1 | /* |
2 | * Copyright 2011-present Facebook, Inc. |
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 <folly/external/farmhash/farmhash.h> |
20 | |
21 | namespace folly { |
22 | namespace hash { |
23 | namespace farmhash { |
24 | |
25 | // The values returned by Hash, Hash32, and Hash64 are only guaranteed to |
26 | // be the same within the same process. Fingerpring32 and Fingerprint64 |
27 | // are fixed algorithms that always give the same result. |
28 | |
29 | // std::size_t Hash(char const*, std::size_t) |
30 | using external::farmhash::Hash; |
31 | |
32 | // uint32_t Hash32(char const*, std::size_t) |
33 | using external::farmhash::Hash32; |
34 | |
35 | // uint64_t Hash64(char const*, std::size_t) |
36 | using external::farmhash::Hash64; |
37 | |
38 | // uint32_t Fingerprint32(char const*, std::size_t) |
39 | using external::farmhash::Fingerprint32; |
40 | |
41 | // uint64_t Fingerprint64(char const*, std::size_t) |
42 | using external::farmhash::Fingerprint64; |
43 | |
44 | } // namespace farmhash |
45 | } // namespace hash |
46 | } // namespace folly |
47 | |