Mercurial > hg > nginx
view src/core/ngx_murmurhash.c @ 9002:740e8b99519d quic
QUIC: improved size calculation in ngx_quic_write_chain().
Previously, size was calculated based on the number of input bytes processed
by the function. Now only the copied bytes are considered. This prevents
overlapping buffers from contributing twice to the overall written size.
author | Roman Arutyunyan <arut@nginx.com> |
---|---|
date | Thu, 03 Feb 2022 21:29:05 +0300 |
parents | f38647c651a8 |
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; /* fall through */ case 2: h ^= data[1] << 8; /* fall through */ case 1: h ^= data[0]; h *= 0x5bd1e995; } h ^= h >> 13; h *= 0x5bd1e995; h ^= h >> 15; return h; }