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;;;; -*- Mode: lisp; indent-tabs-mode: nil -*-
;;;
;;; libffi-win32.lisp -- libffi CFFI-Grovel definitions for Windows.
;;;
;;; Copyright (C) 2009, 2010, 2011, 2012 Liam M. 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
;;; HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
;;; WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
;;; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
;;; DEALINGS IN THE SOFTWARE.
;;;

;; by CRLF0710, modified from Liam Healy 2009-02-22 09:24:33EST libffi-unix.lisp

(in-package #:cffi)

(include "ffi.h")

(cenum status
 ((:OK "FFI_OK"))
 ((:bad-typedef "FFI_BAD_TYPEDEF"))
 ((:bad-abi "FFI_BAD_ABI")))

(cenum abi
 ((:default-abi "FFI_DEFAULT_ABI"))
 ((:sysv "FFI_SYSV"))
 ((:stdcall "FFI_STDCALL")))

(ctype ffi-abi "ffi_abi")

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(ctype ushort "unsigned short")
(ctype unsigned "unsigned")

(cstruct ffi-type "struct _ffi_type"
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  (size    "size"     :type :sizet)
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  (alignment "alignment"     :type ushort)
  (type    "type"     :type ushort)
  (elements   "elements"   :type :pointer))

#|
;;; Will not compile
;;; error: invalid application of ‘sizeof’ to incomplete type ‘struct ffi_cif’ 
;;; When structs are defined with the name at the end, apparently they
;;; are intended to be "opaque types".
(cstruct ffi-cif "struct ffi_cif"
 (abi    "abi"     :type ffi-abi)
 (nargs "nargs"     :type unsigned)
 (arg-types    "arg_types"     :type :pointer)
 (return-type   "rtype"   :type :pointer)
 (bytes   "bytes"   :type :unsigned)
 (flags   "flags"   :type :unsigned))
|#

(constant (+type-void+ "FFI_TYPE_VOID"))
(constant (+type-int+ "FFI_TYPE_INT"))
(constant (+type-float+ "FFI_TYPE_FLOAT"))
(constant (+type-double+ "FFI_TYPE_DOUBLE"))
(constant (+type-longdouble+ "FFI_TYPE_LONGDOUBLE"))
(constant (+type-uint8+ "FFI_TYPE_UINT8"))
(constant (+type-sint8+ "FFI_TYPE_SINT8"))
(constant (+type-uint16+ "FFI_TYPE_UINT16"))
(constant (+type-sint16+ "FFI_TYPE_SINT16"))
(constant (+type-uint32+ "FFI_TYPE_UINT32"))
(constant (+type-sint32+ "FFI_TYPE_SINT32"))
(constant (+type-uint64+ "FFI_TYPE_UINT64"))
(constant (+type-sint64+ "FFI_TYPE_SINT64"))
(constant (+type-struct+ "FFI_TYPE_STRUCT"))
(constant (+type-pointer+ "FFI_TYPE_POINTER"))