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To: Joao Carlos Mendes Luis <jonny@coppe.ufrj.br>
cc: phk@freebsd.org (Poul-Henning Kamp), cvs-committers@freebsd.org,
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Subject: Re: cvs commit: src/gnu/usr.bin/as/config atof-ieee.c src/gnu/usr.bin/ld/rtld rtld.c src/gnu/usr.bin/man/man man.c 
In-reply-to: Your message of "Thu, 18 Sep 1997 23:05:54 -0300."
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Date: Fri, 19 Sep 1997 11:44:57 +0930
From: Mike Smith <mike@smith.net.au>
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> #define quoting(Poul-Henning Kamp)
> //   Many places in the code NULL is used in integer context, where
> //   plain 0 should be used.  This happens to work because we #define
> //   NULL to 0, but is stylistically wrong and can cause problems
> //   for people trying to port bits of code to other environments.
> 
> Is there any problem in defining NULL to ((void *)0) ?
> 
> Sorry if I'm forgetting something stupid...

Only that this list is inhabited by countless C lawyers.  8)

The standard defines NULL quite explicitly.  Deviating from the 
standard is Bad.  0 -> NULL, but NULL !-> 0.

mike