From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alexandre Oliva <aoliva@redhat.com>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Marc Espie <espie@quatramaran.ens.fr>, gcc@gcc.gnu.org
Subject: Re: GCC headers and DJGPP port (OT)
Date: Sun, 23 Jul 2000 19:09:00 -0000
Message-id: <or1z0kz3bq.fsf@guarana.lsd.ic.unicamp.br>
References: <Pine.LNX.4.10.10007231152030.1760-100000@penguin.transmeta.com>
X-SW-Source: 2000-07/msg00747.html

On Jul 23, 2000, Linus Torvalds <torvalds@transmeta.com> wrote:

> Basically I was just wondering why in the world gcc couldn't just
> recognize the "((void *)0)" construct as equivalent to the new
> __null?

Because then we wouldn't be able to warn about the potential mis-use
of NULL in a code snippet like:

void foo(void *);
void foo(char *);
void foo(int);
void foo(long);
...
  foo(NULL);

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                  aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist    *Please* write to mailing lists, not to me