Wireshark-dev: Re: [Wireshark-dev] packet-ieee802154.c compilation error

From: "Maynard, Chris" <Christopher.Maynard@xxxxxxxxx>
Date: Tue, 2 Sep 2008 19:05:39 -0400

I suppose as a last resort you could also try:

else {
    guint16 tmp = ieee802154_crc_tvb(tvb, tvb_reported_length(tvb)-IEEE802154_FCS_LEN);
            fcs_ok = (fcs == tmp);
}

> -----Original Message-----
> From: wireshark-dev-bounces@xxxxxxxxxxxxx [mailto:wireshark-dev-
> bounces@xxxxxxxxxxxxx] On Behalf Of Maynard, Chris
> Sent: Tuesday, September 02, 2008 7:01 PM
> To: Developer support list for Wireshark
> Subject: Re: [Wireshark-dev] packet-ieee802154.c compilation error
> 
> Hmm, how about
> #define IEEE802154_CRC_XOROUT   0x0000FFFFUL
> 
> Then cast away any warnings you might get.  That *should* prevent the
> compiler from turning the xor operation into a 1's complement operation,
> and hopefully get rid of the warning.
> 
> > -----Original Message-----
> > From: wireshark-dev-bounces@xxxxxxxxxxxxx [mailto:wireshark-dev-
> > bounces@xxxxxxxxxxxxx] On Behalf Of Jaap Keuter
> > Sent: Tuesday, September 02, 2008 6:35 PM
> > To: Developer support list for Wireshark
> > Subject: Re: [Wireshark-dev] packet-ieee802154.c compilation error
> >
> > Hi Didier,
> >
> > Tried it just now, but sorry, still the same error.
> >
> > Thanx,
> > Jaap
> >
> > didier wrote:
> > > Le mardi 02 septembre 2008 à 17:28 -0400, Maynard, Chris a écrit :
> > >> What about modifying the macro itself?
> > >>
> > >> #define ieee802154_crc_tvb(tvb, offset)
> > >> ((guint16)(crc16_ccitt_tvb_seed(tvb, offset, IEEE802154_CRC_SEED) ^
> > >> IEEE802154_CRC_XOROUT))
> > > Maybe
> > > #define IEEE802154_CRC_XOROUT   0xFFFFU
> > >
> > > Didier
> > >
> >
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