just never forget that we have a moving GC! ;) so directly passing references to native function can be quite dangerous!
Otherwise you could first manually adjust the start address by writing the corresponding ASM code ;) then run the C callout. I should check if we already have a proper helper method for that. On 2012-11-07, at 14:33, Mariano Martinez Peck <[email protected]> wrote: > Hi Igor. I wonder if I can do the following. > I have to pass a ByteArray to a function that expects an already malloced > char*. > So far it is working fine. Now...what I would like is from the image side > to allocate a ByteArray of size + 4. I need to reserve the first 4 bytes of > the ByteArray for something. But the library I am calling doesn't let me > specify where to start from that char*. > So...can I cheat? I mean, can I allocate ByteArray+4 in the image, but when > passing it as an argument somehow say "ok, take this ByteArray but think > the the beginning is the byte 4" ? > or something like that ? > > Thanks! > > -- > Mariano > http://marianopeck.wordpress.com
