From bb8971fd2657c5e923787ee5404c197098c11925 Mon Sep 17 00:00:00 2001 From: Igor Sysoev Date: Tue, 28 Apr 2009 15:06:29 +0000 Subject: [PATCH] fallback to neutral language in FormatMessage() --- src/os/win32/ngx_errno.c | 25 +++++++++++++++++++------ 1 file changed, 19 insertions(+), 6 deletions(-) diff --git a/src/os/win32/ngx_errno.c b/src/os/win32/ngx_errno.c index b2505918b..525dcff4c 100644 --- a/src/os/win32/ngx_errno.c +++ b/src/os/win32/ngx_errno.c @@ -11,17 +11,30 @@ u_char * 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) { return errstr; } - len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM - |FORMAT_MESSAGE_IGNORE_INSERTS, - NULL, err, - MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), - (char *) errstr, size, NULL); + len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, + NULL, err, lang, (char *) errstr, size, NULL); + + if (len == 0 && lang && GetLastError() == ERROR_RESOURCE_LANG_NOT_FOUND) { + + /* + * 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) { return ngx_snprintf(errstr, size,