Re: BUGed to death

Jens Axboe (axboe@suse.de)
Tue, 15 Apr 2003 14:40:33 +0200


On Tue, Apr 15 2003, Dave Jones wrote:
> On Tue, Apr 15, 2003 at 02:31:34PM +0200, Jens Axboe wrote:
>
> > If you do that, you must audit every single BUG_ON to make sure the
> > expression doesn't have any side effects.
> >
> > BUG_ON(do_the_good_stuff());
>
> Sure, but such a construct looks really bad anyway.
> Relying on side-effects of whats essentially a debug macro
> sounds very dodgy.
>
> foo = do_the_good_stuff();
> BUG_ON (foo==baz)
>
> Would be a better way of expressing this.

Oh I agree, it wasn't an example of good code :). It still needs to be
audited though.

-- 
Jens Axboe

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