Mercurial > hg > nginx-vendor-0-8
view src/core/ngx_crc.h @ 100:d6800bbe720e NGINX_0_2_4
nginx 0.2.4
*) Feature: the ngx_http_ssi_module supports "$var=text", "$var!=text",
"$var=/text/", and "$var!=/text/" expressions in the "if" command.
*) Bugfix: in proxying location without trailing slash; bug appeared in
0.1.44.
*) Bugfix: the segmentation fault may occurred if the "rtsig" method
was used; bug appeared in 0.2.0.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Mon, 03 Oct 2005 00:00:00 +0400 |
parents | 74b1868dd3cd |
children | acd2ec3541cb |
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/* * Copyright (C) Igor Sysoev */ #ifndef _NGX_CRC_H_INCLUDED_ #define _NGX_CRC_H_INCLUDED_ /* 32-bit crc16 */ static ngx_inline uint32_t ngx_crc(char *data, size_t len) { uint32_t sum; for (sum = 0; len; len--) { /* * gcc 2.95.2 x86 and icc 7.1.006 compile that operator * into the single "rol" opcode. * msvc 6.0sp2 compiles it into four opcodes. */ sum = sum >> 1 | sum << 31; sum += *data++; } return sum; } #endif /* _NGX_CRC_H_INCLUDED_ */