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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: Mumit Khan <khan at xraylith dot wisc dot edu>
- Date: Tue, 12 May 1998 10:17:58 -0500
- Cc: gnuwin32 <gnu-win32 at cygnus dot com>
Ian Collins <ian@kiwiplan.co.nz> writes:
> 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?
This is correct behaviour. Passing NULL as an arg to str* functions that
expect a string, with the exception of those that are documented to accept
NULL explicitly such a strtrok, is incorrect.
Fix your code.
Mumit
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