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Add new fnmatch code, for now mbstate_t and mbsrtowcs are depending on UCLIBC_HAS_LOC...
authorPeter S. Mazinger <ps.m@gmx.net>
Sat, 24 Dec 2005 00:15:05 +0000 (00:15 -0000)
committerPeter S. Mazinger <ps.m@gmx.net>
Sat, 24 Dec 2005 00:15:05 +0000 (00:15 -0000)
extra/Configs/Config.in
libc/misc/fnmatch/Makefile.in
libc/misc/fnmatch/fnmatch.c [new file with mode: 0644]
libc/misc/fnmatch/fnmatch_loop.c [new file with mode: 0644]

index b0637b7..d6e57a8 100644 (file)
@@ -1059,6 +1059,27 @@ config UCLIBC_HAS_REGEX_OLD
          support, then stick with the old version (and say Y here).
          Otherwise, you should use the new version (and say N here).
 
+config UCLIBC_HAS_FNMATCH
+       bool "fnmatch Support"
+       default y
+       help
+         POSIX fnmatch.
+
+config UCLIBC_HAS_FNMATCH_OLD
+       bool "Use the older (stable) fnmatch code"
+       depends on UCLIBC_HAS_FNMATCH
+       default y
+       help
+         There are two versions of fnmatch.  The older (stable) version has
+         been in uClibc for quite a long time but hasn't seen too many
+         updates.  It also has some known issues when dealing with uncommon
+         corner cases and multibyte/unicode strings.  However, it is quite
+         a bit smaller than the newer version.
+
+         If the older version has worked for you and you don't need unicode
+         support, then stick with the old version (and say Y here).
+         Otherwise, you should use the new version (and say N here).
+
 config UCLIBC_HAS_WORDEXP
        bool "Support the wordexp() interface"
        depends on UCLIBC_HAS_GLOB
index e2a83f2..39387d9 100644 (file)
@@ -6,7 +6,11 @@
 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 #
 
+ifeq ($(UCLIBC_HAS_FNMATCH_OLD),y)
 CSRC:=fnmatch_old.c
+else
+CSRC:=fnmatch.c
+endif
 
 MISC_FNMATCH_DIR:=$(top_srcdir)libc/misc/fnmatch
 MISC_FNMATCH_OUT:=$(top_builddir)libc/misc/fnmatch
@@ -14,10 +18,10 @@ MISC_FNMATCH_OUT:=$(top_builddir)libc/misc/fnmatch
 MISC_FNMATCH_SRC:=$(patsubst %.c,$(MISC_FNMATCH_DIR)/%.c,$(CSRC))
 MISC_FNMATCH_OBJ:=$(patsubst %.c,$(MISC_FNMATCH_OUT)/%.c,$(CSRC))
 
-libc-a-y+=$(MISC_FNMATCH_OBJ)
-libc-so-y+=$(MISC_FNMATCH_OBJ:.o=.os)
+libc-a-$(UCLIBC_HAS_FNMATCH)+=$(MISC_FNMATCH_OBJ)
+libc-so-$(UCLIBC_HAS_FNMATCH)+=$(MISC_FNMATCH_OBJ:.o=.os)
 
-libc-multi-y+=$(MISC_FNMATCH_SRC)
+libc-multi-$(UCLIBC_HAS_FNMATCH)+=$(MISC_FNMATCH_SRC)
 
 objclean-y+=misc_fnmatch_objclean
 
diff --git a/libc/misc/fnmatch/fnmatch.c b/libc/misc/fnmatch/fnmatch.c
new file mode 100644 (file)
index 0000000..8cacc9a
--- /dev/null
@@ -0,0 +1,472 @@
+/* Copyright (C) 1991,1992,1993,1996,1997,1998,1999,2000,2001,2002,2003
+       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.  */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+/* Enable GNU extensions in fnmatch.h.  */
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE   1
+#endif
+
+#include <features.h>
+#ifdef __UCLIBC__
+# undef _LIBC
+# define HAVE_STRING_H 1
+# define STDC_HEADERS
+# define HAVE___STRCHRNUL 1
+extern void *__mempcpy (void *__restrict __dest,
+                       __const void *__restrict __src, size_t __n)
+     __THROW __nonnull ((1, 2)) attribute_hidden;
+extern void *__memchr (__const void *__s, int __c, size_t __n)
+      __THROW __attribute_pure__ __nonnull ((1)) attribute_hidden;
+# ifdef __UCLIBC_HAS_WCHAR__
+#  define HAVE_WCHAR_H 1
+#  define HAVE_WCTYPE_H 1
+#  ifdef __UCLIBC_HAS_LOCALE__
+#   define HAVE_MBSTATE_T 1
+#   define HAVE_MBSRTOWCS 1
+#  endif
+# endif
+#endif
+
+#include <assert.h>
+#include <errno.h>
+#include <fnmatch.h>
+#include <ctype.h>
+
+#if HAVE_STRING_H || defined _LIBC
+# include <string.h>
+#else
+# include <strings.h>
+#endif
+
+#if defined STDC_HEADERS || defined _LIBC
+# include <stdlib.h>
+#endif
+
+/* For platform which support the ISO C amendement 1 functionality we
+   support user defined character classes.  */
+#if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
+/* Solaris 2.5 has a bug: <wchar.h> must be included before <wctype.h>.  */
+# include <wchar.h>
+# include <wctype.h>
+# ifdef __UCLIBC__
+extern wctype_t __wctype (__const char *__property) __THROW attribute_hidden;
+extern int __iswctype (wint_t __wc, wctype_t __desc) __THROW attribute_hidden;
+extern wint_t __btowc (int __c) __THROW attribute_hidden;
+#  ifdef __UCLIBC_HAS_LOCALE__
+extern size_t __mbsrtowcs (wchar_t *__restrict __dst,
+                        __const char **__restrict __src, size_t __len,
+                        mbstate_t *__restrict __ps) __THROW attribute_hidden;
+extern size_t __wcslen (__const wchar_t *__s) __THROW __attribute_pure__ attribute_hidden;
+extern wchar_t *__wmempcpy (wchar_t *__restrict __s1,
+                         __const wchar_t *__restrict __s2, size_t __n)
+     __THROW attribute_hidden;
+extern wchar_t *__wcscat (wchar_t *__restrict __dest,
+                       __const wchar_t *__restrict __src) __THROW attribute_hidden;
+extern size_t __strnlen (__const char *__string, size_t __maxlen)
+     __THROW __attribute_pure__ __nonnull ((1)) attribute_hidden;
+extern wchar_t *__wmemchr (__const wchar_t *__s, wchar_t __c, size_t __n)
+     __THROW __attribute_pure__ attribute_hidden;
+extern wint_t __towlower (wint_t __wc) __THROW attribute_hidden;
+#  endif
+# endif
+#endif
+
+/* We need some of the locale data (the collation sequence information)
+   but there is no interface to get this information in general.  Therefore
+   we support a correct implementation only in glibc.  */
+#if defined _LIBC || defined __UCLIBC__
+# ifndef __UCLIBC__
+# include "../locale/localeinfo.h"
+# include "../locale/elem-hash.h"
+# include "../locale/coll-lookup.h"
+# include <shlib-compat.h>
+# endif
+
+# define CONCAT(a,b) __CONCAT(a,b)
+# if defined _LIBC || defined __UCLIBC_HAS_LOCALE__
+# define mbsrtowcs __mbsrtowcs
+# endif
+# define fnmatch __fnmatch
+extern int fnmatch (const char *pattern, const char *string, int flags) attribute_hidden;
+#endif
+
+/* We often have to test for FNM_FILE_NAME and FNM_PERIOD being both set.  */
+#define NO_LEADING_PERIOD(flags) \
+  ((flags & (FNM_FILE_NAME | FNM_PERIOD)) == (FNM_FILE_NAME | FNM_PERIOD))
+
+/* 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.  */
+
+#if defined _LIBC || !defined __GNU_LIBRARY__
+
+
+# if defined STDC_HEADERS || !defined isascii
+#  define ISASCII(c) 1
+# else
+#  define ISASCII(c) isascii(c)
+# endif
+
+# ifdef isblank
+#  define ISBLANK(c) (ISASCII (c) && isblank (c))
+# else
+#  define ISBLANK(c) ((c) == ' ' || (c) == '\t')
+# endif
+# ifdef isgraph
+#  define ISGRAPH(c) (ISASCII (c) && isgraph (c))
+# else
+#  define ISGRAPH(c) (ISASCII (c) && isprint (c) && !isspace (c))
+# endif
+
+# define ISPRINT(c) (ISASCII (c) && isprint (c))
+# define ISDIGIT(c) (ISASCII (c) && isdigit (c))
+# define ISALNUM(c) (ISASCII (c) && isalnum (c))
+# define ISALPHA(c) (ISASCII (c) && isalpha (c))
+# define ISCNTRL(c) (ISASCII (c) && iscntrl (c))
+# define ISLOWER(c) (ISASCII (c) && islower (c))
+# define ISPUNCT(c) (ISASCII (c) && ispunct (c))
+# define ISSPACE(c) (ISASCII (c) && isspace (c))
+# define ISUPPER(c) (ISASCII (c) && isupper (c))
+# define ISXDIGIT(c) (ISASCII (c) && isxdigit (c))
+
+# define STREQ(s1, s2) ((strcmp (s1, s2) == 0))
+
+# if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
+/* The GNU C library provides support for user-defined character classes
+   and the functions from ISO C amendement 1.  */
+#  ifdef CHARCLASS_NAME_MAX
+#   define CHAR_CLASS_MAX_LENGTH CHARCLASS_NAME_MAX
+#  else
+/* This shouldn't happen but some implementation might still have this
+   problem.  Use a reasonable default value.  */
+#   define CHAR_CLASS_MAX_LENGTH 256
+#  endif
+
+#  if defined _LIBC || defined __UCLIBC__
+#   define IS_CHAR_CLASS(string) __wctype (string)
+#  else
+#   define IS_CHAR_CLASS(string) wctype (string)
+#  endif
+
+#  if defined _LIBC || defined __UCLIBC__
+#   define ISWCTYPE(WC, WT)    __iswctype (WC, WT)
+#  else
+#   define ISWCTYPE(WC, WT)    iswctype (WC, WT)
+#  endif
+
+#  if (HAVE_MBSTATE_T && HAVE_MBSRTOWCS) || _LIBC
+/* In this case we are implementing the multibyte character handling.  */
+#   define HANDLE_MULTIBYTE    1
+#  endif
+
+# else
+#  define CHAR_CLASS_MAX_LENGTH  6 /* Namely, `xdigit'.  */
+
+#  define IS_CHAR_CLASS(string)                                                      \
+   (STREQ (string, "alpha") || STREQ (string, "upper")                       \
+    || STREQ (string, "lower") || STREQ (string, "digit")                    \
+    || STREQ (string, "alnum") || STREQ (string, "xdigit")                   \
+    || STREQ (string, "space") || STREQ (string, "print")                    \
+    || STREQ (string, "punct") || STREQ (string, "graph")                    \
+    || STREQ (string, "cntrl") || STREQ (string, "blank"))
+# endif
+
+/* Avoid depending on library functions or files
+   whose names are inconsistent.  */
+
+# if !defined _LIBC && !defined getenv && !defined __UCLIBC__
+extern char *getenv ();
+# endif
+
+# ifndef errno
+extern int errno;
+# endif
+
+/* Global variable.  */
+static int posixly_correct;
+
+/* This function doesn't exist on most systems.  */
+
+# if !defined HAVE___STRCHRNUL && !defined _LIBC
+static char *
+__strchrnul (s, c)
+     const char *s;
+     int c;
+{
+  char *result = strchr (s, c);
+  if (result == NULL)
+    result = strchr (s, '\0');
+  return result;
+}
+# endif
+
+# if HANDLE_MULTIBYTE && !defined HAVE___STRCHRNUL && !defined _LIBC
+static wchar_t *
+__wcschrnul (s, c)
+     const wchar_t *s;
+     wint_t c;
+{
+  wchar_t *result = wcschr (s, c);
+  if (result == NULL)
+    result = wcschr (s, '\0');
+  return result;
+}
+# endif
+
+# ifndef internal_function
+/* Inside GNU libc we mark some function in a special way.  In other
+   environments simply ignore the marking.  */
+#  define internal_function
+# endif
+
+/* Note that this evaluates C many times.  */
+# if defined _LIBC || defined __UCLIBC__
+#  define FOLD(c) ((flags & FNM_CASEFOLD) ? tolower (c) : (c))
+# else
+#  define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? tolower (c) : (c))
+# endif
+# define CHAR  char
+# define UCHAR unsigned char
+# define INT   int
+# define FCT   internal_fnmatch
+# define EXT   ext_match
+# define END   end_pattern
+# define L(CS) CS
+# if defined _LIBC || defined __UCLIBC__
+#  define BTOWC(C)     __btowc (C)
+# else
+#  define BTOWC(C)     btowc (C)
+# endif
+# define STRLEN(S) __strlen (S)
+# define STRCAT(D, S) __strcat (D, S)
+# define MEMPCPY(D, S, N) __mempcpy (D, S, N)
+# define MEMCHR(S, C, N) __memchr (S, C, N)
+# define STRCOLL(S1, S2) __strcoll (S1, S2)
+# include "fnmatch_loop.c"
+
+
+# if HANDLE_MULTIBYTE
+/* Note that this evaluates C many times.  */
+#  if defined _LIBC || defined __UCLIBC__
+#   define FOLD(c) ((flags & FNM_CASEFOLD) ? __towlower (c) : (c))
+#  else
+#   define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? towlower (c) : (c))
+#  endif
+#  define CHAR wchar_t
+#  define UCHAR        wint_t
+#  define INT  wint_t
+#  define FCT  internal_fnwmatch
+#  define EXT  ext_wmatch
+# define END   end_wpattern
+#  define L(CS)        L##CS
+#  define BTOWC(C)     (C)
+#  define STRLEN(S) __wcslen (S)
+#  define STRCAT(D, S) __wcscat (D, S)
+#  define MEMPCPY(D, S, N) __wmempcpy (D, S, N)
+#  define MEMCHR(S, C, N) __wmemchr (S, C, N)
+#  define STRCOLL(S1, S2) __wcscoll (S1, S2)
+#  ifndef __UCLIBC__
+#  define WIDE_CHAR_VERSION 1
+#  endif
+
+#  undef IS_CHAR_CLASS
+/* We have to convert the wide character string in a multibyte string.  But
+   we know that the character class names consist of alphanumeric characters
+   from the portable character set, and since the wide character encoding
+   for a member of the portable character set is the same code point as
+   its single-byte encoding, we can use a simplified method to convert the
+   string to a multibyte character string.  */
+static wctype_t
+is_char_class (const wchar_t *wcs)
+{
+  char s[CHAR_CLASS_MAX_LENGTH + 1];
+  char *cp = s;
+
+  do
+    {
+      /* Test for a printable character from the portable character set.  */
+#  if defined _LIBC || defined __UCLIBC__
+      if (*wcs < 0x20 || *wcs > 0x7e
+         || *wcs == 0x24 || *wcs == 0x40 || *wcs == 0x60)
+       return (wctype_t) 0;
+#  else
+      switch (*wcs)
+       {
+       case L' ': case L'!': case L'"': case L'#': case L'%':
+       case L'&': case L'\'': case L'(': case L')': case L'*':
+       case L'+': case L',': case L'-': case L'.': case L'/':
+       case L'0': case L'1': case L'2': case L'3': case L'4':
+       case L'5': case L'6': case L'7': case L'8': case L'9':
+       case L':': case L';': case L'<': case L'=': case L'>':
+       case L'?':
+       case L'A': case L'B': case L'C': case L'D': case L'E':
+       case L'F': case L'G': case L'H': case L'I': case L'J':
+       case L'K': case L'L': case L'M': case L'N': case L'O':
+       case L'P': case L'Q': case L'R': case L'S': case L'T':
+       case L'U': case L'V': case L'W': case L'X': case L'Y':
+       case L'Z':
+       case L'[': case L'\\': case L']': case L'^': case L'_':
+       case L'a': case L'b': case L'c': case L'd': case L'e':
+       case L'f': case L'g': case L'h': case L'i': case L'j':
+       case L'k': case L'l': case L'm': case L'n': case L'o':
+       case L'p': case L'q': case L'r': case L's': case L't':
+       case L'u': case L'v': case L'w': case L'x': case L'y':
+       case L'z': case L'{': case L'|': case L'}': case L'~':
+         break;
+       default:
+         return (wctype_t) 0;
+       }
+#  endif
+
+      /* Avoid overrunning the buffer.  */
+      if (cp == s + CHAR_CLASS_MAX_LENGTH)
+       return (wctype_t) 0;
+
+      *cp++ = (char) *wcs++;
+    }
+  while (*wcs != L'\0');
+
+  *cp = '\0';
+
+#  if defined _LIBC || defined __UCLIBC__
+  return __wctype (s);
+#  else
+  return wctype (s);
+#  endif
+}
+#  define IS_CHAR_CLASS(string) is_char_class (string)
+
+#  include "fnmatch_loop.c"
+# endif
+
+
+int attribute_hidden
+fnmatch (const char *pattern, const char *string, int flags)
+{
+# if HANDLE_MULTIBYTE
+#  ifdef __UCLIBC_HAS_WCHAR__
+#   undef MB_CUR_MAX
+#   define     MB_CUR_MAX      (_stdlib_mb_cur_max_internal ())
+extern size_t _stdlib_mb_cur_max_internal (void) __THROW __wur attribute_hidden;
+#  endif
+  if (__builtin_expect (MB_CUR_MAX, 1) != 1)
+    {
+      mbstate_t ps;
+      size_t n;
+      const char *p;
+      wchar_t *wpattern = NULL;
+      wchar_t *wstring = NULL;
+
+      /* Convert the strings into wide characters.  */
+      __memset (&ps, '\0', sizeof (ps));
+      p = pattern;
+#if defined _LIBC || defined __UCLIBC__
+      n = __strnlen (pattern, 1024);
+#else
+      n = __strlen (pattern);
+#endif
+      if (__builtin_expect (n < 1024, 1))
+       {
+         wpattern = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
+         n = mbsrtowcs (wpattern, &p, n + 1, &ps);
+         if (__builtin_expect (n == (size_t) -1, 0))
+           /* Something wrong.
+              XXX Do we have to set `errno' to something which mbsrtows hasn't
+              already done?  */
+           return -1;
+         if (p)
+           __memset (&ps, '\0', sizeof (ps));
+       }
+      if (__builtin_expect (p != NULL, 0))
+       {
+         n = mbsrtowcs (NULL, &pattern, 0, &ps);
+         if (__builtin_expect (n == (size_t) -1, 0))
+           /* Something wrong.
+              XXX Do we have to set `errno' to something which mbsrtows hasn't
+              already done?  */
+           return -1;
+         wpattern = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
+         assert (mbsinit (&ps));
+         (void) mbsrtowcs (wpattern, &pattern, n + 1, &ps);
+       }
+
+      assert (mbsinit (&ps));
+#if defined _LIBC || defined __UCLIBC__
+      n = __strnlen (string, 1024);
+#else
+      n = __strlen (string);
+#endif
+      p = string;
+      if (__builtin_expect (n < 1024, 1))
+       {
+         wstring = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
+         n = mbsrtowcs (wstring, &p, n + 1, &ps);
+         if (__builtin_expect (n == (size_t) -1, 0))
+           /* Something wrong.
+              XXX Do we have to set `errno' to something which mbsrtows hasn't
+              already done?  */
+           return -1;
+         if (p)
+           __memset (&ps, '\0', sizeof (ps));
+       }
+      if (__builtin_expect (p != NULL, 0))
+       {
+         n = mbsrtowcs (NULL, &string, 0, &ps);
+         if (__builtin_expect (n == (size_t) -1, 0))
+           /* Something wrong.
+              XXX Do we have to set `errno' to something which mbsrtows hasn't
+              already done?  */
+           return -1;
+         wstring = (wchar_t *) alloca ((n + 1) * sizeof (wchar_t));
+         assert (mbsinit (&ps));
+         (void) mbsrtowcs (wstring, &string, n + 1, &ps);
+       }
+
+      return internal_fnwmatch (wpattern, wstring, wstring + n,
+                               flags & FNM_PERIOD, flags);
+    }
+# endif  /* mbstate_t and mbsrtowcs or _LIBC.  */
+
+  return internal_fnmatch (pattern, string, string + __strlen (string),
+                          flags & FNM_PERIOD, flags);
+}
+
+# if defined _LIBC || defined __UCLIBC__
+#  undef fnmatch
+#  ifndef __UCLIBC__
+versioned_symbol (libc, __fnmatch, fnmatch, GLIBC_2_2_3);
+#  if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_2_3)
+strong_alias (__fnmatch, __fnmatch_old)
+compat_symbol (libc, __fnmatch_old, fnmatch, GLIBC_2_0);
+#  endif
+libc_hidden_ver (__fnmatch, fnmatch)
+#  else
+strong_alias(__fnmatch,fnmatch)
+#  endif
+# endif
+
+#endif /* _LIBC or not __GNU_LIBRARY__.  */
diff --git a/libc/misc/fnmatch/fnmatch_loop.c b/libc/misc/fnmatch/fnmatch_loop.c
new file mode 100644 (file)
index 0000000..663af12
--- /dev/null
@@ -0,0 +1,1209 @@
+/* Copyright (C) 1991,1992,1993,1996,1997,1998,1999,2000,2001,2003,2004,2005
+   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.  */
+
+/* Match STRING against the filename pattern PATTERN, returning zero if
+   it matches, nonzero if not.  */
+static int FCT (const CHAR *pattern, const CHAR *string,
+               const CHAR *string_end, int no_leading_period, int flags)
+     internal_function;
+static int EXT (INT opt, const CHAR *pattern, const CHAR *string,
+               const CHAR *string_end, int no_leading_period, int flags)
+     internal_function;
+static const CHAR *END (const CHAR *patternp) internal_function;
+
+static int
+internal_function
+FCT (pattern, string, string_end, no_leading_period, flags)
+     const CHAR *pattern;
+     const CHAR *string;
+     const CHAR *string_end;
+     int no_leading_period;
+     int flags;
+{
+  register const CHAR *p = pattern, *n = string;
+  register UCHAR c;
+#ifdef _LIBC
+# if WIDE_CHAR_VERSION
+  const char *collseq = (const char *)
+    _NL_CURRENT(LC_COLLATE, _NL_COLLATE_COLLSEQWC);
+# else
+  const UCHAR *collseq = (const UCHAR *)
+    _NL_CURRENT(LC_COLLATE, _NL_COLLATE_COLLSEQMB);
+# endif
+#endif
+
+  while ((c = *p++) != L('\0'))
+    {
+      int new_no_leading_period = 0;
+      c = FOLD (c);
+
+      switch (c)
+       {
+       case L('?'):
+         if (__builtin_expect (flags & FNM_EXTMATCH, 0) && *p == '(')
+           {
+             int res;
+
+             res = EXT (c, p, n, string_end, no_leading_period,
+                        flags);
+             if (res != -1)
+               return res;
+           }
+
+         if (n == string_end)
+           return FNM_NOMATCH;
+         else if (*n == L('/') && (flags & FNM_FILE_NAME))
+           return FNM_NOMATCH;
+         else if (*n == L('.') && no_leading_period)
+           return FNM_NOMATCH;
+         break;
+
+       case L('\\'):
+         if (!(flags & FNM_NOESCAPE))
+           {
+             c = *p++;
+             if (c == L('\0'))
+               /* Trailing \ loses.  */
+               return FNM_NOMATCH;
+             c = FOLD (c);
+           }
+         if (n == string_end || FOLD ((UCHAR) *n) != c)
+           return FNM_NOMATCH;
+         break;
+
+       case L('*'):
+         if (__builtin_expect (flags & FNM_EXTMATCH, 0) && *p == '(')
+           {
+             int res;
+
+             res = EXT (c, p, n, string_end, no_leading_period,
+                        flags);
+             if (res != -1)
+               return res;
+           }
+
+         if (n != string_end && *n == L('.') && no_leading_period)
+           return FNM_NOMATCH;
+
+         for (c = *p++; c == L('?') || c == L('*'); c = *p++)
+           {
+             if (*p == L('(') && (flags & FNM_EXTMATCH) != 0)
+               {
+                 const CHAR *endp = END (p);
+                 if (endp != p)
+                   {
+                     /* This is a pattern.  Skip over it.  */
+                     p = endp;
+                     continue;
+                   }
+               }
+
+             if (c == L('?'))
+               {
+                 /* A ? needs to match one character.  */
+                 if (n == string_end)
+                   /* There isn't another character; no match.  */
+                   return FNM_NOMATCH;
+                 else if (*n == L('/')
+                          && __builtin_expect (flags & FNM_FILE_NAME, 0))
+                   /* A slash does not match a wildcard under
+                      FNM_FILE_NAME.  */
+                   return FNM_NOMATCH;
+                 else
+                   /* One character of the string is consumed in matching
+                      this ? wildcard, so *??? won't match if there are
+                      less than three characters.  */
+                   ++n;
+               }
+           }
+
+         if (c == L('\0'))
+           /* The wildcard(s) is/are the last element of the pattern.
+              If the name is a file name and contains another slash
+              this means it cannot match, unless the FNM_LEADING_DIR
+              flag is set.  */
+           {
+             int result = (flags & FNM_FILE_NAME) == 0 ? 0 : FNM_NOMATCH;
+
+             if (flags & FNM_FILE_NAME)
+               {
+                 if (flags & FNM_LEADING_DIR)
+                   result = 0;
+                 else
+                   {
+                     if (MEMCHR (n, L('/'), string_end - n) == NULL)
+                       result = 0;
+                   }
+               }
+
+             return result;
+           }
+         else
+           {
+             const CHAR *endp;
+
+             endp = MEMCHR (n, (flags & FNM_FILE_NAME) ? L('/') : L('\0'),
+                            string_end - n);
+             if (endp == NULL)
+               endp = string_end;
+
+             if (c == L('[')
+                 || (__builtin_expect (flags & FNM_EXTMATCH, 0) != 0
+                     && (c == L('@') || c == L('+') || c == L('!'))
+                     && *p == L('(')))
+               {
+                 int flags2 = ((flags & FNM_FILE_NAME)
+                               ? flags : (flags & ~FNM_PERIOD));
+                 int no_leading_period2 = no_leading_period;
+
+                 for (--p; n < endp; ++n, no_leading_period2 = 0)
+                   if (FCT (p, n, string_end, no_leading_period2, flags2)
+                       == 0)
+                     return 0;
+               }
+             else if (c == L('/') && (flags & FNM_FILE_NAME))
+               {
+                 while (n < string_end && *n != L('/'))
+                   ++n;
+                 if (n < string_end && *n == L('/')
+                     && (FCT (p, n + 1, string_end, flags & FNM_PERIOD, flags)
+                         == 0))
+                   return 0;
+               }
+             else
+               {
+                 int flags2 = ((flags & FNM_FILE_NAME)
+                               ? flags : (flags & ~FNM_PERIOD));
+                 int no_leading_period2 = no_leading_period;
+
+                 if (c == L('\\') && !(flags & FNM_NOESCAPE))
+                   c = *p;
+                 c = FOLD (c);
+                 for (--p; n < endp; ++n, no_leading_period2 = 0)
+                   if (FOLD ((UCHAR) *n) == c
+                       && (FCT (p, n, string_end, no_leading_period2, flags2)
+                           == 0))
+                     return 0;
+               }
+           }
+
+         /* If we come here no match is possible with the wildcard.  */
+         return FNM_NOMATCH;
+
+       case L('['):
+         {
+           /* Nonzero if the sense of the character class is inverted.  */
+           register int not;
+           CHAR cold;
+           UCHAR fn;
+
+           if (posixly_correct == 0)
+             posixly_correct = __getenv ("POSIXLY_CORRECT") != NULL ? 1 : -1;
+
+           if (n == string_end)
+             return FNM_NOMATCH;
+
+           if (*n == L('.') && no_leading_period)
+             return FNM_NOMATCH;
+
+           if (*n == L('/') && (flags & FNM_FILE_NAME))
+             /* `/' cannot be matched.  */
+             return FNM_NOMATCH;
+
+           not = (*p == L('!') || (posixly_correct < 0 && *p == L('^')));
+           if (not)
+             ++p;
+
+           fn = FOLD ((UCHAR) *n);
+
+           c = *p++;
+           for (;;)
+             {
+               if (!(flags & FNM_NOESCAPE) && c == L('\\'))
+                 {
+                   if (*p == L('\0'))
+                     return FNM_NOMATCH;
+                   c = FOLD ((UCHAR) *p);
+                   ++p;
+
+                   goto normal_bracket;
+                 }
+               else if (c == L('[') && *p == L(':'))
+                 {
+                   /* Leave room for the null.  */
+                   CHAR str[CHAR_CLASS_MAX_LENGTH + 1];
+                   size_t c1 = 0;
+#if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
+                   wctype_t wt;
+#endif
+                   const CHAR *startp = p;
+
+                   for (;;)
+                     {
+                       if (c1 == CHAR_CLASS_MAX_LENGTH)
+                         /* The name is too long and therefore the pattern
+                            is ill-formed.  */
+                         return FNM_NOMATCH;
+
+                       c = *++p;
+                       if (c == L(':') && p[1] == L(']'))
+                         {
+                           p += 2;
+                           break;
+                         }
+                       if (c < L('a') || c >= L('z'))
+                         {
+                           /* This cannot possibly be a character class name.
+                              Match it as a normal range.  */
+                           p = startp;
+                           c = L('[');
+                           goto normal_bracket;
+                         }
+                       str[c1++] = c;
+                     }
+                   str[c1] = L('\0');
+
+#if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H)
+                   wt = IS_CHAR_CLASS (str);
+                   if (wt == 0)
+                     /* Invalid character class name.  */
+                     return FNM_NOMATCH;
+
+# if defined _LIBC && ! WIDE_CHAR_VERSION
+                   /* The following code is glibc specific but does
+                      there a good job in speeding up the code since
+                      we can avoid the btowc() call.  */
+                   if (_ISCTYPE ((UCHAR) *n, wt))
+                     goto matched;
+# else
+                   if (ISWCTYPE (BTOWC ((UCHAR) *n), wt))
+                     goto matched;
+# endif
+#else
+                   if ((STREQ (str, L("alnum")) && ISALNUM ((UCHAR) *n))
+                       || (STREQ (str, L("alpha")) && ISALPHA ((UCHAR) *n))
+                       || (STREQ (str, L("blank")) && ISBLANK ((UCHAR) *n))
+                       || (STREQ (str, L("cntrl")) && ISCNTRL ((UCHAR) *n))
+                       || (STREQ (str, L("digit")) && ISDIGIT ((UCHAR) *n))
+                       || (STREQ (str, L("graph")) && ISGRAPH ((UCHAR) *n))
+                       || (STREQ (str, L("lower")) && ISLOWER ((UCHAR) *n))
+                       || (STREQ (str, L("print")) && ISPRINT ((UCHAR) *n))
+                       || (STREQ (str, L("punct")) && ISPUNCT ((UCHAR) *n))
+                       || (STREQ (str, L("space")) && ISSPACE ((UCHAR) *n))
+                       || (STREQ (str, L("upper")) && ISUPPER ((UCHAR) *n))
+                       || (STREQ (str, L("xdigit")) && ISXDIGIT ((UCHAR) *n)))
+                     goto matched;
+#endif
+                   c = *p++;
+                 }
+#ifdef _LIBC
+               else if (c == L('[') && *p == L('='))
+                 {
+                   UCHAR str[1];
+                   uint32_t nrules =
+                     _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES);
+                   const CHAR *startp = p;
+
+                   c = *++p;
+                   if (c == L('\0'))
+                     {
+                       p = startp;
+                       c = L('[');
+                       goto normal_bracket;
+                     }
+                   str[0] = c;
+
+                   c = *++p;
+                   if (c != L('=') || p[1] != L(']'))
+                     {
+                       p = startp;
+                       c = L('[');
+                       goto normal_bracket;
+                     }
+                   p += 2;
+
+                   if (nrules == 0)
+                     {
+                       if ((UCHAR) *n == str[0])
+                         goto matched;
+                     }
+                   else
+                     {
+                       const int32_t *table;
+# if WIDE_CHAR_VERSION
+                       const int32_t *weights;
+                       const int32_t *extra;
+# else
+                       const unsigned char *weights;
+                       const unsigned char *extra;
+# endif
+                       const int32_t *indirect;
+                       int32_t idx;
+                       const UCHAR *cp = (const UCHAR *) str;
+
+                       /* This #include defines a local function!  */
+# if WIDE_CHAR_VERSION
+#  include <locale/weightwc.h>
+# else
+#  include <locale/weight.h>
+# endif
+
+# if WIDE_CHAR_VERSION
+                       table = (const int32_t *)
+                         _NL_CURRENT (LC_COLLATE, _NL_COLLATE_TABLEWC);
+                       weights = (const int32_t *)
+                         _NL_CURRENT (LC_COLLATE, _NL_COLLATE_WEIGHTWC);
+                       extra = (const int32_t *)
+                         _NL_CURRENT (LC_COLLATE, _NL_COLLATE_EXTRAWC);
+                       indirect = (const int32_t *)
+                         _NL_CURRENT (LC_COLLATE, _NL_COLLATE_INDIRECTWC);
+# else
+                       table = (const int32_t *)
+                         _NL_CURRENT (LC_COLLATE, _NL_COLLATE_TABLEMB);
+                       weights = (const unsigned char *)
+                         _NL_CURRENT (LC_COLLATE, _NL_COLLATE_WEIGHTMB);
+                       extra = (const unsigned char *)
+                         _NL_CURRENT (LC_COLLATE, _NL_COLLATE_EXTRAMB);
+                       indirect = (const int32_t *)
+                         _NL_CURRENT (LC_COLLATE, _NL_COLLATE_INDIRECTMB);
+# endif
+
+                       idx = findidx (&cp);
+                       if (idx != 0)
+                         {
+                           /* We found a table entry.  Now see whether the
+                              character we are currently at has the same
+                              equivalance class value.  */
+                           int len = weights[idx];
+                           int32_t idx2;
+                           const UCHAR *np = (const UCHAR *) n;
+
+                           idx2 = findidx (&np);
+                           if (idx2 != 0 && len == weights[idx2])
+                             {
+                               int cnt = 0;
+
+                               while (cnt < len
+                                      && (weights[idx + 1 + cnt]
+                                          == weights[idx2 + 1 + cnt]))
+                                 ++cnt;
+
+                               if (cnt == len)
+                                 goto matched;
+                             }
+                         }
+                     }
+
+                   c = *p++;
+                 }
+#endif
+               else if (c == L('\0'))
+                 /* [ (unterminated) loses.  */
+                 return FNM_NOMATCH;
+               else
+                 {
+                   int is_range = 0;
+
+#ifdef _LIBC
+                   int is_seqval = 0;
+
+                   if (c == L('[') && *p == L('.'))
+                     {
+                       uint32_t nrules =
+                         _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_NRULES);
+                       const CHAR *startp = p;
+                       size_t c1 = 0;
+
+                       while (1)
+                         {
+                           c = *++p;
+                           if (c == L('.') && p[1] == L(']'))
+                             {
+                               p += 2;
+                               break;
+                             }
+                           if (c == '\0')
+                             return FNM_NOMATCH;
+                           ++c1;
+                         }
+
+                       /* We have to handling the symbols differently in
+                          ranges since then the collation sequence is
+                          important.  */
+                       is_range = *p == L('-') && p[1] != L('\0');
+
+                       if (nrules == 0)
+                         {
+                           /* There are no names defined in the collation
+                              data.  Therefore we only accept the trivial
+                              names consisting of the character itself.  */
+                           if (c1 != 1)
+                             return FNM_NOMATCH;
+
+                           if (!is_range && *n == startp[1])
+                             goto matched;
+
+                           cold = startp[1];
+                           c = *p++;
+                         }
+                       else
+                         {
+                           int32_t table_size;
+                           const int32_t *symb_table;
+# ifdef WIDE_CHAR_VERSION
+                           char str[c1];
+                           unsigned int strcnt;
+# else
+#  define str (startp + 1)
+# endif
+                           const unsigned char *extra;
+                           int32_t idx;
+                           int32_t elem;
+                           int32_t second;
+                           int32_t hash;
+
+# ifdef WIDE_CHAR_VERSION
+                           /* We have to convert the name to a single-byte
+                              string.  This is possible since the names
+                              consist of ASCII characters and the internal
+                              representation is UCS4.  */
+                           for (strcnt = 0; strcnt < c1; ++strcnt)
+                             str[strcnt] = startp[1 + strcnt];
+#endif
+
+                           table_size =
+                             _NL_CURRENT_WORD (LC_COLLATE,
+                                               _NL_COLLATE_SYMB_HASH_SIZEMB);
+                           symb_table = (const int32_t *)
+                             _NL_CURRENT (LC_COLLATE,
+                                          _NL_COLLATE_SYMB_TABLEMB);
+                           extra = (const unsigned char *)
+                             _NL_CURRENT (LC_COLLATE,
+                                          _NL_COLLATE_SYMB_EXTRAMB);
+
+                           /* Locate the character in the hashing table.  */
+                           hash = elem_hash (str, c1);
+
+                           idx = 0;
+                           elem = hash % table_size;
+                           if (symb_table[2 * elem] != 0)
+                             {
+                               second = hash % (table_size - 2) + 1;
+
+                               do
+                                 {
+                                   /* First compare the hashing value.  */
+                                   if (symb_table[2 * elem] == hash
+                                       && (c1
+                                           == extra[symb_table[2 * elem + 1]])
+                                       && __memcmp (str,
+                                                  &extra[symb_table[2 * elem
+                                                                    + 1]
+                                                         + 1], c1) == 0)
+                                     {
+                                       /* Yep, this is the entry.  */
+                                       idx = symb_table[2 * elem + 1];
+                                       idx += 1 + extra[idx];
+                                       break;
+                                     }
+
+                                   /* Next entry.  */
+                                   elem += second;
+                                 }
+                               while (symb_table[2 * elem] != 0);
+                             }
+
+                           if (symb_table[2 * elem] != 0)
+                             {
+                               /* Compare the byte sequence but only if
+                                  this is not part of a range.  */
+# ifdef WIDE_CHAR_VERSION
+                               int32_t *wextra;
+
+                               idx += 1 + extra[idx];
+                               /* Adjust for the alignment.  */
+                               idx = (idx + 3) & ~3;
+
+                               wextra = (int32_t *) &extra[idx + 4];
+# endif
+
+                               if (! is_range)
+                                 {
+# ifdef WIDE_CHAR_VERSION
+                                   for (c1 = 0;
+                                        (int32_t) c1 < wextra[idx];
+                                        ++c1)
+                                     if (n[c1] != wextra[1 + c1])
+                                       break;
+
+                                   if ((int32_t) c1 == wextra[idx])
+                                     goto matched;
+# else
+                                   for (c1 = 0; c1 < extra[idx]; ++c1)
+                                     if (n[c1] != extra[1 + c1])
+                                       break;
+
+                                   if (c1 == extra[idx])
+                                     goto matched;
+# endif
+                                 }
+
+                               /* Get the collation sequence value.  */
+                               is_seqval = 1;
+# ifdef WIDE_CHAR_VERSION
+                               cold = wextra[1 + wextra[idx]];
+# else
+                               /* Adjust for the alignment.  */
+                               idx += 1 + extra[idx];
+                               idx = (idx + 3) & ~4;
+                               cold = *((int32_t *) &extra[idx]);
+# endif
+
+                               c = *p++;
+                             }
+                           else if (c1 == 1)
+                             {
+                               /* No valid character.  Match it as a
+                                  single byte.  */
+                               if (!is_range && *n == str[0])
+                                 goto matched;
+
+                               cold = str[0];
+                               c = *p++;
+                             }
+                           else
+                             return FNM_NOMATCH;
+                         }
+                     }
+                   else
+# undef str
+#endif
+                     {
+                       c = FOLD (c);
+                     normal_bracket:
+
+                       /* We have to handling the symbols differently in
+                          ranges since then the collation sequence is
+                          important.  */
+                       is_range = (*p == L('-') && p[1] != L('\0')
+                                   && p[1] != L(']'));
+
+                       if (!is_range && c == fn)
+                         goto matched;
+
+                       /* This is needed if we goto normal_bracket; from
+                          outside of is_seqval's scope.  */
+#ifndef __UCLIBC__ /* this should be probably ifdef _LIBC*/
+                       is_seqval = 0;
+#endif
+                       cold = c;
+                       c = *p++;
+                     }
+
+                   if (c == L('-') && *p != L(']'))
+                     {
+#if _LIBC
+                       /* We have to find the collation sequence
+                          value for C.  Collation sequence is nothing
+                          we can regularly access.  The sequence
+                          value is defined by the order in which the
+                          definitions of the collation values for the
+                          various characters appear in the source
+                          file.  A strange concept, nowhere
+                          documented.  */
+                       uint32_t fcollseq;
+                       uint32_t lcollseq;
+                       UCHAR cend = *p++;
+
+# ifdef WIDE_CHAR_VERSION
+                       /* Search in the `names' array for the characters.  */
+                       fcollseq = __collseq_table_lookup (collseq, fn);
+                       if (fcollseq == ~((uint32_t) 0))
+                         /* XXX We don't know anything about the character
+                            we are supposed to match.  This means we are
+                            failing.  */
+                         goto range_not_matched;
+
+                       if (is_seqval)
+                         lcollseq = cold;
+                       else
+                         lcollseq = __collseq_table_lookup (collseq, cold);
+# else
+                       fcollseq = collseq[fn];
+                       lcollseq = is_seqval ? cold : collseq[(UCHAR) cold];
+# endif
+
+                       is_seqval = 0;
+                       if (cend == L('[') && *p == L('.'))
+                         {
+                           uint32_t nrules =
+                             _NL_CURRENT_WORD (LC_COLLATE,
+                                               _NL_COLLATE_NRULES);
+                           const CHAR *startp = p;
+                           size_t c1 = 0;
+
+                           while (1)
+                             {
+                               c = *++p;
+                               if (c == L('.') && p[1] == L(']'))
+                                 {
+                                   p += 2;
+                                   break;
+                                 }
+                               if (c == '\0')
+                                 return FNM_NOMATCH;
+                               ++c1;
+                             }
+
+                           if (nrules == 0)
+                             {
+                               /* There are no names defined in the
+                                  collation data.  Therefore we only
+                                  accept the trivial names consisting
+                                  of the character itself.  */
+                               if (c1 != 1)
+                                 return FNM_NOMATCH;
+
+                               cend = startp[1];
+                             }
+                           else
+                             {
+                               int32_t table_size;
+                               const int32_t *symb_table;
+# ifdef WIDE_CHAR_VERSION
+                               char str[c1];
+                               unsigned int strcnt;
+# else
+#  define str (startp + 1)
+# endif
+                               const unsigned char *extra;
+                               int32_t idx;
+                               int32_t elem;
+                               int32_t second;
+                               int32_t hash;
+
+# ifdef WIDE_CHAR_VERSION
+                               /* We have to convert the name to a single-byte
+                                  string.  This is possible since the names
+                                  consist of ASCII characters and the internal
+                                  representation is UCS4.  */
+                               for (strcnt = 0; strcnt < c1; ++strcnt)
+                                 str[strcnt] = startp[1 + strcnt];
+# endif
+
+                               table_size =
+                                 _NL_CURRENT_WORD (LC_COLLATE,
+                                                   _NL_COLLATE_SYMB_HASH_SIZEMB);
+                               symb_table = (const int32_t *)
+                                 _NL_CURRENT (LC_COLLATE,
+                                              _NL_COLLATE_SYMB_TABLEMB);
+                               extra = (const unsigned char *)
+                                 _NL_CURRENT (LC_COLLATE,
+                                              _NL_COLLATE_SYMB_EXTRAMB);
+
+                               /* Locate the character in the hashing
+                                   table.  */
+                               hash = elem_hash (str, c1);
+
+                               idx = 0;
+                               elem = hash % table_size;
+                               if (symb_table[2 * elem] != 0)
+                                 {
+                                   second = hash % (table_size - 2) + 1;
+
+                                   do
+                                     {
+                                       /* First compare the hashing value.  */
+                                       if (symb_table[2 * elem] == hash
+                                           && (c1
+                                               == extra[symb_table[2 * elem + 1]])
+                                           && __memcmp (str,
+                                                      &extra[symb_table[2 * elem + 1]
+                                                             + 1], c1) == 0)
+                                         {
+                                           /* Yep, this is the entry.  */
+                                           idx = symb_table[2 * elem + 1];
+                                           idx += 1 + extra[idx];
+                                           break;
+                                         }
+
+                                       /* Next entry.  */
+                                       elem += second;
+                                     }
+                                   while (symb_table[2 * elem] != 0);
+                                 }
+
+                               if (symb_table[2 * elem] != 0)
+                                 {
+                                   /* Compare the byte sequence but only if
+                                      this is not part of a range.  */
+# ifdef WIDE_CHAR_VERSION
+                                   int32_t *wextra;
+
+                                   idx += 1 + extra[idx];
+                                   /* Adjust for the alignment.  */
+                                   idx = (idx + 3) & ~4;
+
+                                   wextra = (int32_t *) &extra[idx + 4];
+# endif
+                                   /* Get the collation sequence value.  */
+                                   is_seqval = 1;
+# ifdef WIDE_CHAR_VERSION
+                                   cend = wextra[1 + wextra[idx]];
+# else
+                                   /* Adjust for the alignment.  */
+                                   idx += 1 + extra[idx];
+                                   idx = (idx + 3) & ~4;
+                                   cend = *((int32_t *) &extra[idx]);
+# endif
+                                 }
+                               else if (symb_table[2 * elem] != 0 && c1 == 1)
+                                 {
+                                   cend = str[0];
+                                   c = *p++;
+                                 }
+                               else
+                                 return FNM_NOMATCH;
+                             }
+# undef str
+                         }
+                       else
+                         {
+                           if (!(flags & FNM_NOESCAPE) && cend == L('\\'))
+                             cend = *p++;
+                           if (cend == L('\0'))
+                             return FNM_NOMATCH;
+                           cend = FOLD (cend);
+                         }
+
+                       /* XXX It is not entirely clear to me how to handle
+                          characters which are not mentioned in the
+                          collation specification.  */
+                       if (
+# ifdef WIDE_CHAR_VERSION
+                           lcollseq == 0xffffffff ||
+# endif
+                           lcollseq <= fcollseq)
+                         {
+                           /* We have to look at the upper bound.  */
+                           uint32_t hcollseq;
+
+                           if (is_seqval)
+                             hcollseq = cend;
+                           else
+                             {
+# ifdef WIDE_CHAR_VERSION
+                               hcollseq =
+                                 __collseq_table_lookup (collseq, cend);
+                               if (hcollseq == ~((uint32_t) 0))
+                                 {
+                                   /* Hum, no information about the upper
+                                      bound.  The matching succeeds if the
+                                      lower bound is matched exactly.  */
+                                   if (lcollseq != fcollseq)
+                                     goto range_not_matched;
+
+                                   goto matched;
+                                 }
+# else
+                               hcollseq = collseq[cend];
+# endif
+                             }
+
+                           if (lcollseq <= hcollseq && fcollseq <= hcollseq)
+                             goto matched;
+                         }
+# ifdef WIDE_CHAR_VERSION
+                     range_not_matched:
+# endif
+#else
+                       /* We use a boring value comparison of the character
+                          values.  This is better than comparing using
+                          `strcoll' since the latter would have surprising
+                          and sometimes fatal consequences.  */
+                       UCHAR cend = *p++;
+
+                       if (!(flags & FNM_NOESCAPE) && cend == L('\\'))
+                         cend = *p++;
+                       if (cend == L('\0'))
+                         return FNM_NOMATCH;
+
+                       /* It is a range.  */
+                       if (cold <= fn && fn <= cend)
+                         goto matched;
+#endif
+
+                       c = *p++;
+                     }
+                 }
+
+               if (c == L(']'))
+                 break;
+             }
+
+           if (!not)
+             return FNM_NOMATCH;
+           break;
+
+         matched:
+           /* Skip the rest of the [...] that already matched.  */
+           do
+             {
+             ignore_next:
+               c = *p++;
+
+               if (c == L('\0'))
+                 /* [... (unterminated) loses.  */
+                 return FNM_NOMATCH;
+
+               if (!(flags & FNM_NOESCAPE) && c == L('\\'))
+                 {
+                   if (*p == L('\0'))
+                     return FNM_NOMATCH;
+                   /* XXX 1003.2d11 is unclear if this is right.  */
+                   ++p;
+                 }
+               else if (c == L('[') && *p == L(':'))
+                 {
+                   int c1 = 0;
+                   const CHAR *startp = p;
+
+                   while (1)
+                     {
+                       c = *++p;
+                       if (++c1 == CHAR_CLASS_MAX_LENGTH)
+                         return FNM_NOMATCH;
+
+                       if (*p == L(':') && p[1] == L(']'))
+                         break;
+
+                       if (c < L('a') || c >= L('z'))
+                         {
+                           p = startp;
+                           goto ignore_next;
+                         }
+                     }
+                   p += 2;
+                   c = *p++;
+                 }
+               else if (c == L('[') && *p == L('='))
+                 {
+                   c = *++p;
+                   if (c == L('\0'))
+                     return FNM_NOMATCH;
+                   c = *++p;
+                   if (c != L('=') || p[1] != L(']'))
+                     return FNM_NOMATCH;
+                   p += 2;
+                   c = *p++;
+                 }
+               else if (c == L('[') && *p == L('.'))
+                 {
+                   ++p;
+                   while (1)
+                     {
+                       c = *++p;
+                       if (c == '\0')
+                         return FNM_NOMATCH;
+
+                       if (*p == L('.') && p[1] == L(']'))
+                         break;
+                     }
+                   p += 2;
+                   c = *p++;
+                 }
+             }
+           while (c != L(']'));
+           if (not)
+             return FNM_NOMATCH;
+         }
+         break;
+
+       case L('+'):
+       case L('@'):
+       case L('!'):
+         if (__builtin_expect (flags & FNM_EXTMATCH, 0) && *p == '(')
+           {
+             int res;
+
+             res = EXT (c, p, n, string_end, no_leading_period, flags);
+             if (res != -1)
+               return res;
+           }
+         goto normal_match;
+
+       case L('/'):
+         if (NO_LEADING_PERIOD (flags))
+           {
+             if (n == string_end || c != (UCHAR) *n)
+               return FNM_NOMATCH;
+
+             new_no_leading_period = 1;
+             break;
+           }
+         /* FALLTHROUGH */
+       default:
+       normal_match:
+         if (n == string_end || c != FOLD ((UCHAR) *n))
+           return FNM_NOMATCH;
+       }
+
+      no_leading_period = new_no_leading_period;
+      ++n;
+    }
+
+  if (n == string_end)
+    return 0;
+
+  if ((flags & FNM_LEADING_DIR) && n != string_end && *n == L('/'))
+    /* The FNM_LEADING_DIR flag says that "foo*" matches "foobar/frobozz".  */
+    return 0;
+
+  return FNM_NOMATCH;
+}
+
+
+static const CHAR *
+internal_function
+END (const CHAR *pattern)
+{
+  const CHAR *p = pattern;
+
+  while (1)
+    if (*++p == L('\0'))
+      /* This is an invalid pattern.  */
+      return pattern;
+    else if (*p == L('['))
+      {
+       /* Handle brackets special.  */
+       if (posixly_correct == 0)
+         posixly_correct = __getenv ("POSIXLY_CORRECT") != NULL ? 1 : -1;
+
+       /* Skip the not sign.  We have to recognize it because of a possibly
+          following ']'.  */
+       if (*++p == L('!') || (posixly_correct < 0 && *p == L('^')))
+         ++p;
+       /* A leading ']' is recognized as such.  */
+       if (*p == L(']'))
+         ++p;
+       /* Skip over all characters of the list.  */
+       while (*p != L(']'))
+         if (*p++ == L('\0'))
+           /* This is no valid pattern.  */
+           return pattern;
+      }
+    else if ((*p == L('?') || *p == L('*') || *p == L('+') || *p == L('@')
+             || *p == L('!')) && p[1] == L('('))
+      p = END (p + 1);
+    else if (*p == L(')'))
+      break;
+
+  return p + 1;
+}
+
+
+static int
+internal_function
+EXT (INT opt, const CHAR *pattern, const CHAR *string, const CHAR *string_end,
+     int no_leading_period, int flags)
+{
+  const CHAR *startp;
+  int level;
+  struct patternlist
+  {
+    struct patternlist *next;
+    CHAR str[0];
+  } *list = NULL;
+  struct patternlist **lastp = &list;
+  size_t pattern_len = STRLEN (pattern);
+  const CHAR *p;
+  const CHAR *rs;
+
+  /* Parse the pattern.  Store the individual parts in the list.  */
+  level = 0;
+  for (startp = p = pattern + 1; level >= 0; ++p)
+    if (*p == L('\0'))
+      /* This is an invalid pattern.  */
+      return -1;
+    else if (*p == L('['))
+      {
+       /* Handle brackets special.  */
+       if (posixly_correct == 0)
+         posixly_correct = __getenv ("POSIXLY_CORRECT") != NULL ? 1 : -1;
+
+       /* Skip the not sign.  We have to recognize it because of a possibly
+          following ']'.  */
+       if (*++p == L('!') || (posixly_correct < 0 && *p == L('^')))
+         ++p;
+       /* A leading ']' is recognized as such.  */
+       if (*p == L(']'))
+         ++p;
+       /* Skip over all characters of the list.  */
+       while (*p != L(']'))
+         if (*p++ == L('\0'))
+           /* This is no valid pattern.  */
+           return -1;
+      }
+    else if ((*p == L('?') || *p == L('*') || *p == L('+') || *p == L('@')
+             || *p == L('!')) && p[1] == L('('))
+      /* Remember the nesting level.  */
+      ++level;
+    else if (*p == L(')'))
+      {
+       if (level-- == 0)
+         {
+           /* This means we found the end of the pattern.  */
+#define NEW_PATTERN \
+           struct patternlist *newp;                                         \
+                                                                             \
+           if (opt == L('?') || opt == L('@'))                               \
+             newp = alloca (sizeof (struct patternlist)                      \
+                            + (pattern_len * sizeof (CHAR)));                \
+           else                                                              \
+             newp = alloca (sizeof (struct patternlist)                      \
+                            + ((p - startp + 1) * sizeof (CHAR)));           \
+           *((CHAR *) MEMPCPY (newp->str, startp, p - startp)) = L('\0');    \
+           newp->next = NULL;                                                \
+           *lastp = newp;                                                    \
+           lastp = &newp->next
+           NEW_PATTERN;
+         }
+      }
+    else if (*p == L('|'))
+      {
+       if (level == 0)
+         {
+           NEW_PATTERN;
+           startp = p + 1;
+         }
+      }
+  assert (list != NULL);
+  assert (p[-1] == L(')'));
+#undef NEW_PATTERN
+
+  switch (opt)
+    {
+    case L('*'):
+      if (FCT (p, string, string_end, no_leading_period, flags) == 0)
+       return 0;
+      /* FALLTHROUGH */
+
+    case L('+'):
+      do
+       {
+         for (rs = string; rs <= string_end; ++rs)
+           /* First match the prefix with the current pattern with the
+              current pattern.  */
+           if (FCT (list->str, string, rs, no_leading_period,
+                    flags & FNM_FILE_NAME ? flags : flags & ~FNM_PERIOD) == 0
+               /* This was successful.  Now match the rest with the rest
+                  of the pattern.  */
+               && (FCT (p, rs, string_end,
+                        rs == string
+                        ? no_leading_period
+                        : rs[-1] == '/' && NO_LEADING_PERIOD (flags) ? 1 : 0,
+                        flags & FNM_FILE_NAME
+                        ? flags : flags & ~FNM_PERIOD) == 0
+                   /* This didn't work.  Try the whole pattern.  */
+                   || (rs != string
+                       && FCT (pattern - 1, rs, string_end,
+                               rs == string
+                               ? no_leading_period
+                               : (rs[-1] == '/' && NO_LEADING_PERIOD (flags)
+                                  ? 1 : 0),
+                               flags & FNM_FILE_NAME
+                               ? flags : flags & ~FNM_PERIOD) == 0)))
+             /* It worked.  Signal success.  */
+             return 0;
+       }
+      while ((list = list->next) != NULL);
+
+      /* None of the patterns lead to a match.  */
+      return FNM_NOMATCH;
+
+    case L('?'):
+      if (FCT (p, string, string_end, no_leading_period, flags) == 0)
+       return 0;
+      /* FALLTHROUGH */
+
+    case L('@'):
+      do
+       /* I cannot believe it but `strcat' is actually acceptable
+          here.  Match the entire string with the prefix from the
+          pattern list and the rest of the pattern following the
+          pattern list.  */
+       if (FCT (STRCAT (list->str, p), string, string_end,
+                no_leading_period,
+                flags & FNM_FILE_NAME ? flags : flags & ~FNM_PERIOD) == 0)
+         /* It worked.  Signal success.  */
+         return 0;
+      while ((list = list->next) != NULL);
+
+      /* None of the patterns lead to a match.  */
+      return FNM_NOMATCH;
+
+    case L('!'):
+      for (rs = string; rs <= string_end; ++rs)
+       {
+         struct patternlist *runp;
+
+         for (runp = list; runp != NULL; runp = runp->next)
+           if (FCT (runp->str, string, rs,  no_leading_period,
+                    flags & FNM_FILE_NAME ? flags : flags & ~FNM_PERIOD) == 0)
+             break;
+
+         /* If none of the patterns matched see whether the rest does.  */
+         if (runp == NULL
+             && (FCT (p, rs, string_end,
+                      rs == string
+                      ? no_leading_period
+                      : rs[-1] == '/' && NO_LEADING_PERIOD (flags) ? 1 : 0,
+                      flags & FNM_FILE_NAME ? flags : flags & ~FNM_PERIOD)
+                 == 0))
+           /* This is successful.  */
+           return 0;
+       }
+
+      /* None of the patterns together with the rest of the pattern
+        lead to a match.  */
+      return FNM_NOMATCH;
+
+    default:
+      assert (! "Invalid extended matching operator");
+      break;
+    }
+
+  return -1;
+}
+
+
+#undef FOLD
+#undef CHAR
+#undef UCHAR
+#undef INT
+#undef FCT
+#undef EXT
+#undef END
+#undef MEMPCPY
+#undef MEMCHR
+#undef STRCOLL
+#undef STRLEN
+#undef STRCAT
+#undef L
+#undef BTOWC