Add '\' between "System\CurrentControlSet\Class" and the GUID when creating the registry key name
Don't return FALSE but INVALID_HANDLE_VALUE in SetupDiOpenClassRegKeyExW

Modified: trunk/reactos/lib/setupapi/devinst.c

--- trunk/reactos/lib/setupapi/devinst.c	2005-07-01 12:09:04 UTC (rev 16367)
+++ trunk/reactos/lib/setupapi/devinst.c	2005-07-01 15:29:06 UTC (rev 16368)
@@ -1182,12 +1182,13 @@

     DWORD RequiredSize;
     HKEY hClassKey;
 

+    Buffer[0] = '\\';

     if (!SetupGetLineTextW(NULL,
 			   hInf,
 			   Version,
 			   ClassGUID,

-			   Buffer,
-			   MAX_PATH,

+			   &Buffer[1],
+			   MAX_PATH - 1,

 			   &RequiredSize))
     {
 	return INVALID_HANDLE_VALUE;
@@ -1433,7 +1434,7 @@

     if (UuidToStringW((UUID*)ClassGuid, &lpGuidString) != RPC_S_OK)
     {
 	RegCloseKey(hClassesKey);

-	return FALSE;

+	return INVALID_HANDLE_VALUE;

     }
 
     if (RegOpenKeyExW(hClassesKey,
@@ -1444,7 +1445,7 @@

     {
 	RpcStringFreeW(&lpGuidString);
 	RegCloseKey(hClassesKey);

-	return FALSE;

+	return INVALID_HANDLE_VALUE;

     }
 
     RpcStringFreeW(&lpGuidString);