testdisk/src/fat_cluster.h
2022-07-14 10:09:09 +02:00

73 lines
2.4 KiB
C

/*
File: fat_cluster.h
Copyright (C) 2008-2009 Christophe GRENIER <grenier@cgsecurity.org>
This software 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 the Free Software Foundation, Inc., 51
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _FAT_CLUSTER_H
#define _FAT_CLUSTER_H
#ifdef __cplusplus
extern "C" {
#endif
typedef struct sector_cluster_struct sector_cluster_t;
typedef struct cluster_offset_struct cluster_offset_t;
struct sector_cluster_struct
{
unsigned int sector;
unsigned int cluster;
};
struct cluster_offset_struct
{
unsigned int sectors_per_cluster;
unsigned long int offset;
unsigned int nbr;
unsigned int first_sol;
};
/*@
@ requires \valid(disk_car);
@ requires valid_disk(disk_car);
@ requires \valid_read(partition);
@ requires valid_partition(partition);
@ requires \valid(sectors_per_cluster);
@ requires \valid(offset);
@ requires \separated(disk_car, partition, sectors_per_cluster, offset);
@ decreases 0;
@*/
int find_sectors_per_cluster(disk_t *disk_car, const partition_t *partition, const int verbose, const int dump_ind, unsigned int *sectors_per_cluster, uint64_t *offset, const upart_type_t upart_type);
/*@
@ assigns \nothing;
@*/
upart_type_t no_of_cluster2part_type(const unsigned long int no_of_cluster);
/*@
@ requires \valid_read(sector_cluster + (0 .. nbr_sector_cluster-1));
@ requires \valid(sectors_per_cluster);
@ requires \valid(offset);
@ requires \separated(sector_cluster + (..), sectors_per_cluster, offset);
@*/
int find_sectors_per_cluster_aux(const sector_cluster_t *sector_cluster, const unsigned int nbr_sector_cluster, unsigned int *sectors_per_cluster, uint64_t *offset, const int verbose, const unsigned long int part_size_in_sectors, const upart_type_t upart_type);
#ifdef __cplusplus
} /* closing brace for extern "c" */
#endif
#endif