Mercurial > hg > nginx-mail
view src/core/ngx_crc.h @ 136:3656228c0b56 NGINX_0_3_15
nginx 0.3.15
*) Feature: the new 444 code of the "return" directive to close
connection.
*) Feature: the "so_keepalive" directive in IMAP/POP3 proxy.
*) Bugfix: if there are unclosed connection nginx now calls abort()
only on gracefull quit and active "debug_points" directive.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Wed, 07 Dec 2005 00:00:00 +0300 |
parents | 74b1868dd3cd |
children | acd2ec3541cb |
line wrap: on
line source
/* * 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_ */