[squeak-dev] FFI/Alien: Structures with arrrayed fields
Bert Freudenberg
bert at freudenbergs.de
Mon Mar 15 13:36:30 UTC 2010
On 15.03.2010, at 14:29, Schwab,Wilhelm K wrote:
>
> Hello all,
>
> I am faced with something like the following:
>
> struct complex { double real; imaginary; };
> struct ugly {
> int gratuitousSize;
> long importantStuff[64];
> complex * moreImportantStuff[64];
> };
>
> The question is how to explain this to FFI? The closest things I have found always seem to be byte arrays, so the "third element" in the arrays of #fields is not well-revealed.
Why not make an ExternalStructure subclass for "complex" and use that in the fields definition for "ugly"?
- Bert -
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