Wireshark-dev: [Wireshark-dev] Asn2wrs problem
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From: Tapas Chatterjee <tapas.chatterjee@xxxxxxxxxxx>
Date: Wed, 20 May 2009 16:44:42 +0530

Hi All,

I have faced some problem during modifying the dissector body which is generated by

Asn2wrs compiler.My problem is as mentioned below.

The IE filed  description in the .asn file are

IntraDomainNasNodeSelector ::=                  SEQUENCE {

    version                                     CHOICE {

       release99                                   SEQUENCE {

           cn-Type                                     CHOICE {

               gsm-Map-IDNNS                               Gsm-map-IDNNS,

               ansi-41-IDNNS                               Ansi-41-IDNNS

           }

       },

       later                                       SEQUENCE {

           futurecoding                                BIT STRING (SIZE (15))

       }

    }

}

Here when .c file is generated the dissector code of the latter field look like

 

Int dissect_rua_T_later(tvbuff_t  *tvb _U_ ,int offset………..)

{

//Need to add some code here

Offset=dissect_per_sequence(tvb,offset,…..)

return offset;

}

 

I have modified the .cnf file as

#.FN_HDR later

//My part of code

#.END

But after run the command make copy_file in the generated .c file my part of the code

is not reflected. Could any one tell me what is the reason and how can I add my part of the code in the dissector?

BR,

Tapas

 


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