Mercurial > hg > nginx-quic
view src/core/ngx_murmurhash.c @ 5334:03ff14058272
Added safety belt for the case of sending header twice.
The aforementioned situation is abnormal per se and as such it now forces
request termination with appropriate error message.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Tue, 30 Jul 2013 15:04:46 +0400 |
parents | 203eb026ec07 |
children | f38647c651a8 |
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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; }