Mercurial > hg > nginx-ranges
view src/core/ngx_crc.h @ 416:a8e3f1441eec NGINX_0_7_17
nginx 0.7.17
*) Feature: now the "directio" directive works on Linux.
*) Feature: the $pid variable.
*) Bugfix: the "directio" optimization that had appeared in 0.7.15 did
not work with open_file_cache.
*) Bugfix: the "access_log" with variables did not work on Linux; the
bug had appeared in 0.7.7.
*) Bugfix: the ngx_http_charset_module did not understand quoted
charset name received from backend.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Mon, 15 Sep 2008 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_ */