;;;;
;;;; kernel32.lisp
;;;;
;;;; Copyright (C) 2006, Jack D. Unrue
;;;; All rights reserved.
;;;;
;;;; Redistribution and use in source and binary forms, with or without
;;;; modification, are permitted provided that the following conditions
;;;; are met:
;;;; 
;;;;     1. Redistributions of source code must retain the above copyright
;;;;        notice, this list of conditions and the following disclaimer.
;;;; 
;;;;     2. Redistributions in binary form must reproduce the above copyright
;;;;        notice, this list of conditions and the following disclaimer in the
;;;;        documentation and/or other materials provided with the distribution.
;;;; 
;;;;     3. Neither the names of the authors nor the names of its contributors
;;;;        may be used to endorse or promote products derived from this software
;;;;        without specific prior written permission.
;;;; 
;;;; THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS "AS IS" AND ANY
;;;; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
;;;; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DIS-
;;;; CLAIMED.  IN NO EVENT SHALL THE AUTHORS AND CONTRIBUTORS BE LIABLE FOR ANY
;;;; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
;;;; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
;;;; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
;;;; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
;;;; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
;;;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;;;

(in-package :graphic-forms.uitoolkit.system)

(eval-when (:compile-toplevel :load-toplevel :execute)
  (use-package :cffi))

(load-foreign-library "kernel32.dll")

(defcfun
  ("FreeLibrary" free-library)
  BOOL
  (hmodule HANDLE))

(defcfun
  ("GetLastError" get-last-error)
  DWORD)

(defcfun
  ("GetModuleHandleA" get-module-handle)
  HANDLE
  (module-name LPTSTR))

(defcfun
  ("GetProcAddress" get-proc-address)
  :pointer
  (hmodule   HANDLE)
  (proc-name LPTSTR))

(defcfun
  ("LoadLibraryExA" load-library)
  HANDLE
  (file-name LPTSTR)
  (hfile     HANDLE) ; currently reserved and must be a NULL pointer
  (flags     DWORD))