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Re: [fltk.coredev] Double free of groups

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Re: Double free of groups Rob McDonald Mar 16, 2023  
 

On Thursday, March 16, 2023 at 11:28:23 AM UTC-7 Albrecht Schlosser wrote:
On 3/15/23 17:34 Rob McDonald wrote:
On Wednesday, March 15, 2023 at 7:12:16 AM UTC-7 Albrecht Schlosser wrote:
Sigh. I was afraid that this could happen but did it anyway (to improve speed) in the hope it wouldn't. It's difficult...

Understood.  Sometimes we get lucky, sometimes we don't.

Yep, I was and am still convinced that my change was good and correct, but you never know how users use the library. I remember that I once had an issue with the order of deletion of child widgets in an old program - which I'm no longer maintaining.



OK, for my understanding, what do you mean with "now apparently defunct" ? Do you say this because your application crashes (with double free) or for any other reason?

By 'now apparently defunct', I just meant that Cartesian is no longer a maintained / supported project.  Its website is down and I believe the only references to it on the internet are some abandoned SourceForge pages.

OK, I understand. I obviously had a translation problem. ;-)


We have occasionally had to make small changes to Cartesian to keep it going.

Yes, I also found some compiler warnings, uninitialized variables, and more. And I hope I fixed the main bug as written before in this thread.


I think the rest of the questions are answered / superseded by your followup.

Yes, indeed.


Thanks a ton for your attention to this and for all you do with FLTK.

You're welcome.

Thank you for testing FLTK 1.4 with your real world program and for reporting bugs and other issues. This is very much appreciated because real programs may show issues we'd never find otherwise. Even if this particular issue was fortunately not a FLTK bug. AFAICT.


Thanks a ton for running this to ground.  Much appreciated.

Rob
 

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