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Date:      Mon, 4 May 1998 06:40:01 -0700 (PDT)
From:      dag-erli@ifi.uio.no (Dag-Erling Coidan =?iso-8859-1?Q?Sm=F8rgrav?= )
To:        freebsd-bugs@FreeBSD.ORG
Subject:   Re: bin/6509: 64bit offset support in dd
Message-ID:  <199805041340.GAA16974@freefall.freebsd.org>

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The following reply was made to PR bin/6509; it has been noted by GNATS.

From: dag-erli@ifi.uio.no (Dag-Erling Coidan =?iso-8859-1?Q?Sm=F8rgrav?= )
To: luoqi@chen.ml.org
Cc: FreeBSD-gnats-submit@FreeBSD.ORG
Subject: Re: bin/6509: 64bit offset support in dd
Date: 04 May 1998 15:33:39 +0200

 Luoqi Chen <luoqi@chen.ml.org> writes:
 > 	Currently dd doesn't allow offset to be greater than INT_MAX
 > 	(2G for i386). This means on disks larger than 2G (which by the
 > 	way are true for almost all new disks sold nowadays) a substantial
 > 	portaion of the disk blocks are unreachable through dd. This patch
 > 	raises the limit to QUAD_MAX (2^63).
 
 Unfortunately, this is wrong, because it assumes that OFF_T is a quad,
 which it may or may not be. The Right Way is to define OFF_T_MAX and
 use that.
 
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