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Diffstat (limited to 'sbin/fdisk/mbr.h')
| -rw-r--r-- | sbin/fdisk/mbr.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/sbin/fdisk/mbr.h b/sbin/fdisk/mbr.h new file mode 100644 index 00000000000..049b8f854c4 --- /dev/null +++ b/sbin/fdisk/mbr.h @@ -0,0 +1,72 @@ + +/* $OpenBSD: mbr.h,v 1.1 1997/09/29 22:58:17 weingart 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Tobias Weingartner. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * 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 0x1B8 +#define MBR_PART_SIZE 0x10 +#define MBR_PART_OFF 0x1BE +#define MBR_NTSER_OFF 0x1B8 +#define MBR_SPARE_OFF 0x1BC /* Spare short, not used */ +#define MBR_SIG_OFF 0x1FE + + +/* MBR type */ +typedef struct _mbr_t { + unsigned char code[MBR_CODE_SIZE]; + unsigned long nt_serial; + unsigned short spare; + prt_t part[NDOSPART]; + unsigned short signature; +} mbr_t; + +/* Prototypes */ +void MBR_print_disk __P((char *)); +void MBR_print __P((mbr_t *)); +void MBR_parse __P((char *, mbr_t *)); +void MBR_make __P((mbr_t *, char *)); +int MBR_read __P((int, off_t, char *)); +int MBR_write __P((int, off_t, char *)); + +/* Sanity check */ +#include <machine/param.h> +#if (DEV_BSIZE != 512) +#error "DEV_BSIZE != 512, somebody better fix!" +#endif + +#endif _MBR_H + |