Alexandre Julliard : reg: FormatMessage() now reports ERROR_NO_WORK_DONE error for empty string.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: f81d15beb690c5e08c5995b90aec8015218bee55
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=f81d15beb690c5e08c5995b90aec8015218bee55

Author: Alexandre Julliard <julliard at winehq.org>
Date:   Wed May 13 22:06:51 2020 +0200

reg: FormatMessage() now reports ERROR_NO_WORK_DONE error for empty string.

Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 programs/reg/reg.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/programs/reg/reg.c b/programs/reg/reg.c
index a1edd226ac..997a670383 100644
--- a/programs/reg/reg.c
+++ b/programs/reg/reg.c
@@ -132,10 +132,9 @@ static void output_formatstring(const WCHAR *fmt, __ms_va_list va_args)
     WCHAR *str;
     DWORD len;
 
-    SetLastError(NO_ERROR);
     len = FormatMessageW(FORMAT_MESSAGE_FROM_STRING|FORMAT_MESSAGE_ALLOCATE_BUFFER,
                          fmt, 0, 0, (WCHAR *)&str, 0, &va_args);
-    if (len == 0 && GetLastError() != NO_ERROR)
+    if (len == 0 && GetLastError() != ERROR_NO_WORK_DONE)
     {
         WINE_FIXME("Could not format string: le=%u, fmt=%s\n", GetLastError(), wine_dbgstr_w(fmt));
         return;