DragonFly commits List (threaded) for 2005-03
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Re: cvs commit: src/sbin/route route.c
On Tue, 15 Mar 2005 21:10:07 -0800
Chris Pressey <cpressey@xxxxxxxxxxxxxxx> wrote:
> On Wed, 16 Mar 2005 05:56:34 +0100
> Joerg Sonnenberger <joerg@xxxxxxxxxxxxxxxxx> wrote:
>
> > On Tue, Mar 15, 2005 at 08:47:01PM -0800, Chris Pressey wrote:
> > >
> > > - start at sa_data, end at sa + sa_len (NOT sa_data + sa_len);
> > > - don't make assumptions about the size of u_short.
> >
> > Actually this code this makes assumptions :)
>
> Would uint16_t be preferable here?
>
> > I think it should be:
> > splim = (u_short *)sa +
> > (sa->sa_len - offsetof(sa->sa_data)) / sizeof(u_short);
>
> I think that should be
>
> splim = (u_short *)sa->sa_data +
> (sa->sa_len - offsetof(sa->sa_data)) / sizeof(u_short);
>
> but that'd be the same as the thing I committed, just longer.
(With the exception of the "+ 1", which AFAICT is there so that the
division by sizeof(u_short) (or ">> 1" in the old version) doesn't cut
off the last short if sa_len is odd...)
-Chris
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