[mjansen] 75617: [OLE32] Do not crash on an invalid / empty clipboard. CORE-12302

Author: mjansen
Date: Fri Aug 18 17:18:46 2017
New Revision: 75617

URL: http://svn.reactos.org/svn/reactos?rev=75617&view=rev
Log:
[OLE32] Do not crash on an invalid / empty clipboard.
CORE-12302

Modified:
    trunk/reactos/dll/win32/ole32/clipboard.c

Modified: trunk/reactos/dll/win32/ole32/clipboard.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/ole32/clipboard.…
==============================================================================
--- trunk/reactos/dll/win32/ole32/clipboard.c	[iso-8859-1] (original)
+++ trunk/reactos/dll/win32/ole32/clipboard.c	[iso-8859-1] Fri Aug 18 17:18:46 2017
@@ -2018,6 +2018,10 @@
     {
     case WM_RENDERFORMAT:
     {
+#ifdef __REACTOS__
+    if (clipbrd->cached_enum)
+    {
+#endif
         UINT cf = wparam;
         ole_priv_data_entry *entry;
 
@@ -2026,7 +2030,9 @@
 
         if(entry)
             render_format(clipbrd->src_data, &entry->fmtetc);
-
+#ifdef __REACTOS__
+    }
+#endif
         break;
     }