Wireshark-dev: Re: [Wireshark-dev] Retrieving dissection result from another dissector
From: Richard Sharpe <[email protected]>
Date: Tue, 3 Jul 2018 08:27:31 -0700
On Tue, Jul 3, 2018 at 8:21 AM, Pascal Quantin <[email protected]> wrote:
> Hi Dario,
>
> Le mar. 3 juil. 2018 à 17:11, Dario Lombardo <[email protected]> a écrit :
>>
>> Actually I'm using the blob to pass data from the caller to the called. I
>> guess it's a design flow to re-use this blob to have data back...
>
>
> Simply add a parameter to your structure that is used to retrieve the output
> data from the sub dissector:
> struct {
>     gint input_param1;
>     guint32 input_param2;
>     gint output_param;
> } foo;
>
> As the data parameter is not const in call_dissector_with_data() it should
> work.

Yes. Once you have a large enough number of parameters to any function
anyway it becomes easier to pass in a pointer to a structure ...

-- 
Regards,
Richard Sharpe
(何以解憂?唯有杜康。--曹操)(传说杜康是酒的发明者)