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/* $OpenBSD: mbr.h,v 1.12 2013/03/21 18:37:07 deraadt Exp $ */
/*
* Copyright (c) 1997 Tobias Weingartner
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _MBR_H
#define _MBR_H
#include "part.h"
/* Various constants */
#define MBR_CODE_SIZE 0x1BE
#define MBR_PART_SIZE 0x10
#define MBR_PART_OFF 0x1BE
#define MBR_SIG_OFF 0x1FE
/* MBR type */
typedef struct _mbr_t {
off_t reloffset;
off_t offset;
unsigned char code[MBR_CODE_SIZE];
prt_t part[NDOSPART];
unsigned short signature;
} mbr_t;
/* Prototypes */
void MBR_print_disk(char *);
void MBR_print(mbr_t *, char *);
void MBR_parse(disk_t *, char *, off_t, off_t, mbr_t *);
void MBR_make(mbr_t *, char *);
void MBR_init(disk_t *, mbr_t *);
int MBR_read(int, off_t, char *);
int MBR_write(int, off_t, char *);
void MBR_pcopy(disk_t *, mbr_t *);
/* Sanity check */
#include <sys/param.h>
#if (DEV_BSIZE != 512)
#error "DEV_BSIZE != 512, somebody better fix me!"
#endif
#endif /* _MBR_H */
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