"Tomasz Kupczyk" <[email protected]> a écrit:
> When is NULL not necessarily correct? I suppose it's better to read
> some rationale why nullptr is introduced :)
For instance:
#define NULL (void*)0
void foo(const char*);
void
bar()
{
foo(NULL);
}
The GNU C compiler compiles this just fine, whereas the GNU C++ compiler
does not, because you can't cast a void* into a char*.
This is a case of a valid C definition of NULL, which is not valid in
C++.
--
Dodji
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