From owner-cvs-all  Fri Jan  4 14:13:27 2002
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To: Dag-Erling Smorgrav <des@ofug.org>
Cc: Julian Elischer <julian@elischer.org>,
	Poul-Henning Kamp <phk@critter.freebsd.dk>,
	Stephen McKay <mckay@thehub.com.au>, John Baldwin <jhb@FreeBSD.org>,
	cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org,
	Julian Elischer <julian@FreeBSD.org>, Greg Lehey <grog@FreeBSD.org>
Subject: Re: cvs commit: src/share/man/man3 queue.3 
In-Reply-To: Your message of "04 Jan 2002 22:07:58 +0100."
             <xzpy9jdn7td.fsf@flood.ping.uio.no> 
Date: Fri, 04 Jan 2002 15:13:11 -0700
From: "Justin T. Gibbs" <gibbs@scsiguy.com>
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>--=-=-=
>
>"Justin T. Gibbs" <gibbs@scsiguy.com> writes:
>> Any foreach macro must test the termination condition.  If we decided
>> to define that the element pointer == NULL for a complete traversal, this
>> would be at most a single assignment within the the termination
>> conditional.
>
>Like the attached patch, you mean?

Sure.

Is the compiler smart enough to not bother testing the result
of the assignment?

--
Justin

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