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c49d1dd1 BP |
1 | /* |
2 | * Copyright (c) 2008, 2009, 2010, 2012 Nicira, 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 | #ifndef JHASH_H | |
18 | #define JHASH_H 1 | |
19 | ||
20 | #include <stdbool.h> | |
21 | #include <stddef.h> | |
22 | #include <stdint.h> | |
23 | #include <string.h> | |
24 | #include "util.h" | |
25 | ||
26 | #ifdef __cplusplus | |
27 | extern "C" { | |
28 | #endif | |
29 | ||
30 | /* This is the public domain lookup3 hash by Bob Jenkins from | |
31 | * http://burtleburtle.net/bob/c/lookup3.c, modified for style. | |
32 | * | |
33 | * Use the functions in hash.h instead if you can. These are here just for | |
34 | * places where we've exposed a hash function "on the wire" and don't want it | |
35 | * to change. */ | |
36 | ||
37 | uint32_t jhash_words(const uint32_t *, size_t n_word, uint32_t basis); | |
38 | uint32_t jhash_bytes(const void *, size_t n_bytes, uint32_t basis); | |
39 | ||
40 | #ifdef __cplusplus | |
41 | } | |
42 | #endif | |
43 | ||
44 | #endif /* jhash.h */ |