Hi,

On Sat, Jul 28, 2012 at 6:14 PM, Bjoern A. Zeeb
<bzeeb-li...@lists.zabbadoz.net> wrote:
> On Wed, 25 Jul 2012, Luigi Rizzo wrote:
>
>> During some ipfw/dummynet cleanup i noticed that the libkern version of
>> inet_ntoa_r() is missing the buffer size argument that is present in
>> the libc counterpart.
>>
>> Any objection if i fix it ?
>
>
> And why exactly would you need it?  What does libc do with it?  Render
> partial IPv4 addresses?
>
Mitigate possibilities of memory corruption ? At the very least, allow
the following:

{
    char tmp[sizeof "255.255.255.255"];

    KASSERT(size >= (sizeof tmp));
    [...]
}

to be enforced... but hey, who gives a damn about consistently doing
things and enforcing code assumptions ? ;-)

 - Arnaud

> --
> Bjoern A. Zeeb                                 You have to have visions!
>          Stop bit received. Insert coin for new address family.
>
> _______________________________________________
> freebsd-current@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
_______________________________________________
freebsd-current@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-current
To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"

Reply via email to