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annotate src/os/win32/ngx_errno.c @ 3787:e294f37401c0

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use copied strerror() messages and autoconfigured sys_nerr value
author Igor Sysoev <igor@sysoev.ru>
date Thu, 25 Nov 2010 11:04:03 +0000
parents e70ac6e13f31
children d620f497c50f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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1
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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2 /*
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42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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3 * Copyright (C) Igor Sysoev
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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4 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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7 #include <ngx_config.h>
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c9b243802a17 nginx-0.0.1-2003-05-30-18:27:59 import
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8 #include <ngx_core.h>
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3d8ab5957202 ngx_strerror_r() style and size == 0 bug fix
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11 u_char *
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12 ngx_strerror(ngx_err_t err, u_char *errstr, size_t size)
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13 {
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14 u_int len;
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15 static u_long lang = MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US);
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16
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17 if (size == 0) {
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18 return errstr;
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19 }
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20
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21 len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
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22 NULL, err, lang, (char *) errstr, size, NULL);
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23
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24 if (len == 0 && lang && GetLastError() == ERROR_RESOURCE_LANG_NOT_FOUND) {
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25
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26 /*
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27 * Try to use English messages first and fallback to a language,
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28 * based on locale: non-English Windows have no English messages
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29 * at all. This way allows to use English messages at least on
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30 * Windows with MUI.
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31 */
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32
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33 lang = 0;
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34
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35 len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
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36 NULL, err, lang, (char *) errstr, size, NULL);
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37 }
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38
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6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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39 if (len == 0) {
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40 return ngx_snprintf(errstr, size,
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41 "FormatMessage() error:(%d)", GetLastError());
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42 }
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43
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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44 /* remove ".\r\n\0" */
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45 while (errstr[len] == '\0' || errstr[len] == CR
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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46 || errstr[len] == LF || errstr[len] == '.')
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47 {
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48 --len;
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49 }
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50
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51 return &errstr[++len];
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52 }
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53
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54
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55 ngx_uint_t
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56 ngx_strerror_init(void)
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57 {
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58 return NGX_OK;
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59 }