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Date: Mon, 1 Mar 2004 23:47:19 +0100
From: Stefan Farfeleder <stefan@fafoe.narf.at>
To: Mark Murray <markm@freebsd.org>
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cc: current@freebsd.org
Subject: Re: NULL vs 0 vs 0L bikeshed time
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On Mon, Mar 01, 2004 at 09:58:28PM +0000, Mark Murray wrote:
> Stefan Farfeleder writes:
> > On Sun, Feb 29, 2004 at 03:46:35PM +0000, Mark Murray wrote:
> > 
> > > -#define        NULL    0L
> > > +#define        NULL    (0L)
> > 
> > What's the point of parenthesizing 0L?
> 
> Its two lexical elements. I got into the habit of doing that when a
> macro replacement bit me some years ago. It is a very unimportant part
> of the patch. :-)

While I agree that it's quite unimportant, I have to contradict you.
`OL' is a pp-number which is converted to an integer-constant in
translation phase 7 according to the C standard.  It always is a single
token.

Cheers,
Stefan