Diff: fnmatch.c

Revision:

35:1a8c5fce8895

Parent:

34:afe994ca0e49

--- a/fnmatch.c	Fri Dec 28 20:34:58 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,198 +0,0 @@
-/*
- * 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. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *  This product includes software developed by the University of
- *  California, Berkeley and its contributors.
- * 4. 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.
- *
- * From FreeBSD fnmatch.c 1.11
- * $Id: fnmatch.c,v 1.3 1997/08/19 02:34:30 jdp Exp $
- */
-
-#if defined(LIBC_SCCS) && !defined(lint)
-static char sccsid[] = "@(#)fnmatch.c   8.2 (Berkeley) 4/16/94";
-#endif /* LIBC_SCCS and not lint */
-
-/*
- * Function fnmatch() as specified in POSIX 1003.2-1992, section B.6.
- * Compares a filename or pathname to a pattern.
- */
-
-#include <ctype.h>
-#include <string.h>
-#include <stdio.h>
-
-#include "fnmatch.h"
-
-#define EOS '\0'
-
-static const char *rangematch(const char *, char, int);
-
-int fnmatch(const char *pattern, const char *string, int flags)
-{
-    const char *stringstart;
-    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 ((pattern =
-                rangematch(pattern, *string, flags)) == NULL)
-                return (FNM_NOMATCH);
-            ++string;
-            break;
-        case '\\':
-            if (!(flags & FNM_NOESCAPE)) {
-                if ((c = *pattern++) == EOS) {
-                    c = '\\';
-                    --pattern;
-                }
-            }
-            /* FALLTHROUGH */
-        default:
-            if (c == *string)
-                ;
-            else if ((flags & FNM_CASEFOLD) &&
-                 (tolower((unsigned char)c) ==
-                  tolower((unsigned char)*string)))
-                ;
-            else if ((flags & FNM_PREFIX_DIRS) && *string == EOS &&
-                 ((c == '/' && string != stringstart) ||
-                 (string == stringstart+1 && *stringstart == '/')))
-                return (0);
-            else
-                return (FNM_NOMATCH);
-            string++;
-            break;
-        }
-    /* NOTREACHED */
-}
-
-static const char *
-rangematch(const char *pattern, char test, int flags)
-{
-    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 = tolower((unsigned char)test);
-
-    for (ok = 0; (c = *pattern++) != ']';) {
-        if (c == '\\' && !(flags & FNM_NOESCAPE))
-            c = *pattern++;
-        if (c == EOS)
-            return (NULL);
-
-        if (flags & FNM_CASEFOLD)
-            c = tolower((unsigned char)c);
-
-        if (*pattern == '-'
-            && (c2 = *(pattern+1)) != EOS && c2 != ']') {
-            pattern += 2;
-            if (c2 == '\\' && !(flags & FNM_NOESCAPE))
-                c2 = *pattern++;
-            if (c2 == EOS)
-                return (NULL);
-
-            if (flags & FNM_CASEFOLD)
-                c2 = tolower((unsigned char)c2);
-
-            if ((unsigned char)c <= (unsigned char)test &&
-                (unsigned char)test <= (unsigned char)c2)
-                ok = 1;
-        } else if (c == test)
-            ok = 1;
-    }
-    return (ok == negate ? NULL : pattern);
-}
\ No newline at end of file