL)
        {
        {
          if (opterr)
          if (opterr)
            {
            {
              if (argv[optind][1] == '-')
              if (argv[optind][1] == '-')
                /* --option */
                /* --option */
                fprintf (stderr, _("%s: unrecognized option `--%s'\n"),
                fprintf (stderr, _("%s: unrecognized option `--%s'\n"),
                         argv[0], nextchar);
                         argv[0], nextchar);
              else
              else
                /* +option or -option */
                /* +option or -option */
                fprintf (stderr, _("%s: unrecognized option `%c%s'\n"),
                fprintf (stderr, _("%s: unrecognized option `%c%s'\n"),
                         argv[0], argv[optind][0], nextchar);
                         argv[0], argv[optind][0], nextchar);
            }
            }
          nextchar = (char *) "";
          nextchar = (char *) "";
          optind++;
          optind++;
          optopt = 0;
          optopt = 0;
          return '?';
          return '?';
        }
        }
    }
    }
 
 
  /* Look at and handle the next short option-character.  */
  /* Look at and handle the next short option-character.  */
 
 
  {
  {
    char c = *nextchar++;
    char c = *nextchar++;
    char *temp = my_index (optstring, c);
    char *temp = my_index (optstring, c);
 
 
    /* Increment `optind' when we start to process its last character.  */
    /* Increment `optind' when we start to process its last character.  */
    if (*nextchar == '\0')
    if (*nextchar == '\0')
      ++optind;
      ++optind;
 
 
    if (temp == NULL || c == ':')
    if (temp == NULL || c == ':')
      {
      {
        if (opterr)
        if (opterr)
          {
          {
            if (posixly_correct)
            if (posixly_correct)
              /* 1003.2 specifies the format of this message.  */
              /* 1003.2 specifies the format of this message.  */
              fprintf (stderr, _("%s: illegal option -- %c\n"),
              fprintf (stderr, _("%s: illegal option -- %c\n"),
                       argv[0], c);
                       argv[0], c);
            else
            else
              fprintf (stderr, _("%s: invalid option -- %c\n"),
              fprintf (stderr, _("%s: invalid option -- %c\n"),
                       argv[0], c);
                       argv[0], c);
          }
          }
        optopt = c;
        optopt = c;
        return '?';
        return '?';
      }
      }
    /* Convenience. Treat POSIX -W foo same as long option --foo */
    /* Convenience. Treat POSIX -W foo same as long option --foo */
    if (temp[0] == 'W' && temp[1] == ';')
    if (temp[0] == 'W' && temp[1] == ';')
      {
      {
        char *nameend;
        char *nameend;
        const struct option *p;
        const struct option *p;
        const struct option *pfound = NULL;
        const struct option *pfound = NULL;
        int exact = 0;
        int exact = 0;
        int ambig = 0;
        int ambig = 0;
        int indfound = 0;
        int indfound = 0;
        int option_index;
        int option_index;
 
 
        /* This is an option that requires an argument.  */
        /* This is an option that requires an argument.  */
        if (*nextchar != '\0')
        if (*nextchar != '\0')
          {
          {
            optarg = nextchar;
            optarg = nextchar;
            /* If we end this ARGV-element by taking the rest as an arg,
            /* If we end this ARGV-element by taking the rest as an arg,
               we must advance to the next element now.  */
               we must advance to the next element now.  */
            optind++;
            optind++;
          }
          }
        else if (optind == argc)
        else if (optind == argc)
          {
          {
            if (opterr)
            if (opterr)
              {
              {
                /* 1003.2 specifies the format of this message.  */
                /* 1003.2 specifies the format of this message.  */
                fprintf (stderr, _("%s: option requires an argument -- %c\n"),
                fprintf (stderr, _("%s: option requires an argument -- %c\n"),
                         argv[0], c);
                         argv[0], c);
              }
              }
            optopt = c;
            optopt = c;
            if (optstring[0] == ':')
            if (optstring[0] == ':')
              c = ':';
              c = ':';
            else
            else
              c = '?';
              c = '?';
            return c;
            return c;
          }
          }
        else
        else
          /* We already incremented `optind' once;
          /* We already incremented `optind' once;
             increment it again when taking next ARGV-elt as argument.  */
             increment it again when taking next ARGV-elt as argument.  */
          optarg = argv[optind++];
          optarg = argv[optind++];
 
 
        /* optarg is now the argument, see if it's in the
        /* optarg is now the argument, see if it's in the
           table of longopts.  */
           table of longopts.  */
 
 
        for (nextchar = nameend = optarg; *nameend && *nameend != '='; nameend++)
        for (nextchar = nameend = optarg; *nameend && *nameend != '='; nameend++)
          /* Do nothing.  */ ;
          /* Do nothing.  */ ;
 
 
        /* Test all long options for either exact match
        /* Test all long options for either exact match
           or abbreviated matches.  */
           or abbreviated matches.  */
        for (p = longopts, option_index = 0; p->name; p++, option_index++)
        for (p = longopts, option_index = 0; p->name; p++, option_index++)
          if (!strncmp (p->name, nextchar, nameend - nextchar))
          if (!strncmp (p->name, nextchar, nameend - nextchar))
            {
            {
              if ((unsigned int) (nameend - nextchar) == strlen (p->name))
              if ((unsigned int) (nameend - nextchar) == strlen (p->name))
                {
                {
                  /* Exact match found.  */
                  /* Exact match found.  */
                  pfound = p;
                  pfound = p;
                  indfound = option_index;
                  indfound = option_index;
                  exact = 1;
                  exact = 1;
                  break;
                  break;
                }
                }
              else if (pfound == NULL)
              else if (pfound == NULL)
                {
                {
                  /* First nonexact match found.  */
                  /* First nonexact match found.  */
                  pfound = p;
                  pfound = p;
                  indfound = option_index;
                  indfound = option_index;
                }
                }
              else
              else
                /* Second or later nonexact match found.  */
                /* Second or later nonexact match found.  */
                ambig = 1;
                ambig = 1;
            }
            }
        if (ambig && !exact)
        if (ambig && !exact)
          {
          {
            if (opterr)
            if (opterr)
              fprintf (stderr, _("%s: option `-W %s' is ambiguous\n"),
              fprintf (stderr, _("%s: option `-W %s' is ambiguous\n"),
                       argv[0], argv[optind]);
                       argv[0], argv[optind]);
            nextchar += strlen (nextchar);
            nextchar += strlen (nextchar);
            optind++;
            optind++;
            return '?';
            return '?';
          }
          }
        if (pfound != NULL)
        if (pfound != NULL)
          {
          {
            option_index = indfound;
            option_index = indfound;
            if (*nameend)
            if (*nameend)
              {
              {
                /* Don't test has_arg with >, because some C compilers don't
                /* Don't test has_arg with >, because some C compilers don't
                   allow it to be used on enums.  */
                   allow it to be used on enums.  */
                if (pfound->has_arg)
                if (pfound->has_arg)
                  optarg = nameend + 1;
                  optarg = nameend + 1;
                else
                else
                  {
                  {
                    if (opterr)
                    if (opterr)
                      fprintf (stderr, _("\
                      fprintf (stderr, _("\
%s: option `-W %s' doesn't allow an argument\n"),
%s: option `-W %s' doesn't allow an argument\n"),
                               argv[0], pfound->name);
                               argv[0], pfound->name);
 
 
                    nextchar += strlen (nextchar);
                    nextchar += strlen (nextchar);
                    return '?';
                    return '?';
                  }
                  }
              }
              }
            else if (pfound->has_arg == 1)
            else if (pfound->has_arg == 1)
              {
              {
                if (optind < argc)
                if (optind < argc)
                  optarg = argv[optind++];
                  optarg = argv[optind++];
                else
                else
                  {
                  {
                    if (opterr)
                    if (opterr)
                      fprintf (stderr,
                      fprintf (stderr,
                               _("%s: option `%s' requires an argument\n"),
                               _("%s: option `%s' requires an argument\n"),
                               argv[0], argv[optind - 1]);
                               argv[0], argv[optind - 1]);
                    nextchar += strlen (nextchar);
                    nextchar += strlen (nextchar);
                    return optstring[0] == ':' ? ':' : '?';
                    return optstring[0] == ':' ? ':' : '?';
                  }
                  }
              }
              }
            nextchar += strlen (nextchar);
            nextchar += strlen (nextchar);
            if (longind != NULL)
            if (longind != NULL)
              *longind = option_index;
              *longind = option_index;
            if (pfound->flag)
            if (pfound->flag)
              {
              {
                *(pfound->flag) = pfound->val;
                *(pfound->flag) = pfound->val;
                return 0;
                return 0;
              }
              }
            return pfound->val;
            return pfound->val;
          }
          }
          nextchar = NULL;
          nextchar = NULL;
          return 'W';   /* Let the application handle it.   */
          return 'W';   /* Let the application handle it.   */
      }
      }
    if (temp[1] == ':')
    if (temp[1] == ':')
      {
      {
        if (temp[2] == ':')
        if (temp[2] == ':')
          {
          {
            /* This is an option that accepts an argument optionally.  */
            /* This is an option that accepts an argument optionally.  */
            if (*nextchar != '\0')
            if (*nextchar != '\0')
              {
              {
                optarg = nextchar;
                optarg = nextchar;
                optind++;
                optind++;
              }
              }
            else
            else
              optarg = NULL;
              optarg = NULL;
            nextchar = NULL;
            nextchar = NULL;
          }
          }
        else
        else
          {
          {
            /* This is an option that requires an argument.  */
            /* This is an option that requires an argument.  */
            if (*nextchar != '\0')
            if (*nextchar != '\0')
              {
              {
                optarg = nextchar;
                optarg = nextchar;
                /* If we end this ARGV-element by taking the rest as an arg,
                /* If we end this ARGV-element by taking the rest as an arg,
                   we must advance to the next element now.  */
                   we must advance to the next element now.  */
                optind++;
                optind++;
              }
              }
            else if (optind == argc)
            else if (optind == argc)
              {
              {
                if (opterr)
                if (opterr)
                  {
                  {
                    /* 1003.2 specifies the format of this message.  */
                    /* 1003.2 specifies the format of this message.  */
                    fprintf (stderr,
                    fprintf (stderr,
                           _("%s: option requires an argument -- %c\n"),
                           _("%s: option requires an argument -- %c\n"),
                           argv[0], c);
                           argv[0], c);
                  }
                  }
                optopt = c;
                optopt = c;
                if (optstring[0] == ':')
                if (optstring[0] == ':')
                  c = ':';
                  c = ':';
                else
                else
                  c = '?';
                  c = '?';
              }
              }
            else
            else
              /* We already incremented `optind' once;
              /* We already incremented `optind' once;
                 increment it again when taking next ARGV-elt as argument.  */
                 increment it again when taking next ARGV-elt as argument.  */
              optarg = argv[optind++];
              optarg = argv[optind++];
            nextchar = NULL;
            nextchar = NULL;
          }
          }
      }
      }
    return c;
    return c;
  }
  }
}
}
 
 
int
int
getopt (int argc, char *const *argv, const char *optstring)
getopt (int argc, char *const *argv, const char *optstring)
{
{
  return _getopt_internal (argc, argv, optstring,
  return _getopt_internal (argc, argv, optstring,
                           (const struct option *) 0,
                           (const struct option *) 0,
                           (int *) 0,
                           (int *) 0,
                           0);
                           0);
}
}
 
 
#endif  /* Not ELIDE_CODE.  */
#endif  /* Not ELIDE_CODE.  */


#ifdef TEST
#ifdef TEST
 
 
/* Compile with -DTEST to make an executable for use in testing
/* Compile with -DTEST to make an executable for use in testing
   the above definition of `getopt'.  */
   the above definition of `getopt'.  */
 
 
int
int
main (int argc, char **argv)
main (int argc, char **argv)
{
{
  int c;
  int c;
  int digit_optind = 0;
  int digit_optind = 0;
 
 
  while (1)
  while (1)
    {
    {
      int this_option_optind = optind ? optind : 1;
      int this_option_optind = optind ? optind : 1;
 
 
      c = getopt (argc, argv, "abc:d:0123456789");
      c = getopt (argc, argv, "abc:d:0123456789");
      if (c == -1)
      if (c == -1)
        break;
        break;
 
 
      switch (c)
      switch (c)
        {
        {
        case '0':
        case '0':
        case '1':
        case '1':
        case '2':
        case '2':
        case '3':
        case '3':
        case '4':
        case '4':
        case '5':
        case '5':
        case '6':
        case '6':
        case '7':
        case '7':
        case '8':
        case '8':
        case '9':
        case '9':
          if (digit_optind != 0 && digit_optind != this_option_optind)
          if (digit_optind != 0 && digit_optind != this_option_optind)
            printf ("digits occur in two different argv-elements.\n");
            printf ("digits occur in two different argv-elements.\n");
          digit_optind = this_option_optind;
          digit_optind = this_option_optind;
          printf ("option %c\n", c);
          printf ("option %c\n", c);
          break;
          break;
 
 
        case 'a':
        case 'a':
          printf ("option a\n");
          printf ("option a\n");
          break;
          break;
 
 
        case 'b':
        case 'b':
          printf ("option b\n");
          printf ("option b\n");
          break;
          break;
 
 
        case 'c':
        case 'c':
          printf ("option c with value `%s'\n", optarg);
          printf ("option c with value `%s'\n", optarg);
          break;
          break;
 
 
        case '?':
        case '?':
          break;
          break;
 
 
        default:
        default:
          printf ("?? getopt returned character code 0%o ??\n", c);
          printf ("?? getopt returned character code 0%o ??\n", c);
        }
        }
    }
    }
 
 
  if (optind < argc)
  if (optind < argc)
    {
    {
      printf ("non-option ARGV-elements: ");
      printf ("non-option ARGV-elements: ");
      while (optind < argc)
      while (optind < argc)
        printf ("%s ", argv[optind++]);
        printf ("%s ", argv[optind++]);
      printf ("\n");
      printf ("\n");
    }
    }
 
 
  exit (0);
  exit (0);
}
}
 
 
#endif /* TEST */
#endif /* TEST */
 
 

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