/* 
	FIPS - the First nondestructive Interactive Partition Splitting program 
 
	Module fat.h 
 
	RCS - Header: 
	$Header: c:/daten/fips/source/main/RCS/fat.h 1.1 1994/05/25 22:20:21 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_cluster (void); 
 
	fat16 (class logical_drive *logical_drive,int number):fat (logical_drive,number) {} 
}; 
 
#endif