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fallback to neutral language in FormatMessage()

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This commit is contained in:
Igor Sysoev 2009-04-28 15:06:29 +00:00
parent 9d4a8d9111
commit bb8971fd26
1 changed files with 19 additions and 6 deletions
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25
src/os/win32/ngx_errno.c
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@ -11,17 +11,30 @@
u_char * u_char *
ngx_strerror_r(ngx_err_t err, u_char *errstr, size_t size) ngx_strerror_r(ngx_err_t err, u_char *errstr, size_t size)
{ {
u_int len; u_int len;
static u_long lang = MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US);
if (size == 0) { if (size == 0) {
return errstr; return errstr;
} }
len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
|FORMAT_MESSAGE_IGNORE_INSERTS, NULL, err, lang, (char *) errstr, size, NULL);
NULL, err,
MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), if (len == 0 && lang && GetLastError() == ERROR_RESOURCE_LANG_NOT_FOUND) {
(char *) errstr, size, NULL);
/*
* Try to use English messages first and fallback to a language,
* based on locale: non-English Windows have no English messages
* at all. This way allows to use English messages at least on
* Windows with MUI.
*/
lang = 0;
len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
NULL, err, lang, (char *) errstr, size, NULL);
}
if (len == 0) { if (len == 0) {
return ngx_snprintf(errstr, size, return ngx_snprintf(errstr, size,