annotate src/core/ngx_crc.h @ 78:9db7e0b5b27f NGINX_0_1_39

nginx 0.1.39 *) The changes in the ngx_http_charset_module: the "default_charset" directive was canceled; the "charset" directive sets the response charset; the "source_charset" directive sets the source charset only. *) Bugfix: the backend "WWW-Authenticate" header line did not transferred while the 401 response code redirecting. *) Bugfix: the ngx_http_proxy_module and ngx_http_fastcgi_module may close a connection before anything was transferred to a client; bug appeared in 0.1.38. *) Workaround: the Linux glibc crypt_r() initialization bug. *) Bugfix: the ngx_http_ssi_module did not support the relative URI in the "include virtual" command. *) Bugfix: if the backend response had the "Location" header line and nginx should not rewrite this line, then the 500 code response body was transferred; bug appeared in 0.1.29. *) Bugfix: some directives of the ngx_http_proxy_module and ngx_http_fastcgi_module were not inherited from the server to the location level; bug appeared in 0.1.29. *) Bugfix: the ngx_http_ssl_module did not support the certificate chain. *) Bugfix: the ngx_http_autoindex_module did not show correctly the long file names; bug appeared in 0.1.38. *) Bugfixes in IMAP/POP3 proxy in interaction with a backend at the login state.
author Igor Sysoev <http://sysoev.ru>
date Thu, 14 Jul 2005 00:00:00 +0400
parents 74b1868dd3cd
children acd2ec3541cb
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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7 #ifndef _NGX_CRC_H_INCLUDED_
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8 #define _NGX_CRC_H_INCLUDED_
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11 /* 32-bit crc16 */
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13 static ngx_inline uint32_t ngx_crc(char *data, size_t len)
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14 {
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15 uint32_t sum;
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17 for (sum = 0; len; len--) {
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19 /*
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20 * gcc 2.95.2 x86 and icc 7.1.006 compile that operator
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21 * into the single "rol" opcode.
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22 * msvc 6.0sp2 compiles it into four opcodes.
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23 */
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24 sum = sum >> 1 | sum << 31;
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26 sum += *data++;
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27 }
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29 return sum;
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30 }
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33 #endif /* _NGX_CRC_H_INCLUDED_ */