Subj : Re: Exception occurs only when run outside the debugger *confused*
To   : comp.programming
From : Nick Keighley
Date : Wed Aug 24 2005 04:50 am

James Dow Allen wrote:

> > My program throws an exception coming from the glibmm
> > library when I start it normally. However, when I run it
> > with the debugger (KDbg), it
> > runs just fine! (no exception thrown).
> >
> > I am using g++ 3.3.5. Does anyone have an idea how odd
> > behavior like this can happen, generally?
>
> In C, use of automatic variables before initialization
> is a common source of such anomalies.  Use of uninitialized
> malloc'ed variables, or array index out of bounds are
> other possibilities.  Use of threads or longjmps could also
> be culprit; any other possibilities, anyone?

I recently had one where the command line arguments used in the
debugger were not the same as the arguments used when
the program was started from a script. Stupid, yes.


-- 
Nick Keighley

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