fnmatch: remove unused code

The `fnmatch` code has now been completely replaced by
`wildmatch`, same as upstream git.git has been doing in 2014.
Remove it.

2 files changed, 0 insertions, 296 deletions

diff --git a/src/fnmatch.c b/src/fnmatch.c
deleted file mode 100644
index 3cc2a27ba..000000000
--- a/src/fnmatch.c
+++ /dev/null
@@ -1,248 +0,0 @@
-/*
- * Copyright (C) the libgit2 contributors. All rights reserved.
- *
- * This file is part of libgit2, distributed under the GNU GPL v2 with
- * a Linking Exception. For full terms see the included COPYING file.
- */
-
-/*
- * This file contains code originally derrived from OpenBSD fnmatch.c 
- *
- * 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 "fnmatch.h"
-
-#include <ctype.h>
-#include <stdio.h>
-#include <string.h>
-
-#define EOS		'\0'
-
-#define RANGE_MATCH		1
-#define RANGE_NOMATCH		0
-#define RANGE_ERROR		(-1)
-
-static int rangematch(const char *, char, int, char **);
-
-static int
-p_fnmatchx(const char *pattern, const char *string, int flags, size_t recurs)
-{
-		const char *stringstart;
-		char *newp;
-		char c, test;
-		int recurs_flags = flags & ~FNM_PERIOD;
-
-		if (recurs-- == 0)
-				return FNM_NORES;
-
-		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;
-
-						/* Let '**' override PATHNAME match for this segment.
-						 * It will be restored if/when we recurse below.
-						 */
-						if (c == '*') {
-							c = *++pattern;
-							/* star-star-slash is at the end, match by default */
-							if (c == EOS)
-								return 0;
-							/* Double-star must be at end or between slashes */
-							if (c != '/')
-								return (FNM_NOMATCH);
-
-							c = *++pattern;
-							do {
-								int e = p_fnmatchx(pattern, string, recurs_flags, recurs);
-								if (e != FNM_NOMATCH)
-									return e;
-								string = strchr(string, '/');
-							} while (string++);
-
-							/* If we get here, we didn't find a match */
-							return FNM_NOMATCH;
-						}
-
-						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) {
-								int e;
-
-								e = p_fnmatchx(pattern, string, recurs_flags, recurs);
-								if (e != FNM_NOMATCH)
-										return e;
-								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) &&
-									(git__tolower((unsigned char)c) ==
-									git__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 == '^')) != 0)
-				++pattern;
-
-		if (flags & FNM_CASEFOLD)
-				test = (char)git__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)git__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)git__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);
-}
-
-int
-p_fnmatch(const char *pattern, const char *string, int flags)
-{
-		return p_fnmatchx(pattern, string, flags, 64);
-}
-
diff --git a/src/fnmatch.h b/src/fnmatch.h
deleted file mode 100644
index ddaae15bb..000000000
--- a/src/fnmatch.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * 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_h__
-#define INCLUDE_fnmatch_h__
-
-#include "common.h"
-
-#define FNM_NOMATCH		1		/* Match failed. */
-#define FNM_NOSYS		2		/* Function not supported (unused). */
-#define	FNM_NORES		3		/* Out of resources */
-
-#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