[fireball] 23046: Added a check for a non-null WndProc into IntCallWndProcA/W. Instead of bugchecking, it shows a DPRINT1 now to inform about a bug. As a side effect, mIRC now works in ReactOS.

Author: fireball
Date: Fri Jul 14 00:47:59 2006
New Revision: 23046

URL: http://svn.reactos.org/svn/reactos?rev=23046&view=rev
Log:
Added a check for a non-null WndProc into IntCallWndProcA/W. Instead of bugchecking, it
shows a DPRINT1 now to inform about a bug.
As a side effect, mIRC now works in ReactOS.

Modified:
    trunk/reactos/dll/win32/user32/windows/message.c

Modified: trunk/reactos/dll/win32/user32/windows/message.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/user32/windows/m…
==============================================================================
--- trunk/reactos/dll/win32/user32/windows/message.c (original)
+++ trunk/reactos/dll/win32/user32/windows/message.c Fri Jul 14 00:47:59 2006
@@ -1141,6 +1141,12 @@
   MSG UnicodeMsg;
   LRESULT Result;
 
+  if (WndProc == NULL)
+  {
+      DPRINT1("IntCallWindowsProcW() called with WndProc = NULL!\n");
+      return FALSE;
+  }
+
   if (IsAnsiProc)
     {
       UnicodeMsg.hwnd = hWnd;
@@ -1176,6 +1182,12 @@
   MSG AnsiMsg;
   MSG UnicodeMsg;
   LRESULT Result;
+
+  if (WndProc == NULL)
+  {
+      DPRINT1("IntCallWindowsProcA() called with WndProc = NULL!\n");
+      return FALSE;
+  }
 
   if (IsAnsiProc)
     {