Sha256: 0be14b9ad1c5dcbdf5a7658ab85d62861b2019d937b048e4b795487c36559dbd
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Size: 1.34 KB
Versions: 28
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Stored size: 1.34 KB
Contents
/*
* twemproxy - A fast and lightweight proxy for memcached protocol.
* Copyright (C) 2011 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* HashKit
* Copyright (C) 2009 Brian Aker
* All rights reserved.
*
* Use and distribution licensed under the BSD license. See
* the COPYING file in the parent directory for full text.
*/
/*
* This has is Jenkin's "One at A time Hash".
* http://en.wikipedia.org/wiki/Jenkins_hash_function
*/
#include <nc_core.h>
uint32_t
hash_one_at_a_time(const char *key, size_t key_length)
{
const char *ptr = key;
uint32_t value = 0;
while (key_length--) {
uint32_t val = (uint32_t) *ptr++;
value += val;
value += (value << 10);
value ^= (value >> 6);
}
value += (value << 3);
value ^= (value >> 11);
value += (value << 15);
return value;
}
Version data entries
28 entries across 28 versions & 1 rubygems