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/*
file: swap.h
Copyright (C) 1998-2004,2006,2008 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 _SWAP_H
#define _SWAP_H
#ifdef __cplusplus
extern "C" {
#endif
#define PAGE_SIZE 0x1000 /* 4k page */
#define PAGE_8K 0x2000 /* 8K page */
union swap_header {
struct
{
char reserved[PAGE_SIZE - 10];
char magic[10];
} magic;
struct
{
char bootbits[1024]; /* Space for disklabel etc. */
unsigned int version;
unsigned int last_page;
unsigned int nr_badpages;
/* char volume_name[16]; */
unsigned int padding[125];
unsigned int badpages[1];
} info;
struct
{
char reserved[PAGE_8K- 10];
char magic[10];
} magic8k;
};
/*@
@ requires \valid(disk_car);
@ requires \valid(partition);
@ requires separation: \separated(disk_car, partition);
@ decreases 0;
@*/
int check_Linux_SWAP(disk_t *disk_car, partition_t *partition);
/*@
@ requires \valid_read(swap_header);
@ requires \valid(partition);
@ requires separation: \separated(swap_header, partition);
@*/
int recover_Linux_SWAP(const union swap_header *swap_header, partition_t *partition);
#ifdef __cplusplus
} /* closing brace for extern "C" */
#endif
#endif
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