Mercurial > hg > nginx-vendor-current
view src/core/ngx_murmurhash.c @ 638:f5a8cf31a203 NGINX_1_1_3
nginx 1.1.3
*) Feature: the module ngx_http_mp4_module.
*) Bugfix: in Linux AIO combined with open_file_cache.
*) Bugfix: open_file_cache did not update file info on retest if file
was not atomically changed.
*) Bugfix: nginx could not be built on MacOSX 10.7.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Wed, 14 Sep 2011 00:00:00 +0400 |
parents | 8dc007eddbcf |
children |
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/* * Copyright (C) Austin Appleby */ #include <ngx_config.h> #include <ngx_core.h> uint32_t ngx_murmur_hash2(u_char *data, size_t len) { uint32_t h, k; h = 0 ^ len; while (len >= 4) { k = data[0]; k |= data[1] << 8; k |= data[2] << 16; k |= data[3] << 24; k *= 0x5bd1e995; k ^= k >> 24; k *= 0x5bd1e995; h *= 0x5bd1e995; h ^= k; data += 4; len -= 4; } switch (len) { case 3: h ^= data[2] << 16; case 2: h ^= data[1] << 8; case 1: h ^= data[0]; h *= 0x5bd1e995; } h ^= h >> 13; h *= 0x5bd1e995; h ^= h >> 15; return h; }