Better 16/32 bit driver messages mapping and handling.

include/driver.h

@@ -87,13 +87,18 @@ HDRVR16 WINAPI GetNextDriver16(HDRVR16, DWORD);
 BOOL16 WINAPI GetDriverInfo16(HDRVR16, DRIVERINFOSTRUCT16 *);
 
 /* The following definitions are WINE internals */
-/* FIXME: This is a WINE internal struct and should be moved in include/wine directory */
-/* Please note that WINE shares 16 and 32 bit drivers on a single list... */
-/* Basically, we maintain an external double view on drivers, so that a 16 bit drivers 
+/* FIXME: This is a WINE internal struct and should be moved in include/wine directory
+ * Please note that WINE shares 16 and 32 bit drivers on a single list...
+ * Basically, we maintain an external double view on drivers, so that a 16 bit drivers 
  * can be loaded/used... by 32 functions transparently 
  */
+
+/* Who said goofy boy ? */
+#define	WINE_DI_MAGIC	0x900F1B01
+
 typedef struct tagWINE_DRIVER
 {
+    DWORD			dwMagic;
     char			szAliasName[128];
     /* as usual LPWINE_DRIVER == hDriver32 */
     HDRVR16			hDriver16;
@@ -118,8 +123,9 @@ typedef struct tagWINE_DRIVER
 #define WINE_DI_TYPE_16		0x00000001ul
 #define WINE_DI_TYPE_32		0x00000002ul
 
-LPWINE_DRIVER	DRIVER_RegisterDriver16(LPCSTR, HMODULE16, DRIVERPROC16, LPARAM);
-LPWINE_DRIVER	DRIVER_RegisterDriver32(LPCSTR, HMODULE, DRIVERPROC, LPARAM);
+LPWINE_DRIVER	DRIVER_RegisterDriver16(LPCSTR, HMODULE16, DRIVERPROC16, LPARAM, BOOL);
+LPWINE_DRIVER	DRIVER_RegisterDriver32(LPCSTR, HMODULE,   DRIVERPROC,   LPARAM, BOOL);
+int		DRIVER_GetType(HDRVR);
 
 #if 0
 #errro "it's never used"