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MEMCACHED_GENERATE_HASH(3) libmemcached MEMCACHED_GENERATE_HASH(3)

memcached_generate_hash - Generating hash values directly
Hash a key value

#include <libmemcached/memcached.h>
memcached_hash_t

uint32_t memcached_generate_hash_value(const char *key, size_t  key_length, memcached_hash_t hash_algorithm)

uint32_t memcached_generate_hash(memcached_st *ptr, const char  *key, size_t key_length)

MEMCACHED_HASH_DEFAULT

MEMCACHED_HASH_MD5

MEMCACHED_HASH_CRC

MEMCACHED_HASH_FNV1_64

MEMCACHED_HASH_FNV1A_64

MEMCACHED_HASH_FNV1_32

MEMCACHED_HASH_FNV1A_32

MEMCACHED_HASH_JENKINS

MEMCACHED_HASH_MURMUR

MEMCACHED_HASH_HSIEH

MEMCACHED_HASH_MURMUR3

Compile and link with -lmemcachedutil -lmemcached

memcached_generate_hash_value() allows you to hash a key using one of the hash functions defined in the library. This method is provided for the convenience of higher-level language bindings and is not necessary for normal memcache operations.
The allowed hash algorithm constants are listed in the manpage for memcached_behavior_set().
memcached_generate_hash() takes a memcached_st struture and produces the hash value that would have been generated based on the defaults of memcached_st.
As of version 0.36 all hash methods have been placed into the library libhashkit(3) which is linked with libmemcached(3). For more information please see its documentation.

A 32-bit integer which is the result of hashing the given key. For 64-bit hash algorithms, only the least-significant 32 bits are returned.

To find out more information please check: http://libmemcached.org/

Brian Aker, < brian@tangent.org>

memcached(1) libmemcached(3) memcached_strerror(3)

Brian Aker

2011-2013, Brian Aker DataDifferential, http://datadifferential.com/
February 9, 2014 1.0.18

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