Hi Morimoto-san,
On Mon, Sep 8, 2014 at 9:36 AM, Kuninori Morimoto
<[email protected]> wrote:
> > + buf8 = (u8 *)(buf + ((count - 1) >> 1));
>>
>> The "-1" is not really needed.
>
> This -1 is needed.
>
> We want to have...
> count - offset
> 1 0
> 2 0
> 3 1
> 4 1
> ...
If count is even, we never get that far, so the even numbers should not
be present in your table above?
If count is odd, "(count - 1) >> 1 == count >> 1".
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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