From: jcoffin{at}taeus.com
To: c_echo{at}yahoogroups.com

At 02:26 PM 9/10/2003 +0100, you wrote:

[ ... ]

>NULL will always be zero... until it's not. :-)

There is no reason to believe that the committee will redefine NULL to mean
something other than zero.

>Seriously, there maybe an architecture some day that addresses memory in
>such a day where 0 is a preferrable heap address, so NULL would need to be
>defined as -1 or some other illegal heap address.
>
>So, when testing pointers, don't use boolean tests, always test for
>==/!=NULL.

Nonsense -- this gains nothing in terms of future-proofing your
code.  There's just as much chance that the committee will decide to change
the definition of  "==" or "!=" as there is that
they'll change the
definition of NULL.
         Later,
         Jerry.

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