Sync with the latest Gnulib code (177f525)

Signed-off-by: Thomas Guyot-Sionnest <dermoth@aei.ca>

1 files changed, 637 insertions, 638 deletions

diff --git a/gl/getopt.c b/gl/getopt.c
index f1e6d1f7..aaabc8d1 100644
--- a/gl/getopt.c
+++ b/gl/getopt.c
@@ -1,9 +1,9 @@
 /* Getopt for GNU.
-   NOTE: getopt is now part of the C library, so if you don't know what
+   NOTE: getopt is part of the C library, so if you don't know what
    "Keep this file name-space clean" means, talk to drepper@gnu.org
    before changing it!
-   Copyright (C) 1987,88,89,90,91,92,93,94,95,96,98,99,2000,2001,2002,2003,2004,2006,2008
-	Free Software Foundation, Inc.
+   Copyright (C) 1987-1996, 1998-2004, 2006, 2008-2010 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
@@ -41,12 +41,9 @@
 # include <wchar.h>
 #endif
 
-#ifndef attribute_hidden
-# define attribute_hidden
-#endif
-
-/* Unlike standard Unix `getopt', functions like `getopt_long'
-   let the user intersperse the options with the other arguments.
+/* This version of `getopt' appears to the caller like standard Unix `getopt'
+   but it behaves differently for the user, since it allows the user
+   to intersperse the options with the other arguments.
 
    As `getopt_long' works, it permutes the elements of ARGV so that,
    when it is done, all the options precede everything else.  Thus
@@ -54,7 +51,7 @@
 
    Using `getopt' or setting the environment variable POSIXLY_CORRECT
    disables permutation.
-   Then the application's behavior is completely standard.
+   Then the behavior is completely standard.
 
    GNU application programs can use a third alternative mode in which
    they can distinguish the relative order of options and other arguments.  */
@@ -121,18 +118,18 @@ extern char *__getopt_nonoption_flags;
 
 # ifdef USE_NONOPTION_FLAGS
 #  define SWAP_FLAGS(ch1, ch2) \
-  if (d->__nonoption_flags_len > 0)					      \
-    {									      \
-      char __tmp = __getopt_nonoption_flags[ch1];			      \
-      __getopt_nonoption_flags[ch1] = __getopt_nonoption_flags[ch2];	      \
-      __getopt_nonoption_flags[ch2] = __tmp;				      \
+  if (d->__nonoption_flags_len > 0)                                           \
+    {                                                                         \
+      char __tmp = __getopt_nonoption_flags[ch1];                             \
+      __getopt_nonoption_flags[ch1] = __getopt_nonoption_flags[ch2];          \
+      __getopt_nonoption_flags[ch2] = __tmp;                                  \
     }
 # else
 #  define SWAP_FLAGS(ch1, ch2)
 # endif
-#else	/* !_LIBC */
+#else   /* !_LIBC */
 # define SWAP_FLAGS(ch1, ch2)
-#endif	/* _LIBC */
+#endif  /* _LIBC */
 
 /* Exchange two adjacent subsequences of ARGV.
    One subsequence is elements [first_nonopt,last_nonopt)
@@ -163,57 +160,57 @@ exchange (char **argv, struct _getopt_data *d)
   if (d->__nonoption_flags_len > 0 && top >= d->__nonoption_flags_max_len)
     {
       /* We must extend the array.  The user plays games with us and
-	 presents new arguments.  */
+         presents new arguments.  */
       char *new_str = malloc (top + 1);
       if (new_str == NULL)
-	d->__nonoption_flags_len = d->__nonoption_flags_max_len = 0;
+        d->__nonoption_flags_len = d->__nonoption_flags_max_len = 0;
       else
-	{
-	  memset (__mempcpy (new_str, __getopt_nonoption_flags,
-			     d->__nonoption_flags_max_len),
-		  '\0', top + 1 - d->__nonoption_flags_max_len);
-	  d->__nonoption_flags_max_len = top + 1;
-	  __getopt_nonoption_flags = new_str;
-	}
+        {
+          memset (__mempcpy (new_str, __getopt_nonoption_flags,
+                             d->__nonoption_flags_max_len),
+                  '\0', top + 1 - d->__nonoption_flags_max_len);
+          d->__nonoption_flags_max_len = top + 1;
+          __getopt_nonoption_flags = new_str;
+        }
     }
 #endif
 
   while (top > middle && middle > bottom)
     {
       if (top - middle > middle - bottom)
-	{
-	  /* Bottom segment is the short one.  */
-	  int len = middle - bottom;
-	  register int i;
-
-	  /* Swap it with the top part of the top segment.  */
-	  for (i = 0; i < len; i++)
-	    {
-	      tem = argv[bottom + i];
-	      argv[bottom + i] = argv[top - (middle - bottom) + i];
-	      argv[top - (middle - bottom) + i] = tem;
-	      SWAP_FLAGS (bottom + i, top - (middle - bottom) + i);
-	    }
-	  /* Exclude the moved bottom segment from further swapping.  */
-	  top -= len;
-	}
+        {
+          /* Bottom segment is the short one.  */
+          int len = middle - bottom;
+          register int i;
+
+          /* Swap it with the top part of the top segment.  */
+          for (i = 0; i < len; i++)
+            {
+              tem = argv[bottom + i];
+              argv[bottom + i] = argv[top - (middle - bottom) + i];
+              argv[top - (middle - bottom) + i] = tem;
+              SWAP_FLAGS (bottom + i, top - (middle - bottom) + i);
+            }
+          /* Exclude the moved bottom segment from further swapping.  */
+          top -= len;
+        }
       else
-	{
-	  /* Top segment is the short one.  */
-	  int len = top - middle;
-	  register int i;
-
-	  /* Swap it with the bottom part of the bottom segment.  */
-	  for (i = 0; i < len; i++)
-	    {
-	      tem = argv[bottom + i];
-	      argv[bottom + i] = argv[middle + i];
-	      argv[middle + i] = tem;
-	      SWAP_FLAGS (bottom + i, middle + i);
-	    }
-	  /* Exclude the moved top segment from further swapping.  */
-	  bottom += len;
-	}
+        {
+          /* Top segment is the short one.  */
+          int len = top - middle;
+          register int i;
+
+          /* Swap it with the bottom part of the bottom segment.  */
+          for (i = 0; i < len; i++)
+            {
+              tem = argv[bottom + i];
+              argv[bottom + i] = argv[middle + i];
+              argv[middle + i] = tem;
+              SWAP_FLAGS (bottom + i, middle + i);
+            }
+          /* Exclude the moved top segment from further swapping.  */
+          bottom += len;
+        }
     }
 
   /* Update records for the slots the non-options now occupy.  */
@@ -225,8 +222,9 @@ exchange (char **argv, struct _getopt_data *d)
 /* Initialize the internal data when the first call is made.  */
 
 static const char *
-_getopt_initialize (int argc, char **argv, const char *optstring,
-		    int posixly_correct, struct _getopt_data *d)
+_getopt_initialize (int argc _GL_UNUSED,
+                    char **argv _GL_UNUSED, const char *optstring,
+                    struct _getopt_data *d, int posixly_correct)
 {
   /* Start processing options with ARGV-element 1 (since ARGV-element 0
      is the program name); the sequence of previously skipped
@@ -260,25 +258,25 @@ _getopt_initialize (int argc, char **argv, const char *optstring,
       && argc == __libc_argc && argv == __libc_argv)
     {
       if (d->__nonoption_flags_max_len == 0)
-	{
-	  if (__getopt_nonoption_flags == NULL
-	      || __getopt_nonoption_flags[0] == '\0')
-	    d->__nonoption_flags_max_len = -1;
-	  else
-	    {
-	      const char *orig_str = __getopt_nonoption_flags;
-	      int len = d->__nonoption_flags_max_len = strlen (orig_str);
-	      if (d->__nonoption_flags_max_len < argc)
-		d->__nonoption_flags_max_len = argc;
-	      __getopt_nonoption_flags =
-		(char *) malloc (d->__nonoption_flags_max_len);
-	      if (__getopt_nonoption_flags == NULL)
-		d->__nonoption_flags_max_len = -1;
-	      else
-		memset (__mempcpy (__getopt_nonoption_flags, orig_str, len),
-			'\0', d->__nonoption_flags_max_len - len);
-	    }
-	}
+        {
+          if (__getopt_nonoption_flags == NULL
+              || __getopt_nonoption_flags[0] == '\0')
+            d->__nonoption_flags_max_len = -1;
+          else
+            {
+              const char *orig_str = __getopt_nonoption_flags;
+              int len = d->__nonoption_flags_max_len = strlen (orig_str);
+              if (d->__nonoption_flags_max_len < argc)
+                d->__nonoption_flags_max_len = argc;
+              __getopt_nonoption_flags =
+                (char *) malloc (d->__nonoption_flags_max_len);
+              if (__getopt_nonoption_flags == NULL)
+                d->__nonoption_flags_max_len = -1;
+              else
+                memset (__mempcpy (__getopt_nonoption_flags, orig_str, len),
+                        '\0', d->__nonoption_flags_max_len - len);
+            }
+        }
       d->__nonoption_flags_len = d->__nonoption_flags_max_len;
     }
   else
@@ -330,6 +328,10 @@ _getopt_initialize (int argc, char **argv, const char *optstring,
    `flag' field is nonzero, the value of the option's `val' field
    if the `flag' field is zero.
 
+   The elements of ARGV aren't really const, because we permute them.
+   But we pretend they're const in the prototype to be compatible
+   with other systems.
+
    LONGOPTS is a vector of `struct option' terminated by an
    element containing a name which is zero.
 
@@ -338,15 +340,12 @@ _getopt_initialize (int argc, char **argv, const char *optstring,
    recent call.
 
    If LONG_ONLY is nonzero, '-' as well as '--' can introduce
-   long-named options.
-
-   If POSIXLY_CORRECT is nonzero, behave as if the POSIXLY_CORRECT
-   environment variable were set.  */
+   long-named options.  */
 
 int
 _getopt_internal_r (int argc, char **argv, const char *optstring,
-		    const struct option *longopts, int *longind,
-		    int long_only, int posixly_correct, struct _getopt_data *d)
+                    const struct option *longopts, int *longind,
+                    int long_only, struct _getopt_data *d, int posixly_correct)
 {
   int print_errors = d->opterr;
   if (optstring[0] == ':')
@@ -360,9 +359,9 @@ _getopt_internal_r (int argc, char **argv, const char *optstring,
   if (d->optind == 0 || !d->__initialized)
     {
       if (d->optind == 0)
-	d->optind = 1;	/* Don't scan ARGV[0], the program name.  */
-      optstring = _getopt_initialize (argc, argv, optstring,
-				      posixly_correct, d);
+        d->optind = 1;  /* Don't scan ARGV[0], the program name.  */
+      optstring = _getopt_initialize (argc, argv, optstring, d,
+                                      posixly_correct);
       d->__initialized = 1;
     }
 
@@ -372,8 +371,8 @@ _getopt_internal_r (int argc, char **argv, const char *optstring,
      is only used when the used in the GNU libc.  */
 #if defined _LIBC && defined USE_NONOPTION_FLAGS
 # define NONOPTION_P (argv[d->optind][0] != '-' || argv[d->optind][1] == '\0' \
-		      || (d->optind < d->__nonoption_flags_len		      \
-			  && __getopt_nonoption_flags[d->optind] == '1'))
+                      || (d->optind < d->__nonoption_flags_len                \
+                          && __getopt_nonoption_flags[d->optind] == '1'))
 #else
 # define NONOPTION_P (argv[d->optind][0] != '-' || argv[d->optind][1] == '\0')
 #endif
@@ -383,78 +382,78 @@ _getopt_internal_r (int argc, char **argv, const char *optstring,
       /* Advance to the next ARGV-element.  */
 
       /* 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 (d->__last_nonopt > d->optind)
-	d->__last_nonopt = d->optind;
+        d->__last_nonopt = d->optind;
       if (d->__first_nonopt > d->optind)
-	d->__first_nonopt = d->optind;
+        d->__first_nonopt = d->optind;
 
       if (d->__ordering == PERMUTE)
-	{
-	  /* If we have just processed some options following some non-options,
-	     exchange them so that the options come first.  */
+        {
+          /* If we have just processed some options following some non-options,
+             exchange them so that the options come first.  */
 
-	  if (d->__first_nonopt != d->__last_nonopt
-	      && d->__last_nonopt != d->optind)
-	    exchange ((char **) argv, d);
-	  else if (d->__last_nonopt != d->optind)
-	    d->__first_nonopt = d->optind;
+          if (d->__first_nonopt != d->__last_nonopt
+              && d->__last_nonopt != d->optind)
+            exchange ((char **) argv, d);
+          else if (d->__last_nonopt != d->optind)
+            d->__first_nonopt = d->optind;
 
-	  /* Skip any additional non-options
-	     and extend the range of non-options previously skipped.  */
+          /* Skip any additional non-options
+             and extend the range of non-options previously skipped.  */
 
-	  while (d->optind < argc && NONOPTION_P)
-	    d->optind++;
-	  d->__last_nonopt = d->optind;
-	}
+          while (d->optind < argc && NONOPTION_P)
+            d->optind++;
+          d->__last_nonopt = d->optind;
+        }
 
       /* The special ARGV-element `--' means premature end of options.
-	 Skip it like a null option,
-	 then exchange with previous non-options as if it were an option,
-	 then skip everything else like a non-option.  */
+         Skip it like a null option,
+         then exchange with previous non-options as if it were an option,
+         then skip everything else like a non-option.  */
 
       if (d->optind != argc && !strcmp (argv[d->optind], "--"))
-	{
-	  d->optind++;
+        {
+          d->optind++;
 
-	  if (d->__first_nonopt != d->__last_nonopt
-	      && d->__last_nonopt != d->optind)
-	    exchange ((char **) argv, d);
-	  else if (d->__first_nonopt == d->__last_nonopt)
-	    d->__first_nonopt = d->optind;
-	  d->__last_nonopt = argc;
+          if (d->__first_nonopt != d->__last_nonopt
+              && d->__last_nonopt != d->optind)
+            exchange ((char **) argv, d);
+          else if (d->__first_nonopt == d->__last_nonopt)
+            d->__first_nonopt = d->optind;
+          d->__last_nonopt = argc;
 
-	  d->optind = argc;
-	}
+          d->optind = argc;
+        }
 
       /* 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 (d->optind == argc)
-	{
-	  /* Set the next-arg-index to point at the non-options
-	     that we previously skipped, so the caller will digest them.  */
-	  if (d->__first_nonopt != d->__last_nonopt)
-	    d->optind = d->__first_nonopt;
-	  return -1;
-	}
+        {
+          /* Set the next-arg-index to point at the non-options
+             that we previously skipped, so the caller will digest them.  */
+          if (d->__first_nonopt != d->__last_nonopt)
+            d->optind = d->__first_nonopt;
+          return -1;
+        }
 
       /* 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 (d->__ordering == REQUIRE_ORDER)
-	    return -1;
-	  d->optarg = argv[d->optind++];
-	  return 1;
-	}
+        {
+          if (d->__ordering == REQUIRE_ORDER)
+            return -1;
+          d->optarg = argv[d->optind++];
+          return 1;
+        }
 
       /* We have found another option-ARGV-element.
-	 Skip the initial punctuation.  */
+         Skip the initial punctuation.  */
 
       d->__nextchar = (argv[d->optind] + 1
-		  + (longopts != NULL && argv[d->optind][1] == '-'));
+                  + (longopts != NULL && argv[d->optind][1] == '-'));
     }
 
   /* Decode the current option-ARGV-element.  */
@@ -474,8 +473,8 @@ _getopt_internal_r (int argc, char **argv, const char *optstring,
 
   if (longopts != NULL
       && (argv[d->optind][1] == '-'
-	  || (long_only && (argv[d->optind][2]
-			    || !strchr (optstring, argv[d->optind][1])))))
+          || (long_only && (argv[d->optind][2]
+                            || !strchr (optstring, argv[d->optind][1])))))
     {
       char *nameend;
       const struct option *p;
@@ -486,251 +485,251 @@ _getopt_internal_r (int argc, char **argv, const char *optstring,
       int option_index;
 
       for (nameend = d->__nextchar; *nameend && *nameend != '='; nameend++)
-	/* Do nothing.  */ ;
+        /* Do nothing.  */ ;
 
       /* 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++)
-	if (!strncmp (p->name, d->__nextchar, nameend - d->__nextchar))
-	  {
-	    if ((unsigned int) (nameend - d->__nextchar)
-		== (unsigned int) strlen (p->name))
-	      {
-		/* Exact match found.  */
-		pfound = p;
-		indfound = option_index;
-		exact = 1;
-		break;
-	      }
-	    else if (pfound == NULL)
-	      {
-		/* First nonexact match found.  */
-		pfound = p;
-		indfound = option_index;
-	      }
-	    else if (long_only
-		     || pfound->has_arg != p->has_arg
-		     || pfound->flag != p->flag
-		     || pfound->val != p->val)
-	      /* Second or later nonexact match found.  */
-	      ambig = 1;
-	  }
+        if (!strncmp (p->name, d->__nextchar, nameend - d->__nextchar))
+          {
+            if ((unsigned int) (nameend - d->__nextchar)
+                == (unsigned int) strlen (p->name))
+              {
+                /* Exact match found.  */
+                pfound = p;
+                indfound = option_index;
+                exact = 1;
+                break;
+              }
+            else if (pfound == NULL)
+              {
+                /* First nonexact match found.  */
+                pfound = p;
+                indfound = option_index;
+              }
+            else if (long_only
+                     || pfound->has_arg != p->has_arg
+                     || pfound->flag != p->flag
+                     || pfound->val != p->val)
+              /* Second or later nonexact match found.  */
+              ambig = 1;
+          }
 
       if (ambig && !exact)
-	{
-	  if (print_errors)
-	    {
+        {
+          if (print_errors)
+            {
 #if defined _LIBC && defined USE_IN_LIBIO
-	      char *buf;
+              char *buf;
 
-	      if (__asprintf (&buf, _("%s: option `%s' is ambiguous\n"),
-			      argv[0], argv[d->optind]) >= 0)
-		{
-		  _IO_flockfile (stderr);
+              if (__asprintf (&buf, _("%s: option '%s' is ambiguous\n"),
+                              argv[0], argv[d->optind]) >= 0)
+                {
+                  _IO_flockfile (stderr);
 
-		  int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
-		  ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
+                  int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
+                  ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
 
-		  __fxprintf (NULL, "%s", buf);
+                  __fxprintf (NULL, "%s", buf);
 
-		  ((_IO_FILE *) stderr)->_flags2 = old_flags2;
-		  _IO_funlockfile (stderr);
+                  ((_IO_FILE *) stderr)->_flags2 = old_flags2;
+                  _IO_funlockfile (stderr);
 
-		  free (buf);
-		}
+                  free (buf);
+                }
 #else
-	      fprintf (stderr, _("%s: option `%s' is ambiguous\n"),
-		       argv[0], argv[d->optind]);
+              fprintf (stderr, _("%s: option '%s' is ambiguous\n"),
+                       argv[0], argv[d->optind]);
 #endif
-	    }
-	  d->__nextchar += strlen (d->__nextchar);
-	  d->optind++;
-	  d->optopt = 0;
-	  return '?';
-	}
+            }
+          d->__nextchar += strlen (d->__nextchar);
+          d->optind++;
+          d->optopt = 0;
+          return '?';
+        }
 
       if (pfound != NULL)
-	{
-	  option_index = indfound;
-	  d->optind++;
-	  if (*nameend)
-	    {
-	      /* Don't test has_arg with >, because some C compilers don't
-		 allow it to be used on enums.  */
-	      if (pfound->has_arg)
-		d->optarg = nameend + 1;
-	      else
-		{
-		  if (print_errors)
-		    {
+        {
+          option_index = indfound;
+          d->optind++;
+          if (*nameend)
+            {
+              /* Don't test has_arg with >, because some C compilers don't
+                 allow it to be used on enums.  */
+              if (pfound->has_arg)
+                d->optarg = nameend + 1;
+              else
+                {
+                  if (print_errors)
+                    {
 #if defined _LIBC && defined USE_IN_LIBIO
-		      char *buf;
-		      int n;
+                      char *buf;
+                      int n;
 #endif
 
-		      if (argv[d->optind - 1][1] == '-')
-			{
-			  /* --option */
+                      if (argv[d->optind - 1][1] == '-')
+                        {
+                          /* --option */
 #if defined _LIBC && defined USE_IN_LIBIO
-			  n = __asprintf (&buf, _("\
-%s: option `--%s' doesn't allow an argument\n"),
-					  argv[0], pfound->name);
+                          n = __asprintf (&buf, _("\
+%s: option '--%s' doesn't allow an argument\n"),
+                                          argv[0], pfound->name);
 #else
-			  fprintf (stderr, _("\
-%s: option `--%s' doesn't allow an argument\n"),
-				   argv[0], pfound->name);
+                          fprintf (stderr, _("\
+%s: option '--%s' doesn't allow an argument\n"),
+                                   argv[0], pfound->name);
 #endif
-			}
-		      else
-			{
-			  /* +option or -option */
+                        }
+                      else
+                        {
+                          /* +option or -option */
 #if defined _LIBC && defined USE_IN_LIBIO
-			  n = __asprintf (&buf, _("\
-%s: option `%c%s' doesn't allow an argument\n"),
-					  argv[0], argv[d->optind - 1][0],
-					  pfound->name);
+                          n = __asprintf (&buf, _("\
+%s: option '%c%s' doesn't allow an argument\n"),
+                                          argv[0], argv[d->optind - 1][0],
+                                          pfound->name);
 #else
-			  fprintf (stderr, _("\
-%s: option `%c%s' doesn't allow an argument\n"),
-				   argv[0], argv[d->optind - 1][0],
-				   pfound->name);
+                          fprintf (stderr, _("\
+%s: option '%c%s' doesn't allow an argument\n"),
+                                   argv[0], argv[d->optind - 1][0],
+                                   pfound->name);
 #endif
-			}
+                        }
 
 #if defined _LIBC && defined USE_IN_LIBIO
-		      if (n >= 0)
-			{
-			  _IO_flockfile (stderr);
+                      if (n >= 0)
+                        {
+                          _IO_flockfile (stderr);
 
-			  int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
-			  ((_IO_FILE *) stderr)->_flags2
-			    |= _IO_FLAGS2_NOTCANCEL;
+                          int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
+                          ((_IO_FILE *) stderr)->_flags2
+                            |= _IO_FLAGS2_NOTCANCEL;
 
-			  __fxprintf (NULL, "%s", buf);
+                          __fxprintf (NULL, "%s", buf);
 
-			  ((_IO_FILE *) stderr)->_flags2 = old_flags2;
-			  _IO_funlockfile (stderr);
+                          ((_IO_FILE *) stderr)->_flags2 = old_flags2;
+                          _IO_funlockfile (stderr);
 
-			  free (buf);
-			}
+                          free (buf);
+                        }
 #endif
-		    }
-
-		  d->__nextchar += strlen (d->__nextchar);
-
-		  d->optopt = pfound->val;
-		  return '?';
-		}
-	    }
-	  else if (pfound->has_arg == 1)
-	    {
-	      if (d->optind < argc)
-		d->optarg = argv[d->optind++];
-	      else
-		{
-		  if (print_errors)
-		    {
+                    }
+
+                  d->__nextchar += strlen (d->__nextchar);
+
+                  d->optopt = pfound->val;
+                  return '?';
+                }
+            }
+          else if (pfound->has_arg == 1)
+            {
+              if (d->optind < argc)
+                d->optarg = argv[d->optind++];
+              else
+                {
+                  if (print_errors)
+                    {
 #if defined _LIBC && defined USE_IN_LIBIO
-		      char *buf;
+                      char *buf;
 
-		      if (__asprintf (&buf, _("\
-%s: option `%s' requires an argument\n"),
-				      argv[0], argv[d->optind - 1]) >= 0)
-			{
-			  _IO_flockfile (stderr);
+                      if (__asprintf (&buf, _("\
+%s: option '%s' requires an argument\n"),
+                                      argv[0], argv[d->optind - 1]) >= 0)
+                        {
+                          _IO_flockfile (stderr);
 
-			  int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
-			  ((_IO_FILE *) stderr)->_flags2
-			    |= _IO_FLAGS2_NOTCANCEL;
+                          int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
+                          ((_IO_FILE *) stderr)->_flags2
+                            |= _IO_FLAGS2_NOTCANCEL;
 
-			  __fxprintf (NULL, "%s", buf);
+                          __fxprintf (NULL, "%s", buf);
 
-			  ((_IO_FILE *) stderr)->_flags2 = old_flags2;
-			  _IO_funlockfile (stderr);
+                          ((_IO_FILE *) stderr)->_flags2 = old_flags2;
+                          _IO_funlockfile (stderr);
 
-			  free (buf);
-			}
+                          free (buf);
+                        }
 #else
-		      fprintf (stderr,
-			       _("%s: option `%s' requires an argument\n"),
-			       argv[0], argv[d->optind - 1]);
+                      fprintf (stderr,
+                               _("%s: option '%s' requires an argument\n"),
+                               argv[0], argv[d->optind - 1]);
 #endif
-		    }
-		  d->__nextchar += strlen (d->__nextchar);
-		  d->optopt = pfound->val;
-		  return optstring[0] == ':' ? ':' : '?';
-		}
-	    }
-	  d->__nextchar += strlen (d->__nextchar);
-	  if (longind != NULL)
-	    *longind = option_index;
-	  if (pfound->flag)
-	    {
-	      *(pfound->flag) = pfound->val;
-	      return 0;
-	    }
-	  return pfound->val;
-	}
+                    }
+                  d->__nextchar += strlen (d->__nextchar);
+                  d->optopt = pfound->val;
+                  return optstring[0] == ':' ? ':' : '?';
+                }
+            }
+          d->__nextchar += strlen (d->__nextchar);
+          if (longind != NULL)
+            *longind = option_index;
+          if (pfound->flag)
+            {
+              *(pfound->flag) = pfound->val;
+              return 0;
+            }
+          return pfound->val;
+        }
 
       /* 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
-	 option, then it's an error.
-	 Otherwise interpret it as a short option.  */
+         or the option starts with '--' or is not a valid short
+         option, then it's an error.
+         Otherwise interpret it as a short option.  */
       if (!long_only || argv[d->optind][1] == '-'
-	  || strchr (optstring, *d->__nextchar) == NULL)
-	{
-	  if (print_errors)
-	    {
+          || strchr (optstring, *d->__nextchar) == NULL)
+        {
+          if (print_errors)
+            {
 #if defined _LIBC && defined USE_IN_LIBIO
-	      char *buf;
-	      int n;
+              char *buf;
+              int n;
 #endif
 
-	      if (argv[d->optind][1] == '-')
-		{
-		  /* --option */
+              if (argv[d->optind][1] == '-')
+                {
+                  /* --option */
 #if defined _LIBC && defined USE_IN_LIBIO
-		  n = __asprintf (&buf, _("%s: unrecognized option `--%s'\n"),
-				  argv[0], d->__nextchar);
+                  n = __asprintf (&buf, _("%s: unrecognized option '--%s'\n"),
+                                  argv[0], d->__nextchar);
 #else
-		  fprintf (stderr, _("%s: unrecognized option `--%s'\n"),
-			   argv[0], d->__nextchar);
+                  fprintf (stderr, _("%s: unrecognized option '--%s'\n"),
+                           argv[0], d->__nextchar);
 #endif
-		}
-	      else
-		{
-		  /* +option or -option */
+                }
+              else
+                {
+                  /* +option or -option */
 #if defined _LIBC && defined USE_IN_LIBIO
-		  n = __asprintf (&buf, _("%s: unrecognized option `%c%s'\n"),
-				  argv[0], argv[d->optind][0], d->__nextchar);
+                  n = __asprintf (&buf, _("%s: unrecognized option '%c%s'\n"),
+                                  argv[0], argv[d->optind][0], d->__nextchar);
 #else
-		  fprintf (stderr, _("%s: unrecognized option `%c%s'\n"),
-			   argv[0], argv[d->optind][0], d->__nextchar);
+                  fprintf (stderr, _("%s: unrecognized option '%c%s'\n"),
+                           argv[0], argv[d->optind][0], d->__nextchar);
 #endif
-		}
+                }
 
 #if defined _LIBC && defined USE_IN_LIBIO
-	      if (n >= 0)
-		{
-		  _IO_flockfile (stderr);
+              if (n >= 0)
+                {
+                  _IO_flockfile (stderr);
 
-		  int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
-		  ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
+                  int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
+                  ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
 
-		  __fxprintf (NULL, "%s", buf);
+                  __fxprintf (NULL, "%s", buf);
 
-		  ((_IO_FILE *) stderr)->_flags2 = old_flags2;
-		  _IO_funlockfile (stderr);
+                  ((_IO_FILE *) stderr)->_flags2 = old_flags2;
+                  _IO_funlockfile (stderr);
 
-		  free (buf);
-		}
+                  free (buf);
+                }
 #endif
-	    }
-	  d->__nextchar = (char *) "";
-	  d->optind++;
-	  d->optopt = 0;
-	  return '?';
-	}
+            }
+          d->__nextchar = (char *) "";
+          d->optind++;
+          d->optopt = 0;
+          return '?';
+        }
     }
 
   /* Look at and handle the next short option-character.  */
@@ -745,335 +744,321 @@ _getopt_internal_r (int argc, char **argv, const char *optstring,
 
     if (temp == NULL || c == ':')
       {
-	if (print_errors)
-	  {
+        if (print_errors)
+          {
 #if defined _LIBC && defined USE_IN_LIBIO
-	      char *buf;
-	      int n;
+              char *buf;
+              int n;
 #endif
 
-	    if (d->__posixly_correct)
-	      {
-		/* 1003.2 specifies the format of this message.  */
-#if defined _LIBC && defined USE_IN_LIBIO
-		n = __asprintf (&buf, _("%s: illegal option -- %c\n"),
-				argv[0], c);
-#else
-		fprintf (stderr, _("%s: illegal option -- %c\n"), argv[0], c);
-#endif
-	      }
-	    else
-	      {
 #if defined _LIBC && defined USE_IN_LIBIO
-		n = __asprintf (&buf, _("%s: invalid option -- %c\n"),
-				argv[0], c);
+              n = __asprintf (&buf, _("%s: invalid option -- '%c'\n"),
+                              argv[0], c);
 #else
-		fprintf (stderr, _("%s: invalid option -- %c\n"), argv[0], c);
+              fprintf (stderr, _("%s: invalid option -- '%c'\n"), argv[0], c);
 #endif
-	      }
 
 #if defined _LIBC && defined USE_IN_LIBIO
-	    if (n >= 0)
-	      {
-		_IO_flockfile (stderr);
+            if (n >= 0)
+              {
+                _IO_flockfile (stderr);
 
-		int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
-		((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
+                int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
+                ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
 
-		__fxprintf (NULL, "%s", buf);
+                __fxprintf (NULL, "%s", buf);
 
-		((_IO_FILE *) stderr)->_flags2 = old_flags2;
-		_IO_funlockfile (stderr);
+                ((_IO_FILE *) stderr)->_flags2 = old_flags2;
+                _IO_funlockfile (stderr);
 
-		free (buf);
-	      }
+                free (buf);
+              }
 #endif
-	  }
-	d->optopt = c;
-	return '?';
+          }
+        d->optopt = c;
+        return '?';
       }
     /* Convenience. Treat POSIX -W foo same as long option --foo */
     if (temp[0] == 'W' && temp[1] == ';')
       {
-	char *nameend;
-	const struct option *p;
-	const struct option *pfound = NULL;
-	int exact = 0;
-	int ambig = 0;
-	int indfound = 0;
-	int option_index;
-
-	/* This is an option that requires an argument.  */
-	if (*d->__nextchar != '\0')
-	  {
-	    d->optarg = d->__nextchar;
-	    /* If we end this ARGV-element by taking the rest as an arg,
-	       we must advance to the next element now.  */
-	    d->optind++;
-	  }
-	else if (d->optind == argc)
-	  {
-	    if (print_errors)
-	      {
-		/* 1003.2 specifies the format of this message.  */
+        char *nameend;
+        const struct option *p;
+        const struct option *pfound = NULL;
+        int exact = 0;
+        int ambig = 0;
+        int indfound = 0;
+        int option_index;
+
+        /* This is an option that requires an argument.  */
+        if (*d->__nextchar != '\0')
+          {
+            d->optarg = d->__nextchar;
+            /* If we end this ARGV-element by taking the rest as an arg,
+               we must advance to the next element now.  */
+            d->optind++;
+          }
+        else if (d->optind == argc)
+          {
+            if (print_errors)
+              {
 #if defined _LIBC && defined USE_IN_LIBIO
-		char *buf;
+                char *buf;
 
-		if (__asprintf (&buf,
-				_("%s: option requires an argument -- %c\n"),
-				argv[0], c) >= 0)
-		  {
-		    _IO_flockfile (stderr);
+                if (__asprintf (&buf,
+                                _("%s: option requires an argument -- '%c'\n"),
+                                argv[0], c) >= 0)
+                  {
+                    _IO_flockfile (stderr);
 
-		    int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
-		    ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
+                    int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
+                    ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
 
-		    __fxprintf (NULL, "%s", buf);
+                    __fxprintf (NULL, "%s", buf);
 
-		    ((_IO_FILE *) stderr)->_flags2 = old_flags2;
-		    _IO_funlockfile (stderr);
+                    ((_IO_FILE *) stderr)->_flags2 = old_flags2;
+                    _IO_funlockfile (stderr);
 
-		    free (buf);
-		  }
+                    free (buf);
+                  }
 #else
-		fprintf (stderr, _("%s: option requires an argument -- %c\n"),
-			 argv[0], c);
+                fprintf (stderr,
+                         _("%s: option requires an argument -- '%c'\n"),
+                         argv[0], c);
 #endif
-	      }
-	    d->optopt = c;
-	    if (optstring[0] == ':')
-	      c = ':';
-	    else
-	      c = '?';
-	    return c;
-	  }
-	else
-	  /* We already incremented `d->optind' once;
-	     increment it again when taking next ARGV-elt as argument.  */
-	  d->optarg = argv[d->optind++];
-
-	/* optarg is now the argument, see if it's in the
-	   table of longopts.  */
-
-	for (d->__nextchar = nameend = d->optarg; *nameend && *nameend != '=';
-	     nameend++)
-	  /* Do nothing.  */ ;
-
-	/* Test all long options for either exact match
-	   or abbreviated matches.  */
-	for (p = longopts, option_index = 0; p->name; p++, option_index++)
-	  if (!strncmp (p->name, d->__nextchar, nameend - d->__nextchar))
-	    {
-	      if ((unsigned int) (nameend - d->__nextchar) == strlen (p->name))
-		{
-		  /* Exact match found.  */
-		  pfound = p;
-		  indfound = option_index;
-		  exact = 1;
-		  break;
-		}
-	      else if (pfound == NULL)
-		{
-		  /* First nonexact match found.  */
-		  pfound = p;
-		  indfound = option_index;
-		}
-	      else
-		/* Second or later nonexact match found.  */
-		ambig = 1;
-	    }
-	if (ambig && !exact)
-	  {
-	    if (print_errors)
-	      {
+              }
+            d->optopt = c;
+            if (optstring[0] == ':')
+              c = ':';
+            else
+              c = '?';
+            return c;
+          }
+        else
+          /* We already incremented `d->optind' once;
+             increment it again when taking next ARGV-elt as argument.  */
+          d->optarg = argv[d->optind++];
+
+        /* optarg is now the argument, see if it's in the
+           table of longopts.  */
+
+        for (d->__nextchar = nameend = d->optarg; *nameend && *nameend != '=';
+             nameend++)
+          /* Do nothing.  */ ;
+
+        /* Test all long options for either exact match
+           or abbreviated matches.  */
+        for (p = longopts, option_index = 0; p->name; p++, option_index++)
+          if (!strncmp (p->name, d->__nextchar, nameend - d->__nextchar))
+            {
+              if ((unsigned int) (nameend - d->__nextchar) == strlen (p->name))
+                {
+                  /* Exact match found.  */
+                  pfound = p;
+                  indfound = option_index;
+                  exact = 1;
+                  break;
+                }
+              else if (pfound == NULL)
+                {
+                  /* First nonexact match found.  */
+                  pfound = p;
+                  indfound = option_index;
+                }
+              else
+                /* Second or later nonexact match found.  */
+                ambig = 1;
+            }
+        if (ambig && !exact)
+          {
+            if (print_errors)
+              {
 #if defined _LIBC && defined USE_IN_LIBIO
-		char *buf;
+                char *buf;
 
-		if (__asprintf (&buf, _("%s: option `-W %s' is ambiguous\n"),
-				argv[0], argv[d->optind]) >= 0)
-		  {
-		    _IO_flockfile (stderr);
+                if (__asprintf (&buf, _("%s: option '-W %s' is ambiguous\n"),
+                                argv[0], argv[d->optind]) >= 0)
+                  {
+                    _IO_flockfile (stderr);
 
-		    int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
-		    ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
+                    int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
+                    ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
 
-		    __fxprintf (NULL, "%s", buf);
+                    __fxprintf (NULL, "%s", buf);
 
-		    ((_IO_FILE *) stderr)->_flags2 = old_flags2;
-		    _IO_funlockfile (stderr);
+                    ((_IO_FILE *) stderr)->_flags2 = old_flags2;
+                    _IO_funlockfile (stderr);
 
-		    free (buf);
-		  }
+                    free (buf);
+                  }
 #else
-		fprintf (stderr, _("%s: option `-W %s' is ambiguous\n"),
-			 argv[0], argv[d->optind]);
+                fprintf (stderr, _("%s: option '-W %s' is ambiguous\n"),
+                         argv[0], argv[d->optind]);
 #endif
-	      }
-	    d->__nextchar += strlen (d->__nextchar);
-	    d->optind++;
-	    return '?';
-	  }
-	if (pfound != NULL)
-	  {
-	    option_index = indfound;
-	    if (*nameend)
-	      {
-		/* Don't test has_arg with >, because some C compilers don't
-		   allow it to be used on enums.  */
-		if (pfound->has_arg)
-		  d->optarg = nameend + 1;
-		else
-		  {
-		    if (print_errors)
-		      {
+              }
+            d->__nextchar += strlen (d->__nextchar);
+            d->optind++;
+            return '?';
+          }
+        if (pfound != NULL)
+          {
+            option_index = indfound;
+            if (*nameend)
+              {
+                /* Don't test has_arg with >, because some C compilers don't
+                   allow it to be used on enums.  */
+                if (pfound->has_arg)
+                  d->optarg = nameend + 1;
+                else
+                  {
+                    if (print_errors)
+                      {
 #if defined _LIBC && defined USE_IN_LIBIO
-			char *buf;
+                        char *buf;
 
-			if (__asprintf (&buf, _("\
-%s: option `-W %s' doesn't allow an argument\n"),
-					argv[0], pfound->name) >= 0)
-			  {
-			    _IO_flockfile (stderr);
+                        if (__asprintf (&buf, _("\
+%s: option '-W %s' doesn't allow an argument\n"),
+                                        argv[0], pfound->name) >= 0)
+                          {
+                            _IO_flockfile (stderr);
 
-			    int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
-			    ((_IO_FILE *) stderr)->_flags2
-			      |= _IO_FLAGS2_NOTCANCEL;
+                            int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
+                            ((_IO_FILE *) stderr)->_flags2
+                              |= _IO_FLAGS2_NOTCANCEL;
 
-			    __fxprintf (NULL, "%s", buf);
+                            __fxprintf (NULL, "%s", buf);
 
-			    ((_IO_FILE *) stderr)->_flags2 = old_flags2;
-			    _IO_funlockfile (stderr);
+                            ((_IO_FILE *) stderr)->_flags2 = old_flags2;
+                            _IO_funlockfile (stderr);
 
-			    free (buf);
-			  }
+                            free (buf);
+                          }
 #else
-			fprintf (stderr, _("\
-%s: option `-W %s' doesn't allow an argument\n"),
-				 argv[0], pfound->name);
+                        fprintf (stderr, _("\
+%s: option '-W %s' doesn't allow an argument\n"),
+                                 argv[0], pfound->name);
 #endif
-		      }
-
-		    d->__nextchar += strlen (d->__nextchar);
-		    return '?';
-		  }
-	      }
-	    else if (pfound->has_arg == 1)
-	      {
-		if (d->optind < argc)
-		  d->optarg = argv[d->optind++];
-		else
-		  {
-		    if (print_errors)
-		      {
+                      }
+
+                    d->__nextchar += strlen (d->__nextchar);
+                    return '?';
+                  }
+              }
+            else if (pfound->has_arg == 1)
+              {
+                if (d->optind < argc)
+                  d->optarg = argv[d->optind++];
+                else
+                  {
+                    if (print_errors)
+                      {
 #if defined _LIBC && defined USE_IN_LIBIO
-			char *buf;
+                        char *buf;
 
-			if (__asprintf (&buf, _("\
-%s: option `%s' requires an argument\n"),
-					argv[0], argv[d->optind - 1]) >= 0)
-			  {
-			    _IO_flockfile (stderr);
+                        if (__asprintf (&buf, _("\
+%s: option '%s' requires an argument\n"),
+                                        argv[0], argv[d->optind - 1]) >= 0)
+                          {
+                            _IO_flockfile (stderr);
 
-			    int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
-			    ((_IO_FILE *) stderr)->_flags2
-			      |= _IO_FLAGS2_NOTCANCEL;
+                            int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
+                            ((_IO_FILE *) stderr)->_flags2
+                              |= _IO_FLAGS2_NOTCANCEL;
 
-			    __fxprintf (NULL, "%s", buf);
+                            __fxprintf (NULL, "%s", buf);
 
-			    ((_IO_FILE *) stderr)->_flags2 = old_flags2;
-			    _IO_funlockfile (stderr);
+                            ((_IO_FILE *) stderr)->_flags2 = old_flags2;
+                            _IO_funlockfile (stderr);
 
-			    free (buf);
-			  }
+                            free (buf);
+                          }
 #else
-			fprintf (stderr,
-				 _("%s: option `%s' requires an argument\n"),
-				 argv[0], argv[d->optind - 1]);
+                        fprintf (stderr,
+                                 _("%s: option '%s' requires an argument\n"),
+                                 argv[0], argv[d->optind - 1]);
 #endif
-		      }
-		    d->__nextchar += strlen (d->__nextchar);
-		    return optstring[0] == ':' ? ':' : '?';
-		  }
-	      }
-	    d->__nextchar += strlen (d->__nextchar);
-	    if (longind != NULL)
-	      *longind = option_index;
-	    if (pfound->flag)
-	      {
-		*(pfound->flag) = pfound->val;
-		return 0;
-	      }
-	    return pfound->val;
-	  }
-	  d->__nextchar = NULL;
-	  return 'W';	/* Let the application handle it.   */
+                      }
+                    d->__nextchar += strlen (d->__nextchar);
+                    return optstring[0] == ':' ? ':' : '?';
+                  }
+              }
+            d->__nextchar += strlen (d->__nextchar);
+            if (longind != NULL)
+              *longind = option_index;
+            if (pfound->flag)
+              {
+                *(pfound->flag) = pfound->val;
+                return 0;
+              }
+            return pfound->val;
+          }
+          d->__nextchar = NULL;
+          return 'W';   /* Let the application handle it.   */
       }
     if (temp[1] == ':')
       {
-	if (temp[2] == ':')
-	  {
-	    /* This is an option that accepts an argument optionally.  */
-	    if (*d->__nextchar != '\0')
-	      {
-		d->optarg = d->__nextchar;
-		d->optind++;
-	      }
-	    else
-	      d->optarg = NULL;
-	    d->__nextchar = NULL;
-	  }
-	else
-	  {
-	    /* This is an option that requires an argument.  */
-	    if (*d->__nextchar != '\0')
-	      {
-		d->optarg = d->__nextchar;
-		/* If we end this ARGV-element by taking the rest as an arg,
-		   we must advance to the next element now.  */
-		d->optind++;
-	      }
-	    else if (d->optind == argc)
-	      {
-		if (print_errors)
-		  {
-		    /* 1003.2 specifies the format of this message.  */
+        if (temp[2] == ':')
+          {
+            /* This is an option that accepts an argument optionally.  */
+            if (*d->__nextchar != '\0')
+              {
+                d->optarg = d->__nextchar;
+                d->optind++;
+              }
+            else
+              d->optarg = NULL;
+            d->__nextchar = NULL;
+          }
+        else
+          {
+            /* This is an option that requires an argument.  */
+            if (*d->__nextchar != '\0')
+              {
+                d->optarg = d->__nextchar;
+                /* If we end this ARGV-element by taking the rest as an arg,
+                   we must advance to the next element now.  */
+                d->optind++;
+              }
+            else if (d->optind == argc)
+              {
+                if (print_errors)
+                  {
 #if defined _LIBC && defined USE_IN_LIBIO
-		    char *buf;
+                    char *buf;
 
-		    if (__asprintf (&buf, _("\
-%s: option requires an argument -- %c\n"),
-				    argv[0], c) >= 0)
-		      {
-			_IO_flockfile (stderr);
+                    if (__asprintf (&buf, _("\
+%s: option requires an argument -- '%c'\n"),
+                                    argv[0], c) >= 0)
+                      {
+                        _IO_flockfile (stderr);
 
-			int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
-			((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
+                        int old_flags2 = ((_IO_FILE *) stderr)->_flags2;
+                        ((_IO_FILE *) stderr)->_flags2 |= _IO_FLAGS2_NOTCANCEL;
 
-			__fxprintf (NULL, "%s", buf);
+                        __fxprintf (NULL, "%s", buf);
 
-			((_IO_FILE *) stderr)->_flags2 = old_flags2;
-			_IO_funlockfile (stderr);
+                        ((_IO_FILE *) stderr)->_flags2 = old_flags2;
+                        _IO_funlockfile (stderr);
 
-			free (buf);
-		      }
+                        free (buf);
+                      }
 #else
-		    fprintf (stderr,
-			     _("%s: option requires an argument -- %c\n"),
-			     argv[0], c);
+                    fprintf (stderr,
+                             _("%s: option requires an argument -- '%c'\n"),
+                             argv[0], c);
 #endif
-		  }
-		d->optopt = c;
-		if (optstring[0] == ':')
-		  c = ':';
-		else
-		  c = '?';
-	      }
-	    else
-	      /* We already incremented `optind' once;
-		 increment it again when taking next ARGV-elt as argument.  */
-	      d->optarg = argv[d->optind++];
-	    d->__nextchar = NULL;
-	  }
+                  }
+                d->optopt = c;
+                if (optstring[0] == ':')
+                  c = ':';
+                else
+                  c = '?';
+              }
+            else
+              /* We already incremented `optind' once;
+                 increment it again when taking next ARGV-elt as argument.  */
+              d->optarg = argv[d->optind++];
+            d->__nextchar = NULL;
+          }
       }
     return c;
   }
@@ -1081,16 +1066,17 @@ _getopt_internal_r (int argc, char **argv, const char *optstring,
 
 int
 _getopt_internal (int argc, char **argv, const char *optstring,
-		  const struct option *longopts, int *longind,
-		  int long_only, int posixly_correct)
+                  const struct option *longopts, int *longind, int long_only,
+                  int posixly_correct)
 {
   int result;
 
   getopt_data.optind = optind;
   getopt_data.opterr = opterr;
 
-  result = _getopt_internal_r (argc, argv, optstring, longopts, longind,
-			       long_only, posixly_correct, &getopt_data);
+  result = _getopt_internal_r (argc, argv, optstring, longopts,
+                               longind, long_only, &getopt_data,
+                               posixly_correct);
 
   optind = getopt_data.optind;
   optarg = getopt_data.optarg;
@@ -1110,10 +1096,23 @@ enum { POSIXLY_CORRECT = 1 };
 int
 getopt (int argc, char *const *argv, const char *optstring)
 {
-  return _getopt_internal (argc, (char **) argv, optstring, NULL, NULL, 0,
-			   POSIXLY_CORRECT);
+  return _getopt_internal (argc, (char **) argv, optstring,
+                           (const struct option *) 0,
+                           (int *) 0,
+                           0, POSIXLY_CORRECT);
 }
 
+#ifdef _LIBC
+int
+__posix_getopt (int argc, char *const *argv, const char *optstring)
+{
+  return _getopt_internal (argc, argv, optstring,
+                           (const struct option *) 0,
+                           (int *) 0,
+                           0, 1);
+}
+#endif
+
 
 #ifdef TEST
 
@@ -1132,51 +1131,51 @@ main (int argc, char **argv)
 
       c = getopt (argc, argv, "abc:d:0123456789");
       if (c == -1)
-	break;
+        break;
 
       switch (c)
-	{
-	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 '?':
-	  break;
-
-	default:
-	  printf ("?? getopt returned character code 0%o ??\n", c);
-	}
+        {
+        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 '?':
+          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 ("%s ", argv[optind++]);
       printf ("\n");
     }