Re: [Chicken-users] segfault using cairo/SDL

[Christian Kellermann]

* Markus Klotzbuecher <address@hidden> [120103 21:11]:
> I took another attempt to figure out this crash. I still don't see the
> problem, but I've found a smaller testcase that reliably crashes (for
> me, at least):
> 
> (use cairo)
> (define t1 (make-cairo-text-extents-type))
> (display t1)
> (cairo-text-extents-x-bearing-set! t1 1)
> (display t1)
> 
> I also discovered a bug in the record printer for the extents types,
> patch attached.

Thanks for that, I noticed this today as well.

Your bug however seems unrelated to cairo or SDL. I have come to
the following test case that uses the same FFI procedures in core
(modulo some struct layout, the original has 6 doubles there or
so):

http://paste.call-cc.org/paste?id=78a52e65f6c4f52014f049e71a384ac380c63b62

I will further investigate.

Thanks,

Christian

-- 
Who can (make) the muddy water (clear)? Let it be still, and it will
gradually become clear. Who can secure the condition of rest? Let
movement go on, and the condition of rest will gradually arise.
 -- Lao Tse.