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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@551 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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matz
parent
dfb65954e6
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29a7a36d06
9 changed files with 228 additions and 282 deletions
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/*
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* Copyright (c) 1989, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Guido van Rossum.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "@(#)fnmatch.c 8.2 (Berkeley) 4/16/94";
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#endif /* LIBC_SCCS and not lint */
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/*
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* Function fnmatch() as specified in POSIX 1003.2-1992, section B.6.
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* Compares a filename or pathname to a pattern.
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*/
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#include "missing/fnmatch.h"
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#include <string.h>
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#define EOS '\0'
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static char *rangematch();
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int
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fnmatch(pattern, string, flags)
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char *pattern;
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char *string;
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int flags;
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{
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char *stringstart;
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char c, test;
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for (stringstart = string;;) {
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switch (c = *pattern++) {
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case EOS:
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return (*string == EOS ? 0 : FNM_NOMATCH);
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case '?':
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if (*string == EOS) {
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return (FNM_NOMATCH);
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}
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if (*string == '/' && (flags & FNM_PATHNAME)) {
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return (FNM_NOMATCH);
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}
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if (*string == '.' && (flags & FNM_PERIOD) &&
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(string == stringstart ||
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((flags & FNM_PATHNAME) && *(string - 1) == '/'))) {
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return (FNM_NOMATCH);
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}
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++string;
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break;
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case '*':
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c = *pattern;
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/* Collapse multiple stars. */
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while (c == '*') {
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c = *++pattern;
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}
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if (*string == '.' && (flags & FNM_PERIOD) &&
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(string == stringstart ||
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((flags & FNM_PATHNAME) && *(string - 1) == '/'))) {
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return (FNM_NOMATCH);
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}
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/* Optimize for pattern with * at end or before /. */
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if (c == EOS) {
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if (flags & FNM_PATHNAME) {
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return (strchr(string, '/') == NULL ? 0 : FNM_NOMATCH);
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}
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else {
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return (0);
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}
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}
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else if (c == '/' && flags & FNM_PATHNAME) {
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if ((string = strchr(string, '/')) == NULL) {
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return (FNM_NOMATCH);
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}
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break;
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}
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/* General case, use recursion. */
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while ((test = *string) != EOS) {
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if (!fnmatch(pattern, string, flags & ~FNM_PERIOD)) {
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return (0);
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}
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if (test == '/' && flags & FNM_PATHNAME) {
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break;
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}
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++string;
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}
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return (FNM_NOMATCH);
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case '[':
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if (*string == EOS) {
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return (FNM_NOMATCH);
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}
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if (*string == '/' && flags & FNM_PATHNAME) {
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return (FNM_NOMATCH);
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}
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if (*string == '.' && (flags & FNM_PERIOD) &&
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(string == stringstart ||
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((flags & FNM_PATHNAME) && *(string - 1) == '/'))) {
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return (FNM_NOMATCH);
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}
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if ((pattern = rangematch(pattern, *string, flags)) == NULL) {
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return (FNM_NOMATCH);
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}
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++string;
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break;
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case '\\':
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if (!(flags & FNM_NOESCAPE)) {
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if ((c = *pattern++) == EOS) {
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c = '\\';
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--pattern;
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}
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}
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/* FALLTHROUGH */
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default:
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if (c != *string) {
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return (FNM_NOMATCH);
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}
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string++;
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break;
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}
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/* NOTREACHED */
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}
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}
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static char*
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rangematch(pattern, test, flags)
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char *pattern;
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int test, flags;
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{
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int negate, ok;
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char c, c2;
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/*
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* A bracket expression starting with an unquoted circumflex
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* character produces unspecified results (IEEE 1003.2-1992,
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* 3.13.2). This implementation treats it like '!', for
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* consistency with the regular expression syntax.
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* J.T. Conklin (conklin@ngai.kaleida.com)
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*/
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if ((negate = (*pattern == '!' || *pattern == '^'))) {
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++pattern;
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}
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for (ok = 0; (c = *pattern++) != ']';) {
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if (c == '\\' && !(flags & FNM_NOESCAPE)) {
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c = *pattern++;
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}
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if (c == EOS) {
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return (NULL);
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}
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if (*pattern == '-' && (c2 = *(pattern + 1)) != EOS && c2 != ']') {
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pattern += 2;
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if (c2 == '\\' && !(flags & FNM_NOESCAPE)) {
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c2 = *pattern++;
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}
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if (c2 == EOS) {
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return (NULL);
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}
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if (c <= test && test <= c2) {
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ok = 1;
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}
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}
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else if (c == test) {
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ok = 1;
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}
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}
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return (ok == negate ? NULL : pattern);
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}
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@ -1,57 +0,0 @@
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/*-
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)fnmatch.h 8.1 (Berkeley) 6/2/93
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*/
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/* This file has been modified by matz@netlab.co.jp */
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#ifndef _FNMATCH_H_
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#define _FNMATCH_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define FNM_NOMATCH 1 /* Match failed. */
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#define FNM_NOESCAPE 0x01 /* Disable backslash escaping. */
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#define FNM_PATHNAME 0x02 /* Slash must be matched by slash. */
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#define FNM_PERIOD 0x04 /* Period must be matched by period. */
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int fnmatch();
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#ifdef __cplusplus
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}
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#endif
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#endif /* !_FNMATCH_H_ */
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