[fireball] 53535: - Fix a totally broken case when a directory has no name in ObQueryNameString. Spotted by Coverity.

Author: fireball
Date: Fri Sep  2 21:22:30 2011
New Revision: 53535

URL: http://svn.reactos.org/svn/reactos?rev=53535&view=rev
Log:
- Fix a totally broken case when a directory has no name in ObQueryNameString. Spotted by
Coverity.

Modified:
    trunk/reactos/ntoskrnl/ob/obname.c

Modified: trunk/reactos/ntoskrnl/ob/obname.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ob/obname.c?rev=5…
==============================================================================
--- trunk/reactos/ntoskrnl/ob/obname.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/ob/obname.c [iso-8859-1] Fri Sep  2 21:22:30 2011
@@ -1126,8 +1126,11 @@
             else
             {
                 /* Directory without a name, we add "..." */
-                ObjectName -= sizeof(L"...");
-                ObjectName = L"...";
+                ObjectName = (PWCH)((ULONG_PTR)ObjectName -
+                                     sizeof(L"...") + sizeof(UNICODE_NULL));
+                RtlCopyMemory(ObjectName,
+                              L"...",
+                              sizeof(L"...") + sizeof(UNICODE_NULL));
                 break;
             }
         }