Re: Debugging an assertion failure

[Paul Offord <Paul.Offord () advance7 com>]

Hi Graham,

I’ve just tried ticking all the options under Debug -> Exceptions … but I still don’t catch it.  It’s strange because 
I’m sure I caused and caught assertion exceptions in the past.

Best regards…Paul

From: wireshark-dev-bounces () wireshark org [mailto:wireshark-dev-bounces () wireshark org] On Behalf Of Graham Bloice
Sent: 14 April 2017 11:55
To: Developer support list for Wireshark <wireshark-dev () wireshark org>
Subject: Re: [Wireshark-dev] Debugging an assertion failure



On 14 April 2017 at 11:41, Paul Offord <Paul.Offord () advance7 com<mailto:Paul.Offord () advance7 com>> wrote:
Hi,

I need some advice.  I’m debugging a problem with a dissector I’ve written.  Tshark fails with:
… \epan\prefs.c:414:prefs_register_module_or_subtree: assertion failed: (g_ascii_islower(c) || g_ascii_isdigit(c) || c 
== '_' || c == '-' || c == '.')
This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.
If I remove the dissector the problem goes away and so I’m sure it’s the cause.

Even though I can recreate the problem in a debug build under VS 2013 it doesn’t catch the exception.  I just see the 
above text flash by in the output command box.  How can I cause execution to break when it throws the exception?

Thanks and regards…Paul


I haven't tried this for g_assert() exceptions, but usually you need to open up Debug -> Windows -> Exception Settings 
and check more boxes.

--
Graham Bloice

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