Return reasonably correct result querying a null memory area. Still a TODO left.

reactos/ntoskrnl/mm

diff -u -r1.72 -r1.73
--- virtual.c	10 Apr 2004 22:35:26 -0000	1.72
+++ virtual.c	5 May 2004 02:00:01 -0000	1.73
@@ -16,7 +16,7 @@

  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */

-/* $Id: virtual.c,v 1.72 2004/04/10 22:35:26 gdalsnes Exp $

+/* $Id: virtual.c,v 1.73 2004/05/05 02:00:01 tamlin Exp $

  *
  * PROJECT:     ReactOS kernel
  * FILE:        ntoskrnl/mm/virtual.c

@@ -157,6 +157,15 @@

             {
                Info->State = MEM_FREE;
                Info->BaseAddress = (PVOID)PAGE_ROUND_DOWN(Address);

+               Info->AllocationBase = 0;
+               Info->AllocationProtect = 0;
+               /* TODO: Find the next memory area and set RegionSize! */
+               /* Since programs might depend on RegionSize for
+                * iteration, we for now just make up a value.
+                */
+               Info->RegionSize = (Address > (PVOID)0x70000000) ? 0 : 0x10000;
+               Info->Protect = PAGE_NOACCESS;
+               Info->Type = 0;

                Status = STATUS_SUCCESS;
                ResultLength = sizeof(MEMORY_BASIC_INFORMATION);
             }