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Date:      Sun, 29 Dec 2002 11:20:38 -0500
From:      Mike Barcroft <mike@FreeBSD.org>
To:        Mark Murray <mark@grondar.za>
Cc:        Bruce Evans <bde@zeta.org.au>, Matthew Dillon <dillon@apollo.backplane.com>, current@FreeBSD.ORG, ia64@FreeBSD.ORG
Subject:   Re: ia64 tinderbox failure
Message-ID:  <20021229112038.D98334@espresso.q9media.com>
In-Reply-To: <20021229184137.C40787-100000@gamplex.bde.org>; from bde@zeta.org.au on Sun, Dec 29, 2002 at 06:51:07PM %2B1100
References:  <20021229004907.C98334@espresso.q9media.com> <20021229184137.C40787-100000@gamplex.bde.org>

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Bruce Evans <bde@zeta.org.au> writes:
> The correct fix is to unbreak getbsize() so that it takes an `int *' as its
> first arg like it used to.  The interface change and the above change
> just give a header length that is not directly usably by any of its users.
> The header length is what must be passed to printf in %*s formats; it
> should have type int since that is what printf takes; any bounds checking
> of it belongs in getbsize() (but in practice it is a small positive
> number since anything else would give preposterous formatting, so there
> is never a problem with its bounds).  Other users of getbsize() in the
> src tree but perhaps not ones in ports have been broken to match the
> interface breakage.  The usual breakage is to cast the size_t to int
> without checking bounds.

Agreed.  Not a single consumer actually wants a size_t and not all base
system uses have been "fixed" for the new interface (ls(1) for instance).
I'd like to see the interface restored and merged into RELENG_5_0 before
we introduce this mistake on the world.

Best regards,
Mike Barcroft

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