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- /*
- * Copyright (c) 1989 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.
- */
-
- /*
- * Function fnmatch() as proposed in Posix 1003.2 B.6 (rev. 9).
- * Compares a filename or pathname to a pattern.
- */
-
- #include "tweak.h"
- #ifdef HAVE_UNISTD_H
- #ifndef __hpux
- #include <unistd.h>
- #endif
- #endif
- #include "my-string.h"
-
- #define EOS '\0'
-
- static char *rangematch PROTO2(register char *, pattern, register char, test)
- {
- register char c, c2;
- int negate, ok;
-
- if (negate = (*pattern == '!')) ++pattern;
-
- /*
- * TO DO: quoting
- */
-
- for (ok = 0; (c = *pattern++) != ']';) {
- if (c == EOS) return(NULL); /* illegal pattern */
- if (*pattern == '-' && (c2 = pattern[1]) != EOS && c2 != ']') {
- if (c <= test && test <= c2) ok = 1;
- pattern += 2;
- } else if (c == test) ok = 1;
- }
- return(ok == negate ? NULL : pattern);
- }
-
- int fnmatch PROTO2(register char *, pattern, register char *, string)
- {
- register char c;
- char test;
-
- for (;;)
- switch (c = *pattern++) {
- case EOS:
- return(*string == EOS);
- case '?':
- if ((test = *string++) == EOS) return(0);
- break;
- case '*':
- c = *pattern;
- /* collapse multiple stars */
- while (c == '*') c = *++pattern;
- /* optimize for pattern with * at end or before / */
- if (c == EOS) return(1);
-
- /* general case, use recursion */
- while ((test = *string) != EOS) {
- if (fnmatch(pattern, string)) return(1);
- ++string;
- }
- return(0);
- case '[':
- if ((test = *string++) == EOS) return(0);
- if ((pattern = rangematch(pattern, test)) == NULL) return(0);
- break;
- case '\\':
- if ((c = *pattern++) == EOS) {
- c = '\\';
- --pattern;
- }
- if (c != *string++) return(0);
- break;
- default:
- if (c != *string++) return(0);
- break;
- }
- }
-