Re: CVS commit: src/sys/sys

[Alistair Crooks <agc%pkgsrc.org@localhost>]

On Wed, Oct 16, 2013 at 03:31:43PM -0400, Christos Zoulas wrote:
> Module Name:  src
> Committed By: christos
> Date:         Wed Oct 16 19:31:43 UTC 2013
> 
> Modified Files:
>       src/sys/sys: cdefs.h
> 
> Log Message:
> introduce __USE(variable) that uses a variable to squash unused variable
> warnings.
> [...]
>  
> +#define __USE(a) ((void)(a))

I've long been using a macro like:

#define USE_ARG(x)     /*LINTED*/(void)&(x)

to get rid of unused arg warnings, after a conversation between dsl
and others (I think) on one of our lists.

Regards,
Al