[C++ patch] accept __null as sentinel

[Gabriel Dos Reis]

Michael Matz <matz@suse.de> writes:

| > I also thought that stylistically C++ programmers would generally be
| > more careful about including casts and would expect to need them here.
| 
| You couldn't be more wrong I fear.  The casual C++ programmer (and for
| that matter C programmer) knows absolutely nothing about the difference of
| a null pointer constant and a null pointer.  And even less of them know
| that NULL in C++ is only a null pointer constant.

The issue is so that it triggered an extension (for C++0x) to consider
nullptr 

   http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2003/n1488.pdf

At least that gives an idea about what (some) C++ programmers think
the null pointer is written.


-- Gaby