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-rw-r--r--include/utils/JenkinsHash.h48
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diff --git a/include/utils/JenkinsHash.h b/include/utils/JenkinsHash.h
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--- a/include/utils/JenkinsHash.h
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-/*
- * Copyright (C) 2012 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/* Implementation of Jenkins one-at-a-time hash function. These choices are
- * optimized for code size and portability, rather than raw speed. But speed
- * should still be quite good.
- **/
-
-#ifndef ANDROID_JENKINS_HASH_H
-#define ANDROID_JENKINS_HASH_H
-
-#include <utils/TypeHelpers.h>
-
-namespace android {
-
-/* The Jenkins hash of a sequence of 32 bit words A, B, C is:
- * Whiten(Mix(Mix(Mix(0, A), B), C)) */
-
-inline uint32_t JenkinsHashMix(uint32_t hash, uint32_t data) {
- hash += data;
- hash += (hash << 10);
- hash ^= (hash >> 6);
- return hash;
-}
-
-hash_t JenkinsHashWhiten(uint32_t hash);
-
-/* Helpful utility functions for hashing data in 32 bit chunks */
-uint32_t JenkinsHashMixBytes(uint32_t hash, const uint8_t* bytes, size_t size);
-
-uint32_t JenkinsHashMixShorts(uint32_t hash, const uint16_t* shorts, size_t size);
-
-}
-
-#endif // ANDROID_JENKINS_HASH_H