Mercurial > hg > nginx-vendor-current
annotate src/core/ngx_crc.h @ 642:d3cf6c6b0043 NGINX_1_1_5
nginx 1.1.5
*) Feature: the "uwsgi_buffering" and "scgi_buffering" directives.
Thanks to Peter Smit.
*) Bugfix: non-cacheable responses might be cached if
"proxy_cache_bypass" directive was used.
Thanks to John Ferlito.
*) Bugfix: in HTTP/1.1 support in the ngx_http_proxy_module.
*) Bugfix: cached responses with an empty body were returned
incorrectly; the bug had appeared in 0.8.31.
*) Bugfix: 201 responses of the ngx_http_dav_module were incorrect; the
bug had appeared in 0.8.32.
*) Bugfix: in the "return" directive.
*) Bugfix: the "ssl_session_cache builtin" directive caused segmentation
fault; the bug had appeared in 1.1.1.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Wed, 05 Oct 2011 00:00:00 +0400 |
parents | fbf2b2f66c9f |
children | d0f7a625f27c |
rev | line source |
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0 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #ifndef _NGX_CRC_H_INCLUDED_ | |
8 #define _NGX_CRC_H_INCLUDED_ | |
9 | |
10 | |
250 | 11 #include <ngx_config.h> |
12 #include <ngx_core.h> | |
13 | |
14 | |
0 | 15 /* 32-bit crc16 */ |
16 | |
248 | 17 static ngx_inline uint32_t |
250 | 18 ngx_crc(u_char *data, size_t len) |
0 | 19 { |
20 uint32_t sum; | |
21 | |
22 for (sum = 0; len; len--) { | |
23 | |
24 /* | |
248 | 25 * gcc 2.95.2 x86 and icc 7.1.006 compile |
26 * that operator into the single "rol" opcode, | |
0 | 27 * msvc 6.0sp2 compiles it into four opcodes. |
28 */ | |
29 sum = sum >> 1 | sum << 31; | |
30 | |
31 sum += *data++; | |
32 } | |
33 | |
34 return sum; | |
35 } | |
36 | |
37 | |
38 #endif /* _NGX_CRC_H_INCLUDED_ */ |