-
-(*
- * gestione della connessione al database
- *)
-
-(*
- * le eccezzioni lanciate dalle funzioni init e pgc sono
- * definite nel modulo Mathql
- *)
-open Mathql;;
-
-(*
- * paramentri della connessione
- *)
-(*let connection_param = "host=127.0.0.1 dbname=helm";;*)
-let connection_param = "host=dotto.cs.unibo.it dbname=helm user=helm";;
-
-(*
- * connessione al db
- *)
-let conn = ref None;;
-
-(*
- * controllo sulla connessione
- *)
-let pgc () =
- match !conn with
- None -> raise (MQInvalidConnection connection_param)
- | Some c -> c
-;;
-
-(*
- * inizializzazione della connessione
+(* Copyright (C) 2000, HELM Team.
+ *
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ *
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * HELM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.