Line data    Source code

       1             : /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
       2             : 
       3             : #pragma once
       4             : 
       5             : #include <inttypes.h>
       6             : #include <sys/types.h>
       7             : 
       8             : #include "macro.h"
       9             : 
      10             : uint32_t jenkins_hashword(const uint32_t *k, size_t length, uint32_t initval) _pure_;
      11             : void jenkins_hashword2(const uint32_t *k, size_t length, uint32_t *pc, uint32_t *pb);
      12             : 
      13             : uint32_t jenkins_hashlittle(const void *key, size_t length, uint32_t initval) _pure_;
      14             : void jenkins_hashlittle2(const void *key, size_t length, uint32_t *pc, uint32_t *pb);
      15             : 
      16             : uint32_t jenkins_hashbig(const void *key, size_t length, uint32_t initval) _pure_;
      17             : 
      18      170724 : static inline uint64_t hash64(const void *data, size_t length) {
      19      170724 :         uint32_t a = 0, b = 0;
      20             : 
      21      170724 :         jenkins_hashlittle2(data, length, &a, &b);
      22             : 
      23      170724 :         return ((uint64_t) a << 32ULL) | (uint64_t) b;
      24             : }