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87d2c1ff LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
c2f1db8f | 3 | #pragma once |
87d2c1ff LP |
4 | |
5 | #include <inttypes.h> | |
6 | #include <sys/types.h> | |
7 | ||
44a6b1b6 ZJS |
8 | #include "macro.h" |
9 | ||
10 | uint32_t jenkins_hashword(const uint32_t *k, size_t length, uint32_t initval) _pure_; | |
87d2c1ff LP |
11 | void jenkins_hashword2(const uint32_t *k, size_t length, uint32_t *pc, uint32_t *pb); |
12 | ||
44a6b1b6 | 13 | uint32_t jenkins_hashlittle(const void *key, size_t length, uint32_t initval) _pure_; |
87d2c1ff LP |
14 | void jenkins_hashlittle2(const void *key, size_t length, uint32_t *pc, uint32_t *pb); |
15 | ||
44a6b1b6 | 16 | uint32_t jenkins_hashbig(const void *key, size_t length, uint32_t initval) _pure_; |
87d2c1ff LP |
17 | |
18 | static inline uint64_t hash64(const void *data, size_t length) { | |
19 | uint32_t a = 0, b = 0; | |
20 | ||
21 | jenkins_hashlittle2(data, length, &a, &b); | |
22 | ||
23 | return ((uint64_t) a << 32ULL) | (uint64_t) b; | |
24 | } |