Mercurial > hg > nginx-vendor-current
view src/core/ngx_crc32.h @ 254:f3ec44f4a53b NGINX_0_4_12
nginx 0.4.12
*) Feature: the ngx_http_perl_module supports the $r->variable method.
*) Bugfix: if a big static file was included using SSI in a response,
then the response may be transferred incomplete.
*) Bugfix: nginx did not omit the "#fragment" part in URI.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Tue, 31 Oct 2006 00:00:00 +0300 |
parents | fbf2b2f66c9f |
children | 6eb1e38f0f1f |
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/* * Copyright (C) Igor Sysoev */ #ifndef _NGX_CRC32_H_INCLUDED_ #define _NGX_CRC32_H_INCLUDED_ #include <ngx_config.h> #include <ngx_core.h> extern uint32_t *ngx_crc32_table_short; extern uint32_t ngx_crc32_table256[]; static ngx_inline uint32_t ngx_crc32_short(u_char *p, size_t len) { u_char c; uint32_t crc; crc = 0xffffffff; while (len--) { c = *p++; crc = ngx_crc32_table_short[(crc ^ (c & 0xf)) & 0xf] ^ (crc >> 4); crc = ngx_crc32_table_short[(crc ^ (c >> 4)) & 0xf] ^ (crc >> 4); } return crc ^ 0xffffffff; } static ngx_inline uint32_t ngx_crc32_long(u_char *p, size_t len) { uint32_t crc; crc = 0xffffffff; while (len--) { crc = ngx_crc32_table256[(crc ^ *p++) & 0xff] ^ (crc >> 8); } return crc ^ 0xffffffff; } ngx_int_t ngx_crc32_init(ngx_pool_t *pool); #endif /* _NGX_CRC32_H_INCLUDED_ */