Hi,
The bug is here :
(#data (#ptr #XcbScreen))
Change this line with :
(#data #{XcbScreen})
Cheers,
Gwenael
On Sun, 2009-09-27 at 21:04 +0400, Dmitry Matveev wrote:
> Hi everybody!
>
> I am going to write the XCB binding for GNU Smalltalk and now I'm
> playng with C call-outs.
>
> I've got an issue in the case when C function returns a structure
> itself (not a pointer).
>
> There are two files in attachments:
> * rootwin.c - the C code that aquires current screen and prints the
> root window's ID
> * xcbroot.st - the Smalltalk port of rootwin.c
>
> `--> ./rootwin
> root window 163
>
> `--> gst -f xcbroot.st
> xcbroot.st:56: Aborted
> (ip 10)CUInt(CScalar)>>#value
> (ip 6)UndefinedObject>>#executeStatements
> (ip 0)<bottom>
> zsh: abort gst -f xcbroot.st
>
> I assume that I missunderstood something about pointer-to-structure
> conversions, however I wrote this code according to GST manual (C data
> types, etc). I think I did something wrong.
>
> Could anybody please help me with this problem?
> _______________________________________________
> help-smalltalk mailing list
> [email protected]
> http://lists.gnu.org/mailman/listinfo/help-smalltalk
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