* Malloc and set the data associated with the current process.
*/
-#define gras_userdata_new(type) (gras_userdata_set(malloc(sizeof(type))),gras_userdata_get())
+#define gras_userdata_new(type) (gras_userdata_set(gras_new0(type,1)),gras_userdata_get())
END_DECL