genode/repos/os/src/server/tar_fs/node.h

60 lines
1.1 KiB
C++

/*
* \brief TAR file-system node
* \author Christian Prochaska
* \author Norman Feske
* \date 2012-08-20
*/
/*
* Copyright (C) 2012-2013 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
#ifndef _NODE_H_
#define _NODE_H_
/* Genode includes */
#include <file_system/node.h>
/* local includes */
#include <record.h>
namespace File_system {
class Node : public Node_base
{
protected:
Record *_record;
public:
Node(Record *record) : _record(record) { }
Record const *record() const { return _record; }
/*
* A generic Node object can be created to represent a file or
* directory by its name without opening it, so the functions
* of this class must not be abstract.
*/
virtual size_t read(char *dst, size_t len, seek_off_t)
{
PERR("read() called on generic Node object");
return 0;
}
virtual size_t write(char const *src, size_t len, seek_off_t)
{
PERR("write() called on generic Node object");
return 0;
}
};
}
#endif /* _NODE_H_ */