Ethereal-dev: Re: [Ethereal-dev] Questions: Style, and one technical

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From: Jason House <jhouse@xxxxxxxxx>
Date: Fri, 27 Sep 2002 09:45:50 -0400
I was under the impression that filtering actually passed in a non-null tree if
there are filter expressions such udp.length  (and protocol names like udp use
tree=NULL, because the code to update the protocol column will handle that just
fine.  The proto_tree is the only place where the filter expressions (non
protocol name) are ever passed to the core of ethereal.

Ronnie Sahlberg wrote:

> You should ALWAYS do a dissection.
> You may skip creating the subtree item if tree is NULL but you should still
> dissect all
> fields.
> Othervise, filtering will not work properly.
>
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