[unix-history] / usr / src / sys / hp300 / hp300 / dkbad.c

/*
 * Copyright (c) 1982, 1986, 1990, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *	@(#)dkbad.c	8.1 (Berkeley) %G%
 */

#ifndef NOBADSECT
#include <sys/param.h>
#include <sys/buf.h>
#include <sys/dkbad.h>

/*
 * Search the bad sector table looking for
 * the specified sector.  Return index if found.
 * Return -1 if not found.
 */

isbad(bt, cyl, trk, sec)
	register struct dkbad *bt;
{
	register int i;
	register long blk, bblk;

	blk = ((long)cyl << 16) + (trk << 8) + sec;
	for (i = 0; i < 126; i++) {
		bblk = ((long)bt->bt_bad[i].bt_cyl << 16) + bt->bt_bad[i].bt_trksec;
		if (blk == bblk)
			return (i);
		if (blk < bblk || bblk < 0)
			break;
	}
	return (-1);
}
#endif
Commit	Line	Data
88a7e859	1	/*
921517e8 KB	2	* Copyright (c) 1982, 1986, 1990, 1993
921517e8 KB	3	* The Regents of the University of California. All rights reserved.
88a7e859 KM	4	*
	5	* %sccs.include.redist.c%
	6	*
921517e8	7	* @(#)dkbad.c 8.1 (Berkeley) %G%
88a7e859 KM	8	*/
	9
	10	#ifndef NOBADSECT
38a01dbe KB	11	#include <sys/param.h>
	12	#include <sys/buf.h>
	13	#include <sys/dkbad.h>
88a7e859 KM	14
	15	/*
	16	* Search the bad sector table looking for
	17	* the specified sector. Return index if found.
	18	* Return -1 if not found.
	19	*/
	20
	21	isbad(bt, cyl, trk, sec)
	22	register struct dkbad *bt;
	23	{
	24	register int i;
	25	register long blk, bblk;
	26
	27	blk = ((long)cyl << 16) + (trk << 8) + sec;
	28	for (i = 0; i < 126; i++) {
	29	bblk = ((long)bt->bt_bad[i].bt_cyl << 16) + bt->bt_bad[i].bt_trksec;
	30	if (blk == bblk)
	31	return (i);
	32	if (blk < bblk \|\| bblk < 0)
	33	break;
	34	}
	35	return (-1);
	36	}
	37	#endif