1/* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#pragma once 18 19#include <string> 20 21namespace android { 22namespace os { 23namespace statsd { 24 25extern uint32_t Hash32(const char *data, size_t n, uint32_t seed); 26extern uint64_t Hash64(const char* data, size_t n, uint64_t seed); 27 28inline uint32_t Hash32(const char *data, size_t n) { 29 return Hash32(data, n, 0xBEEF); 30} 31 32inline uint32_t Hash32(const std::string &input) { 33 return Hash32(input.data(), input.size()); 34} 35 36inline uint64_t Hash64(const char* data, size_t n) { 37 return Hash64(data, n, 0xDECAFCAFFE); 38} 39 40inline uint64_t Hash64(const std::string& str) { 41 return Hash64(str.data(), str.size()); 42} 43 44} // namespace statsd 45} // namespace os 46} // namespace android 47