Re: Fix empty macros in acpi.

From: Dave Jones
Date: Tue Jun 12 2007 - 20:21:59 EST

On Wed, Jun 13, 2007 at 01:00:29AM +0100, Al Viro wrote:
> On Tue, Jun 12, 2007 at 07:33:09PM -0400, Dave Jones wrote:
> > +#define DBG(x...) do { } while(0)
> Eh... Please, stop it - if you want a function-call-like no-op returning void,
> use ((void)0). At least that way one can say DBG(....),foo(), etc.

They both end up compiled to nothing anyway, so I'm not bothered
either way.. I'm not sure I follow why the syntax of that last part
is a good thing. It looks like something we'd want to avoid rather
than promote?


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