[unix-history] / sys / dev / dkbad.c

/*	dkbad.c	4.3	81/05/10	*/

#ifndef NOBADSECT
#include "../h/param.h"
#include "../h/buf.h"
#include "../h/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
3ed58c59 C	1	/* dkbad.c 4.3 81/05/10 */
	2
	3	#ifndef NOBADSECT
	4	#include "../h/param.h"
	5	#include "../h/buf.h"
	6	#include "../h/dkbad.h"
	7
	8	/*
	9	* Search the bad sector table looking for
	10	* the specified sector. Return index if found.
	11	* Return -1 if not found.
	12	*/
	13
	14	isbad(bt, cyl, trk, sec)
	15	register struct dkbad *bt;
	16	{
	17	register int i;
	18	register long blk, bblk;
	19
	20	blk = ((long)cyl << 16) + (trk << 8) + sec;
	21	for (i = 0; i < 126; i++) {
	22	bblk = ((long)bt->bt_bad[i].bt_cyl << 16) + bt->bt_bad[i].bt_trksec;
	23	if (blk == bblk)
	24	return (i);
	25	if (blk < bblk \|\| bblk < 0)
	26	break;
	27	}
	28	return (-1);
	29	}
	30	#endif