From: Bernd Eggink <eggink@uni-hamburg.de>
To: Andrej Borsenkow <borsenkow.msk@sni.de>
Cc: Sven Wischnowsky <wischnow@informatik.hu-berlin.de>,
zsh-workers@sunsite.auc.dk
Subject: Re: 0 vs. NULL (RE: Worrisome warnings after recent patches)
Date: Thu, 04 Mar 1999 09:42:52 +0100 [thread overview]
Message-ID: <36DE478C.2F17DA58@uni-hamburg.de> (raw)
In-Reply-To: <000901be6619$6f8a6930$21c9ca95@mowp.siemens.ru>
Andrej Borsenkow wrote:
>
> > + Cline to, tn = NULL;
>
> What is the point of using NULL to initialize null pointer. The only
> portable and official way is to use `0'(zero), that is garanteed to be
> converted to whatever representation null pointer has on a given system.
No, this applies to C++ only, not to C. In C you should use the NULL
macro or (void*)0.
Bernd
--
Bernd Eggink
Regionales Rechenzentrum der Uni Hamburg
eggink@rrz.uni-hamburg.de
http://www.rrz.uni-hamburg.de/eggink/BEggink.html
next prev parent reply other threads:[~1999-03-04 8:44 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-03-04 7:50 Worrisome warnings after recent patches Sven Wischnowsky
1999-03-04 8:31 ` 0 vs. NULL (RE: Worrisome warnings after recent patches) Andrej Borsenkow
1999-03-04 8:42 ` Bernd Eggink [this message]
1999-03-04 10:35 ` Bruce Stephens
1999-03-04 10:42 Sven Wischnowsky
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