Mercurial > hg > nginx-vendor-0-6
view src/core/ngx_crc.h @ 322:d16d691432c9 NGINX_0_6_5
nginx 0.6.5
*) Feature: $nginx_version variable.
Thanks to Nick S. Grechukh.
*) Feature: the mail proxy supports AUTHENTICATE in IMAP mode.
Thanks to Maxim Dounin.
*) Feature: the mail proxy supports STARTTLS in SMTP mode.
Thanks to Maxim Dounin.
*) Bugfix: now nginx escapes space in $memcached_key variable.
*) Bugfix: nginx was incorrectly built by Sun Studio on
Solaris/amd64.
Thanks to Jiang Hong.
*) Bugfix: of minor potential bugs.
Thanks to Coverity's Scan.
author | Igor Sysoev <http://sysoev.ru> |
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date | Mon, 23 Jul 2007 00:00:00 +0400 |
parents | fbf2b2f66c9f |
children |
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/* * Copyright (C) Igor Sysoev */ #ifndef _NGX_CRC_H_INCLUDED_ #define _NGX_CRC_H_INCLUDED_ #include <ngx_config.h> #include <ngx_core.h> /* 32-bit crc16 */ static ngx_inline uint32_t ngx_crc(u_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_ */