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Re: strlen on a NULL


On 12 May 98 at 18:05, Ian Collins 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?


  This depends of the implementation of str* "family".

  In general one should NOT assume this "family" does accept ZERO 
pointer.  (From our experience of supporting 12 diff UNIX platforms, 
Win 95 /NT (Symantec ,MSVC) it is 50 % / 50 % ).

  Hope this helps ;-)
                Valery

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