Mailing-List:	contact cygwin-developers-help AT cygwin DOT com; run by ezmlm
List-Subscribe:	<mailto:cygwin-developers-subscribe AT cygwin DOT com>
List-Archive:	<http://sources.redhat.com/ml/cygwin-developers/>
List-Post:	<mailto:cygwin-developers AT cygwin DOT com>
List-Help:	<mailto:cygwin-developers-help AT cygwin DOT com>, <http://sources.redhat.com/ml/#faqs>
Sender:	cygwin-developers-owner AT cygwin DOT com
Delivered-To:	mailing list cygwin-developers AT cygwin DOT com
Message-ID:	<3C7426A3.2FDF07F2@yahoo.com>
Date:	Wed, 20 Feb 2002 17:43:47 -0500
From:	Earnie Boyd <earnie_boyd AT yahoo DOT com>
Reply-To:	Earnie Boyd <Cygwin-Developers AT cygwin DOT com>
X-Mailer:	Mozilla 4.77 [en] (WinNT; U)
X-Accept-Language:	en
MIME-Version:	1.0
To:	cygwin-developers AT cygwin DOT com
Subject:	Re: null parameters to functions
References:	<01c901c1ba5b$e3dee330$0200a8c0 AT lifelesswks> <20020220222124 DOT GD3196 AT redhat DOT com>

Christopher Faylor wrote:
> 
> On Thu, Feb 21, 2002 at 09:13:56AM +1100, Robert Collins wrote:
> >Remembering all the effort that went into sanitising various userland
> >function parameters a few months ago... newlib suffers from similar
> >flaws (I just noticed one with strcmp (0, foo);).
> >
> >Is this something worth fixing?
> 
> Agh.  How does linux handle this?  Doe sit return EADDR or something?
> 

IIRC, it's not an error in Linux land or most *nixes for that matter. 
It OS dependent on how addressing a null pointer is handled.  Looking at
the man page from HPUX 11 it says that null pointer values are treated
as empty strings.

Earnie.

_________________________________________________________
Do You Yahoo!?
Get your free @yahoo.com address at http://mail.yahoo.com

- Raw text -