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(***********************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA-Rocquencourt & LRI-CNRS-Orsay *)
(* \VV/ *************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(***********************************************************************)
(* $Id$ *)
let line_oriented_channel_to_option stop_string input_channel =
let count = ref 0 in
let buff = ref "" in
let current_length = ref 0 in
fun i ->
if (i - !count) >= !current_length then begin
count := !count + !current_length + 1;
buff := input_line input_channel;
if !buff = stop_string then
None
else begin
current_length := String.length !buff;
Some '\n'
end
end else
Some (String.get !buff (i - !count))
let flush_until_end_of_stream char_stream =
Stream.iter (function _ -> ()) char_stream
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