On Aug 21, 2006, at 10:34 AM, Thomas Wouters wrote:

>
> Is there a simple automated way to detect situations like this? Maybe
> there is a win64 compiler that would generate a warning.
>
> I doubt it. Explicit casts are meant to silence warnings (among  
> other things.) Warning for all casts is bound to generate quite a  
> lot of warnings.
>

There are also cases of implicit casts like this  that were not  
caught so far:

static Py_ssize_t
mmap_buffer_getreadbuf(mmap_object *self, Py_ssize_t index, const  
void **ptr)
{
  ...
         return self->size;
}

static Py_ssize_t
mmap_buffer_getwritebuf(mmap_object *self, Py_ssize_t index, const  
void **ptr)
{
...
         return self->size;
}

I don't have any system with sizeof(size_t) != sizeof(long), but it  
maybe worth the effort to review the warnings on such system.


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