1 files changed, 40 insertions, 16 deletions

diff --git a/release/src/router/busybox/archival/libunarchive/find_list_entry.c b/release/src/router/busybox/archival/libunarchive/find_list_entry.c
index 7ed9e332..bc7bc647 100644
--- a/release/src/router/busybox/archival/libunarchive/find_list_entry.c
+++ b/release/src/router/busybox/archival/libunarchive/find_list_entry.c
@@ -1,30 +1,54 @@
+/* vi: set sw=4 ts=4: */
 /*
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
+ * Copyright (C) 2002 by Glenn McGrath
  *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
 
 #include <fnmatch.h>
-#include <stdlib.h>
+#include "libbb.h"
 #include "unarchive.h"
 
-extern const llist_t *find_list_entry(const llist_t *list, const char *filename)
+/* Find a string in a shell pattern list */
+const llist_t* FAST_FUNC find_list_entry(const llist_t *list, const char *filename)
 {
 	while (list) {
 		if (fnmatch(list->data, filename, 0) == 0) {
-			return(list);
+			return list;
+		}
+		list = list->link;
+	}
+	return NULL;
+}
+
+/* Same, but compares only path components present in pattern
+ * (extra trailing path components in filename are assumed to match)
+ */
+const llist_t* FAST_FUNC find_list_entry2(const llist_t *list, const char *filename)
+{
+	char buf[PATH_MAX];
+	int pattern_slash_cnt;
+	const char *c;
+	char *d;
+
+	while (list) {
+		c = list->data;
+		pattern_slash_cnt = 0;
+		while (*c)
+			if (*c++ == '/') pattern_slash_cnt++;
+		c = filename;
+		d = buf;
+		/* paranoia is better than buffer overflows */
+		while (*c && d != buf + sizeof(buf)-1) {
+			if (*c == '/' && --pattern_slash_cnt < 0)
+				break;
+			*d++ = *c++;
+		}
+		*d = '\0';
+		if (fnmatch(list->data, buf, 0) == 0) {
+			return list;
 		}
 		list = list->link;
 	}
-	return(NULL);
+	return NULL;
 }