Commit e9c6571d7fd39c82232fd965544ce34c6974a441

Vicent Marti 2011-07-06T01:04:04

fnmatch: Use native on Unix, emulate on Win32

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diff --git a/src/fnmatch.c b/src/fnmatch.c
deleted file mode 100644
index 66e2c33..0000000
--- a/src/fnmatch.c
+++ /dev/null
@@ -1,489 +0,0 @@
-/* Copyright (C) 1991, 92, 93, 96, 97, 98, 99 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   This library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
-
-   This library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with this library; see the file COPYING.LIB.  If not,
-   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 <errno.h>
-#include <fnmatch.h>
-#include <ctype.h>
-
-#if defined _MSC_VER
-# define HAVE_STRING_H 1
-#endif
-
-#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 platforms which support the ISO C amendment 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>
-#endif
-
-/* 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 amendment 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
-
-#  ifdef _LIBC
-#   define IS_CHAR_CLASS(string) __wctype (string)
-#  else
-#   define IS_CHAR_CLASS(string) wctype (string)
-#  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
-extern char *getenv ();
-# endif
-
-# ifndef errno
-extern int errno;
-# endif
-
-# ifndef NULL
-#  define NULL 0
-# endif
-
-/* This function doesn't exist on most systems.  */
-
-# if !defined HAVE___STRCHRNUL && !defined _LIBC
-static char *
-__strchrnul (const char *s, int c)
-{
-  char *result = strchr (s, c);
-  if (result == NULL)
-    result = strchr (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
-
-/* Match STRING against the filename pattern PATTERN, returning zero if
-   it matches, nonzero if not.  */
-static int internal_fnmatch __P ((const char *pattern, const char *string,
-				  int no_leading_period, int flags))
-     internal_function;
-static int
-internal_function
-internal_fnmatch(const char *pattern, const char *string,
-				 int no_leading_period ,int flags)
-{
-  register const char *p = pattern, *n = string;
-  register unsigned char c;
-
-/* Note that this evaluates C many times.  */
-# ifdef _LIBC
-#  define FOLD(c) ((flags & FNM_CASEFOLD) ? tolower (c) : (c))
-# else
-#  define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? tolower (c) : (c))
-# endif
-
-  while ((c = *p++) != '\0')
-    {
-      c = (unsigned char) FOLD (c);
-
-      switch (c)
-	{
-	case '?':
-	  if (*n == '\0')
-	    return FNM_NOMATCH;
-	  else if (*n == '/' && (flags & FNM_FILE_NAME))
-	    return FNM_NOMATCH;
-	  else if (*n == '.' && no_leading_period
-		   && (n == string
-		       || (n[-1] == '/' && (flags & FNM_FILE_NAME))))
-	    return FNM_NOMATCH;
-	  break;
-
-	case '\\':
-	  if (!(flags & FNM_NOESCAPE))
-	    {
-	      c = *p++;
-	      if (c == '\0')
-		/* Trailing \ loses.  */
-		return FNM_NOMATCH;
-	      c = (unsigned char) FOLD (c);
-	    }
-	  if (FOLD ((unsigned char) *n) != c)
-	    return FNM_NOMATCH;
-	  break;
-
-	case '*':
-	  if (*n == '.' && no_leading_period
-	      && (n == string
-		  || (n[-1] == '/' && (flags & FNM_FILE_NAME))))
-	    return FNM_NOMATCH;
-
-	  for (c = *p++; c == '?' || c == '*'; c = *p++)
-	    {
-	      if (*n == '/' && (flags & FNM_FILE_NAME))
-		/* A slash does not match a wildcard under FNM_FILE_NAME.  */
-		return FNM_NOMATCH;
-	      else if (c == '?')
-		{
-		  /* A ? needs to match one character.  */
-		  if (*n == '\0')
-		    /* There isn't another character; no match.  */
-		    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 == '\0')
-	    /* The wildcard(s) is/are the last element of the pattern.
-	       If the name is a file name and contains another slash
-	       this does mean it cannot match.  */
-	    return ((flags & FNM_FILE_NAME) && strchr (n, '/') != NULL
-		    ? FNM_NOMATCH : 0);
-	  else
-	    {
-	      const char *endp;
-
-	      endp = __strchrnul (n, (flags & FNM_FILE_NAME) ? '/' : '\0');
-
-	      if (c == '[')
-		{
-		  int flags2 = ((flags & FNM_FILE_NAME)
-				? flags : (flags & ~FNM_PERIOD));
-
-		  for (--p; n < endp; ++n)
-		    if (internal_fnmatch (p, n,
-					  (no_leading_period
-					   && (n == string
-					       || (n[-1] == '/'
-						   && (flags
-						       & FNM_FILE_NAME)))),
-					  flags2)
-			== 0)
-		      return 0;
-		}
-	      else if (c == '/' && (flags & FNM_FILE_NAME))
-		{
-		  while (*n != '\0' && *n != '/')
-		    ++n;
-		  if (*n == '/'
-		      && (internal_fnmatch (p, n + 1, flags & FNM_PERIOD,
-					    flags) == 0))
-		    return 0;
-		}
-	      else
-		{
-		  int flags2 = ((flags & FNM_FILE_NAME)
-				? flags : (flags & ~FNM_PERIOD));
-
-		  if (c == '\\' && !(flags & FNM_NOESCAPE))
-		    c = *p;
-		  c = (unsigned char) FOLD (c);
-		  for (--p; n < endp; ++n)
-		    if (FOLD ((unsigned char) *n) == c
-			&& (internal_fnmatch (p, n,
-					      (no_leading_period
-					       && (n == string
-						   || (n[-1] == '/'
-						       && (flags
-							   & FNM_FILE_NAME)))),
-					      flags2) == 0))
-		      return 0;
-		}
-	    }
-
-	  /* If we come here no match is possible with the wildcard.  */
-	  return FNM_NOMATCH;
-
-	case '[':
-	  {
-	    /* Nonzero if the sense of the character class is inverted.  */
-	    static int posixly_correct;
-	    register int not;
-	    char cold;
-
-	    if (posixly_correct == 0)
-	      posixly_correct = getenv ("POSIXLY_CORRECT") != NULL ? 1 : -1;
-
-	    if (*n == '\0')
-	      return FNM_NOMATCH;
-
-	    if (*n == '.' && no_leading_period && (n == string
-						   || (n[-1] == '/'
-						       && (flags
-							   & FNM_FILE_NAME))))
-	      return FNM_NOMATCH;
-
-	    if (*n == '/' && (flags & FNM_FILE_NAME))
-	      /* `/' cannot be matched.  */
-	      return FNM_NOMATCH;
-
-	    not = (*p == '!' || (posixly_correct < 0 && *p == '^'));
-	    if (not)
-	      ++p;
-
-	    c = *p++;
-	    for (;;)
-	      {
-		    unsigned char fn;
-			fn = (unsigned char) FOLD ((unsigned char) *n);
-
-		if (!(flags & FNM_NOESCAPE) && c == '\\')
-		  {
-		    if (*p == '\0')
-		      return FNM_NOMATCH;
-		    c = (unsigned char) FOLD ((unsigned char) *p);
-		    ++p;
-
-		    if (c == fn)
-		      goto matched;
-		  }
-		else if (c == '[' && *p == ':')
-		  {
-		    /* 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 == ':' && p[1] == ']')
-			  {
-			    p += 2;
-			    break;
-			  }
-			if (c < 'a' || c >= 'z')
-			  {
-			    /* This cannot possibly be a character class name.
-			       Match it as a normal range.  */
-			    p = startp;
-			    c = '[';
-			    goto normal_bracket;
-			  }
-			str[c1++] = c;
-		      }
-		    str[c1] = '\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 (__iswctype (__btowc ((unsigned char) *n), wt))
-		      goto matched;
-# else
-		    if ((STREQ (str, "alnum") && ISALNUM ((unsigned char) *n))
-			|| (STREQ (str, "alpha") && ISALPHA ((unsigned char) *n))
-			|| (STREQ (str, "blank") && ISBLANK ((unsigned char) *n))
-			|| (STREQ (str, "cntrl") && ISCNTRL ((unsigned char) *n))
-			|| (STREQ (str, "digit") && ISDIGIT ((unsigned char) *n))
-			|| (STREQ (str, "graph") && ISGRAPH ((unsigned char) *n))
-			|| (STREQ (str, "lower") && ISLOWER ((unsigned char) *n))
-			|| (STREQ (str, "print") && ISPRINT ((unsigned char) *n))
-			|| (STREQ (str, "punct") && ISPUNCT ((unsigned char) *n))
-			|| (STREQ (str, "space") && ISSPACE ((unsigned char) *n))
-			|| (STREQ (str, "upper") && ISUPPER ((unsigned char) *n))
-			|| (STREQ (str, "xdigit") && ISXDIGIT ((unsigned char) *n)))
-		      goto matched;
-# endif
-		  }
-		else if (c == '\0')
-		  /* [ (unterminated) loses.  */
-		  return FNM_NOMATCH;
-		else
-		  {
-		  normal_bracket:
-		    if (FOLD (c) == fn)
-		      goto matched;
-
-		    cold = c;
-		    c = *p++;
-
-		    if (c == '-' && *p != ']')
-		      {
-			/* It is a range.  */
-			unsigned char cend = *p++;
-			if (!(flags & FNM_NOESCAPE) && cend == '\\')
-			  cend = *p++;
-			if (cend == '\0')
-			  return FNM_NOMATCH;
-
-			if (cold <= fn && fn <= FOLD (cend))
-			  goto matched;
-
-			c = *p++;
-		      }
-		  }
-
-		if (c == ']')
-		  break;
-	      }
-
-	    if (!not)
-	      return FNM_NOMATCH;
-	    break;
-
-	  matched:
-	    /* Skip the rest of the [...] that already matched.  */
-	    while (c != ']')
-	      {
-		if (c == '\0')
-		  /* [... (unterminated) loses.  */
-		  return FNM_NOMATCH;
-
-		c = *p++;
-		if (!(flags & FNM_NOESCAPE) && c == '\\')
-		  {
-		    if (*p == '\0')
-		      return FNM_NOMATCH;
-		    /* XXX 1003.2d11 is unclear if this is right.  */
-		    ++p;
-		  }
-		else if (c == '[' && *p == ':')
-		  {
-		    do
-		      if (*++p == '\0')
-			return FNM_NOMATCH;
-		    while (*p != ':' || p[1] == ']');
-		    p += 2;
-		    c = *p;
-		  }
-	      }
-	    if (not)
-	      return FNM_NOMATCH;
-	  }
-	  break;
-
-	default:
-	  if (c != FOLD ((unsigned char) *n))
-	    return FNM_NOMATCH;
-	}
-
-      ++n;
-    }
-
-  if (*n == '\0')
-    return 0;
-
-  if ((flags & FNM_LEADING_DIR) && *n == '/')
-    /* The FNM_LEADING_DIR flag says that "foo*" matches "foobar/frobozz".  */
-    return 0;
-
-  return FNM_NOMATCH;
-
-# undef FOLD
-}
-
-
-int
-fnmatch(const char *pattern, const char *string, int flags)
-{
-  return internal_fnmatch (pattern, string, flags & FNM_PERIOD, flags);
-}
-
-#endif	/* _LIBC or not __GNU_LIBRARY__.  */
diff --git a/src/fnmatch.h b/src/fnmatch.h
deleted file mode 100644
index cc3ec37..0000000
--- a/src/fnmatch.h
+++ /dev/null
@@ -1,84 +0,0 @@
-/* Copyright (C) 1991, 92, 93, 96, 97, 98, 99 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#ifndef	_FNMATCH_H
-#define	_FNMATCH_H	1
-
-#ifdef	__cplusplus
-extern "C" {
-#endif
-
-#if defined __cplusplus || (defined __STDC__ && __STDC__) || defined WINDOWS32
-# if !defined __GLIBC__ || !defined __P
-#  undef	__P
-#  define __P(protos)	protos
-# endif
-#else /* Not C++ or ANSI C.  */
-# undef	__P
-# define __P(protos)	()
-/* We can get away without defining `const' here only because in this file
-   it is used only inside the prototype for `fnmatch', which is elided in
-   non-ANSI C where `const' is problematical.  */
-#endif /* C++ or ANSI C.  */
-
-#ifndef const
-# if (defined __STDC__ && __STDC__) || defined __cplusplus
-#  define __const	const
-# else
-#  define __const
-# endif
-#endif
-
-/* We #undef these before defining them because some losing systems
-   (HP-UX A.08.07 for example) define these in <unistd.h>.  */
-#undef	FNM_PATHNAME
-#undef	FNM_NOESCAPE
-#undef	FNM_PERIOD
-
-/* Bits set in the FLAGS argument to `fnmatch'.  */
-#define	FNM_PATHNAME	(1 << 0) /* No wildcard can ever match `/'.  */
-#define	FNM_NOESCAPE	(1 << 1) /* Backslashes don't quote special chars.  */
-#define	FNM_PERIOD	(1 << 2) /* Leading `.' is matched only explicitly.  */
-
-#if !defined _POSIX_C_SOURCE || _POSIX_C_SOURCE < 2 || defined _GNU_SOURCE
-# define FNM_FILE_NAME	 FNM_PATHNAME	/* Preferred GNU name.  */
-# define FNM_LEADING_DIR (1 << 3)	/* Ignore `/...' after a match.  */
-# define FNM_CASEFOLD	 (1 << 4)	/* Compare without regard to case.  */
-#endif
-
-/* Value returned by `fnmatch' if STRING does not match PATTERN.  */
-#define	FNM_NOMATCH	1
-
-/* This value is returned if the implementation does not support
-   `fnmatch'.  Since this is not the case here it will never be
-   returned but the conformance test suites still require the symbol
-   to be defined.  */
-#ifdef _XOPEN_SOURCE
-# define FNM_NOSYS	(-1)
-#endif
-
-/* Match NAME against the filename pattern PATTERN,
-   returning zero if it matches, FNM_NOMATCH if not.  */
-extern int fnmatch __P ((__const char *__pattern, __const char *__name,
-			 int __flags));
-
-#ifdef	__cplusplus
-}
-#endif
-
-#endif /* fnmatch.h */
diff --git a/src/unix/posix.h b/src/unix/posix.h
index 0793739..d52aa09 100644
--- a/src/unix/posix.h
+++ b/src/unix/posix.h
@@ -2,6 +2,7 @@
 #define INCLUDE_posix__w32_h__
 
 #include "common.h"
+#include <fnmatch.h>
 
 #define p_lstat(p,b) lstat(p,b)
 #define p_readlink(a, b, c) readlink(a, b, c)
@@ -10,5 +11,6 @@
 #define p_mkdir(p,m) mkdir(p, m)
 #define p_fsync(fd) fsync(fd)
 #define p_realpath(p, po) realpath(p, po)
+#define p_fnmatch(p, s, f) fnmatch(p, s, f)
 
 #endif
diff --git a/src/util.c b/src/util.c
index 5b8a136..7bfc08b 100644
--- a/src/util.c
+++ b/src/util.c
@@ -1,14 +1,12 @@
 #include <git2.h>
 #include "common.h"
-#include "fnmatch.h"
 #include <stdarg.h>
 #include <stdio.h>
 #include <ctype.h>
+#include "posix.h"
 
 #ifdef _MSV_VER
 # include <Shlwapi.h>
-#else
-# include <fnmatch.h>
 #endif
 
 void git_libgit2_version(int *major, int *minor, int *rev)
@@ -31,7 +29,7 @@ int git__fnmatch(const char *pattern, const char *name, int flags)
 {
 	int ret;
 
-	ret = fnmatch(pattern, name, flags);
+	ret = p_fnmatch(pattern, name, flags);
 	switch (ret) {
 	case 0:
 		return GIT_SUCCESS;
diff --git a/src/win32/fnmatch.c b/src/win32/fnmatch.c
new file mode 100644
index 0000000..0789937
--- /dev/null
+++ b/src/win32/fnmatch.c
@@ -0,0 +1,205 @@
+/*
+ * Copyright (c) 1989, 1993, 1994
+ *      The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Guido van Rossum.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Function fnmatch() as specified in POSIX 1003.2-1992, section B.6.
+ * Compares a filename or pathname to a pattern.
+ */
+
+#include <ctype.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "fnmatch.h"
+
+#define EOS        '\0'
+
+#define RANGE_MATCH        1
+#define RANGE_NOMATCH        0
+#define RANGE_ERROR        (-1)
+
+static int rangematch(const char *, char, int, char **);
+
+int
+p_fnmatch(const char *pattern, const char *string, int flags)
+{
+        const char *stringstart;
+        char *newp;
+        char c, test;
+
+        for (stringstart = string;;)
+                switch (c = *pattern++) {
+                case EOS:
+                        if ((flags & FNM_LEADING_DIR) && *string == '/')
+                                return (0);
+                        return (*string == EOS ? 0 : FNM_NOMATCH);
+                case '?':
+                        if (*string == EOS)
+                                return (FNM_NOMATCH);
+                        if (*string == '/' && (flags & FNM_PATHNAME))
+                                return (FNM_NOMATCH);
+                        if (*string == '.' && (flags & FNM_PERIOD) &&
+                            (string == stringstart ||
+                            ((flags & FNM_PATHNAME) && *(string - 1) == '/')))
+                                return (FNM_NOMATCH);
+                        ++string;
+                        break;
+                case '*':
+                        c = *pattern;
+                        /* Collapse multiple stars. */
+                        while (c == '*')
+                                c = *++pattern;
+
+                        if (*string == '.' && (flags & FNM_PERIOD) &&
+                            (string == stringstart ||
+                            ((flags & FNM_PATHNAME) && *(string - 1) == '/')))
+                                return (FNM_NOMATCH);
+
+                        /* Optimize for pattern with * at end or before /. */
+                        if (c == EOS) {
+                                if (flags & FNM_PATHNAME)
+                                        return ((flags & FNM_LEADING_DIR) ||
+                                            strchr(string, '/') == NULL ?
+                                            0 : FNM_NOMATCH);
+                                else
+                                        return (0);
+                        } else if (c == '/' && (flags & FNM_PATHNAME)) {
+                                if ((string = strchr(string, '/')) == NULL)
+                                        return (FNM_NOMATCH);
+                                break;
+                        }
+
+                        /* General case, use recursion. */
+                        while ((test = *string) != EOS) {
+                                if (!fnmatch(pattern, string, flags & ~FNM_PERIOD))
+                                        return (0);
+                                if (test == '/' && (flags & FNM_PATHNAME))
+                                        break;
+                                ++string;
+                        }
+                        return (FNM_NOMATCH);
+                case '[':
+                        if (*string == EOS)
+                                return (FNM_NOMATCH);
+                        if (*string == '/' && (flags & FNM_PATHNAME))
+                                return (FNM_NOMATCH);
+                        if (*string == '.' && (flags & FNM_PERIOD) &&
+                            (string == stringstart ||
+                            ((flags & FNM_PATHNAME) && *(string - 1) == '/')))
+                                return (FNM_NOMATCH);
+
+                        switch (rangematch(pattern, *string, flags, &newp)) {
+                        case RANGE_ERROR:
+                                /* not a good range, treat as normal text */
+                                goto normal;
+                        case RANGE_MATCH:
+                                pattern = newp;
+                                break;
+                        case RANGE_NOMATCH:
+                                return (FNM_NOMATCH);
+                        }
+                        ++string;
+                        break;
+                case '\\':
+                        if (!(flags & FNM_NOESCAPE)) {
+                                if ((c = *pattern++) == EOS) {
+                                        c = '\\';
+                                        --pattern;
+                                }
+                        }
+                        /* FALLTHROUGH */
+                default:
+                normal:
+                        if (c != *string && !((flags & FNM_CASEFOLD) &&
+                                 (tolower((unsigned char)c) ==
+                                 tolower((unsigned char)*string))))
+                                return (FNM_NOMATCH);
+                        ++string;
+                        break;
+                }
+        /* NOTREACHED */
+}
+
+static int
+rangematch(const char *pattern, char test, int flags, char **newp)
+{
+        int negate, ok;
+        char c, c2;
+
+        /*
+         * A bracket expression starting with an unquoted circumflex
+         * character produces unspecified results (IEEE 1003.2-1992,
+         * 3.13.2).  This implementation treats it like '!', for
+         * consistency with the regular expression syntax.
+         * J.T. Conklin (conklin@ngai.kaleida.com)
+         */
+        if ((negate = (*pattern == '!' || *pattern == '^')))
+                ++pattern;
+
+        if (flags & FNM_CASEFOLD)
+                test = (char)tolower((unsigned char)test);
+
+        /*
+         * A right bracket shall lose its special meaning and represent
+         * itself in a bracket expression if it occurs first in the list.
+         * -- POSIX.2 2.8.3.2
+         */
+        ok = 0;
+        c = *pattern++;
+        do {
+                if (c == '\\' && !(flags & FNM_NOESCAPE))
+                        c = *pattern++;
+                if (c == EOS)
+                        return (RANGE_ERROR);
+                if (c == '/' && (flags & FNM_PATHNAME))
+                        return (RANGE_NOMATCH);
+                if ((flags & FNM_CASEFOLD))
+                        c = (char)tolower((unsigned char)c);
+                if (*pattern == '-'
+                    && (c2 = *(pattern+1)) != EOS && c2 != ']') {
+                        pattern += 2;
+                        if (c2 == '\\' && !(flags & FNM_NOESCAPE))
+                                c2 = *pattern++;
+                        if (c2 == EOS)
+                                return (RANGE_ERROR);
+                        if (flags & FNM_CASEFOLD)
+                                c2 = (char)tolower((unsigned char)c2);
+                        if (c <= test && test <= c2)
+                                ok = 1;
+                } else if (c == test)
+                        ok = 1;
+        } while ((c = *pattern++) != ']');
+
+        *newp = (char *)pattern;
+        return (ok == negate ? RANGE_NOMATCH : RANGE_MATCH);
+}
+
diff --git a/src/win32/fnmatch.h b/src/win32/fnmatch.h
new file mode 100644
index 0000000..1309c6e
--- /dev/null
+++ b/src/win32/fnmatch.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+#ifndef INCLUDE_fnmatch__w32_h__
+#define INCLUDE_fnmatch__w32_h__
+
+#include "common.h"
+
+#define FNM_NOMATCH      1     /* Match failed. */
+#define FNM_NOSYS        2     /* Function not supported (unused). */
+
+#define FNM_NOESCAPE     0x01        /* Disable backslash escaping. */
+#define FNM_PATHNAME     0x02        /* Slash must be matched by slash. */
+#define FNM_PERIOD       0x04        /* Period must be matched by period. */
+#define FNM_LEADING_DIR  0x08        /* Ignore /<tail> after Imatch. */
+#define FNM_CASEFOLD     0x10        /* Case insensitive search. */
+
+#define FNM_IGNORECASE   FNM_CASEFOLD
+#define FNM_FILE_NAME    FNM_PATHNAME
+
+extern int p_fnmatch(const char *pattern, const char *string, int flags);
+
+#endif /* _FNMATCH_H */
+
diff --git a/src/win32/posix.h b/src/win32/posix.h
index 90571ae..503c5d8 100644
--- a/src/win32/posix.h
+++ b/src/win32/posix.h
@@ -2,6 +2,7 @@
 #define INCLUDE_posix__w32_h__
 
 #include "common.h"
+#include "fnmatch.h"
 
 GIT_INLINE(int) p_link(const char *GIT_UNUSED(old), const char *GIT_UNUSED(new))
 {