Wireshark-dev: Re: [Wireshark-dev] Patch to airpcap_loader that produces a modal dialog with ga
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From: Jeff Morriss <jeff.morriss@xxxxxxxxxxx>
Date: Fri, 30 Mar 2007 15:44:30 +0800


Peter Johansson wrote:

    I compiled Wireshark with HAVE_AIRPDCAP by mistake (since I do not
    have AirPcap). This leads to a runtime problem however. When
    choosing "options" from the "Capture interfaces" dialog, I receive a
    modal dialogue with an OK button with a textual description that is
    only garbage (uninitialized memory).

    The provided patch adds a new error - AIRPCAP_NOT_LOADED (2) code to
    the airpcap loader that also adds the text "AirPcap was expected to
    be loaded but is not" to the modal dialogue instead of the
    uninitialized string.


Hmm, I think you found the problem of bug 1377:

http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=1377
Having a quick look, though, I am a bit confused because it doesn't appear anybody ever allocates any space for 'err_str' before calling though maybe I'm missing it. Anyway I don't really have time to dig further for the moment.
Another thing that needs a look is it appears that it's normal that AirPcap is compiled in (I didn't change my setup and my Windoze builds say "with Airpcap") though in that case I'm not sure it should be complaining at all if it doesn't find an AirPcap device or whatever.