diff -r 0998a43cc155 -r ca99a81745fe src/FileSystem.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/FileSystem.cpp	Tue Jan 01 15:34:07 2013 -0800
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2012 David Anderson
+ *
+ * This file is part of SourcePawn.
+ *
+ * SourcePawn 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 3 of the License, or (at your option)
+ * any later version.
+ * 
+ * SourcePawn 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
+ * SourcePawn. If not, see http://www.gnu.org/licenses/.
+ */
+#include <string.h>
+#include "Zone.h"
+#include "FileSystem.h"
+
+bool
+ke::JoinPaths(Zone *zone, AutoFree<char> &result, const char *base, const char *name)
+{
+    const char *sep = OS::PathSeparator();
+
+    size_t baselen = strlen(base);
+    size_t namelen = strlen(name);
+    size_t seplen = strlen(sep);
+
+    char *ptr = (char *)zone->malloc(baselen + seplen + namelen + 1);
+    if (!ptr)
+        return false;
+
+    strcpy(ptr, base);
+    strcpy(ptr + baselen, sep);
+    strcpy(ptr + baselen + seplen, name);
+
+    result = ptr;
+    return true;
+}