[PATCH 3/3] configure: Use 0 instead of NULL because NULL isn't defined.

[Michael Stefaniuc]

Ken Thomases wrote:
> On Oct 19, 2007, at 5:24 PM, Stefan Dösinger wrote:
> 
>> Am Freitag, 19. Oktober 2007 23:18:51 schrieb Ken Thomases:
>>> This makes the test test the proper thing on Mac OS X.  It still  
>>> fails, but
>>> for a good reason.
>>> ---
>>>   configure.ac |    6 +++---
>>>   1 files changed, 3 insertions(+), 3 deletions(-)
>>> -    char *name=NULL;
>>> +    char *name=0;
>> Shouldn't that be (void *) 0 or (char *) 0?
>>
> 
> I don't think that's necessary.  It compiled without warning here,  
> even with -Wall.  Doesn't the C standard says that 0 casts to a  
Actually it's not a cast. It's a heuristic that the compiler has to make
to detect a NULL pointer. The best heuristic for this is (char *) 0.
This is a limitation of the C language to not have NULL as integral part
of the language.

> pointer naturally?  Maybe that's C++.

bye
	michael
-- 
Michael Stefaniuc               Tel.: +49-711-96437-199
Sr. Network Engineer            Fax.: +49-711-96437-111
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