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Fix overflow in df on big partitions' raw device.

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Supplied by Greg Oster, problem noted in OpenBSD PR#924.
This commit is contained in:
hubertf 1999-09-24 13:35:21 +00:00
parent 14b5ecf789
commit 8f48378bc3
1 changed files with 3 additions and 3 deletions
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6
bin/df/df.c
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@ -1,4 +1,4 @@
/* $NetBSD: df.c,v 1.32 1999/07/27 12:13:19 sommerfeld Exp $ */
/* $NetBSD: df.c,v 1.33 1999/09/24 13:35:21 hubertf Exp $ */
/*
* Copyright (c) 1980, 1990, 1993, 1994
@ -49,7 +49,7 @@ __COPYRIGHT(
#if 0
static char sccsid[] = "@(#)df.c 8.7 (Berkeley) 4/2/94";
#else
__RCSID("$NetBSD: df.c,v 1.32 1999/07/27 12:13:19 sommerfeld Exp $");
__RCSID("$NetBSD: df.c,v 1.33 1999/09/24 13:35:21 hubertf Exp $");
#endif
#endif /* not lint */
@ -412,7 +412,7 @@ ufs_df(file, sfsp)
sfsp->f_blocks = sblock.fs_dsize;
sfsp->f_bfree = sblock.fs_cstotal.cs_nbfree * sblock.fs_frag +
sblock.fs_cstotal.cs_nffree;
sfsp->f_bavail = (sblock.fs_dsize * (100 - sblock.fs_minfree) / 100) -
sfsp->f_bavail = ((int64_t)sblock.fs_dsize * (100 - sblock.fs_minfree) / 100) -
(sblock.fs_dsize - sfsp->f_bfree);
if (sfsp->f_bavail < 0)
sfsp->f_bavail = 0;