Wireshark-dev: Re: [Wireshark-dev] Dissector for stream data
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From: Guy Harris <guy@xxxxxxxxxxxx>
Date: Sun, 25 Dec 2011 13:06:27 -0800
On Dec 25, 2011, at 12:45 PM, Guy Harris wrote:

> What Wireshark does *NOT* do is pass a non-null protocol tree pointer to the dissector when loading a capture file;

Or, more correctly, what Wireshark does *NOT* do is *guarantee* that the protocol tree pointer passed to the dissector when loading a capture file is non-null.  It *might* be, but any dissector that fails to work correctly if the pointer is null in that case has a bug.