From: Thomas Faber <thomas.faber@reactos.org>
Date: Tue, 13 Jun 2017 14:11:26 +0000 (+0000)
Subject: [WIN32K:NTUSER]
X-Git-Tag: ReactOS-0.4.6~325
X-Git-Url: https://git.reactos.org/?p=reactos.git;a=commitdiff_plain;h=eb3f29d2ad443404931c628289dea74f4f9e100c;ds=sidebyside

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

svn path=/trunk/; revision=75024
---

diff --git a/reactos/win32ss/user/ntuser/clipboard.c b/reactos/win32ss/user/ntuser/clipboard.c
index 068dc5d5f87..672631ca346 100644
--- a/reactos/win32ss/user/ntuser/clipboard.c
+++ b/reactos/win32ss/user/ntuser/clipboard.c
@@ -993,7 +993,8 @@ UserSetClipboardData(UINT fmt, HANDLE hData, PSETCLIPBDATA scd)
      * - 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())))
     {