File : zlib-streams-extra.adb
------------------------------------------------------------------------------
-- ADAGIO - ADALID - AENEA. --
-- --
-- Copyright (C) 2003 --
-- A. Mosteo. --
-- --
-- Authors: A. Mosteo. (adagio@mosteo.com) --
-- --
-- If you have any questions in regard to this software, please address --
-- them to the above email. --
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-- This program is free software; you can redistribute it and/or modify --
-- it under the terms of the GNU General Public License as published by --
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-- your option) any later version. --
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-- 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 --
-- General Public License for more details. --
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-- You should have received a copy of the GNU General Public License --
-- along with this library; if not, write to the Free Software Foundation, --
-- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. --
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-- You are not allowed to use any part of this code to develop a program --
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------------------------------------------------------------------------------
-- $Id: zlib-streams-extra.adb,v 1.5 2004/01/21 21:05:48 Jano Exp $
with Adagio.Trace;
use Adagio;
with Ada.Unchecked_deallocation;
package body Zlib.Streams.Extra is
------------------------------------------------------------------------
-- Close_abort --
------------------------------------------------------------------------
-- Closes a [decompressing] stream without flushing it
procedure Close_abort (Stream : in out Stream_type)
is
procedure Free is new Ada.Unchecked_Deallocation
(Stream_Element_Array, Buffer_Access);
begin
if
Stream.Mode = Out_Stream or
Stream.Mode = Duplex
then
begin
Flush (Stream, Finish);
exception
when E : Zlib_error =>
Trace.Log ("Zlib.Streams.Close_abort [flush ok]: " &
Trace.Report (E));
end;
begin
Close (Stream.Writer);
exception
when E : Zlib_error =>
Trace.Log ("Zlib.Streams.Close_abort [close ok]: " &
Trace.Report (E));
end;
end if;
if
Stream.Mode = In_Stream or
Stream.Mode = Duplex
then
begin
Close (Stream.Reader);
exception
when E : Zlib_error =>
Trace.Log (
"Zlib.Streams.Close_abort [ok]: " & Trace.Report (E));
end;
Free (Stream.Buffer);
end if;
end Close_abort;
end Zlib.Streams.Extra;