Mercurial > hg > nginx-vendor-current
view src/core/ngx_crc32.h @ 252:644510700914 NGINX_0_4_11
nginx 0.4.11
*) Feature: the POP3 proxy supports the AUTH LOGIN PLAIN and CRAM-MD5.
*) Feature: the ngx_http_perl_module supports the $r->allow_ranges
method.
*) Bugfix: if the APOP was enabled in the POP3 proxy, then the
USER/PASS commands might not work; bug appeared in 0.4.10.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Wed, 25 Oct 2006 00:00:00 +0400 |
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_ */