/usr/include/libktorrent/diskio/dndfile.h is in libktorrent-dev 1.3.1-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@gmail.com *
* *
* 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 *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* 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. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef BTDNDFILE_H
#define BTDNDFILE_H
#include <QString>
#include <QSharedPointer>
#include <util/constants.h>
namespace bt
{
class TorrentFile;
/**
* @author Joris Guisson <joris.guisson@gmail.com>
*
* Special file where we keep the first and last chunk of a file which is marked as do not download.
* THe first and last chunk of a file will most certainly be partial chunks.
*/
class DNDFile
{
public:
DNDFile(const QString & path, const TorrentFile* tf, Uint32 chunk_size);
virtual ~DNDFile();
/// Change the path of the file
void changePath(const QString & npath);
/**
* CHeck integrity of the file, create it if it doesn't exist.
*/
void checkIntegrity();
/**
* Read the (partial)first chunk into a buffer.
* @param buf The buffer
* @param off Offset off chunk
* @param size How many bytes to read of the first chunk
*/
Uint32 readFirstChunk(Uint8* buf, Uint32 off, Uint32 size);
/**
* Read the (partial)last chunk into a buffer.
* @param buf The buffer
* @param off Offset off chunk
* @param size How many bytes to read of the last chunk
*/
Uint32 readLastChunk(Uint8* buf, Uint32 off, Uint32 size);
/**
* Write the partial first chunk.
* @param buf The buffer
* @param off Offset into partial chunk
* @param size Size to write
*/
void writeFirstChunk(const Uint8* buf, Uint32 off, Uint32 size);
/**
* Write the partial last chunk.
* @param buf The buffer
* @param off Offset into partial chunk
* @param size Size to write
*/
void writeLastChunk(const Uint8* buf, Uint32 off, Uint32 size);
typedef QSharedPointer<DNDFile> Ptr;
private:
void create();
private:
QString path;
Uint32 first_size;
Uint32 last_size;
};
}
#endif
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