[cairo] Inline functions changing their arguments

[André Tupinambá]

Hi Soren,

Looks fine to me, but I don't know if exists other places with the
same problem. I'll check it, ok?

Regards,

André Tupinambá

On Tue, Sep 9, 2008 at 12:09 PM, Soeren Sandmann <sandmann at daimi.au.dk> wrote:
> Hi André,
>
> It turns out that passing pointers to the inline functions means they
> can actually change their arguments, and over_2x128() does actually
> change its alpha arguments, which is a problem in the case where alpha
> is constant. See bug 17477.
>
> Does this patch looks right to youj, and do you know if we might have
> the same problem in other places?
>
> Thanks,
> Søren
>
>