diff options
author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-09 03:13:06 -0400 |
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committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-09 03:13:06 -0400 |
commit | 8231d17032fdd535e58c5aead8eae3f6cbc048b5 (patch) | |
tree | 799df8c0f203b8369b602155d3233bc9661772db /src/libsystemd/libsystemd-journal-internal/lookup3.h | |
parent | c533334ea105130b806b2a89512b3ff131ffc3bc (diff) |
./move.sh
Diffstat (limited to 'src/libsystemd/libsystemd-journal-internal/lookup3.h')
-rw-r--r-- | src/libsystemd/libsystemd-journal-internal/lookup3.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/libsystemd/libsystemd-journal-internal/lookup3.h b/src/libsystemd/libsystemd-journal-internal/lookup3.h new file mode 100644 index 0000000000..787921ffbf --- /dev/null +++ b/src/libsystemd/libsystemd-journal-internal/lookup3.h @@ -0,0 +1,22 @@ +#pragma once + +#include <inttypes.h> +#include <sys/types.h> + +#include "macro.h" + +uint32_t jenkins_hashword(const uint32_t *k, size_t length, uint32_t initval) _pure_; +void jenkins_hashword2(const uint32_t *k, size_t length, uint32_t *pc, uint32_t *pb); + +uint32_t jenkins_hashlittle(const void *key, size_t length, uint32_t initval) _pure_; +void jenkins_hashlittle2(const void *key, size_t length, uint32_t *pc, uint32_t *pb); + +uint32_t jenkins_hashbig(const void *key, size_t length, uint32_t initval) _pure_; + +static inline uint64_t hash64(const void *data, size_t length) { + uint32_t a = 0, b = 0; + + jenkins_hashlittle2(data, length, &a, &b); + + return ((uint64_t) a << 32ULL) | (uint64_t) b; +} |