Update from glibc 2.1.

1 files changed, 90 insertions, 1034 deletions

diff --git a/posix/glob.c b/posix/glob.c
index 406cf004b0..a15d8ef92f 100644
--- a/posix/glob.c
+++ b/posix/glob.c
@@ -1,306 +1,104 @@
-/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1995, 1996, 1997 Free Software Foundation, Inc.
 
-   This library is free software; you can redistribute it and/or
+   The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.
 
-   This library is distributed in the hope that it will be useful,
+   The GNU C Library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public
-   License along with this library; see the file COPYING.LIB.  If not,
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-/* AIX requires this to be the first thing in the file.  */
-#if defined (_AIX) && !defined (__GNUC__)
- #pragma alloca
-#endif
-
-#ifdef	HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-/* Enable GNU extensions in glob.h.  */
-#ifndef _GNU_SOURCE
-#define	_GNU_SOURCE	1
-#endif
-
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-
-/* Outcomment the following line for production quality code.  */
-/* #define NDEBUG 1 */
-#include <assert.h>
-
-
-/* Comment out all this code if we are using the GNU C Library, and are not
-   actually compiling the library itself.  This code is part of the GNU C
-   Library, but also included in many other GNU distributions.  Compiling
-   and linking in this code is a waste when using the GNU C library
-   (especially if it is a shared library).  Rather than having every GNU
-   program understand `configure --with-gnu-libc' and omit the object files,
-   it is simpler to just do this in the source for each such file.  */
-
-#define GLOB_INTERFACE_VERSION 1
-#if !defined (_LIBC) && defined (__GNU_LIBRARY__) && __GNU_LIBRARY__ > 1
-#include <gnu-versions.h>
-#if _GNU_GLOB_INTERFACE_VERSION == GLOB_INTERFACE_VERSION
-#define ELIDE_CODE
-#endif
-#endif
+#ifndef	_GLOB_H
+#define	_GLOB_H	1
 
-#ifndef ELIDE_CODE
-
-#if defined(STDC_HEADERS) || defined(__GNU_LIBRARY__)
-#include <stddef.h>
-#endif
-
-#if defined HAVE_UNISTD_H || defined _LIBC
-#include <unistd.h>
-#ifndef POSIX
-#ifdef	_POSIX_VERSION
-#define	POSIX
-#endif
-#endif
-#endif
-
-#if !defined (_AMIGA) && !defined (VMS) && !defined(WIN32)
-#include <pwd.h>
-#endif
-
-#if !defined(__GNU_LIBRARY__) && !defined(STDC_HEADERS)
-extern int errno;
-#endif
-#ifndef __set_errno
-#define __set_errno(val) errno = (val)
-#endif
-
-#ifndef	NULL
-#define	NULL	0
+#ifdef	__cplusplus
+extern "C"
+{
 #endif
 
-
-#if defined (HAVE_DIRENT_H) || defined (__GNU_LIBRARY__)
-# include <dirent.h>
-# define NAMLEN(dirent) strlen((dirent)->d_name)
-#else
-# define dirent direct
-# define NAMLEN(dirent) (dirent)->d_namlen
-# ifdef HAVE_SYS_NDIR_H
-#  include <sys/ndir.h>
-# endif
-# ifdef HAVE_SYS_DIR_H
-#  include <sys/dir.h>
-# endif
-# ifdef HAVE_NDIR_H
-#  include <ndir.h>
+#undef	__ptr_t
+#if (defined __cplusplus || (defined __STDC__ && __STDC__) \
+     || defined WINDOWS32)
+# undef	__P
+# define __P(protos)	protos
+# define __ptr_t	void *
+# if !defined __GNUC__ || __GNUC__ < 2
+#  undef __const
+#  define __const const
 # endif
-# ifdef HAVE_VMSDIR_H
-#  include "vmsdir.h"
-# endif /* HAVE_VMSDIR_H */
-#endif
-
-
-/* In GNU systems, <dirent.h> defines this macro for us.  */
-#ifdef _D_NAMLEN
-#undef NAMLEN
-#define NAMLEN(d) _D_NAMLEN(d)
-#endif
-
-
-#if (defined (POSIX) || defined (WIN32)) && !defined (__GNU_LIBRARY__)
-/* Posix does not require that the d_ino field be present, and some
-   systems do not provide it. */
-#define REAL_DIR_ENTRY(dp) 1
-#else
-#define REAL_DIR_ENTRY(dp) (dp->d_ino != 0)
-#endif /* POSIX */
-
-#if	(defined (STDC_HEADERS) || defined (__GNU_LIBRARY__))
-#include <stdlib.h>
-#include <string.h>
-#define	ANSI_STRING
-#else	/* No standard headers.  */
-
-extern char *getenv ();
-
-#ifdef HAVE_STRING_H
-#include <string.h>
-#define	ANSI_STRING
-#else
-#include <strings.h>
-#endif
-#ifdef	HAVE_MEMORY_H
-#include <memory.h>
-#endif
-
-extern char *malloc (), *realloc ();
-extern void free ();
-
-extern void qsort ();
-extern void abort (), exit ();
-
-#endif	/* Standard headers.  */
-
-#ifndef	ANSI_STRING
-
-#ifndef	bzero
-extern void bzero ();
-#endif
-#ifndef	bcopy
-extern void bcopy ();
-#endif
-
-#define	memcpy(d, s, n)	bcopy ((s), (d), (n))
-#define	strrchr	rindex
-/* memset is only used for zero here, but let's be paranoid.  */
-#define	memset(s, better_be_zero, n) \
-  ((void) ((better_be_zero) == 0 ? (bzero((s), (n)), 0) : (abort(), 0)))
-#endif	/* Not ANSI_STRING.  */
-
-#if !defined HAVE_STRCOLL && !defined _LIBC
-#define	strcoll	strcmp
-#endif
-
-
-#ifndef	__GNU_LIBRARY__
-#ifdef	__GNUC__
-__inline
-#endif
-#ifndef __SASC
-#ifdef WIN32
-static void *
+#else /* Not C++ or ANSI C.  */
+# undef	__P
+# define __P(protos)	()
+# undef	__const
+# define __const
+# define __ptr_t	char *
+#endif /* C++ or ANSI C.  */
+
+/* Bits set in the FLAGS argument to `glob'.  */
+#define	GLOB_ERR	(1 << 0)/* Return on read errors.  */
+#define	GLOB_MARK	(1 << 1)/* Append a slash to each name.  */
+#define	GLOB_NOSORT	(1 << 2)/* Don't sort the names.  */
+#define	GLOB_DOOFFS	(1 << 3)/* Insert PGLOB->gl_offs NULLs.  */
+#define	GLOB_NOCHECK	(1 << 4)/* If nothing matches, return the pattern.  */
+#define	GLOB_APPEND	(1 << 5)/* Append to results of a previous call.  */
+#define	GLOB_NOESCAPE	(1 << 6)/* Backslashes don't quote metacharacters.  */
+#define	GLOB_PERIOD	(1 << 7)/* Leading `.' can be matched by metachars.  */
+
+#if (!defined _POSIX_C_SOURCE || _POSIX_C_SOURCE < 2 || defined _BSD_SOURCE \
+     || defined _GNU_SOURCE)
+# define GLOB_MAGCHAR	 (1 << 8)/* Set in gl_flags if any metachars seen.  */
+# define GLOB_ALTDIRFUNC (1 << 9)/* Use gl_opendir et al functions.  */
+# define GLOB_BRACE	 (1 << 10)/* Expand "{a,b}" to "a" "b".  */
+# define GLOB_NOMAGIC	 (1 << 11)/* If no magic chars, return the pattern.  */
+# define GLOB_TILDE	 (1 << 12)/* Expand ~user and ~ to home directories. */
+# define GLOB_ONLYDIR	 (1 << 13)/* Match only directories.  */
+# define __GLOB_FLAGS	(GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
+			 GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND|     \
+			 GLOB_PERIOD|GLOB_ALTDIRFUNC|GLOB_BRACE|     \
+			 GLOB_NOMAGIC|GLOB_TILDE|GLOB_ONLYDIR)
 #else
-static char *
+# define __GLOB_FLAGS	(GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
+			 GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND|     \
+			 GLOB_PERIOD)
 #endif
-my_realloc (p, n)
-     char *p;
-     unsigned int n;
-{
-  /* These casts are the for sake of the broken Ultrix compiler,
-     which warns of illegal pointer combinations otherwise.  */
-  if (p == NULL)
-    return (char *) malloc (n);
-  return (char *) realloc (p, n);
-}
-#define	realloc	my_realloc
-#endif /* __SASC */
-#endif /* __GNU_LIBRARY__ */
 
+/* Error returns from `glob'.  */
+#define	GLOB_NOSPACE	1	/* Ran out of memory.  */
+#define	GLOB_ABORTED	2	/* Read error.  */
+#define	GLOB_NOMATCH	3	/* No matches found.  */
 
-#if	!defined(__alloca) && !defined(__GNU_LIBRARY__)
-
-#ifdef	__GNUC__
-#undef	alloca
-#define	alloca(n)	__builtin_alloca (n)
-#else	/* Not GCC.  */
-#ifdef HAVE_ALLOCA_H
-#include <alloca.h>
-#else	/* Not HAVE_ALLOCA_H.  */
-#ifndef	_AIX
-#ifdef WIN32
-#include <malloc.h>
-#else
-extern char *alloca ();
-#endif /* WIN32 */
-#endif	/* Not _AIX.  */
-#endif	/* sparc or HAVE_ALLOCA_H.  */
-#endif	/* GCC.  */
-
-#define	__alloca	alloca
-
+#ifdef _GNU_SOURCE
+/* Previous versions of this file defined GLOB_ABEND instead of
+   GLOB_ABORTED.  Provide a compatibility definition here.  */
+# define GLOB_ABEND GLOB_ABORTED
 #endif
 
-#ifndef __GNU_LIBRARY__
-#define __stat stat
-#ifdef STAT_MACROS_BROKEN
-#undef S_ISDIR
-#endif
-#ifndef S_ISDIR
-#define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR)
-#endif
+/* Structure describing a globbing run.  */
+#if !defined _AMIGA && !defined VMS /* Buggy compiler.   */
+struct stat;
 #endif
-
-#if !(defined (STDC_HEADERS) || defined (__GNU_LIBRARY__))
-#undef	size_t
-#define	size_t	unsigned int
-#endif
-
-/* Some system header files erroneously define these.
-   We want our own definitions from <fnmatch.h> to take precedence.  */
-#undef	FNM_PATHNAME
-#undef	FNM_NOESCAPE
-#undef	FNM_PERIOD
-#include <fnmatch.h>
-
-/* Some system header files erroneously define these.
-   We want our own definitions from <glob.h> to take precedence.  */
-#undef	GLOB_ERR
-#undef	GLOB_MARK
-#undef	GLOB_NOSORT
-#undef	GLOB_DOOFFS
-#undef	GLOB_NOCHECK
-#undef	GLOB_APPEND
-#undef	GLOB_NOESCAPE
-#undef	GLOB_PERIOD
-#include <glob.h>
-
-static int glob_in_dir __P ((const char *pattern, const char *directory,
-			     int flags,
-			     int (*errfunc) __P ((const char *, int)),
-			     glob_t *pglob));
-static int prefix_array __P ((const char *prefix, char **array, size_t n));
-static int collated_compare __P ((const __ptr_t, const __ptr_t));
-
-
-/* Find the end of the sub-pattern in a brace expression.  We define
-   this as an inline function if the compiler permits.  */
-static
-#if __GNUC__ - 0 >= 2
-inline
-#endif
-const char *
-next_brace_sub (const char *begin)
-{
-  unsigned int depth = 0;
-  const char *cp = begin;
-
-  while (1)
-    {
-      if (depth == 0)
-	{
-	  if (*cp != ',' && *cp != '}' && *cp != '\0')
-	    {
-	      if (*cp == '{')
-		++depth;
-	      ++cp;
-	      continue;
-	    }
-	}
-      else
-	{
-	  while (*cp != '\0' && (*cp != '}' || depth > 0))
-	    {
-	      if (*cp == '}')
-		--depth;
-	      ++cp;
-	    }
-	  if (*cp == '\0')
-	    /* An incorrectly terminated brace expression.  */
-	    return NULL;
-
-	  continue;
-	}
-      break;
-    }
-
-  return cp;
-}
+typedef struct
+  {
+    int gl_pathc;		/* Count of paths matched by the pattern.  */
+    char **gl_pathv;		/* List of matched pathnames.  */
+    int gl_offs;		/* Slots to reserve in `gl_pathv'.  */
+    int gl_flags;		/* Set to FLAGS, maybe | GLOB_MAGCHAR.  */
+
+    /* If the GLOB_ALTDIRFUNC flag is set, the following functions
+       are used instead of the normal file access functions.  */
+    void (*gl_closedir) __P ((void *));
+    struct dirent *(*gl_readdir) __P ((void *));
+    __ptr_t (*gl_opendir) __P ((__const char *));
+    int (*gl_lstat) __P ((__const char *, struct stat *));
+    int (*gl_stat) __P ((__const char *, struct stat *));
+  } glob_t;
 
 /* Do glob searching for PATTERN, placing results in PGLOB.
    The bits defined above may be set in FLAGS.
@@ -310,768 +108,26 @@ next_brace_sub (const char *begin)
    `glob' returns GLOB_ABEND; if it returns zero, the error is ignored.
    If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned.
    Otherwise, `glob' returns zero.  */
-int
-glob (pattern, flags, errfunc, pglob)
-     const char *pattern;
-     int flags;
-     int (*errfunc) __P ((const char *, int));
-     glob_t *pglob;
-{
-  const char *filename;
-  char *dirname;
-  size_t dirlen;
-  int status;
-  int oldcount;
-
-  if (pattern == NULL || pglob == NULL || (flags & ~__GLOB_FLAGS) != 0)
-    {
-      __set_errno (EINVAL);
-      return -1;
-    }
-
-  if (flags & GLOB_BRACE)
-    {
-      const char *begin = strchr (pattern, '{');
-      if (begin != NULL)
-	{
-	  /* Allocate working buffer large enough for our work.  Note that
-	    we have at least an opening and closing brace.  */
-	  int firstc;
-	  char *alt_start;
-	  const char *p;
-	  const char *next;
-	  const char *rest;
-	  size_t rest_len;
-#ifdef __GNUC__
-	  char onealt[strlen (pattern) - 1];
-#else
-	  char *onealt = (char *) malloc (strlen (pattern) - 1);
-	  if (onealt == NULL)
-	    {
-	      if (!(flags & GLOB_APPEND))
-		globfree (pglob);
-	      return GLOB_NOSPACE;
-	    }
-#endif
-
-	  /* We know the prefix for all sub-patterns.  */
-	  memcpy (onealt, pattern, begin - pattern);
-	  alt_start = &onealt[begin - pattern];
-
-	  /* Find the first sub-pattern and at the same time find the
-	     rest after the closing brace.  */
-	  next = next_brace_sub (begin + 1);
-	  if (next == NULL)
-	    {
-	      /* It is an illegal expression.  */
-#ifndef __GNUC__
-	      free (onealt);
-#endif
-	      return glob (pattern, flags & ~GLOB_BRACE, errfunc, pglob);
-	    }
-
-	  /* Now find the end of the whole brace expression.  */
-	  rest = next;
-	  while (*rest != '}')
-	    {
-	      rest = next_brace_sub (rest + 1);
-	      if (rest == NULL)
-		{
-		  /* It is an illegal expression.  */
-#ifndef __GNUC__
-		  free (onealt);
-#endif
-		  return glob (pattern, flags & ~GLOB_BRACE, errfunc, pglob);
-		}
-	    }
-	  /* Please note that we now can be sure the brace expression
-	     is well-formed.  */
-	  rest_len = strlen (++rest) + 1;
-
-	  /* We have a brace expression.  BEGIN points to the opening {,
-	     NEXT points past the terminator of the first element, and END
-	     points past the final }.  We will accumulate result names from
-	     recursive runs for each brace alternative in the buffer using
-	     GLOB_APPEND.  */
-
-	  if (!(flags & GLOB_APPEND))
-	    {
-	      /* This call is to set a new vector, so clear out the
-		 vector so we can append to it.  */
-	      pglob->gl_pathc = 0;
-	      pglob->gl_pathv = NULL;
-	    }
-	  firstc = pglob->gl_pathc;
-
-	  p = begin + 1;
-	  while (1)
-	    {
-	      int result;
-
-	      /* Construct the new glob expression.  */
-	      memcpy (alt_start, p, next - p);
-	      memcpy (&alt_start[next - p], rest, rest_len);
-
-	      result = glob (onealt,
-			     ((flags & ~(GLOB_NOCHECK|GLOB_NOMAGIC))
-			      | GLOB_APPEND), errfunc, pglob);
-
-	      /* If we got an error, return it.  */
-	      if (result && result != GLOB_NOMATCH)
-		{
-#ifndef __GNUC__
-		  free (onealt);
-#endif
-		  if (!(flags & GLOB_APPEND))
-		    globfree (pglob);
-		  return result;
-		}
-
-	      if (*next == '}')
-		/* We saw the last entry.  */
-		break;
-
-	      p = next + 1;
-	      next = next_brace_sub (p);
-	      assert (next != NULL);
-	    }
-
-#ifndef __GNUC__
-	  free (onealt);
-#endif
-
-	  if (pglob->gl_pathc != firstc)
-	    /* We found some entries.  */
-	    return 0;
-	  else if (!(flags & (GLOB_NOCHECK|GLOB_NOMAGIC)))
-	    return GLOB_NOMATCH;
-	}
-    }
-
-  /* Find the filename.  */
-  filename = strrchr (pattern, '/');
-  if (filename == NULL)
-    {
-      filename = pattern;
-#ifdef _AMIGA
-      dirname = (char *) "";
-#else
-      dirname = (char *) ".";
-#endif
-      dirlen = 0;
-    }
-  else if (filename == pattern)
-    {
-      /* "/pattern".  */
-      dirname = (char *) "/";
-      dirlen = 1;
-      ++filename;
-    }
-  else
-    {
-      dirlen = filename - pattern;
-      dirname = (char *) __alloca (dirlen + 1);
-      memcpy (dirname, pattern, dirlen);
-      dirname[dirlen] = '\0';
-      ++filename;
-    }
-
-  if (filename[0] == '\0' && dirlen > 1)
-    /* "pattern/".  Expand "pattern", appending slashes.  */
-    {
-      int val = glob (dirname, flags | GLOB_MARK, errfunc, pglob);
-      if (val == 0)
-	pglob->gl_flags = (pglob->gl_flags & ~GLOB_MARK) | (flags & GLOB_MARK);
-      return val;
-    }
-
-  if (!(flags & GLOB_APPEND))
-    {
-      pglob->gl_pathc = 0;
-      pglob->gl_pathv = NULL;
-    }
-
-  oldcount = pglob->gl_pathc;
-
-#ifndef VMS
-  if ((flags & GLOB_TILDE) && dirname[0] == '~')
-    {
-      if (dirname[1] == '\0' || dirname[1] == '/')
-	{
-	  /* Look up home directory.  */
-	  char *home_dir = getenv ("HOME");
-#ifdef _AMIGA
-	  if (home_dir == NULL || home_dir[0] == '\0')
-	    home_dir = "SYS:";
-#else
-#ifdef WIN32
-	  if (home_dir == NULL || home_dir[0] == '\0')
-            home_dir = "c:/users/default"; /* poor default */
-#else
-	  if (home_dir == NULL || home_dir[0] == '\0')
-	    {
-	      extern char *getlogin __P ((void));
-	      extern int getlogin_r __P ((char *, size_t));
-	      int success;
-
-#if defined HAVE_GETLOGIN_R || defined _LIBC
-	      size_t buflen = sysconf (_SC_LOGIN_NAME_MAX) + 1;
-	      char *name;
-
-	      if (buflen == 0)
-		/* `sysconf' does not support _SC_LOGIN_NAME_MAX.  Try
-		   a moderate value.  */
-		buflen = 16;
-	      name = __alloca (buflen);
-
-	      success = getlogin_r (name, buflen) >= 0;
-#else
-	      char *name;
-	      success = (name = getlogin ()) != NULL;
-#endif
-	      if (success)
-		{
-#if defined HAVE_GETPWNAM_R || defined _LIBC
-		  size_t pwbuflen = sysconf (_SC_GETPW_R_SIZE_MAX);
-		  char *pwtmpbuf;
-		  struct passwd pwbuf, *p;
-
-		  pwtmpbuf = __alloca (pwbuflen);
-
-		  success = (__getpwnam_r (name, &pwbuf, pwtmpbuf,
-					   pwbuflen, &p) >= 0);
-#else
-		  struct passwd *p = getpwnam (name);
-		  success = p != NULL;
-#endif
-		  if (success)
-		    home_dir = p->pw_dir;
-		}
-	    }
-	  if (home_dir == NULL || home_dir[0] == '\0')
-	    home_dir = (char *) "~"; /* No luck.  */
-#endif /* WIN32 */
-#endif
-	  /* Now construct the full directory.  */
-	  if (dirname[1] == '\0')
-	    dirname = home_dir;
-	  else
-	    {
-	      char *newp;
-	      size_t home_len = strlen (home_dir);
-	      newp = __alloca (home_len + dirlen);
-	      memcpy (newp, home_dir, home_len);
-	      memcpy (&newp[home_len], &dirname[1], dirlen);
-	      dirname = newp;
-	    }
-	}
-#if !defined _AMIGA && !defined WIN32
-      else
-	{
-	  char *end_name = strchr (dirname, '/');
-	  char *user_name;
-	  char *home_dir;
-
-	  if (end_name == NULL)
-	    user_name = dirname + 1;
-	  else
-	    {
-	      user_name = __alloca (end_name - dirname);
-	      memcpy (user_name, dirname + 1, end_name - dirname);
-	      user_name[end_name - dirname - 1] = '\0';
-	    }
-
-	  /* Look up specific user's home directory.  */
-	  {
-#if defined HAVE_GETPWNAM_R || defined _LIBC
-	    size_t buflen = sysconf (_SC_GETPW_R_SIZE_MAX);
-	    char *pwtmpbuf = __alloca (buflen);
-	    struct passwd pwbuf, *p;
-	    if (__getpwnam_r (user_name, &pwbuf, pwtmpbuf, buflen, &p) >= 0)
-	      home_dir = p->pw_dir;
-	    else
-	      home_dir = NULL;
-#else
-	    struct passwd *p = getpwnam (user_name);
-	    if (p != NULL)
-	      home_dir = p->pw_dir;
-	    else
-	      home_dir = NULL;
-#endif
-	  }
-	  /* If we found a home directory use this.  */
-	  if (home_dir != NULL)
-	    {
-	      char *newp;
-	      size_t home_len = strlen (home_dir);
-	      size_t rest_len = end_name == NULL ? 0 : strlen (end_name);
-	      newp = __alloca (home_len + rest_len + 1);
-	      memcpy (newp, home_dir, home_len);
-	      memcpy (&newp[home_len], end_name, rest_len);
-	      newp[home_len + rest_len] = '\0';
-	      dirname = newp;
-	    }
-	}
-#endif	/* Not Amiga && not Win32.  */
-    }
-#endif	/* Not VMS.  */
-
-  if (__glob_pattern_p (dirname, !(flags & GLOB_NOESCAPE)))
-    {
-      /* The directory name contains metacharacters, so we
-	 have to glob for the directory, and then glob for
-	 the pattern in each directory found.  */
-      glob_t dirs;
-      register int i;
-
-      status = glob (dirname,
-		     ((flags & (GLOB_ERR | GLOB_NOCHECK | GLOB_NOESCAPE)) |
-		      GLOB_NOSORT),
-		     errfunc, &dirs);
-      if (status != 0)
-	return status;
-
-      /* We have successfully globbed the preceding directory name.
-	 For each name we found, call glob_in_dir on it and FILENAME,
-	 appending the results to PGLOB.  */
-      for (i = 0; i < dirs.gl_pathc; ++i)
-	{
-	  int oldcount;
-
-#ifdef	SHELL
-	  {
-	    /* Make globbing interruptible in the bash shell. */
-	    extern int interrupt_state;
-
-	    if (interrupt_state)
-	      {
-		globfree (&dirs);
-		globfree (&files);
-		return GLOB_ABEND;
-	      }
-	  }
-#endif /* SHELL.  */
-
-	  oldcount = pglob->gl_pathc;
-	  status = glob_in_dir (filename, dirs.gl_pathv[i],
-				((flags | GLOB_APPEND)
-				 & ~(GLOB_NOCHECK | GLOB_ERR)),
-				errfunc, pglob);
-	  if (status == GLOB_NOMATCH)
-	    /* No matches in this directory.  Try the next.  */
-	    continue;
-
-	  if (status != 0)
-	    {
-	      globfree (&dirs);
-	      globfree (pglob);
-	      return status;
-	    }
-
-	  /* Stick the directory on the front of each name.  */
-	  if (prefix_array (dirs.gl_pathv[i],
-			    &pglob->gl_pathv[oldcount],
-			    pglob->gl_pathc - oldcount))
-	    {
-	      globfree (&dirs);
-	      globfree (pglob);
-	      return GLOB_NOSPACE;
-	    }
-	}
-
-      flags |= GLOB_MAGCHAR;
-
-      if (pglob->gl_pathc == oldcount)
-	/* No matches.  */
-	if (flags & GLOB_NOCHECK)
-	  {
-	    size_t len = strlen (pattern) + 1;
-	    char *patcopy = (char *) malloc (len);
-	    if (patcopy == NULL)
-	      return GLOB_NOSPACE;
-	    memcpy (patcopy, pattern, len);
-
-	    pglob->gl_pathv
-	      = (char **) realloc (pglob->gl_pathv,
-				   (pglob->gl_pathc +
-				    ((flags & GLOB_DOOFFS) ?
-				     pglob->gl_offs : 0) +
-				    1 + 1) *
-				   sizeof (char *));
-	    if (pglob->gl_pathv == NULL)
-	      {
-		free (patcopy);
-		return GLOB_NOSPACE;
-	      }
-
-	    if (flags & GLOB_DOOFFS)
-	      while (pglob->gl_pathc < pglob->gl_offs)
-		pglob->gl_pathv[pglob->gl_pathc++] = NULL;
-
-	    pglob->gl_pathv[pglob->gl_pathc++] = patcopy;
-	    pglob->gl_pathv[pglob->gl_pathc] = NULL;
-	    pglob->gl_flags = flags;
-	  }
-	else
-	  return GLOB_NOMATCH;
-    }
-  else
-    {
-      status = glob_in_dir (filename, dirname, flags, errfunc, pglob);
-      if (status != 0)
-	return status;
-
-      if (dirlen > 0)
-	{
-	  /* Stick the directory on the front of each name.  */
-	  if (prefix_array (dirname,
-			    &pglob->gl_pathv[oldcount],
-			    pglob->gl_pathc - oldcount))
-	    {
-	      globfree (pglob);
-	      return GLOB_NOSPACE;
-	    }
-	}
-    }
-
-  if (flags & GLOB_MARK)
-    {
-      /* Append slashes to directory names.  */
-      int i;
-      struct stat st;
-      for (i = oldcount; i < pglob->gl_pathc; ++i)
-	if (((flags & GLOB_ALTDIRFUNC) ?
-	     (*pglob->gl_stat) (pglob->gl_pathv[i], &st) :
-	     __stat (pglob->gl_pathv[i], &st)) == 0 &&
-	    S_ISDIR (st.st_mode))
-	  {
- 	    size_t len = strlen (pglob->gl_pathv[i]) + 2;
-	    char *new = realloc (pglob->gl_pathv[i], len);
- 	    if (new == NULL)
-	      {
-		globfree (pglob);
-		return GLOB_NOSPACE;
-	      }
-	    strcpy (&new[len - 2], "/");
-	    pglob->gl_pathv[i] = new;
-	  }
-    }
-
-  if (!(flags & GLOB_NOSORT))
-    /* Sort the vector.  */
-    qsort ((__ptr_t) &pglob->gl_pathv[oldcount],
-	   pglob->gl_pathc - oldcount,
-	   sizeof (char *), collated_compare);
-
-  return 0;
-}
-
+extern int glob __P ((__const char *__pattern, int __flags,
+		      int (*__errfunc) __P ((__const char *, int)),
+		      glob_t *__pglob));
 
 /* Free storage allocated in PGLOB by a previous `glob' call.  */
-void
-globfree (pglob)
-     register glob_t *pglob;
-{
-  if (pglob->gl_pathv != NULL)
-    {
-      register int i;
-      for (i = 0; i < pglob->gl_pathc; ++i)
-	if (pglob->gl_pathv[i] != NULL)
-	  free ((__ptr_t) pglob->gl_pathv[i]);
-      free ((__ptr_t) pglob->gl_pathv);
-    }
-}
-
-
-/* Do a collated comparison of A and B.  */
-static int
-collated_compare (a, b)
-     const __ptr_t a;
-     const __ptr_t b;
-{
-  const char *const s1 = *(const char *const * const) a;
-  const char *const s2 = *(const char *const * const) b;
-
-  if (s1 == s2)
-    return 0;
-  if (s1 == NULL)
-    return 1;
-  if (s2 == NULL)
-    return -1;
-  return strcoll (s1, s2);
-}
-
-
-/* Prepend DIRNAME to each of N members of ARRAY, replacing ARRAY's
-   elements in place.  Return nonzero if out of memory, zero if successful.
-   A slash is inserted between DIRNAME and each elt of ARRAY,
-   unless DIRNAME is just "/".  Each old element of ARRAY is freed.  */
-static int
-prefix_array (dirname, array, n)
-     const char *dirname;
-     char **array;
-     size_t n;
-{
-  register size_t i;
-  size_t dirlen = strlen (dirname);
-
-  if (dirlen == 1 && dirname[0] == '/')
-    /* DIRNAME is just "/", so normal prepending would get us "//foo".
-       We want "/foo" instead, so don't prepend any chars from DIRNAME.  */
-    dirlen = 0;
-
-  for (i = 0; i < n; ++i)
-    {
-      size_t eltlen = strlen (array[i]) + 1;
-      char *new = (char *) malloc (dirlen + 1 + eltlen);
-      if (new == NULL)
-	{
-	  while (i > 0)
-	    free ((__ptr_t) array[--i]);
-	  return 1;
-	}
-
-      memcpy (new, dirname, dirlen);
-      new[dirlen] = '/';
-      memcpy (&new[dirlen + 1], array[i], eltlen);
-      free ((__ptr_t) array[i]);
-      array[i] = new;
-    }
-
-  return 0;
-}
+extern void globfree __P ((glob_t *__pglob));
 
 
+#ifdef _GNU_SOURCE
 /* Return nonzero if PATTERN contains any metacharacters.
-   Metacharacters can be quoted with backslashes if QUOTE is nonzero.  */
-int
-__glob_pattern_p (pattern, quote)
-     const char *pattern;
-     int quote;
-{
-  register const char *p;
-  int open = 0;
-
-  for (p = pattern; *p != '\0'; ++p)
-    switch (*p)
-      {
-      case '?':
-      case '*':
-	return 1;
-
-      case '\\':
-	if (quote && p[1] != '\0')
-	  ++p;
-	break;
+   Metacharacters can be quoted with backslashes if QUOTE is nonzero.
 
-      case '[':
-	open = 1;
-	break;
-
-      case ']':
-	if (open)
-	  return 1;
-	break;
-      }
-
-  return 0;
-}
-#ifdef _LIBC
-weak_alias (__glob_pattern_p, glob_pattern_p)
-#endif
-
-
-/* Like `glob', but PATTERN is a final pathname component,
-   and matches are searched for in DIRECTORY.
-   The GLOB_NOSORT bit in FLAGS is ignored.  No sorting is ever done.
-   The GLOB_APPEND flag is assumed to be set (always appends).  */
-static int
-glob_in_dir (pattern, directory, flags, errfunc, pglob)
-     const char *pattern;
-     const char *directory;
-     int flags;
-     int (*errfunc) __P ((const char *, int));
-     glob_t *pglob;
-{
-  __ptr_t stream;
-
-  struct globlink
-    {
-      struct globlink *next;
-      char *name;
-    };
-  struct globlink *names = NULL;
-  size_t nfound = 0;
-
-  if (!__glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE)))
-    {
-      /* We must check whether the file in this directory exists.  */
-      stream = ((flags & GLOB_ALTDIRFUNC) ?
-		(*pglob->gl_opendir) (directory) :
-		(__ptr_t) opendir (directory));
-      if (stream == NULL)
-	{
-	  if ((errfunc != NULL && (*errfunc) (directory, errno)) ||
-	      (flags & GLOB_ERR))
-	    return GLOB_ABORTED;
-	}
-      else if (pattern[0] == '\0')
-	{
-	  /* This is a special case for matching directories like in
-	     "*a/".  */
-	  names = (struct globlink *) __alloca (sizeof (struct globlink));
-	  names->name = (char *) malloc (1);
-	  if (names->name == NULL)
-	    goto memory_error;
-	  names->name[0] = '\0';
-	  names->next = NULL;
-	  nfound = 1;
-	}
-      else
-	while (1)
-	  {
-	    struct dirent *d = ((flags & GLOB_ALTDIRFUNC) ?
-				(*pglob->gl_readdir) (stream) :
-				readdir ((DIR *) stream));
-	    if (d == NULL)
-	      break;
-	    if (! REAL_DIR_ENTRY (d))
-	      continue;
-
-	    if (strcmp (pattern, d->d_name) == 0)
-	      {
-		size_t len = NAMLEN (d);
-		names =
-		  (struct globlink *) __alloca (sizeof (struct globlink));
-		names->name = (char *) malloc (len + 1);
-		if (names->name == NULL)
-		  goto memory_error;
-		memcpy ((__ptr_t) names->name, pattern, len);
-		names->name[len] = '\0';
-		names->next = NULL;
-		nfound = 1;
-		break;
-	      }
-	  }
-    }
-  else
-    {
-      flags |= GLOB_MAGCHAR;
-
-      stream = ((flags & GLOB_ALTDIRFUNC) ?
-		(*pglob->gl_opendir) (directory) :
-		(__ptr_t) opendir (directory));
-      if (stream == NULL)
-	{
-	  if ((errfunc != NULL && (*errfunc) (directory, errno)) ||
-	      (flags & GLOB_ERR))
-	    return GLOB_ABEND;
-	}
-      else
-	while (1)
-	  {
-	    const char *name;
-	    size_t len;
-	    struct dirent *d = ((flags & GLOB_ALTDIRFUNC) ?
-				(*pglob->gl_readdir) (stream) :
-				readdir ((DIR *) stream));
-	    if (d == NULL)
-	      break;
-	    if (! REAL_DIR_ENTRY (d))
-	      continue;
-
-	    name = d->d_name;
-
-	    if (fnmatch (pattern, name,
-			 (!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0) |
-			 ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0)
-#ifdef _AMIGA
-			 | FNM_CASEFOLD
+   This function is not part of the interface specified by POSIX.2
+   but several programs want to use it.  */
+extern int __glob_pattern_p __P ((__const char *__pattern, int __quote));
+extern int glob_pattern_p __P ((__const char *__pattern, int __quote));
 #endif
-			 ) == 0)
-	      {
-		struct globlink *new
-		  = (struct globlink *) __alloca (sizeof (struct globlink));
-		len = NAMLEN (d);
-		new->name
-		  = (char *) malloc (len + 1);
-		if (new->name == NULL)
-		  goto memory_error;
-		memcpy ((__ptr_t) new->name, name, len);
-		new->name[len] = '\0';
-		new->next = names;
-		names = new;
-		++nfound;
-	      }
-	  }
-    }
-
-  if (nfound == 0 && (flags & GLOB_NOMAGIC) &&
-      ! __glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE)))
-    flags |= GLOB_NOCHECK;
-
-  if (nfound == 0 && (flags & GLOB_NOCHECK))
-    {
-      size_t len = strlen (pattern);
-      nfound = 1;
-      names = (struct globlink *) __alloca (sizeof (struct globlink));
-      names->next = NULL;
-      names->name = (char *) malloc (len + 1);
-      if (names->name == NULL)
-	goto memory_error;
-      memcpy (names->name, pattern, len);
-      names->name[len] = '\0';
-    }
-
-  if (nfound != 0)
-    {
-      pglob->gl_pathv
-	= (char **) realloc (pglob->gl_pathv,
-			     (pglob->gl_pathc +
-			      ((flags & GLOB_DOOFFS) ? pglob->gl_offs : 0) +
-			      nfound + 1) *
-			     sizeof (char *));
-      if (pglob->gl_pathv == NULL)
-	goto memory_error;
-
-      if (flags & GLOB_DOOFFS)
-	while (pglob->gl_pathc < pglob->gl_offs)
-	  pglob->gl_pathv[pglob->gl_pathc++] = NULL;
 
-      for (; names != NULL; names = names->next)
-	pglob->gl_pathv[pglob->gl_pathc++] = names->name;
-      pglob->gl_pathv[pglob->gl_pathc] = NULL;
-
-      pglob->gl_flags = flags;
-    }
-
-  if (stream != NULL)
-    {
-      int save = errno;
-      if (flags & GLOB_ALTDIRFUNC)
-	(*pglob->gl_closedir) (stream);
-      else
-	closedir ((DIR *) stream);
-      __set_errno (save);
-    }
-  return nfound == 0 ? GLOB_NOMATCH : 0;
-
- memory_error:
-  {
-    int save = errno;
-    if (flags & GLOB_ALTDIRFUNC)
-      (*pglob->gl_closedir) (stream);
-    else
-      closedir ((DIR *) stream);
-    __set_errno (save);
-  }
-  while (names != NULL)
-    {
-      if (names->name != NULL)
-	free ((__ptr_t) names->name);
-      names = names->next;
-    }
-  return GLOB_NOSPACE;
+#ifdef	__cplusplus
 }
+#endif
 
-#endif	/* Not ELIDE_CODE.  */
+#endif /* glob.h  */