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Re: strlen on a NULL
- To: Ian Collins <ian at kiwiplan dot co dot nz>
- Subject: Re: strlen on a NULL
- From: Fergus Henderson <fjh at cs dot mu dot OZ dot AU>
- Date: Wed, 13 May 1998 02:21:15 +1000
- Cc: gnuwin32 <gnu-win32 at cygnus dot com>
- References: <3557E6C4.EF2F27B3@kiwiplan.co.nz>
On 12-May-1998, Ian Collins <ian@kiwiplan.co.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@cs.mu.oz.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@128.250.37.3 | -- the last words of T. S. Garp.
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