[tfaber] 75024: [WIN32K:NTUSER] - Fail UserSetClipboardData in case of 0 format, as shown by user32:clipboard test

Author: tfaber
Date: Tue Jun 13 14:11:26 2017
New Revision: 75024

URL: http://svn.reactos.org/svn/reactos?rev=75024&view=rev
Log:
[WIN32K:NTUSER]
- Fail UserSetClipboardData in case of 0 format, as shown by user32:clipboard test

Modified:
    trunk/reactos/win32ss/user/ntuser/clipboard.c

Modified: trunk/reactos/win32ss/user/ntuser/clipboard.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/ntuser/clipboa...
==============================================================================
--- trunk/reactos/win32ss/user/ntuser/clipboard.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/ntuser/clipboard.c	[iso-8859-1] Tue Jun 13 14:11:26 2017
@@ -993,7 +993,8 @@
      * - in case of delayed rendering, the clipboard must be already opened
      *   by another application, but we need to be the clipboard owner.
      */
-    if ((!pWinStaObj->fInDelayedRendering && !IntIsClipboardOpenByMe(pWinStaObj)) ||
+    if (!fmt ||
+        (!pWinStaObj->fInDelayedRendering && !IntIsClipboardOpenByMe(pWinStaObj)) ||
         (pWinStaObj->fInDelayedRendering && !(pWinStaObj->ptiClipLock &&
          pWinStaObj->spwndClipOwner->head.pti == PsGetCurrentThreadWin32Thread())))
     {