changeset 5898:429b55c14554

* MODULES.html.sh: Add glob to Enhanced POSIX.2001 section. * modules/glob: New file. * modules/getlogin_r: Add link to POSIX spec in description. * config/srclist.txt (glob_.h, glob.c): Add these files. * lib/glob_.h, lib/glob.c: New files. * gm4/lob.m4: New file.
author Derek R. Price <derek@ximbiot.com>
date Sun, 29 May 2005 16:56:02 +0000
parents 535cb354305c
children b8fe29ca842c
files ChangeLog MODULES.html MODULES.html.sh config/ChangeLog config/srclist.txt lib/ChangeLog lib/glob.c lib/glob_.h m4/ChangeLog m4/glob.m4 modules/getlogin_r modules/glob
diffstat 12 files changed, 1656 insertions(+), 6 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2005-05-29  Derek Price  <derek@ximbiot.com>
+
+	* MODULES.html.sh: Add glob to Enhanced POSIX.2001 section.
+	* modules/glob: New file.
+	* modules/getlogin_r: Add link to POSIX spec in description.
+
 2005-05-27  Paul Eggert  <eggert@cs.ucla.edu>
 
 	* modules/fts (Files): Remove m4/inttypes-pri.m4.
--- a/MODULES.html
+++ b/MODULES.html
@@ -2,7 +2,7 @@
 <HTML>
   <HEAD>
     <TITLE>Gnulib Module List</TITLE>
-    <META NAME="keywords" CONTENT="acl, alloca, alloca-opt, allocsa, argmatch, argp, argz, assert, atexit, backupfile, base64, bcopy, binary-io, byteswap, c-bs-a, c-ctype, c-stack, c-strtod, c-strtold, calloc, canon-host, canonicalize, chdir-long, chown, classpath, cloexec, closeout, copy-file, cycle-check, diacrit, dirfd, dirname, dummy, dup2, eealloc, error, euidaccess, exclude, execute, exit, exitfail, extensions, fatal-signal, file-type, fileblocks, filemode, findprog, fnmatch, fnmatch-gnu, fnmatch-posix, fpending, free, fsusage, ftruncate, fts, fts-lgpl, full-read, full-write, fwriteerror, gcd, getaddrinfo, getcwd, getdate, getdomainname, getgroups, gethostname, gethrxtime, getline, getloadavg, getlogin_r, getndelim2, getnline, getopt, getpagesize, getpass, getpass-gnu, getsubopt, gettext, gettime, gettimeofday, getugroups, getusershell, group-member, hard-locale, hash, hash-pjw, human, iconv, iconvme, idcache, inet_ntop, inttostr, isdir, javacomp, javaexec, lchown, linebreak, linebuffer, localcharset, long-options, lstat, makepath, malloc, mathl, mbswidth, md5, memcasecmp, memchr, memcmp, memcoll, memcpy, memmem, memmove, mempcpy, memrchr, memset, minmax, mkdir, mkdtemp, mkstemp, mktime, modechange, mountlist, nanosleep, obstack, openat, pagealign_alloc, path-concat, pathmax, pathname, physmem, pipe, poll, posixtm, posixver, progname, putenv, quote, quotearg, raise, readlink, readtokens, readtokens0, readutmp, realloc, regex, rename, restrict, rmdir, rpmatch, safe-read, safe-write, same, save-cwd, savedir, setenv, settime, sh-quote, sha1, sig2str, snprintf, stat, stat-macros, stdbool, stdint, stdio-safer, stpcpy, stpncpy, strcase, strchrnul, strcspn, strdup, strerror, strftime, strndup, strnlen, strpbrk, strsep, strstr, strtod, strtoimax, strtok_r, strtol, strtoll, strtoul, strtoull, strtoumax, strverscmp, sysexits, time_r, timegm, timespec, tzset, ucs4-utf16, ucs4-utf8, ullong_max, unicodeio, unistd-safer, unlinkdir, unlocked-io, userspec, utf16-ucs4, utf8-ucs4, utime, utimecmp, utimens, vasnprintf, vasprintf, version-etc, version-etc-fsf, vsnprintf, wait-process, xalloc, xalloc-die, xallocsa, xgetcwd, xgetdomainname, xgethostname, xmemcoll, xnanosleep, xreadlink, xsetenv, xsize, xstrndup, xstrtod, xstrtoimax, xstrtol, xstrtoumax, xvasprintf, yesno">
+    <META NAME="keywords" CONTENT="acl, alloca, alloca-opt, allocsa, argmatch, argp, argz, assert, atexit, backupfile, base64, bcopy, binary-io, byteswap, calloc, canon-host, canonicalize, c-bs-a, c-ctype, chdir-long, chown, classpath, cloexec, closeout, copy-file, c-stack, c-strtod, c-strtold, cycle-check, diacrit, dirfd, dirname, dummy, dup2, eealloc, error, euidaccess, exclude, execute, exit, exitfail, extensions, fatal-signal, fileblocks, filemode, file-type, findprog, fnmatch, fnmatch-gnu, fnmatch-posix, fpending, free, fsusage, ftruncate, fts, fts-lgpl, full-read, full-write, fwriteerror, gcd, getaddrinfo, getcwd, getdate, getdomainname, getgroups, gethostname, gethrxtime, getline, getloadavg, getlogin_r, getndelim2, getnline, getopt, getpagesize, getpass, getpass-gnu, getsubopt, gettext, gettime, gettimeofday, getugroups, getusershell, glob, group-member, hard-locale, hash, hash-pjw, human, iconv, iconvme, idcache, inet_ntop, inttostr, isdir, javacomp, javaexec, lchown, linebreak, linebuffer, localcharset, long-options, lstat, makepath, malloc, mathl, mbswidth, md5, memcasecmp, memchr, memcmp, memcoll, memcpy, memmem, memmove, mempcpy, memrchr, memset, minmax, mkdir, mkdtemp, mkstemp, mktime, modechange, mountlist, nanosleep, obstack, openat, pagealign_alloc, path-concat, pathmax, pathname, physmem, pipe, poll, posixtm, posixver, progname, putenv, quote, quotearg, raise, readlink, readtokens, readtokens0, readutmp, realloc, regex, rename, restrict, rmdir, rpmatch, safe-read, safe-write, same, save-cwd, savedir, setenv, settime, sha1, sh-quote, sig2str, snprintf, stat, stat-macros, stdbool, stdint, stdio-safer, stpcpy, stpncpy, strcase, strchrnul, strcspn, strdup, strerror, strftime, strndup, strnlen, strpbrk, strsep, strstr, strtod, strtoimax, strtok_r, strtol, strtoll, strtoul, strtoull, strtoumax, strverscmp, sysexits, timegm, time_r, timespec, tzset, ucs4-utf16, ucs4-utf8, ullong_max, unicodeio, unistd-safer, unlinkdir, unlocked-io, userspec, utf16-ucs4, utf8-ucs4, utime, utimecmp, utimens, vasnprintf, vasprintf, version-etc, version-etc-fsf, vsnprintf, wait-process, xalloc, xalloc-die, xallocsa, xgetcwd, xgetdomainname, xgethostname, xmemcoll, xnanosleep, xreadlink, xsetenv, xsize, xstrndup, xstrtod, xstrtoimax, xstrtol, xstrtoumax, xvasprintf, yesno">
   </HEAD>
   <BODY>
     <H1>Gnulib Module List</H1>
@@ -516,7 +516,7 @@
       </TR>
       <TR WIDTH="100%">
         <TD ALIGN=LEFT VALIGN=TOP WIDTH="20%"><A HREF="#module=getlogin_r">getlogin_r</A>
-        <TD ALIGN=LEFT VALIGN=TOP WIDTH="80%">Get user name to a buffer allocated by the caller.
+        <TD ALIGN=LEFT VALIGN=TOP WIDTH="80%"><A HREF="http://www.opengroup.org/onlinepubs/007904975/functions/getlogin_r.html">getlogin_r</A>() function: Get user name to a buffer allocated by the caller.
       </TR>
       <TR WIDTH="100%">
         <TD ALIGN=LEFT VALIGN=TOP WIDTH="20%"><A HREF="#module=getsubopt">getsubopt</A>
@@ -618,6 +618,11 @@
         <TD ALIGN=LEFT VALIGN=TOP WIDTH="80%"><A HREF="http://www.opengroup.org/onlinepubs/007904975/functions/fnmatch.html">fnmatch</A>() function: wildcard matching, with GNU extensions.
       </TR>
       <TR WIDTH="100%">
+        <TD ALIGN=LEFT VALIGN=TOP WIDTH="20%"><A HREF="#module=glob">glob</A>
+        <TD ALIGN=LEFT VALIGN=TOP WIDTH="80%"><A HREF="http://www.opengroup.org/onlinepubs/007904975/functions/glob.html">glob</A>() function: Search for files and directories with paths matching a
+pattern, with GNU extensions.
+      </TR>
+      <TR WIDTH="100%">
         <TD ALIGN=LEFT VALIGN=TOP WIDTH="20%"><A HREF="#module=exclude">exclude</A>
         <TD ALIGN=LEFT VALIGN=TOP WIDTH="80%">Manage list of filenames or wildcard patterns for --exclude option processing.
       </TR>
@@ -2417,6 +2422,13 @@
         <TD ALIGN=LEFT VALIGN=TOP>fnmatch
       </TR>
       <TR>
+        <TD ALIGN=LEFT VALIGN=TOP><A NAME="module=glob"></A><A HREF="modules/glob">glob</A>
+        <TD ALIGN=LEFT VALIGN=TOP>#include &lt;<A HREF="http://www.opengroup.org/onlinepubs/007904975/basedefs/glob.h.html">glob.h</A>&gt;
+        <TD ALIGN=LEFT VALIGN=TOP><A HREF="lib/glob_.h">glob_.h</A><BR><A HREF="lib/glob.c">glob.c</A>
+        <TD ALIGN=LEFT VALIGN=TOP><A HREF="m4/d-type.m4">d-type.m4</A><BR><A HREF="m4/glob.m4">glob.m4</A><BR>gl_GLOB
+        <TD ALIGN=LEFT VALIGN=TOP>alloca<BR>extensions<BR>fnmatch<BR>getlogin_r<BR>mempcpy<BR>restrict<BR>stat-macros<BR>stdbool<BR>strdup
+      </TR>
+      <TR>
         <TD ALIGN=LEFT VALIGN=TOP><A NAME="module=exclude"></A><A HREF="modules/exclude">exclude</A>
         <TD ALIGN=LEFT VALIGN=TOP>#include "<A HREF="lib/exclude.h">exclude.h</A>"
         <TD ALIGN=LEFT VALIGN=TOP><A HREF="lib/exclude.c">exclude.c</A>
@@ -3332,7 +3344,6 @@
     <H2>Lone files - please create new modules containing them</H2>
     <PRE>
 <A HREF="lib/progreloc.c">lib/progreloc.c</A>
-<A HREF="m4/d-type.m4">m4/d-type.m4</A>
 <A HREF="m4/host-os.m4">m4/host-os.m4</A>
 <A HREF="m4/jm-winsz1.m4">m4/jm-winsz1.m4</A>
 <A HREF="m4/jm-winsz2.m4">m4/jm-winsz2.m4</A>
@@ -3359,6 +3370,6 @@
       <LI>A testsuite
     </UL>
     <HR>
-    Generated from <CODE>MODULES.html.sh</CODE> on 28 May 2005.
+    Generated from <CODE>MODULES.html.sh</CODE> on 29 May 2005.
   </BODY>
 </HTML>
--- a/MODULES.html.sh
+++ b/MODULES.html.sh
@@ -1780,6 +1780,7 @@
   func_module fnmatch
   func_module fnmatch-posix
   func_module fnmatch-gnu
+  func_module glob
   func_module exclude
   func_end_table
 
--- a/config/ChangeLog
+++ b/config/ChangeLog
@@ -1,3 +1,7 @@
+2005-05-29  Derek Price  <derek@ximbiot.com>
+
+	* srclist.txt (glob_.h, glob.c): Add these files.
+
 2005-05-10  Karl Berry  <karl@gnu.org>
 
 	* srclist.txt (COPYING.LESSER): rename from COPYING.LIB.
--- a/config/srclist.txt
+++ b/config/srclist.txt
@@ -1,4 +1,4 @@
-# $Id: srclist.txt,v 1.62 2005-05-10 20:44:25 karl Exp $
+# $Id: srclist.txt,v 1.63 2005-05-29 16:56:02 dprice Exp $
 # Files for which we are not the source.  See ./srclistvars.sh for the
 # variable definitions.
 
@@ -111,6 +111,7 @@
 #$LIBCSRC/misc/error.h			lib gpl
 #$LIBCSRC/misc/getpass.c		lib gpl
 #$LIBCSRC/misc/mkstemp.c		lib gpl
+#$LIBCSRC/posix/glob.h			lib gpl (glob_.h in gnulib)
 #$LIBCSRC/posix/fnmatch.c		lib gpl
 #$LIBCSRC/posix/fnmatch.h		lib gpl (fnmatch_.h in gnulib)
 #$LIBCSRC/posix/fnmatch_loop.c		lib gpl
@@ -119,6 +120,7 @@
 #$LIBCSRC/stdlib/rpmatch.c		lib gpl
 #$LIBCSRC/string/strndup.c		lib gpl
 #$LIBCSRC/string/strverscmp.c		lib gpl
+#$LIBCSRC/sysdeps/generic/glob.c	lib gpl
 #$LIBCSRC/sysdeps/generic/memchr.c	lib gpl
 #$LIBCSRC/sysdeps/generic/memcmp.c	lib gpl
 #$LIBCSRC/sysdeps/generic/memrchr.c	lib gpl
--- a/lib/ChangeLog
+++ b/lib/ChangeLog
@@ -1,3 +1,8 @@
+2005-05-29  Derek Price  <derek@ximbiot.com>
+	    Paul Eggert  <eggert@cs.ucla.edu>
+
+	* glob_.h, glob.c: New files.
+
 2005-05-27  Paul Eggert  <eggert@cs.ucla.edu>
 
 	* getlogin_r.c (getlogin_r): Don't set errno to 0 on return.
new file mode 100644
--- /dev/null
+++ b/lib/glob.c
@@ -0,0 +1,1284 @@
+/* Copyright (C) 1991-2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifdef	HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <glob.h>
+
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stddef.h>
+
+/* Outcomment the following line for production quality code.  */
+/* #define NDEBUG 1 */
+#include <assert.h>
+
+#include <stdio.h>		/* Needed on stupid SunOS for assert.  */
+
+#if !defined _LIBC || !defined GLOB_ONLY_P
+#if defined HAVE_UNISTD_H || defined _LIBC
+# include <unistd.h>
+# ifndef POSIX
+#  ifdef _POSIX_VERSION
+#   define POSIX
+#  endif
+# endif
+#endif
+
+#include <pwd.h>
+
+#include <errno.h>
+#ifndef __set_errno
+# define __set_errno(val) errno = (val)
+#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>
+# 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
+
+/* When used in the GNU libc the symbol _DIRENT_HAVE_D_TYPE is available
+   if the `d_type' member for `struct dirent' is available.
+   HAVE_STRUCT_DIRENT_D_TYPE plays the same role in GNULIB.  */
+#if defined _DIRENT_HAVE_D_TYPE || defined HAVE_STRUCT_DIRENT_D_TYPE
+/* True if the directory entry D must be of type T.  */
+# define DIRENT_MUST_BE(d, t)	((d)->d_type == (t))
+
+/* True if the directory entry D might be a symbolic link.  */
+# define DIRENT_MIGHT_BE_SYMLINK(d) \
+    ((d)->d_type == DT_UNKNOWN || (d)->d_type == DT_LNK)
+
+/* True if the directory entry D might be a directory.  */
+# define DIRENT_MIGHT_BE_DIR(d)	 \
+    ((d)->d_type == DT_DIR || DIRENT_MIGHT_BE_SYMLINK (d))
+
+#else /* !HAVE_D_TYPE */
+# define DIRENT_MUST_BE(d, t)		false
+# define DIRENT_MIGHT_BE_SYMLINK(d)	true
+# define DIRENT_MIGHT_BE_DIR(d)		true
+#endif /* HAVE_D_TYPE */
+
+/* If the system has the `struct dirent64' type we use it internally.  */
+#if defined _LIBC && !defined COMPILE_GLOB64
+# if defined HAVE_DIRENT_H || defined __GNU_LIBRARY__
+#  define CONVERT_D_NAMLEN(d64, d32)
+# else
+#  define CONVERT_D_NAMLEN(d64, d32) \
+  (d64)->d_namlen = (d32)->d_namlen;
+# endif
+
+# if (defined POSIX || defined WINDOWS32) && !defined __GNU_LIBRARY__
+#  define CONVERT_D_INO(d64, d32)
+# else
+#  define CONVERT_D_INO(d64, d32) \
+  (d64)->d_ino = (d32)->d_ino;
+# endif
+
+# ifdef _DIRENT_HAVE_D_TYPE
+#  define CONVERT_D_TYPE(d64, d32) \
+  (d64)->d_type = (d32)->d_type;
+# else
+#  define CONVERT_D_TYPE(d64, d32)
+# endif
+
+# define CONVERT_DIRENT_DIRENT64(d64, d32) \
+  memcpy ((d64)->d_name, (d32)->d_name, NAMLEN (d32) + 1);		      \
+  CONVERT_D_NAMLEN (d64, d32)						      \
+  CONVERT_D_INO (d64, d32)						      \
+  CONVERT_D_TYPE (d64, d32)
+#endif
+
+
+#if (defined POSIX || defined WINDOWS32) && !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 */
+
+#include <stdlib.h>
+#include <string.h>
+
+/* NAME_MAX is usually defined in <dirent.h> or <limits.h>.  */
+#include <limits.h>
+#ifndef NAME_MAX
+# define NAME_MAX (sizeof (((struct dirent *) 0)->d_name))
+#endif
+
+#include <alloca.h>
+
+#ifdef _LIBC
+# undef strdup
+# define strdup(str) __strdup (str)
+# define sysconf(id) __sysconf (id)
+# define closedir(dir) __closedir (dir)
+# define opendir(name) __opendir (name)
+# define readdir(str) __readdir64 (str)
+# define getpwnam_r(name, bufp, buf, len, res) \
+   __getpwnam_r (name, bufp, buf, len, res)
+# ifndef __stat64
+#  define __stat64(fname, buf) __xstat64 (_STAT_VER, fname, buf)
+# endif
+# define struct_stat64		struct stat64
+#else /* !_LIBC */
+# include "getlogin_r.h"
+# include "mempcpy.h"
+# include "stat-macros.h"
+# include "strdup.h"
+# define __stat64(fname, buf)	stat (fname, buf)
+# define struct_stat64		struct stat
+# define __stat(fname, buf)	stat (fname, buf)
+# define __alloca		alloca
+# define __readdir		readdir
+# define __readdir64		readdir64
+# define __glob_pattern_p	glob_pattern_p
+#endif /* _LIBC */
+
+#include <stdbool.h>
+#include <fnmatch.h>
+
+#ifdef _SC_GETPW_R_SIZE_MAX
+# define GETPW_R_SIZE_MAX()	sysconf (_SC_GETPW_R_SIZE_MAX)
+#else
+# define GETPW_R_SIZE_MAX()	(-1)
+#endif
+#ifdef _SC_LOGIN_NAME_MAX
+# define LOGIN_NAME_MAX()	sysconf (_SC_LOGIN_NAME_MAX)
+#else
+# define LOGIN_NAME_MAX()	(-1)
+#endif
+
+static const char *next_brace_sub (const char *begin, int flags) __THROW;
+
+#endif /* !defined _LIBC || !defined GLOB_ONLY_P */
+
+static int glob_in_dir (const char *pattern, const char *directory,
+			int flags, int (*errfunc) (const char *, int),
+			glob_t *pglob);
+
+#if !defined _LIBC || !defined GLOB_ONLY_P
+static int prefix_array (const char *prefix, char **array, size_t n) __THROW;
+static int collated_compare (const void *, const void *) __THROW;
+
+
+/* Find the end of the sub-pattern in a brace expression.  */
+static const char *
+next_brace_sub (const char *cp, int flags)
+{
+  unsigned int depth = 0;
+  while (*cp != '\0')
+    if ((flags & GLOB_NOESCAPE) == 0 && *cp == '\\')
+      {
+	if (*++cp == '\0')
+	  break;
+	++cp;
+      }
+    else
+      {
+	if ((*cp == '}' && depth-- == 0) || (*cp == ',' && depth == 0))
+	  break;
+
+	if (*cp++ == '{')
+	  depth++;
+      }
+
+  return *cp != '\0' ? cp : NULL;
+}
+
+#endif /* !defined _LIBC || !defined GLOB_ONLY_P */
+
+/* Do glob searching for PATTERN, placing results in PGLOB.
+   The bits defined above may be set in FLAGS.
+   If a directory cannot be opened or read and ERRFUNC is not nil,
+   it is called with the pathname that caused the error, and the
+   `errno' value from the failing call; if it returns non-zero
+   `glob' returns GLOB_ABORTED; if it returns zero, the error is ignored.
+   If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned.
+   Otherwise, `glob' returns zero.  */
+int
+#ifdef GLOB_ATTRIBUTE
+GLOB_ATTRIBUTE
+#endif
+glob (const char *pattern, int flags,
+      int (*errfunc) (const char *, int),
+      glob_t *pglob)
+{
+  const char *filename;
+  const char *dirname;
+  size_t dirlen;
+  int status;
+  size_t oldcount;
+
+  if (pattern == NULL || pglob == NULL || (flags & ~__GLOB_FLAGS) != 0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (!(flags & GLOB_DOOFFS))
+    /* Have to do this so `globfree' knows where to start freeing.  It
+       also makes all the code that uses gl_offs simpler. */
+    pglob->gl_offs = 0;
+
+  if (flags & GLOB_BRACE)
+    {
+      const char *begin;
+
+      if (flags & GLOB_NOESCAPE)
+	begin = strchr (pattern, '{');
+      else
+	{
+	  begin = pattern;
+	  while (1)
+	    {
+	      if (*begin == '\0')
+		{
+		  begin = NULL;
+		  break;
+		}
+
+	      if (*begin == '\\' && begin[1] != '\0')
+		++begin;
+	      else if (*begin == '{')
+		break;
+
+	      ++begin;
+	    }
+	}
+
+      if (begin != NULL)
+	{
+	  /* Allocate working buffer large enough for our work.  Note that
+	    we have at least an opening and closing brace.  */
+	  size_t 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 = malloc (strlen (pattern) - 1);
+	  if (onealt == NULL)
+	    {
+	      if (!(flags & GLOB_APPEND))
+		{
+		  pglob->gl_pathc = 0;
+		  pglob->gl_pathv = NULL;
+		}
+	      return GLOB_NOSPACE;
+	    }
+#endif
+
+	  /* We know the prefix for all sub-patterns.  */
+	  alt_start = mempcpy (onealt, pattern, 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, flags);
+	  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, flags);
+	      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.  */
+	      mempcpy (mempcpy (alt_start, p, 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);
+		      pglob->gl_pathc = 0;
+		    }
+		  return result;
+		}
+
+	      if (*next == '}')
+		/* We saw the last entry.  */
+		break;
+
+	      p = next + 1;
+	      next = next_brace_sub (p, flags);
+	      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 defined __MSDOS__ || defined WINDOWS32
+  /* The case of "d:pattern".  Since `:' is not allowed in
+     file names, we can safely assume that wherever it
+     happens in pattern, it signals the filename part.  This
+     is so we could some day support patterns like "[a-z]:foo".  */
+  if (filename == NULL)
+    filename = strchr (pattern, ':');
+#endif /* __MSDOS__ || WINDOWS32 */
+  if (filename == NULL)
+    {
+      /* This can mean two things: a simple name or "~name".  The latter
+	 case is nothing but a notation for a directory.  */
+      if ((flags & (GLOB_TILDE|GLOB_TILDE_CHECK)) && pattern[0] == '~')
+	{
+	  dirname = pattern;
+	  dirlen = strlen (pattern);
+
+	  /* Set FILENAME to NULL as a special flag.  This is ugly but
+	     other solutions would require much more code.  We test for
+	     this special case below.  */
+	  filename = NULL;
+	}
+      else
+	{
+	  filename = pattern;
+#ifdef _AMIGA
+	  dirname = "";
+#else
+	  dirname = ".";
+#endif
+	  dirlen = 0;
+	}
+    }
+  else if (filename == pattern)
+    {
+      /* "/pattern".  */
+      dirname = "/";
+      dirlen = 1;
+      ++filename;
+    }
+  else
+    {
+      char *newp;
+      dirlen = filename - pattern;
+#if defined __MSDOS__ || defined WINDOWS32
+      if (*filename == ':'
+	  || (filename > pattern + 1 && filename[-1] == ':'))
+	{
+	  char *drive_spec;
+
+	  ++dirlen;
+	  drive_spec = __alloca (dirlen + 1);
+	  *((char *) mempcpy (drive_spec, pattern, dirlen)) = '\0';
+	  /* For now, disallow wildcards in the drive spec, to
+	     prevent infinite recursion in glob.  */
+	  if (__glob_pattern_p (drive_spec, !(flags & GLOB_NOESCAPE)))
+	    return GLOB_NOMATCH;
+	  /* If this is "d:pattern", we need to copy `:' to DIRNAME
+	     as well.  If it's "d:/pattern", don't remove the slash
+	     from "d:/", since "d:" and "d:/" are not the same.*/
+	}
+#endif
+      newp = __alloca (dirlen + 1);
+      *((char *) mempcpy (newp, pattern, dirlen)) = '\0';
+      dirname = newp;
+      ++filename;
+
+      if (filename[0] == '\0'
+#if defined __MSDOS__ || defined WINDOWS32
+          && dirname[dirlen - 1] != ':'
+	  && (dirlen < 3 || dirname[dirlen - 2] != ':'
+	      || dirname[dirlen - 1] != '/')
+#endif
+	  && 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;
+      if (!(flags & GLOB_DOOFFS))
+        pglob->gl_pathv = NULL;
+      else
+	{
+	  size_t i;
+	  pglob->gl_pathv = malloc ((pglob->gl_offs + 1) * sizeof (char *));
+	  if (pglob->gl_pathv == NULL)
+	    return GLOB_NOSPACE;
+
+	  for (i = 0; i <= pglob->gl_offs; ++i)
+	    pglob->gl_pathv[i] = NULL;
+	}
+    }
+
+  oldcount = pglob->gl_pathc + pglob->gl_offs;
+
+#ifndef VMS
+  if ((flags & (GLOB_TILDE|GLOB_TILDE_CHECK)) && dirname[0] == '~')
+    {
+      if (dirname[1] == '\0' || dirname[1] == '/')
+	{
+	  /* Look up home directory.  */
+	  const char *home_dir = getenv ("HOME");
+# ifdef _AMIGA
+	  if (home_dir == NULL || home_dir[0] == '\0')
+	    home_dir = "SYS:";
+# else
+#  ifdef WINDOWS32
+	  if (home_dir == NULL || home_dir[0] == '\0')
+            home_dir = "c:/users/default"; /* poor default */
+#  else
+	  if (home_dir == NULL || home_dir[0] == '\0')
+	    {
+	      int success;
+	      char *name;
+	      size_t buflen = LOGIN_NAME_MAX() + 1;
+
+	      if (buflen == 0)
+		/* `sysconf' does not support _SC_LOGIN_NAME_MAX.  Try
+		   a moderate value.  */
+		buflen = 20;
+	      name = __alloca (buflen);
+
+	      success = getlogin_r (name, buflen) == 0;
+	      if (success)
+		{
+		  struct passwd *p;
+#   if defined HAVE_GETPWNAM_R || defined _LIBC
+		  long int pwbuflen = GETPW_R_SIZE_MAX ();
+		  char *pwtmpbuf;
+		  struct passwd pwbuf;
+		  int save = errno;
+
+#    ifndef _LIBC
+		  if (pwbuflen == -1)
+		    /* `sysconf' does not support _SC_GETPW_R_SIZE_MAX.
+		       Try a moderate value.  */
+		    pwbuflen = 1024;
+#    endif
+		  pwtmpbuf = __alloca (pwbuflen);
+
+		  while (getpwnam_r (name, &pwbuf, pwtmpbuf, pwbuflen, &p)
+			 != 0)
+		    {
+		      if (errno != ERANGE)
+			{
+			  p = NULL;
+			  break;
+			}
+#    ifdef _LIBC
+		      pwtmpbuf = extend_alloca (pwtmpbuf, pwbuflen,
+						2 * pwbuflen);
+#    else
+		      pwbuflen *= 2;
+		      pwtmpbuf = __alloca (pwbuflen);
+#    endif
+		      __set_errno (save);
+		    }
+#   else
+		  p = getpwnam (name);
+#   endif
+		  if (p != NULL)
+		    home_dir = p->pw_dir;
+		}
+	    }
+	  if (home_dir == NULL || home_dir[0] == '\0')
+	    {
+	      if (flags & GLOB_TILDE_CHECK)
+		return GLOB_NOMATCH;
+	      else
+		home_dir = "~"; /* No luck.  */
+	    }
+#  endif /* WINDOWS32 */
+# 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);
+	      mempcpy (mempcpy (newp, home_dir, home_len),
+		       &dirname[1], dirlen);
+	      dirname = newp;
+	    }
+	}
+# if !defined _AMIGA && !defined WINDOWS32
+      else
+	{
+	  char *end_name = strchr (dirname, '/');
+	  const char *user_name;
+	  const char *home_dir;
+
+	  if (end_name == NULL)
+	    user_name = dirname + 1;
+	  else
+	    {
+	      char *newp;
+	      newp = __alloca (end_name - dirname);
+	      *((char *) mempcpy (newp, dirname + 1, end_name - dirname))
+		= '\0';
+	      user_name = newp;
+	    }
+
+	  /* Look up specific user's home directory.  */
+	  {
+	    struct passwd *p;
+#  if defined HAVE_GETPWNAM_R || defined _LIBC
+	    long int buflen = GETPW_R_SIZE_MAX ();
+	    char *pwtmpbuf;
+	    struct passwd pwbuf;
+	    int save = errno;
+
+#   ifndef _LIBC
+	    if (buflen == -1)
+	      /* `sysconf' does not support _SC_GETPW_R_SIZE_MAX.  Try a
+		 moderate value.  */
+	      buflen = 1024;
+#   endif
+	    pwtmpbuf = __alloca (buflen);
+
+	    while (getpwnam_r (user_name, &pwbuf, pwtmpbuf, buflen, &p) != 0)
+	      {
+		if (errno != ERANGE)
+		  {
+		    p = NULL;
+		    break;
+		  }
+#   ifdef _LIBC
+		pwtmpbuf = extend_alloca (pwtmpbuf, buflen, 2 * buflen);
+#   else
+		buflen *= 2;
+		pwtmpbuf = __alloca (buflen);
+#   endif
+		__set_errno (save);
+	      }
+#  else
+	    p = getpwnam (user_name);
+#  endif
+	    if (p != NULL)
+	      home_dir = p->pw_dir;
+	    else
+	      home_dir = NULL;
+	  }
+	  /* 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);
+	      *((char *) mempcpy (mempcpy (newp, home_dir, home_len),
+				  end_name, rest_len)) = '\0';
+	      dirname = newp;
+	    }
+	  else
+	    if (flags & GLOB_TILDE_CHECK)
+	      /* We have to regard it as an error if we cannot find the
+		 home directory.  */
+	      return GLOB_NOMATCH;
+	}
+# endif	/* Not Amiga && not WINDOWS32.  */
+    }
+#endif	/* Not VMS.  */
+
+  /* Now test whether we looked for "~" or "~NAME".  In this case we
+     can give the answer now.  */
+  if (filename == NULL)
+    {
+      struct stat st;
+      struct_stat64 st64;
+
+      /* Return the directory if we don't check for error or if it exists.  */
+      if ((flags & GLOB_NOCHECK)
+	  || (((flags & GLOB_ALTDIRFUNC)
+	       ? ((*pglob->gl_stat) (dirname, &st) == 0
+		  && S_ISDIR (st.st_mode))
+	       : (__stat64 (dirname, &st64) == 0 && S_ISDIR (st64.st_mode)))))
+	{
+	  int newcount = pglob->gl_pathc + pglob->gl_offs;
+	  char **new_gl_pathv;
+
+	  new_gl_pathv
+	    = realloc (pglob->gl_pathv, (newcount + 1 + 1) * sizeof (char *));
+	  if (new_gl_pathv == NULL)
+	    {
+	    nospace:
+	      free (pglob->gl_pathv);
+	      pglob->gl_pathv = NULL;
+	      pglob->gl_pathc = 0;
+	      return GLOB_NOSPACE;
+	    }
+	  pglob->gl_pathv = new_gl_pathv;
+
+	   pglob->gl_pathv[newcount] = strdup (dirname);
+	  if (pglob->gl_pathv[newcount] == NULL)
+	    goto nospace;
+	  pglob->gl_pathv[++newcount] = NULL;
+	  ++pglob->gl_pathc;
+	  pglob->gl_flags = flags;
+
+	  return 0;
+	}
+
+      /* Not found.  */
+      return GLOB_NOMATCH;
+    }
+
+  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;
+      size_t i;
+
+      if ((flags & GLOB_ALTDIRFUNC) != 0)
+	{
+	  /* Use the alternative access functions also in the recursive
+	     call.  */
+	  dirs.gl_opendir = pglob->gl_opendir;
+	  dirs.gl_readdir = pglob->gl_readdir;
+	  dirs.gl_closedir = pglob->gl_closedir;
+	  dirs.gl_stat = pglob->gl_stat;
+	  dirs.gl_lstat = pglob->gl_lstat;
+	}
+
+      status = glob (dirname,
+		     ((flags & (GLOB_ERR | GLOB_NOCHECK | GLOB_NOESCAPE
+				| GLOB_ALTDIRFUNC))
+		      | GLOB_NOSORT | GLOB_ONLYDIR),
+		     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 old_pathc;
+
+#ifdef	SHELL
+	  {
+	    /* Make globbing interruptible in the bash shell. */
+	    extern int interrupt_state;
+
+	    if (interrupt_state)
+	      {
+		globfree (&dirs);
+		return GLOB_ABORTED;
+	      }
+	  }
+#endif /* SHELL.  */
+
+	  old_pathc = pglob->gl_pathc;
+	  status = glob_in_dir (filename, dirs.gl_pathv[i],
+				((flags | GLOB_APPEND)
+				 & ~(GLOB_NOCHECK | GLOB_NOMAGIC)),
+				errfunc, pglob);
+	  if (status == GLOB_NOMATCH)
+	    /* No matches in this directory.  Try the next.  */
+	    continue;
+
+	  if (status != 0)
+	    {
+	      globfree (&dirs);
+	      globfree (pglob);
+	      pglob->gl_pathc = 0;
+	      return status;
+	    }
+
+	  /* Stick the directory on the front of each name.  */
+	  if (prefix_array (dirs.gl_pathv[i],
+			    &pglob->gl_pathv[old_pathc + pglob->gl_offs],
+			    pglob->gl_pathc - old_pathc))
+	    {
+	      globfree (&dirs);
+	      globfree (pglob);
+	      pglob->gl_pathc = 0;
+	      return GLOB_NOSPACE;
+	    }
+	}
+
+      flags |= GLOB_MAGCHAR;
+
+      /* We have ignored the GLOB_NOCHECK flag in the `glob_in_dir' calls.
+	 But if we have not found any matching entry and the GLOB_NOCHECK
+	 flag was set we must return the input pattern itself.  */
+      if (pglob->gl_pathc + pglob->gl_offs == oldcount)
+	{
+	  /* No matches.  */
+	  if (flags & GLOB_NOCHECK)
+	    {
+	      int newcount = pglob->gl_pathc + pglob->gl_offs;
+	      char **new_gl_pathv;
+
+	      new_gl_pathv = realloc (pglob->gl_pathv,
+				      (newcount + 2) * sizeof (char *));
+	      if (new_gl_pathv == NULL)
+		{
+		  globfree (&dirs);
+		  return GLOB_NOSPACE;
+		}
+	      pglob->gl_pathv = new_gl_pathv;
+
+	      pglob->gl_pathv[newcount] = strdup (pattern);
+	      if (pglob->gl_pathv[newcount] == NULL)
+		{
+		  globfree (&dirs);
+		  globfree (pglob);
+		  pglob->gl_pathc = 0;
+		  return GLOB_NOSPACE;
+		}
+
+	      ++pglob->gl_pathc;
+	      ++newcount;
+
+	      pglob->gl_pathv[newcount] = NULL;
+	      pglob->gl_flags = flags;
+	    }
+	  else
+	    {
+	      globfree (&dirs);
+	      return GLOB_NOMATCH;
+	    }
+	}
+
+      globfree (&dirs);
+    }
+  else
+    {
+      int old_pathc = pglob->gl_pathc;
+
+      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[old_pathc + pglob->gl_offs],
+			    pglob->gl_pathc - old_pathc))
+	    {
+	      globfree (pglob);
+	      pglob->gl_pathc = 0;
+	      return GLOB_NOSPACE;
+	    }
+	}
+    }
+
+  if (!(flags & GLOB_NOSORT))
+    {
+      /* Sort the vector.  */
+      qsort (&pglob->gl_pathv[oldcount],
+	     pglob->gl_pathc + pglob->gl_offs - oldcount,
+	     sizeof (char *), collated_compare);
+    }
+
+  return 0;
+}
+#if defined _LIBC && !defined glob
+libc_hidden_def (glob)
+#endif
+
+
+#if !defined _LIBC || !defined GLOB_ONLY_P
+
+/* Free storage allocated in PGLOB by a previous `glob' call.  */
+void
+globfree (register glob_t *pglob)
+{
+  if (pglob->gl_pathv != NULL)
+    {
+      size_t i;
+      for (i = 0; i < pglob->gl_pathc; ++i)
+	if (pglob->gl_pathv[pglob->gl_offs + i] != NULL)
+	  free (pglob->gl_pathv[pglob->gl_offs + i]);
+      free (pglob->gl_pathv);
+      pglob->gl_pathv = NULL;
+    }
+}
+#if defined _LIBC && !defined globfree
+libc_hidden_def (globfree)
+#endif
+
+
+/* Do a collated comparison of A and B.  */
+static int
+collated_compare (const void *a, const void *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 (const char *dirname, char **array, size_t n)
+{
+  register size_t i;
+  size_t dirlen = strlen (dirname);
+#if defined __MSDOS__ || defined WINDOWS32
+  int sep_char = '/';
+# define DIRSEP_CHAR sep_char
+#else
+# define DIRSEP_CHAR '/'
+#endif
+
+  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;
+#if defined __MSDOS__ || defined WINDOWS32
+  else if (dirlen > 1)
+    {
+      if (dirname[dirlen - 1] == '/' && dirname[dirlen - 2] == ':')
+	/* DIRNAME is "d:/".  Don't prepend the slash from DIRNAME.  */
+	--dirlen;
+      else if (dirname[dirlen - 1] == ':')
+	{
+	  /* DIRNAME is "d:".  Use `:' instead of `/'.  */
+	  --dirlen;
+	  sep_char = ':';
+	}
+    }
+#endif
+
+  for (i = 0; i < n; ++i)
+    {
+      size_t eltlen = strlen (array[i]) + 1;
+      char *new = malloc (dirlen + 1 + eltlen);
+      if (new == NULL)
+	{
+	  while (i > 0)
+	    free (array[--i]);
+	  return 1;
+	}
+
+      {
+	char *endp = mempcpy (new, dirname, dirlen);
+	*endp++ = DIRSEP_CHAR;
+	mempcpy (endp, array[i], eltlen);
+      }
+      free (array[i]);
+      array[i] = new;
+    }
+
+  return 0;
+}
+
+
+/* We must not compile this function twice.  */
+#if !defined _LIBC || !defined NO_GLOB_PATTERN_P
+/* Return nonzero if PATTERN contains any metacharacters.
+   Metacharacters can be quoted with backslashes if QUOTE is nonzero.  */
+int
+__glob_pattern_p (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;
+
+      case '[':
+	open = 1;
+	break;
+
+      case ']':
+	if (open)
+	  return 1;
+	break;
+      }
+
+  return 0;
+}
+# ifdef _LIBC
+weak_alias (__glob_pattern_p, glob_pattern_p)
+# endif
+#endif
+
+#endif /* !GLOB_ONLY_P */
+
+
+/* We put this in a separate function mainly to allow the memory
+   allocated with alloca to be recycled.  */
+#if !defined _LIBC || !defined GLOB_ONLY_P
+static bool
+is_dir_p (const char *dir, size_t dirlen, const char *fname,
+	  glob_t *pglob, int flags)
+{
+  size_t fnamelen = strlen (fname);
+  char *fullname = __alloca (dirlen + 1 + fnamelen + 1);
+  struct stat st;
+  struct_stat64 st64;
+
+  mempcpy (mempcpy (mempcpy (fullname, dir, dirlen), "/", 1),
+	   fname, fnamelen + 1);
+
+  return ((flags & GLOB_ALTDIRFUNC)
+	  ? (*pglob->gl_stat) (fullname, &st) == 0 && S_ISDIR (st.st_mode)
+	  : __stat64 (fullname, &st64) == 0 && S_ISDIR (st64.st_mode));
+}
+#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 (const char *pattern, const char *directory, int flags,
+	     int (*errfunc) (const char *, int),
+	     glob_t *pglob)
+{
+  size_t dirlen = strlen (directory);
+  void *stream = NULL;
+  struct globlink
+    {
+      struct globlink *next;
+      char *name;
+    };
+  struct globlink *names = NULL;
+  size_t nfound;
+  int meta;
+  int save;
+
+  meta = __glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE));
+  if (meta == 0 && (flags & (GLOB_NOCHECK|GLOB_NOMAGIC)))
+    {
+      /* We need not do any tests.  The PATTERN contains no meta
+	 characters and we must not return an error therefore the
+	 result will always contain exactly one name.  */
+      flags |= GLOB_NOCHECK;
+      nfound = 0;
+    }
+  else if (meta == 0 &&
+	   ((flags & GLOB_NOESCAPE) || strchr (pattern, '\\') == NULL))
+    {
+      /* Since we use the normal file functions we can also use stat()
+	 to verify the file is there.  */
+      struct stat st;
+      struct_stat64 st64;
+      size_t patlen = strlen (pattern);
+      char *fullname = __alloca (dirlen + 1 + patlen + 1);
+
+      mempcpy (mempcpy (mempcpy (fullname, directory, dirlen),
+			"/", 1),
+	       pattern, patlen + 1);
+      if (((flags & GLOB_ALTDIRFUNC)
+	   ? (*pglob->gl_stat) (fullname, &st)
+	   : __stat64 (fullname, &st64)) == 0)
+	/* We found this file to be existing.  Now tell the rest
+	   of the function to copy this name into the result.  */
+	flags |= GLOB_NOCHECK;
+
+      nfound = 0;
+    }
+  else
+    {
+      if (pattern[0] == '\0')
+	{
+	  /* This is a special case for matching directories like in
+	     "*a/".  */
+	  names = __alloca (sizeof (struct globlink));
+	  names->name = malloc (1);
+	  if (names->name == NULL)
+	    goto memory_error;
+	  names->name[0] = '\0';
+	  names->next = NULL;
+	  nfound = 1;
+	  meta = 0;
+	}
+      else
+	{
+	  stream = ((flags & GLOB_ALTDIRFUNC)
+		    ? (*pglob->gl_opendir) (directory)
+		    : opendir (directory));
+	  if (stream == NULL)
+	    {
+	      if (errno != ENOTDIR
+		  && ((errfunc != NULL && (*errfunc) (directory, errno))
+		      || (flags & GLOB_ERR)))
+		return GLOB_ABORTED;
+	      nfound = 0;
+	      meta = 0;
+	    }
+	  else
+	    {
+	      int fnm_flags = ((!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0)
+			       | ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0)
+#if defined _AMIGA || defined VMS
+			       | FNM_CASEFOLD
+#endif
+			       );
+	      nfound = 0;
+	      flags |= GLOB_MAGCHAR;
+
+	      while (1)
+		{
+		  const char *name;
+		  size_t len;
+#if defined _LIBC && !defined COMPILE_GLOB64
+		  struct dirent64 *d;
+		  union
+		    {
+		      struct dirent64 d64;
+		      char room [offsetof (struct dirent64, d_name[0])
+				 + NAME_MAX + 1];
+		    }
+		  d64buf;
+
+		  if (flags & GLOB_ALTDIRFUNC)
+		    {
+		      struct dirent *d32 = (*pglob->gl_readdir) (stream);
+		      if (d32 != NULL)
+			{
+			  CONVERT_DIRENT_DIRENT64 (&d64buf.d64, d32);
+			  d = &d64buf.d64;
+			}
+		      else
+			d = NULL;
+		    }
+		  else
+		    d = __readdir64 (stream);
+#else
+		  struct dirent *d = ((flags & GLOB_ALTDIRFUNC)
+				      ? ((*pglob->gl_readdir) (stream))
+				      : __readdir (stream));
+#endif
+		  if (d == NULL)
+		    break;
+		  if (! REAL_DIR_ENTRY (d))
+		    continue;
+
+		  /* If we shall match only directories use the information
+		     provided by the dirent call if possible.  */
+		  if ((flags & GLOB_ONLYDIR) && !DIRENT_MIGHT_BE_DIR (d))
+		    continue;
+
+		  name = d->d_name;
+
+		  if (fnmatch (pattern, name, fnm_flags) == 0)
+		    {
+		      /* ISDIR will often be incorrectly set to false
+		         when not in GLOB_ONLYDIR || GLOB_MARK mode, but we
+		         don't care.  It won't be used and we save the
+		         expensive call to stat.  */
+		      int need_dir_test =
+			(GLOB_MARK | (DIRENT_MIGHT_BE_SYMLINK (d)
+				      ? GLOB_ONLYDIR : 0));
+		      bool isdir = (DIRENT_MUST_BE (d, DT_DIR)
+				    || ((flags & need_dir_test)
+				        && is_dir_p (directory, dirlen, name,
+						     pglob, flags)));
+
+		      /* In GLOB_ONLYDIR mode, skip non-dirs.  */
+		      if ((flags & GLOB_ONLYDIR) && !isdir)
+			  continue;
+
+			{
+			  struct globlink *new =
+			    __alloca (sizeof (struct globlink));
+			  char *p;
+			  len = NAMLEN (d);
+			  new->name =
+			    malloc (len + 1 + ((flags & GLOB_MARK) && isdir));
+			  if (new->name == NULL)
+			    goto memory_error;
+			  p = mempcpy (new->name, name, len);
+			  if ((flags & GLOB_MARK) && isdir)
+			      *p++ = '/';
+			  *p = '\0';
+			  new->next = names;
+			  names = new;
+			  ++nfound;
+			}
+		    }
+		}
+	    }
+	}
+    }
+
+  if (nfound == 0 && (flags & GLOB_NOCHECK))
+    {
+      size_t len = strlen (pattern);
+      nfound = 1;
+      names = __alloca (sizeof (struct globlink));
+      names->next = NULL;
+      names->name = malloc (len + 1);
+      if (names->name == NULL)
+	goto memory_error;
+      *((char *) mempcpy (names->name, pattern, len)) = '\0';
+    }
+
+  if (nfound != 0)
+    {
+      char **new_gl_pathv;
+
+      new_gl_pathv
+	= realloc (pglob->gl_pathv,
+		   (pglob->gl_pathc + pglob->gl_offs + nfound + 1)
+		   * sizeof (char *));
+      if (new_gl_pathv == NULL)
+	goto memory_error;
+      pglob->gl_pathv = new_gl_pathv;
+
+      for (; names != NULL; names = names->next)
+	pglob->gl_pathv[pglob->gl_offs + pglob->gl_pathc++] = names->name;
+      pglob->gl_pathv[pglob->gl_offs + pglob->gl_pathc] = NULL;
+
+      pglob->gl_flags = flags;
+    }
+
+  save = errno;
+  if (stream != NULL)
+    {
+      if (flags & GLOB_ALTDIRFUNC)
+	(*pglob->gl_closedir) (stream);
+      else
+	closedir (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 (stream);
+    __set_errno (save);
+  }
+  while (names != NULL)
+    {
+      if (names->name != NULL)
+	free (names->name);
+      names = names->next;
+    }
+  return GLOB_NOSPACE;
+}
new file mode 100644
--- /dev/null
+++ b/lib/glob_.h
@@ -0,0 +1,238 @@
+/* Copyright (C) 1991,92,95-98,2000,2001,2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef	_GLOB_H
+#define	_GLOB_H	1
+
+#ifndef MISSING_SYS_CDEFS_H
+# include <sys/cdefs.h>
+#endif
+#ifndef __BEGIN_DECLS
+# define __BEGIN_DECLS
+# define __END_DECLS
+#endif
+#ifndef __THROW
+# define __THROW
+#endif
+
+__BEGIN_DECLS
+
+/* We need `size_t' for the following definitions.  */
+#ifndef GLOB_PREFIX
+# ifndef __size_t
+#  if defined __GNUC__ && __GNUC__ >= 2
+typedef __SIZE_TYPE__ __size_t;
+#   ifdef __USE_XOPEN
+typedef __SIZE_TYPE__ size_t;
+#   endif
+#  else
+#   include <stddef.h>
+#   ifndef __size_t
+#    define __size_t size_t
+#   endif
+#  endif
+# else
+/* The GNU CC stddef.h version defines __size_t as empty.  We need a real
+   definition.  */
+#  undef __size_t
+#  define __size_t size_t
+# endif
+#else /* GLOB_PREFIX */
+# include <stddef.h>
+# undef __size_t
+# define __size_t	size_t
+#endif /* !GLOB_PREFIX */
+
+#ifdef GLOB_PREFIX
+/* get struct stat */
+# include <sys/stat.h>
+
+/* The following are necessary with MSVC and who knows where else.  */
+# ifndef __const
+#  define __const	const
+# endif
+# ifndef __restrict
+#  define __restrict	restrict
+# endif
+# ifndef __USE_GNU
+#  define __USE_GNU	1
+# endif
+#endif /* GLOB_PREFIX */
+
+/* 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 __USE_POSIX2 || defined __USE_BSD || defined __USE_GNU
+# 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_TILDE_CHECK (1 << 14)/* Like GLOB_TILDE but return an error
+				      if the user name is not available.  */
+# 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|GLOB_TILDE_CHECK)
+#else
+# define __GLOB_FLAGS	(GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
+			 GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND|     \
+			 GLOB_PERIOD)
+#endif
+
+/* 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.  */
+#define GLOB_NOSYS	4	/* Not implemented.  */
+#ifdef __USE_GNU
+/* Previous versions of this file defined GLOB_ABEND instead of
+   GLOB_ABORTED.  Provide a compatibility definition here.  */
+# define GLOB_ABEND GLOB_ABORTED
+#endif
+
+/* Structure describing a globbing run.  */
+#ifdef __USE_GNU
+struct stat;
+#endif
+typedef struct
+  {
+    __size_t gl_pathc;		/* Count of paths matched by the pattern.  */
+    char **gl_pathv;		/* List of matched pathnames.  */
+    __size_t 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) (void *);
+#ifdef __USE_GNU
+#if defined HAVE_DIRENT_H || defined __GNU_LIBRARY__
+    struct dirent *(*gl_readdir) (void *);
+#else
+    struct direct *(*gl_readdir) (void *);
+#endif
+#else
+    void *(*gl_readdir) (void *);
+#endif
+    void *(*gl_opendir) (__const char *);
+#ifdef __USE_GNU
+    int (*gl_lstat) (__const char *__restrict, struct stat *__restrict);
+    int (*gl_stat) (__const char *__restrict, struct stat *__restrict);
+#else
+    int (*gl_lstat) (__const char *__restrict, void *__restrict);
+    int (*gl_stat) (__const char *__restrict, void *__restrict);
+#endif
+  } glob_t;
+
+#if !defined GLOB_PREFIX && defined __USE_LARGEFILE64
+# ifdef __USE_GNU
+struct stat64;
+# endif
+typedef struct
+  {
+    __size_t gl_pathc;
+    char **gl_pathv;
+    __size_t gl_offs;
+    int gl_flags;
+
+    /* If the GLOB_ALTDIRFUNC flag is set, the following functions
+       are used instead of the normal file access functions.  */
+    void (*gl_closedir) (void *);
+# ifdef __USE_GNU
+    struct dirent64 *(*gl_readdir) (void *);
+# else
+    void *(*gl_readdir) (void *);
+# endif
+    void *(*gl_opendir) (__const char *);
+# ifdef __USE_GNU
+    int (*gl_lstat) (__const char *__restrict, struct stat64 *__restrict);
+    int (*gl_stat) (__const char *__restrict, struct stat64 *__restrict);
+# else
+    int (*gl_lstat) (__const char *__restrict, void *__restrict);
+    int (*gl_stat) (__const char *__restrict, void *__restrict);
+# endif
+  } glob64_t;
+#endif
+
+#ifdef GLOB_PREFIX
+# define __GLOB_CONCAT(x, y) x ## y
+# define __GLOB_XCONCAT(x, y) __GLOB_CONCAT (x, y)
+# define __GLOB_ID(y) __GLOB_XCONCAT (GLOB_PREFIX, y)
+# define glob __GLOB_ID (glob)
+# define globfree __GLOB_ID (globfree)
+# define glob_pattern_p __GLOB_ID (glob_pattern_p)
+#else
+# if __USE_FILE_OFFSET64 && __GNUC__ < 2
+#  define glob glob64
+#  define globfree globfree64
+# endif
+#endif
+
+/* Do glob searching for PATTERN, placing results in PGLOB.
+   The bits defined above may be set in FLAGS.
+   If a directory cannot be opened or read and ERRFUNC is not nil,
+   it is called with the pathname that caused the error, and the
+   `errno' value from the failing call; if it returns non-zero
+   `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.  */
+#if !defined __USE_FILE_OFFSET64 || __GNUC__ < 2 || defined GLOB_PREFIX
+extern int glob (__const char *__restrict __pattern, int __flags,
+		 int (*__errfunc) (__const char *, int),
+		 glob_t *__restrict __pglob) __THROW;
+
+/* Free storage allocated in PGLOB by a previous `glob' call.  */
+extern void globfree (glob_t *__pglob) __THROW;
+#else
+extern int __REDIRECT_NTH (glob, (__const char *__restrict __pattern,
+				  int __flags,
+				  int (*__errfunc) (__const char *, int),
+				  glob_t *__restrict __pglob), glob64);
+
+extern void __REDIRECT_NTH (globfree, (glob_t *__pglob), globfree64);
+#endif
+
+#if !defined GLOB_PREFIX && defined __USE_LARGEFILE64
+extern int glob64 (__const char *__restrict __pattern, int __flags,
+		   int (*__errfunc) (__const char *, int),
+		   glob64_t *__restrict __pglob) __THROW;
+
+extern void globfree64 (glob64_t *__pglob) __THROW;
+#endif
+
+
+#ifdef __USE_GNU
+/* Return nonzero if PATTERN contains any metacharacters.
+   Metacharacters can be quoted with backslashes if QUOTE is nonzero.
+
+   This function is not part of the interface specified by POSIX.2
+   but several programs want to use it.  */
+extern int glob_pattern_p (__const char *__pattern, int __quote) __THROW;
+#endif
+
+__END_DECLS
+
+#endif /* glob.h  */
--- a/m4/ChangeLog
+++ b/m4/ChangeLog
@@ -1,3 +1,8 @@
+2005-05-29  Derek Price  <derek@ximbiot.com>
+	    Paul Eggert  <eggert@cs.ucla.edu>
+
+	* glob.m4: New file.
+
 2005-05-27  Paul Eggert  <eggert@cs.ucla.edu>
 
 	* fts.m4 (gl_FUNC_FTS_CORE): Don't check for inttypes.h or stdint.h,
new file mode 100644
--- /dev/null
+++ b/m4/glob.m4
@@ -0,0 +1,50 @@
+# glob.m4 serial 1
+dnl Copyright (C) 2005 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+# The glob module assumes you want GNU glob, with glob_pattern_p etc,
+# rather than vanilla POSIX glob.  This means your your code should
+# always include <glob.h> for the glob prototypes.
+
+AC_DEFUN([gl_GLOB_SUBSTITUTE],
+[
+  gl_PREREQ_GLOB
+
+  GLOB_H=glob.h
+  AC_LIBOBJ([glob])
+  AC_DEFINE([GLOB_PREFIX], [[rpl_]],
+    [Define to rpl_ if the glob replacement functions and variables
+     should be used.])
+  AC_SUBST([GLOB_H])
+])
+
+AC_DEFUN([gl_GLOB],
+[ GLOB_H=
+  AC_CHECK_HEADERS([glob.h], [], [GLOB_H=glob.h])
+
+  if test -z "$GLOB_H"; then
+    AC_COMPILE_IFELSE(
+[[#include <gnu-versions.h>
+char a[_GNU_GLOB_INTERFACE_VERSION == 1 ? 1 : -1];]],
+      [], [GLOB_H=glob.h])
+  fi
+
+  if test -n "$GLOB_H"; then
+    gl_GLOB_SUBSTITUTE
+  fi
+])
+
+# Prerequisites of lib/glob.*.
+AC_DEFUN([gl_PREREQ_GLOB],
+[ AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE])dnl
+  AC_REQUIRE([AC_HEADER_DIRENT])dnl
+  AC_CHECK_HEADERS_ONCE([sys/cdefs.h unistd.h])dnl
+  AC_CHECK_FUNCS_ONCE([getlogin_r getpwnam_r])dnl
+  AC_CHECK_HEADERS([sys/cdefs.h], [SYS_CDEFS_H=yes], [SYS_CDEFS_H=no])
+  if test $SYS_CDEFS_H = no; then
+    AC_DEFINE(MISSING_SYS_CDEFS_H, 1,
+      [Define to `1' if <sys/cdefs.h> is *not* available on this system.])
+  fi
+  :])
--- a/modules/getlogin_r
+++ b/modules/getlogin_r
@@ -1,5 +1,5 @@
 Description:
-Get user name to a buffer allocated by the caller.
+getlogin_r() function: Get user name to a buffer allocated by the caller.
 
 Files:
 lib/getlogin_r.h
new file mode 100644
--- /dev/null
+++ b/modules/glob
@@ -0,0 +1,44 @@
+Description:
+glob() function: Search for files and directories with paths matching a
+pattern, with GNU extensions.
+
+Files:
+lib/glob_.h
+lib/glob.c
+m4/d-type.m4
+m4/glob.m4
+
+Depends-on:
+alloca
+extensions
+fnmatch
+getlogin_r
+mempcpy
+restrict
+stat-macros
+stdbool
+strdup
+
+configure.ac:
+gl_GLOB
+
+Makefile.am:
+BUILT_SOURCES += $(GLOB_H)
+EXTRA_DIST += glob_.h
+
+# We need the following in order to create an <glob.h> when the system
+# doesn't have one that works with the given compiler.
+all-local $(lib_OBJECTS): $(GLOB_H)
+glob.h: glob_.h
+	cp $(srcdir)/glob_.h $@-t
+	mv $@-t $@
+MOSTLYCLEANFILES += glob.h glob.h-t
+
+Include:
+<glob.h>
+
+License:
+LGPL
+
+Maintainer:
+all, glibc