Mercurial > hg > nginx
annotate src/core/ngx_crc.h @ 593:425af804d968 release-0.3.18
nginx-0.3.18-RELEASE import
*) Feature: the "server_names" directive supports the ".domain.tld"
names.
*) Feature: the "server_names" directive uses the hash for the
"*.domain.tld" names and more effective hash for usual names.
*) Change: the "server_names_hash_max_size" and
"server_names_hash_bucket_size" directives.
*) Change: the "server_names_hash" and "server_names_hash_threshold"
directives were canceled.
*) Feature: the "valid_referers" directive uses the hash site names.
*) Change: now the "valid_referers" directive checks the site names
only without the URI part.
*) Bugfix: some ".domain.tld" names incorrectly processed by the
ngx_http_map_module.
*) Bugfix: segmentation fault was occurred if configuration file did
not exist; the bug had appeared in 0.3.12.
*) Bugfix: on 64-bit platforms segmentation fault may occurred on
start; the bug had appeared in 0.3.16.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 26 Dec 2005 17:07:48 +0000 |
parents | bbd6b0b4a2b1 |
children | 5622cdd48e5b |
rev | line source |
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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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467 | 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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31 |
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33 #endif /* _NGX_CRC_H_INCLUDED_ */ |