Re: avoiding copy - Luajit FFI

[Peter Cawley <lua@...>]

On Tue, Jun 7, 2011 at 6:09 PM, Fabio Kaminski <fabiokaminski@gmail.com> wrote:
> without that.. only manipulating ptr from a C function .. :(

The FFI has pointer arithmetic; you can add integers to pointers as
you would in C, and cast them around, as you would in C.

I don't yet appreciate what you're complaining about or why you need
to convert things to strings and pass strings rather than just passing
pointers and lengths to C.