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(**************************************************************************)
(* Copyright © 2009-2013 Stéphane Glondu <steph@glondu.net> *)
(* © 2010-2013 Mehdi Dogguy <mehdi@dogguy.org> *)
(* *)
(* This program is free software: you can redistribute it and/or modify *)
(* it under the terms of the GNU Affero General Public License as *)
(* published by the Free Software Foundation, either version 3 of the *)
(* License, or (at your option) any later version, with the additional *)
(* exemption that compiling, linking, and/or using OpenSSL is allowed. *)
(* *)
(* This program 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 *)
(* Affero General Public License for more details. *)
(* *)
(* You should have received a copy of the GNU Affero General Public *)
(* License along with this program. If not, see *)
(* <http://www.gnu.org/licenses/>. *)
(**************************************************************************)
open Core
open Error
module type MARSHALLABLE = sig
type t
val magic_number : string
end
module Make (I : MARSHALLABLE) = struct
let load filename =
with_in_file filename (fun ic ->
let n = String.length I.magic_number in
let buf = Bytes.create n in
really_input ic buf 0 n;
if Bytes.compare buf (Bytes.of_string I.magic_number) = 0 then
(input_value ic : I.t)
else raise (Bad_marshalled_data filename))
let dump filename (data : I.t) =
with_out_file filename (fun ic ->
output_string ic I.magic_number;
output_value ic data)
end
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