/*

	FIPS - the First nondestructive Interactive Partition Splitting program



	Module fat.h



	RCS - Header:

	$Header: c:/daten/fips/source/main/RCS/fat.h 1.4 1995/01/19 00:01:25 schaefer Exp schaefer $



	Copyright (C) 1993 Arno Schaefer



	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., 675 Mass Ave, Cambridge, MA 02139, USA.





	Report problems and direct all questions to:



	schaefer@rbg.informatik.th-darmstadt.de

*/



#ifndef FAT_H

#define FAT_H



#include "types.h"

#include "disk_io.h"

#include "logdr_st.h"



class fat

{

protected:

	logical_drive *logical_drive;

	int number;

	dword start_sector;

	sector *buffer;

	dword sector_in_buffer;

	void read_sector (dword sector);

public:

	virtual dword next_cluster (dword cluster_number) = 0;



	fat (class logical_drive *logical_drive,int number);

	~fat (void) { delete buffer; }

};



class fat16:public fat

{

public:

	dword next_cluster (dword cluster_number);

	void check_empty (dword new_start_cluster);

	void check_against (class fat16 *fat2);

	dword min_free_cluster (void);



	fat16 (class logical_drive *logical_drive,int number):fat (logical_drive,number) {}

};



#endif