linux-kernel - Re: New filesystem for Linux

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Message-ID: <p73r6wkjqac.fsf@verdi.suse.de>
Date:	03 Nov 2006 20:14:51 +0100
From:	Andi Kleen <ak@...e.de>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Andrew Morton <akpm@...l.org>,
	Mikulas Patocka <mikulas@...ax.karlin.mff.cuni.cz>,
	Gabriel C <nix.or.die@...glemail.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: New filesystem for Linux

Alan Cox <alan@...rguk.ukuu.org.uk> writes:

> Ar Gwe, 2006-11-03 am 17:14 +0000, ysgrifennodd Oleg Verych:
> > In gmane.linux.kernel, you wrote:
> > []
> > > From: Andrew Morton <akpm@...l.org>
> > >
> > > As Mikulas points out, (1 << anything) won't be evaluating to zero.
> > 
> > How about integer overflow ?
> 
> That is undefined in C and for some cases will not produce zero but roll
> anything%32 bits and the like. If anyone is relying on 1 << foo becoming
> zero they need fixing

Vaxen will throw an exception.

-Andi
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