/*

    FIPS - the First nondestructive Interactive Partition Splitting program

    

    Module types.h



    RCS - Header:

    $Header: c:/daten/c/fips/source/RCS/types.h%v 2.0 1993/04/28 03:32:20 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 1, 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.

*/



typedef unsigned char byte;

typedef unsigned int word;

typedef unsigned long dword;



typedef enum {false,true} boolean;



struct drive_geometry

{

	dword heads;

	dword cylinders;

	dword sectors;

};



struct physical_sector

{

	dword head;

	dword cylinder;

	dword sector;

};



struct partition_info

{

	byte bootable;                  /* 80h or 0 */

	byte start_head;                /* location of first sector (bootsector) */

	word start_cylinder;

	byte start_sector;

	byte system;                    /* 1 = 12-bit FAT, 4 = 16-bit FAT & 16-bit sector number */

					/* 6 = 16-bit FAT & 32-bit sector number (BIGDOS) */

	byte end_head;                  /* location of last sector */

	word end_cylinder;

	byte end_sector;

	dword start_sector_abs;         /* = start_cylinder * heads * sectors + start_head * sectors */

					/* + start_sector - 1 */

	dword no_of_sectors_abs;        /* = end_cylinder * heads * sectors + end_head * sectors */

					/* + end_sector - start_sector_abs */

};



struct bootsector_info

{

	word bytes_per_sector;          /* usually 512 */

	byte sectors_per_cluster;       /* may differ */

	word reserved_sectors;          /* usually 1 (bootsector) */

	byte no_of_fats;                /* usually 2 */

	word no_of_rootdir_entries;     /* usually 512 (?) */

	word no_of_sectors;             /* 0 on BIGDOS partitions */

	byte media_descriptor;          /* usually F8h */

	word sectors_per_fat;           /* depends on partition size */

	word sectors_per_track;         /* = sectors */

	word drive_heads;               /* = heads */

	dword hidden_sectors;           /* first sector of partition */

	dword no_of_sectors_long;       /* number of sectors on BIGDOS partitions */

	byte phys_drive_no;             /* 80h or 81h */

	byte signature;                 /* usually 29h */

};