[sginsberg] 36018: - Fix RegQueryValueA. Now Winetests are causing the CM crash again.

Author: sginsberg
Date: Sun Sep  7 03:38:15 2008
New Revision: 36018

URL: http://svn.reactos.org/svn/reactos?rev=36018&view=rev
Log:
- Fix RegQueryValueA. Now Winetests are causing the CM crash again.

Modified:
    trunk/reactos/dll/win32/advapi32/reg/reg.c

Modified: trunk/reactos/dll/win32/advapi32/reg/reg.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/advapi32/reg/reg....
==============================================================================
--- trunk/reactos/dll/win32/advapi32/reg/reg.c [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/advapi32/reg/reg.c [iso-8859-1] Sun Sep  7 03:38:15 2008
@@ -4084,17 +4084,24 @@
    		      &ValueSize);
   if (ErrorCode == ERROR_SUCCESS)
     {
-      Value.Length = ValueSize;
-      RtlInitAnsiString (&AnsiString,
-			 NULL);
-      AnsiString.Buffer = lpValue;
-      AnsiString.MaximumLength = *lpcbValue;
-      RtlUnicodeStringToAnsiString (&AnsiString,
-				    &Value,
-				    FALSE);
-    }
-
-  *lpcbValue = ValueSize;
+      if (lpValue != NULL)
+      {
+        Value.Length = ValueSize;
+        RtlInitAnsiString (&AnsiString,
+			   NULL);
+        AnsiString.Buffer = lpValue;
+        AnsiString.MaximumLength = *lpcbValue;
+        RtlUnicodeStringToAnsiString (&AnsiString,
+				      &Value,
+				      FALSE);
+        *lpcbValue = ValueSize;
+      }
+      else if (lpcbValue != NULL)
+      {
+          *lpcbValue = ValueSize;
+      }
+    }
+
   if (Value.Buffer != NULL)
     {
       RtlFreeHeap (ProcessHeap,