Re: [PATCH] strcmp: fix overflow error

[Uwe Kleine-König]

Hello Linus,

On Tue, Nov 17, 2009 at 09:41:58AM -0800, Linus Torvalds wrote:
> On Tue, 17 Nov 2009, Uwe Kleine-König wrote:
> >
> > strcmp("\x01", "\xef") returns 18 but it should return something < 0.
> > The reason is that the variable holding the result of the subtraction is
> > too small and overflows.
> 
> No. The reason is that whoever wrote that function is a moron and doesn't 
> know the standard. And your fix is not correct _either_
OK, right.

Acked-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>

(BTW, this was already broken in 2.4.0, so I was unable to find out who
is the moron :-)

Best regards
Uwe

-- 
Pengutronix e.K.                              | Uwe Kleine-König            |
Industrial Linux Solutions                    | http://www.pengutronix.de/  |
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/