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- /*
- * Copyright (c) 1989, 1993
- * 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.
- */
-
- #if defined(LIBC_SCCS) && !defined(lint)
- /* from: static char sccsid[] = "@(#)fnmatch.c 8.1 (Berkeley) 6/4/93"; */
- static char *rcsid = "$Id: fnmatch.c,v 1.5 1997/03/03 09:12:24 sob Exp $";
- #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.
- */
- #ifdef BSD
- #include <strings.h>
- #else
- #include <string.h>
- #endif
-
- #define FNM_NOMATCH 1 /* Match failed. */
-
- #ifndef FNM_PATHNAME
- #define FNM_PATHNAME 0x01 /* Slash must be matched by slash. */
- #endif
- #ifndef FNM_NOESCAPE
- #define FNM_NOESCAPE 0x02 /* Disable backslash escaping. */
- #endif
- #ifndef FNM_PERIOD
- #define FNM_PERIOD 0x04 /* Period must be matched by period. */
- #endif
-
-
- #define EOS '\0'
-
- #ifdef __STDC__
- static char *rangematch(char *pattern, int test, int flags)
- #else
- static char *
- rangematch(pattern, test, flags)
- register char *pattern;
- register int test;
- int flags;
- #endif
- {
- register char c, c2;
- int negate, ok;
-
- /* A bracket expression starting with an unquoted circumflex
- * character produces unspecified results (IEEE 1003.2-1992,
- * 3.13.2). I have chosen to treat it like '!', for
- * consistancy with regular expression syntax.
- */
- if (negate = (*pattern == '!' || *pattern == '^')) {
- pattern++;
- }
-
- for (ok = 0; (c = *pattern++) != ']';) {
- if (c == '\\' && !(flags & FNM_NOESCAPE)) {
- c = *pattern++;
- }
- if (c == EOS) {
- return (NULL);
- }
-
- if (*pattern == '-'
- && (c2 = *(pattern+1)) != EOS && c2 != ']') {
- pattern += 2;
- if (c2 == '\\' && !(flags & FNM_NOESCAPE)) {
- c2 = *pattern++;
- }
- if (c2 == EOS) {
- return (NULL);
- }
-
- if (c <= test && test <= c2) {
- ok = 1;
- }
- } else if (c == test) {
- ok = 1;
- }
- }
-
- return (ok == negate ? NULL : pattern);
- }
-
-
-
-
- #ifdef _STDC_
- int fnmatch(char *pattern, char *string, int flags)
- #else
- int
- fnmatch(pattern, string, flags)
- register char *pattern, *string;
- int flags;
- #endif
- {
- char *stringstart = string;
- register char c;
- char test;
-
- for (;;)
- switch (c = *pattern++) {
- case EOS:
- 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 (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++)
- return (FNM_NOMATCH);
- break;
- }
- /* NOTREACHED */
- }
-
-