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Re: Set operations on bool-vectors
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From: |
Daniel Colascione |
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Subject: |
Re: Set operations on bool-vectors |
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Date: |
Sat, 21 Sep 2013 01:49:48 -0700 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:17.0) Gecko/20130801 Thunderbird/17.0.8 |
On 9/21/13 1:35 AM, Andreas Schwab wrote:
> Daniel Colascione <address@hidden> 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.
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