fat.h
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上传日期:2007-01-06
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- /*
- 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