Packages

rocksdb

0.26.0
3.1.2 3.1.1 3.1.0 3.0.0 2.6.2 2.6.1 retired 2.6.0 retired 2.5.0 2.4.1 2.4.0 2.3.0 2.2.0 2.1.0 2.0.0 1.9.0 1.8.0 1.7.0 1.6.0 1.5.1 1.5.0 1.4.0 1.3.2 1.3.1 1.3.0 1.2.0 1.1.1 1.1.0 1.0.0 0.26.2 0.26.1 0.26.0 0.25.0 0.24.0 0.23.3 0.23.2 0.23.1 0.23.0 0.22.0 0.21.0 0.20.1 0.20.0 0.19.0 0.18.0 0.17.0 0.16.0 0.15.0 0.14.0 0.13.1 0.13.0 0.12.0 0.11.0 0.10.0 0.9.1 0.9.0 0.8.2 0.8.1 0.8.0 0.7.1 0.7.0 0.6.4 0.6.3 0.6.2 0.6.1 0.6.0

RocksDB for Erlang

HexDocs

Current section

Files

Jump to
Readme
64 Versions
0 Dependencies
Dependants
Files
Activity
rocksdb deps rocksdb util murmurhash.h
Raw

deps/rocksdb/util/murmurhash.h 

//  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.

//  This source code is licensed under both the GPLv2 (found in the

//  COPYING file in the root directory) and Apache 2.0 License

//  (found in the LICENSE.Apache file in the root directory).

//

/*

  Murmurhash from http://sites.google.com/site/murmurhash/



  All code is released to the public domain. For business purposes, Murmurhash

  is under the MIT license.

*/

#pragma once

#include <stdint.h>

#include "rocksdb/slice.h"



#if defined(__x86_64__)

#define MURMUR_HASH MurmurHash64A

uint64_t MurmurHash64A ( const void * key, int len, unsigned int seed );

#define MurmurHash MurmurHash64A

typedef uint64_t murmur_t;



#elif defined(__i386__)

#define MURMUR_HASH MurmurHash2

unsigned int MurmurHash2 ( const void * key, int len, unsigned int seed );

#define MurmurHash MurmurHash2

typedef unsigned int murmur_t;



#else

#define MURMUR_HASH MurmurHashNeutral2

unsigned int MurmurHashNeutral2 ( const void * key, int len, unsigned int seed );

#define MurmurHash MurmurHashNeutral2

typedef unsigned int murmur_t;

#endif



// Allow slice to be hashable by murmur hash.

namespace rocksdb {

struct murmur_hash {

  size_t operator()(const Slice& slice) const {

    return MurmurHash(slice.data(), static_cast<int>(slice.size()), 0);

  }

};

}  // rocksdb