www.pudn.com > minix.instalation.cd-rom-2.0.rar > FAT.H


/*  
	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