Wireshark-dev: Re: [Wireshark-dev] Query Regarding debugging
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From: Richard van der Hoff <richardv@xxxxxxxxxxxxx>
Date: Mon, 13 Aug 2007 15:49:53 +0100
Luis EG Ontanon wrote:

putting some printfs is possible (there are some issues on why you
might want to avoid it during protocol registration) but the Access
Violation is probably due to a NULL or ivalid pointer passed to
printf.
[Dissector bug...] implies a wireshark-internal exception, does it not? (As opposed to a segfault.)
Most likely thing is that it's not the printf at all, but a tvb_* function you are also calling, with bad arguments.