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Date: Tue, 19 Nov 2002 12:30:21 +0100
From: Giacomo Catenazzi <cate@debian.org>
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To: Robert Love <rml@tech9.net>
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Subject: Re: [patch] ALSA compiler warnings fixes
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> +#define snd_power_unlock(card)		do { (void)(card); } while (0)



Why do we use in kernel:
	do { (void)(foobar); } while (0)
instead of the simpler and normally used in std files (e.g. assert.h):
	((void)(foobar),0)
?

The "do while(0)" is used for multi-statment macros, not the case for
void statment!

ciao
	giacomo

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