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comparison src/os/win32/ngx_errno.c @ 2770:e70ac6e13f31

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fallback to neutral language in FormatMessage()
author Igor Sysoev <igor@sysoev.ru>
date Tue, 28 Apr 2009 15:06:29 +0000
parents 234ddbff1b2e
children e294f37401c0
comparison
equal deleted inserted replaced
2769:9d986c4e796f 2770:e70ac6e13f31
9 9
10 10
11 u_char * 11 u_char *
12 ngx_strerror_r(ngx_err_t err, u_char *errstr, size_t size) 12 ngx_strerror_r(ngx_err_t err, u_char *errstr, size_t size)
13 { 13 {
14 u_int len; 14 u_int len;
15 static u_long lang = MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US);
15 16
16 if (size == 0) { 17 if (size == 0) {
17 return errstr; 18 return errstr;
18 } 19 }
19 20
20 len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM 21 len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
21 |FORMAT_MESSAGE_IGNORE_INSERTS, 22 NULL, err, lang, (char *) errstr, size, NULL);
22 NULL, err, 23
23 MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), 24 if (len == 0 && lang && GetLastError() == ERROR_RESOURCE_LANG_NOT_FOUND) {
24 (char *) errstr, size, NULL); 25
26 /*
27 * Try to use English messages first and fallback to a language,
28 * based on locale: non-English Windows have no English messages
29 * at all. This way allows to use English messages at least on
30 * Windows with MUI.
31 */
32
33 lang = 0;
34
35 len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
36 NULL, err, lang, (char *) errstr, size, NULL);
37 }
25 38
26 if (len == 0) { 39 if (len == 0) {
27 return ngx_snprintf(errstr, size, 40 return ngx_snprintf(errstr, size,
28 "FormatMessage() error:(%d)", GetLastError()); 41 "FormatMessage() error:(%d)", GetLastError());
29 } 42 }