Move apr_fnmatch.c from lib/apr/lib to lib/apr/strings. Just the next move

to clean out the lib/apr/lib directory.


git-svn-id: http://svn.apache.org/repos/asf/apr/apr/trunk@60399 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 243 insertions, 0 deletions

diff --git a/strings/apr_fnmatch.c b/strings/apr_fnmatch.c
new file mode 100644
index 000000000..b8449ef37
--- /dev/null
+++ b/strings/apr_fnmatch.c
@@ -0,0 +1,243 @@
+/*
+ * 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.
+ */
+
+#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.
+ */
+#ifndef WIN32
+#include "apr_private.h"
+#endif
+#include "apr_fnmatch.h"
+#include "apr_lib.h"
+#include <string.h>
+#ifdef HAVE_CTYPE_H
+# include <ctype.h>
+#endif
+
+#define	EOS	'\0'
+
+static const char *rangematch(const char *, int, int);
+
+APR_EXPORT(ap_status_t) ap_fnmatch(const char *pattern, const char *string, int flags)
+{
+    const char *stringstart;
+    char c, test;
+
+    for (stringstart = string;;) {
+	switch (c = *pattern++) {
+	case EOS:
+	    return (*string == EOS ? APR_SUCCESS : 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 ? APR_SUCCESS : FNM_NOMATCH);
+		}
+		else {
+		    return (APR_SUCCESS);
+		}
+	    }
+	    else if (c == '/' && flags & FNM_PATHNAME) {
+	        if ((string = strchr(string, '/')) == NULL) {
+		    return (FNM_NOMATCH);
+		}
+		break;
+	    }
+
+	    /* General case, use recursion. */
+	    while ((test = *string) != EOS) {
+	        if (!ap_fnmatch(pattern, string, flags & ~FNM_PERIOD)) {
+		    return (APR_SUCCESS);
+		}
+		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);
+	    }
+	    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 (flags & FNM_CASE_BLIND) {
+	        if (ap_tolower(c) != ap_tolower(*string)) {
+		    return (FNM_NOMATCH);
+		}
+	    }
+	    else if (c != *string) {
+	        return (FNM_NOMATCH);
+	    }
+	    string++;
+	    break;
+	}
+    /* NOTREACHED */
+    }
+}
+
+static const char *rangematch(const char *pattern, int 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;
+    }
+
+    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)
+		|| ((flags & FNM_CASE_BLIND)
+		    && ((ap_tolower(c) <= ap_tolower(test))
+			&& (ap_tolower(test) <= ap_tolower(c2))))) {
+		ok = 1;
+	    }
+	}
+	else if ((c == test)
+		 || ((flags & FNM_CASE_BLIND)
+		     && (ap_tolower(c) == ap_tolower(test)))) {
+	    ok = 1;
+	}
+    }
+    return (ok == negate ? NULL : pattern);
+}
+
+
+/* This function is an Apache addition */
+/* return non-zero if pattern has any glob chars in it */
+APR_EXPORT(int) ap_is_fnmatch(const char *pattern)
+{
+    int nesting;
+
+    nesting = 0;
+    while (*pattern) {
+	switch (*pattern) {
+	case '?':
+	case '*':
+	    return 1;
+
+	case '\\':
+	    if (*pattern++ == '\0') {
+		return 0;
+	    }
+	    break;
+
+	case '[':	/* '[' is only a glob if it has a matching ']' */
+	    ++nesting;
+	    break;
+
+	case ']':
+	    if (nesting) {
+		return 1;
+	    }
+	    break;
+	}
+	++pattern;
+    }
+    return 0;
+}