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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 libtextclassifier2 {
25 
26 uint32 Hash32(const char *data, size_t n, uint32 seed);
27 
Hash32WithDefaultSeed(const char * data,size_t n)28 static inline uint32 Hash32WithDefaultSeed(const char *data, size_t n) {
29   return Hash32(data, n, 0xBEEF);
30 }
31 
Hash32WithDefaultSeed(const std::string & input)32 static inline uint32 Hash32WithDefaultSeed(const std::string &input) {
33   return Hash32WithDefaultSeed(input.data(), input.size());
34 }
35 
36 }  // namespace libtextclassifier2
37 
38 #endif  // LIBTEXTCLASSIFIER_UTIL_HASH_HASH_H_
39