fix memmory coruption in EnumDisplaySettingsExA
do not alloc memmory with heap.

Modified: trunk/reactos/lib/user32/misc/display.c

--- trunk/reactos/lib/user32/misc/display.c	2005-05-27 00:32:24 UTC (rev 15541)
+++ trunk/reactos/lib/user32/misc/display.c	2005-05-27 14:22:06 UTC (rev 15542)
@@ -200,33 +200,25 @@

 {
   BOOL rc;
   UNICODE_STRING DeviceName;

-  LPDEVMODEW lpDevModeW;

+  DEVMODEW lpDevModeW;

-  lpDevModeW = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
-                         sizeof(DEVMODEW) + lpDevMode->dmDriverExtra);
-  if ( lpDevModeW == NULL )
-    {
-      SetLastError ( ERROR_OUTOFMEMORY );
-      return FALSE;
-    }
-

   if ( !RtlCreateUnicodeStringFromAsciiz ( &DeviceName, (PCSZ)lpszDeviceName ) )
     {
       SetLastError ( ERROR_OUTOFMEMORY );
       return FALSE;
     }
 

-  lpDevModeW->dmSize = sizeof(DEVMODEW);
-  lpDevModeW->dmDriverExtra = 0;
-
-  rc = NtUserEnumDisplaySettings ( &DeviceName, iModeNum, lpDevModeW,

+  memset(&lpDevModeW,0,sizeof(DEVMODEW));
+  lpDevModeW.dmSize = sizeof(DEVMODEW);
+ 
+  rc = NtUserEnumDisplaySettings ( &DeviceName, iModeNum, &lpDevModeW,

                                    dwFlags );
 

-  RosRtlDevModeW2A ( lpDevMode, lpDevModeW );

+  RosRtlDevModeW2A ( lpDevMode, &lpDevModeW );

 
   RtlFreeUnicodeString ( &DeviceName );

-  HeapFree ( GetProcessHeap(), 0, lpDevModeW );

+

   return rc;
 }