Hi again,
Thanks to Jeff this is working now.
Great. Hartmut
On Friday, 23. February 2001 16:10, you wrote:
> From: Hartmut Mueller [mailto:hartmut@xxxxxxxxxxxxxxxxx]
> Sent: Friday, February 23, 2001 8:09 AM
>
> > is it possible to refer to a boolean in a dissector call? Using the code
> > below results in the following error:
> >
> > packet-bacnet.c: In function `dissect_bacnet':
> > packet-bacnet.c:473: `bacnet' undeclared (first use in this function)
> >
> > in packet-bacnet.c: --------------
> > if (!dissector_try_port(bacnet_dissector_table,
> > bacnet.control_net, next_tvb, pinfo, tree)) { /* line 473 */
> > dissect_data(next_tvb, offset, pinfo, tree);
[...]
>
> The second parameter to the dissector_try_port is a guint32. You can
> use a boolean value, you just have to convert it to an guint32.
> Before this dissector_try_port call you have to extract this value
> from the packet data. A possible example for your code -
>
> guint8 bacnet_control_net;
>
> bacnet_control_net = guint8( tvb, offset, 1);
> or
> bacnet_control_net = guint8( tvb, offset, 1) & bac_control_net_mask;
>
> then the call would become -
>
> dissector_try_port(bacnet_dissector_table,
> if (!dissector_try_port(bacnet_dissector_table,
> bacnet_control_net, next_tvb, pinfo, tree)) { /* line 473 */
> dissect_data(next_tvb, offset, pinfo, tree);
>
>
> Jeff Foster
> jfoste@xxxxxxxxxxxx
>
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