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 #ifndef LIBTEXTCLASSIFIER_UTIL_HASH_HASH_H_ 18 #define LIBTEXTCLASSIFIER_UTIL_HASH_HASH_H_ 19 20 #include <string> 21 22 #include "util/base/integral_types.h" 23 24 namespace libtextclassifier { 25 26 uint32 Hash32(const char *data, size_t n, uint32 seed); 27 28 static inline uint32 Hash32WithDefaultSeed(const char *data, size_t n) { 29 return Hash32(data, n, 0xBEEF); 30 } 31 32 static inline uint32 Hash32WithDefaultSeed(const std::string &input) { 33 return Hash32WithDefaultSeed(input.data(), input.size()); 34 } 35 36 } // namespace libtextclassifier 37 38 #endif // LIBTEXTCLASSIFIER_UTIL_HASH_HASH_H_ 39