That is a highly used function in IupCanvas. So probably the problem is
not there.

 What did you do before calling IupFlush. Is the canvas still valid during
the flush?

Best,
Scuri


On Wed, Aug 5, 2015 at 5:50 AM, "Jörg F. Wittenberger" <
joerg.wittenber...@softeyes.net> wrote:

> Hi Antonio,
>
> during IupFlush my program dumped a core like this:
>
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0  0x4097693a in gtkCanvasSetDXAttrib.part.3 () from
> /usr/local/lib/libiup.so
> (gdb) bt
> #0  0x4097693a in gtkCanvasSetDXAttrib.part.3 () from
> /usr/local/lib/libiup.so
> #1  0x00000000 in ?? ()
>
>
> Anything I can do to help debugging that one?
>
> Best
>
> /Jörg
>
>
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