73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
/*
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file: swap.h
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Copyright (C) 1998-2004,2006,2008 Christophe GRENIER <grenier@cgsecurity.org>
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this software is free software; you can redistribute it and/or modify
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it under the terms of the gnu general public license as published by
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the free software foundation; either version 2 of the license, or
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(at your option) any later version.
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this program is distributed in the hope that it will be useful,
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but without any warranty; without even the implied warranty of
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merchantability or fitness for a particular purpose. see the
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gnu general public license for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write the Free Software Foundation, Inc., 51
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Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _SWAP_H
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#define _SWAP_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define PAGE_SIZE 0x1000 /* 4k page */
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#define PAGE_8K 0x2000 /* 8K page */
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union swap_header {
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struct
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{
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char reserved[PAGE_SIZE - 10];
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char magic[10];
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} magic;
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struct
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{
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char bootbits[1024]; /* Space for disklabel etc. */
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unsigned int version;
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unsigned int last_page;
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unsigned int nr_badpages;
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/* char volume_name[16]; */
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unsigned int padding[125];
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unsigned int badpages[1];
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} info;
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struct
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{
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char reserved[PAGE_8K- 10];
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char magic[10];
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} magic8k;
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};
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/*@
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@ requires \valid(disk_car);
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@ requires \valid(partition);
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@ requires separation: \separated(disk_car, partition);
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@ decreases 0;
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@*/
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int check_Linux_SWAP(disk_t *disk_car, partition_t *partition);
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/*@
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@ requires \valid_read(swap_header);
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@ requires \valid(partition);
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@ requires separation: \separated(swap_header, partition);
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@*/
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int recover_Linux_SWAP(const union swap_header *swap_header, partition_t *partition);
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#ifdef __cplusplus
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} /* closing brace for extern "C" */
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#endif
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#endif
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