(void)foo or __unused foo ?

[Poul-Henning Kamp]

In message <20120727125134.GA58187 at onelab2.iet.unipi.it>, Luigi Rizzo writes:

>A comment might be used to explain the intention in even more detail:
>
>	(void)foo;	/* unused on XyBSD and Babbage-OS */

Comments are noise which compilers and static checkers cannot and
should not examine.

The intent should be expressed where compilers and static checkers
can see it.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.