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streamclone.h
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/*
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* libopenraw - streamclone.h
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*
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* Copyright (C) 2006 Hubert Figuière
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*
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* This library is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#ifndef __IO_STREAMCLONE_H__
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#define __IO_STREAMCLONE_H__
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#include <sys/types.h>
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#include <unistd.h>
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#include "stream.h"
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namespace
OpenRaw {
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namespace
IO {
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class
StreamClone
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:
public
Stream
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{
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public
:
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StreamClone
(
Stream
*clone, off_t offset);
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virtual
~
StreamClone
();
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virtual
Error
open
();
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virtual
int
close
();
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virtual
int
seek
(off_t offset,
int
whence);
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virtual
int
read
(
void
*buf,
size_t
count);
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virtual
off_t filesize();
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private
:
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StreamClone
(
const
StreamClone
& f);
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StreamClone
& operator=(
const
StreamClone
&);
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Stream
*m_cloned;
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off_t m_offset;
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};
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}
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}
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#endif
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