[plt-scheme] Problem with FFI functions returning pointers to 'C' functions

Eli.

Thank you very much for this.

On 12/09/07 15:57, Eli Barzilay wrote:
> But in the meanwhile, here is a solution that works for now:

> [...]

> * Using this:
> 
>     (define c-signal
>       (get-ffi-obj "signal" #f
>         (_cprocedure* (list _int (_cprocedure* (list _int) _void))
>                       (_cprocedure* (list _int) _void))))
> 
> 
> On Sep 12, Tim Brown wrote:
>> Anyway, I am returning a _fpointer, and only casting it (with ptr-set)
>> to an (_fun _int -> _void) if it is (not #f).
> 
> I'm pretty sure that doing such a cast will not work.

It seemed to work for me. But only in a trivial test.
And I had the suspicion I was chancing my luck!

Tim

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