linux-kernel - Re: [PATCH] BUILD_BUG_ON_ZERO -> BUILD_BUG_OR

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Message-ID: <45F53C4D.30802@s5r6.in-berlin.de>
Date:	Mon, 12 Mar 2007 12:41:01 +0100
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	Rusty Russell <rusty@...tcorp.com.au>
CC:	Jan Beulich <jbeulich@...ell.com>, Andi Kleen <ak@....de>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] BUILD_BUG_ON_ZERO -> BUILD_BUG_OR_ZERO

Rusty Russell wrote:
> On Mon, 2007-03-12 at 08:23 +0000, Jan Beulich wrote:
>> I have to admit that I don't see the point here - I can't seem to make
>> any sense of the OR... Jan
> 
> At least one other person thought that:
> 
> 	#define BUILD_BUG_ON_ZERO(e) BUILD_BUG_ON((e) == 0)
> 
> OTOH, BUILD_BUG_OR_ZERO says what happens: either it's a build bug, or
> it's zero.

What about ZERO_UNLESS_BUILD_BUG_ON(e)? It's long though...
-- 
Stefan Richter
-=====-=-=== --== -==--
http://arcgraph.de/sr/
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