Line data    Source code

       1             : #pragma once
       2             : 
       3             : #include <inttypes.h>
       4             : #include <sys/types.h>
       5             : 
       6             : #include "macro.h"
       7             : 
       8             : uint32_t jenkins_hashword(const uint32_t *k, size_t length, uint32_t initval) _pure_;
       9             : void jenkins_hashword2(const uint32_t *k, size_t length, uint32_t *pc, uint32_t *pb);
      10             : 
      11             : uint32_t jenkins_hashlittle(const void *key, size_t length, uint32_t initval) _pure_;
      12             : void jenkins_hashlittle2(const void *key, size_t length, uint32_t *pc, uint32_t *pb);
      13             : 
      14             : uint32_t jenkins_hashbig(const void *key, size_t length, uint32_t initval) _pure_;
      15             : 
      16      260407 : static inline uint64_t hash64(const void *data, size_t length) {
      17      260407 :         uint32_t a = 0, b = 0;
      18             : 
      19      260407 :         jenkins_hashlittle2(data, length, &a, &b);
      20             : 
      21      260407 :         return ((uint64_t) a << 32ULL) | (uint64_t) b;
      22             : }