20b0acfacd
Let's prefix this with "jenkins_" since it wraps the jenkins hash. We want to add support for other hash functions to journald soon, hence better be clear with what this is. In particular as all other symbols defined by lookup3.h actually are prefixed "jenkins_".
23 lines
724 B
C
23 lines
724 B
C
#pragma once
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#include <inttypes.h>
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#include <sys/types.h>
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#include "macro.h"
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uint32_t jenkins_hashword(const uint32_t *k, size_t length, uint32_t initval) _pure_;
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void jenkins_hashword2(const uint32_t *k, size_t length, uint32_t *pc, uint32_t *pb);
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uint32_t jenkins_hashlittle(const void *key, size_t length, uint32_t initval) _pure_;
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void jenkins_hashlittle2(const void *key, size_t length, uint32_t *pc, uint32_t *pb);
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uint32_t jenkins_hashbig(const void *key, size_t length, uint32_t initval) _pure_;
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static inline uint64_t jenkins_hash64(const void *data, size_t length) {
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uint32_t a = 0, b = 0;
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jenkins_hashlittle2(data, length, &a, &b);
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return ((uint64_t) a << 32ULL) | (uint64_t) b;
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}
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