init

include/raknet/SuperFastHash.hpp

@@ -0,0 +1,27 @@
+/*
+ *  Copyright (c) 2014, Oculus VR, Inc.
+ *  All rights reserved.
+ *
+ *  This source code is licensed under the BSD-style license found in the
+ *  LICENSE file in the root directory of this source tree. An additional grant 
+ *  of patent rights can be found in the PATENTS file in the same directory.
+ *
+ */
+
+#ifndef __SUPER_FAST_HASH_H
+#define __SUPER_FAST_HASH_H
+
+#include <stdio.h>
+#include "NativeTypes.hpp"
+
+// From http://www.azillionmonkeys.com/qed/hash.html
+// Author of main code is Paul Hsieh 
+// I just added some convenience functions
+// Also note http://burtleburtle.net/bob/hash/doobs.html, which shows that this is 20% faster than the one on that page but has more collisions
+
+uint32_t SuperFastHash (const char * data, int length);
+uint32_t SuperFastHashIncremental (const char * data, int len, unsigned int lastHash );
+uint32_t SuperFastHashFile (const char * filename);
+uint32_t SuperFastHashFilePtr (FILE *fp);
+
+#endif