Thanks Igor,
I finally got it working. I am putting the code here so I can easily find it
next time I need to do this ;-)... and perhaps someone can point out a
better way to do it with ffi.
BTW, NB looks very interesting, could it be possible to use it on 64bits? or
as someone said about ffi, it could require a major rewrite?
cheers!
incrementIntegerPointer: integerValue
"FFITest incrementIntegerPointer: 3"
| pointer integer data |
(pointer := ExternalAddress allocate: ExternalType long byteSize)
signedLongAt: 1 put: integerValue.
data := ExternalData fromHandle: pointer type: ExternalType long
asPointerType.
self integerAsPointer: data.
^ pointer signedLongAt: 1
integerAsPointer: integer
<cdecl: void 'IntegerAsPointer' (long *) module:'ffitest.so'>
^self externalCallFailed
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