Don't return data length if not requested

svn path=/trunk/; revision=11112

diff --git a/reactos/lib/advapi32/reg/reg.c b/reactos/lib/advapi32/reg/reg.c
index 5cd822b..1c13a31 100644 (file)
--- a/reactos/lib/advapi32/reg/reg.c
+++ b/reactos/lib/advapi32/reg/reg.c
@@ -1,4 +1,4 @@
-/* $Id: reg.c,v 1.57 2004/09/13 14:42:37 ekohl Exp $
+/* $Id: reg.c,v 1.58 2004/09/28 20:40:15 gvg Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS system libraries
@@ -1444,7 +1444,10 @@ RegEnumValueW (HKEY hKey,
              *lpcbValueName = (DWORD)(ValueInfo->Basic.NameLength / sizeof(WCHAR));
              lpValueName[*lpcbValueName] = 0;
            }
-          *lpcbData = (DWORD)ValueInfo->Full.DataLength;
+         if (NULL != lpcbData)
+           {
+             *lpcbData = (DWORD)ValueInfo->Full.DataLength;
+           }
        }
 
       if (ErrorCode == ERROR_SUCCESS && lpType != NULL)