Alexandre Julliard : ole32: Don't set zero-size clipboard data, this no longer works.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 77e566a3cbd0341ffeff7e8b7f42369622ac240a
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=77e566a3cbd0341ffeff7e8b7f...

Author: Alexandre Julliard 
Date:   Thu Feb  2 18:51:10 2017 +0100

ole32: Don't set zero-size clipboard data, this no longer works.

Signed-off-by: Alexandre Julliard

---

dlls/ole32/clipboard.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/ole32/clipboard.c b/dlls/ole32/clipboard.c
index e3c93c9..b547cdf 100644
--- a/dlls/ole32/clipboard.c
+++ b/dlls/ole32/clipboard.c
@@ -1110,7 +1110,7 @@ static HRESULT get_current_dataobject(IDataObject **data)

h = GetClipboardData(wine_marshal_clipboard_format);
     if(!h) return S_FALSE;
-    if(GlobalSize(h) == 0) return S_FALSE;
+    if(GlobalSize(h) <= 1) return S_FALSE;
     ptr = GlobalLock(h);
     if(!ptr) return S_FALSE;

@@ -1957,7 +1957,7 @@ static HRESULT expose_marshalled_dataobject(ole_clipbrd *clipbrd, IDataObject *d
         dup_global_mem(h_stm, GMEM_DDESHARE|GMEM_MOVEABLE, &h);
     }
     else /* flushed */
-        h = GlobalAlloc(GMEM_DDESHARE|GMEM_MOVEABLE, 0);
+        h = GlobalAlloc(GMEM_DDESHARE|GMEM_MOVEABLE, 1);

if(!h) return E_OUTOFMEMORY;