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

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 536277adf5fbb28576187db3b2b45fcb6ce72bd8
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=536277adf5fbb28576187db3b...

Author: Alexandre Julliard 
Date:   Wed May 13 22:07:16 2020 +0200

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

Signed-off-by: Alexandre Julliard

---

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

diff --git a/programs/xcopy/xcopy.c b/programs/xcopy/xcopy.c
index f50bb7791c..a8614f979a 100644
--- a/programs/xcopy/xcopy.c
+++ b/programs/xcopy/xcopy.c
@@ -122,11 +122,10 @@ static int WINAPIV XCOPY_wprintf(const WCHAR *format, ...) {
     }

__ms_va_start(parms, format);
-    SetLastError(NO_ERROR);
     len = FormatMessageW(FORMAT_MESSAGE_FROM_STRING, format, 0, 0, output_bufW,
                    MAX_WRITECONSOLE_SIZE/sizeof(*output_bufW), &parms);
     __ms_va_end(parms);
-    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(format));
       return 0;
     }