Wireshark-dev: Re: [Wireshark-dev] Data not getting formatted for custom columns added
From: Martin Kaiser <lists@xxxxxxxxx>
Date: Sat, 3 Mar 2012 17:46:59 +0100
Thus wrote ashish goel (ashish.kumar.goel1@xxxxxxxxx):

> I have defined some custom columns through preferences -> Columns. and I
> want the data of these columns to be formatted as strings not raw bytes.
> I have used VALS() function in my dissector code while registering fields
> and it is working fine in the packet details window but in the columns the
> data is not formatted.

have a look at packet-dvbci.c, search for val_to_str_const() and
col_add_str()

is this what you need?