Re: [Cffi-devel] cffi idioms: with-foreign-pointer

On Sun, Feb 8, 2015 at 12:55 AM, Mirko Vukovic mirko.vukovic@gmail.com wrote:

 (let ((num-channel-groups* (foreign-alloc :uint)))
    (ddc-get-num-channel-groups file-handle* num-channel-groups*)
    (prog1 (mem-ref num-channel-groups* :uint)
      (foreign-free num-channel-groups*)))

Is with-foreign-pointer the idiomatic way to accomplish the same thing?

Yes. with-foreign-object is even more convenient since it takes a type rather than a size. with-foreign-object and with-foreign-pointer will also perform stack allocation on implementations that support it.

Cheers,