On 9/21/13 1:35 AM, Andreas Schwab wrote:
> Daniel Colascione <dancol@dancol.org> writes:
> 
>> On 9/21/13 12:36 AM, Andreas Schwab wrote:
>>> Also, the return type should be EMACS_INT,
>>> not ptrdiff_t.
>>
>> Well, vector_nbytes works with ptrdiff_t, and the allocation code works
>> in EMACS_INT.  I'm not sure the distinction actually matters in this case.
> 
> ptrdiff_t may be smaller than EMACS_INT.

We'll never overflow when we look at an already-allocated object --- but
we _can_ overflow in the initial allocation calculation. I'll fix it.
Thanks.