From: Andreas Schwab <schwab@suse.de>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Rolf Eike Beer <eike-kernel@sf-tec.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [2.4.23-pre3] Possible bug in fs/buffer.c
Date: Mon, 08 Sep 2003 18:04:45 +0200 [thread overview]
Message-ID: <jellsztgf6.fsf@sykes.suse.de> (raw)
In-Reply-To: <1063036721.21084.55.camel@dhcp23.swansea.linux.org.uk> (Alan Cox's message of "Mon, 08 Sep 2003 16:58:42 +0100")
Alan Cox <alan@lxorguk.ukuu.org.uk> writes:
> On Llu, 2003-09-08 at 16:42, Andreas Schwab wrote:
>> It's neither ugly, nor bogus. The only 100% reliable way to assign the
>> maximum value to an unsigned integer is to use -1.
>
> Its not 100% reliable either 8).
Could you please elaborate? Casting -1 to an unsigned type is guaranteed
to yield the maximum value for that type, at least since C89, but I think
even K&R C did get it right.
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux AG, Deutschherrnstr. 15-19, D-90429 Nürnberg
Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2003-09-08 16:04 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-08 15:15 Rolf Eike Beer
2003-09-08 15:42 ` Andreas Schwab
2003-09-08 15:58 ` Alan Cox
2003-09-08 16:04 ` Andreas Schwab [this message]
2003-09-08 22:13 ` J.A. Magallon
2003-09-09 0:53 ` Alan Cox
2003-09-09 13:39 ` Rolf Eike Beer
2003-09-08 16:12 ` Rolf Eike Beer
2003-09-09 0:52 ` Alan Cox
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