2 Nov
2014
2 Nov
'14
7:14 p.m.
On Sat, Nov 1, 2014 at 9:09 PM, FAU fau@riseup.net wrote:
Apparently SIZE is not evaluated at macro expansion time.
I basically want to pass the name of a foreign function as SIZE and have it evaluated.
[...]
(macrolet ((m () `(cffi:defcstruct (foo-struct :size ,(eval-when (:compile-toplevel :load-toplevel :execute) (foo-size))) (data :pointer)))) (m))
Do you really need to define a struct type? Can you get away with something like (with-foreign-object (p :char size) ...)?
--
Luís Oliveira
http://kerno.org/~luis/