On Jun 27, 2013, at 2:22 , Igor Stasenko wrote:

i think it fails because you passing strange (NBExternalObject null)
as length parameter.
i guess you meant NBExternalAddress null instead.

Speaking of weird external stuff�

NBExternalArray class >> #initElementType: aTypeName

"Initialize the element type and size.

If you want to use a public subclass of me, then make sure you call this method

in your class #initialize method.

elementType := aTypeName.

elementSize := (NBFFICallout new requestor: self; resolveType: elementType) valueSize .

self installAccessors.

Shouldn't that be storageSize?

Or is a disclaimer not to use the class for, say, 'char*' elements more appropriate?

Cheers,

Henry