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Fixed the usual multiplication overflow bug in an lseek() offset calculation.

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The scan for bad sectors was broken for offsets >= 4G on 32-bit systems.
This commit is contained in:
Bruce Evans 1997-12-11 07:27:06 +00:00
parent 65dafcf329
commit 484b65d5d8
1 changed files with 3 additions and 2 deletions
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5
usr.sbin/bad144/bad144.c
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@ -42,7 +42,7 @@ static const char copyright[] =
static char sccsid[] = "@(#)bad144.c 8.2 (Berkeley) 4/27/95";
#endif
static const char rcsid[] =
"$Id: bad144.c,v 1.13 1997/09/04 11:40:51 charnier Exp $";
"$Id: bad144.c,v 1.14 1997/12/11 07:12:10 bde Exp $";
#endif /* not lint */
/*
@ -144,7 +144,8 @@ bad_scan(argc, argv, dp, f, bstart, bend)
curr_sec,bend,(curr_sec*100/bend));
}
lseek(f, curr_sec * ss, L_SET);
if (lseek(f, (off_t)ss * curr_sec, SEEK_SET) < 0)
err(4, "lseek");
if ((n = read(f, buf, ss)) != ss) {
if (verbose)