As usually happens, you write a report, send it, then find something :-) The offending statement was indeed wrong, the variables weren't ints (as the %d would expect) but doubles. Changing the format into %f fixes the crash.
Next question now is why I none of the tools available help me in
detecting the problem. I've tried to reproduce this in a small program,
haven't succeeded yet.
Danny
On Mon, 2007-04-23 at 20:17 +0200, Danny Backx wrote:
> I'll put this in another thread, apologies if this bothers anyone.
>
> I explained that my application crashes without error messages under
> certain conditions (when I ask it to provide reports about stock
> evolution over several periods).
>
> The app source contains logging statements, and I just added some to try
> and figure out where it is crashing.
>
> The relevant piece of code is in attachment code.c (not inlined in this
> mail because all the lines wrap), the logfile is in log.txt .
>
> The application is crashing in a line that basically prints log info.
> I've written a couple of lines before it printing out all the info that
> get printed in the offending statement. The separate print statements
> work, the combined one crashes the application.
>
> This is also what happens under gdb : the application crashes when in
> the line
> Log(STATUS_LOG, "Value Change %d - %d -> [%s]\r\n",
> value, prevValue, valval);
> The output of a gdb session is also attached.
>
> Bright (and other) ideas are most welcome.
>
> Danny
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--
Danny Backx ; danny.backx - at - scarlet.be ; http://danny.backx.info
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