From af4cfbfdec5d28d8c6ee2ff3507c282c70dd4649 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=A9=20van=20Geldorp?= <ge@gse.nl>
Date: Fri, 17 Dec 2004 09:56:10 +0000
Subject: [PATCH] Don't mess with WNDCLASS contents if class doesn't exist

svn path=/trunk/; revision=12163
---
 reactos/lib/user32/windows/class.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/reactos/lib/user32/windows/class.c b/reactos/lib/user32/windows/class.c
index 489c2aabb0e..250f99f460f 100644
--- a/reactos/lib/user32/windows/class.c
+++ b/reactos/lib/user32/windows/class.c
@@ -1,4 +1,4 @@
-/* $Id: class.c,v 1.52 2004/12/04 22:08:29 navaraf Exp $
+/* $Id: class.c,v 1.53 2004/12/17 09:56:10 gvg Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS user32.dll
@@ -170,7 +170,10 @@ GetClassInfoA(
   }
 
   retval = GetClassInfoExA(hInstance,lpClassName,&w);
-  RtlCopyMemory ( lpWndClass, &w.style, sizeof(WNDCLASSA) );
+  if (retval)
+  {
+    RtlCopyMemory ( lpWndClass, &w.style, sizeof(WNDCLASSA) );
+  }
   return retval;
 }