cif.lisp

;;;; -*- Mode: lisp; indent-tabs-mode: nil -*-
;;;
;;; cif.lisp --- Structure and function call function in libffi
;;;
;;; Copyright (C) 2009, 2010, 2011 Liam Healy  <lhealy@common-lisp.net>
;;;
;;; Permission is hereby granted, free of charge, to any person
;;; obtaining a copy of this software and associated documentation
;;; files (the "Software"), to deal in the Software without
;;; restriction, including without limitation the rights to use, copy,
;;; modify, merge, publish, distribute, sublicense, and/or sell copies
;;; of the Software, and to permit persons to whom the Software is
;;; furnished to do so, subject to the following conditions:
;;;
;;; The above copyright notice and this permission notice shall be
;;; included in all copies or substantial portions of the Software.
;;;
;;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
;;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
;;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
;;; NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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;;; WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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;;;

(in-package #:cffi-fsbv)

;;; Structs

(cffi:defcstruct ffi-cif
  (abi ffi-abi)
  (number-of-arguments unsigned)
  (argument-types :pointer)
  (return-type :pointer)
  (bytes unsigned)
  (flags unsigned))

;;; Functions
;;; See file:///usr/share/doc/libffi-dev/html/The-Basics.html#The-Basics

(cffi:defcfun ("ffi_prep_cif" prep-cif) status
    (ffi-cif :pointer)
    (ffi-abi abi)
    (nargs :uint)
    (rtype :pointer)
    (argtypes :pointer))

(cffi:defcfun ("ffi_call" call) :void
    (ffi-cif :pointer)
    (function :pointer)
    (rvalue :pointer)
    (avalues :pointer))