From: fjh AT cs DOT mu DOT OZ DOT AU (Fergus Henderson)
Subject: Re: strlen on a NULL
12 May 1998 20:28:38 -0700
Message-ID: <19980513022115.10237.cygnus.gnu-win32@murlibobo.cs.mu.OZ.AU>
References: <3557E6C4 DOT EF2F27B3 AT kiwiplan DOT co DOT nz>
Mime-Version: 1.0
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To: Ian Collins <ian AT kiwiplan DOT co DOT nz>
Cc: gnuwin32 <gnu-win32 AT cygnus DOT com>

On 12-May-1998, Ian Collins <ian AT kiwiplan DOT co DOT nz> wrote:
> If I do a strlen on a NULL pointer I get a coredump.
> I have the same code running on a few *other* Unix machines with
> exhibiting this behaviour.
> OK, so I could tidy it up, but I wondered is this an oversight or the
> correct behaviour?

`strlen(NULL)' has UNDEFINED behaviour, so anything is correct.
A core dump is helpful as well as being correct.

You should fix your code.

-- 
Fergus Henderson <fjh AT cs DOT mu DOT oz DOT au>  |  "I have always known that the pursuit
WWW: <http://www.cs.mu.oz.au/~fjh>  |  of excellence is a lethal habit"
PGP: finger fjh AT 128 DOT 250 DOT 37 DOT 3        |     -- the last words of T. S. Garp.
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