Mercurial > hg > nginx-quic
view src/core/ngx_crc32.h @ 1503:fa67e7914b70 stable-0.5
r1391, r1392, r1393 merge:
auth_http related changes:
*) stop configuration on error
*) allow "http://" in auth_http URL
*) test http_auth absence
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Sat, 22 Sep 2007 18:41:35 +0000 |
parents | 45df22906c12 |
children | 8c696afe46b3 |
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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(void); #endif /* _NGX_CRC32_H_INCLUDED_ */