Re: [PATCH] Use NULL instead of integer 0 in security/selinux/

[Florian Weimer]

* Michael Buesch:

> Yes, I never understood the reason for this ugly
> #if defined(__cplusplus) here.
> It works, but is IMHO unneccessary.

It's necessary because in C++, (void *)0 is not implicitly converted
to other pointer types.  Having to write static_cast<T*>(NULL) is
certainly a bit too verbose.

There's also a C++ DR about this topic because people feel that there
should be a 0/NULL distinction for overloading.  But this is
completely irrelevant to C code.

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