Mercurial > hg > nginx-quic
annotate src/os/win32/ngx_errno.c @ 8862:c2f5d79cde64 quic
QUIC: separate UDP framework for QUIC.
Previously, QUIC used the existing UDP framework, which was created for UDP in
Stream. However the way QUIC connections are created and looked up is different
from the way UDP connections in Stream are created and looked up. Now these
two implementations are decoupled.
author | Roman Arutyunyan <arut@nginx.com> |
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date | Wed, 20 Apr 2022 16:01:17 +0400 |
parents | 746567d633ac |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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6 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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12 u_char * |
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13 ngx_strerror(ngx_err_t err, u_char *errstr, size_t size) |
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14 { |
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15 u_int len; |
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16 static u_long lang = MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US); |
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17 |
461 | 18 if (size == 0) { |
19 return errstr; | |
20 } | |
21 | |
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22 len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, |
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23 NULL, err, lang, (char *) errstr, size, NULL); |
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24 |
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25 if (len == 0 && lang) { |
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26 |
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27 /* |
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28 * Try to use English messages first and fallback to a language, |
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29 * based on locale: non-English Windows have no English messages |
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30 * at all. This way allows to use English messages at least on |
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31 * Windows with MUI. |
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32 */ |
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33 |
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34 lang = 0; |
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35 |
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36 len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, |
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37 NULL, err, lang, (char *) errstr, size, NULL); |
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38 } |
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40 if (len == 0) { |
461 | 41 return ngx_snprintf(errstr, size, |
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42 "FormatMessage() error:(%d)", GetLastError()); |
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43 } |
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45 /* remove ".\r\n\0" */ |
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46 while (errstr[len] == '\0' || errstr[len] == CR |
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47 || errstr[len] == LF || errstr[len] == '.') |
461 | 48 { |
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49 --len; |
461 | 50 } |
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461 | 52 return &errstr[++len]; |
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53 } |
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54 |
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55 |
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56 ngx_int_t |
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57 ngx_strerror_init(void) |
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58 { |
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59 return NGX_OK; |
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60 } |