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/*
* Copyright (C) 2017 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.
*/
#pragma once
#include <string>
namespace android {
namespace os {
namespace statsd {
// Uses murmur2 hashing algorithm.
extern uint32_t Hash32(const char *data, size_t n, uint32_t seed);
extern uint64_t Hash64(const char* data, size_t n, uint64_t seed);
inline uint32_t Hash32(const char *data, size_t n) {
return Hash32(data, n, 0xBEEF);
}
inline uint32_t Hash32(const std::string &input) {
return Hash32(input.data(), input.size());
}
inline uint64_t Hash64(const char* data, size_t n) {
return Hash64(data, n, 0xDECAFCAFFE);
}
inline uint64_t Hash64(const std::string& str) {
return Hash64(str.data(), str.size());
}
} // namespace statsd
} // namespace os
} // namespace android
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