mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-24 08:32:02 +00:00
50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
//-----------------------------------------------------------------------------
|
|
// MurmurHash2 was written by Austin Appleby, and is placed in the public
|
|
// domain. The author hereby disclaims copyright to this source code.
|
|
|
|
#ifndef MURMURHASH2_H
|
|
#define MURMURHASH2_H
|
|
|
|
#include <stddef.h>
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Platform-specific functions and macros
|
|
|
|
// Microsoft Visual Studio
|
|
|
|
#if defined(_MSC_VER) && (_MSC_VER < 1600)
|
|
|
|
typedef unsigned char uint8_t;
|
|
typedef unsigned int uint32_t;
|
|
typedef unsigned __int64 uint64_t;
|
|
|
|
// Other compilers
|
|
|
|
#else // defined(_MSC_VER)
|
|
|
|
#include <stdint.h>
|
|
|
|
#endif // !defined(_MSC_VER)
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
uint32_t MurmurHash2 ( const void * key, size_t len, uint32_t seed );
|
|
uint64_t MurmurHash64A ( const void * key, size_t len, uint64_t seed );
|
|
uint64_t MurmurHash64B ( const void * key, size_t len, uint64_t seed );
|
|
uint32_t MurmurHash2A ( const void * key, size_t len, uint32_t seed );
|
|
uint32_t MurmurHashNeutral2 ( const void * key, size_t len, uint32_t seed );
|
|
uint32_t MurmurHashAligned2 ( const void * key, size_t len, uint32_t seed );
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#endif // _MURMURHASH2_H_
|
|
|