Wireshark · Ethereal-dev: Re: [Ethereal-dev] allowing (sub-)dissector to know preferences of anotherdissector?

[Jeff Morriss <jeff.morriss@xxxxxxxxxxx>]

Guy Harris wrote:
> 
> > Any thoughts on whether a dissector (say, ISUP) should be able to know
> > the preferences settings of another dissector (say, MTP3)?  There
> > doesn't seem to be any mechanism (short of making the preference
> > variable in MTP3 non-static and extern'ing it from ISUP, which I imagine
> > won't fly)
> 
> It'll fly technically; is the "won't fly" concern that it may not be
> obvious to the user that an MTP3 option is the way to control the
> behavior of other protocols?

Actually, I just figured someone would come hunt me down for putting a
non-static variable in a dissector and referencing it from another
dissector.  ;)

If it's okay (approved) to do it this way, it's probably the easist and
clearest way...

> If so, another option might be to use "prefs_register_module()" to
> create a preferences module with a name that's *not* the name of a
> particular protocol, register preferences under that, and make the
> variables controlled by those preferences global.

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