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Date:      Mon, 31 Jan 2011 09:51:58 +0000
From:      Alexander Best <arundel@freebsd.org>
To:        Roman Divacky <rdivacky@freebsd.org>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: empty function macros
Message-ID:  <20110131095158.GC98011@freebsd.org>
In-Reply-To: <20110131075439.GA49765@freebsd.org>
References:  <20110130172941.GA10701@freebsd.org> <20110131075439.GA49765@freebsd.org>

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On Mon Jan 31 11, Roman Divacky wrote:
> no problem with this with clang :)

hmmmmm....so compiling the following code

int
main(int argc, char **argv)
{
if (1<2)
    ;
}

with clang -Werror code.c -o code works for you?

cheers.
alex

> 
> On Sun, Jan 30, 2011 at 05:29:41PM +0000, Alexander Best wrote:
> > hi there,
> > 
> > i noticed freebsd has a few of the following macros:
> > 
> > #define FUNC(sb)
> > 
> > when you do something like
> > 
> > if (cond)
> >     FUNC(i)
> > 
> > the compiler complains about an if statement with an empty body. any sensible
> > way of dealing with this issue?
> > 
> > i saw some reiserfs code which does the following to silence compilers:
> > 
> > #define FUNC(sb) do { } while (0)
> > 
> > cheers.
> > alex
> > 
> > -- 
> > a13x
> > _______________________________________________
> > freebsd-hackers@freebsd.org mailing list
> > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers
> > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"

-- 
a13x



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