r1573: *** empty log message ***

[uffi.git] / src / primitives.cl

diff --git a/src/primitives.cl b/src/primitives.cl
index ee529806dcd8a55c3f981be65c9d2a4337936ba0..294dcdc9b784a35f6efe09bab73cdd790f217cc1 100644 (file)
--- a/src/primitives.cl
+++ b/src/primitives.cl
@@ -7,7 +7,7 @@
 ;;;; Programmer:    Kevin M. Rosenberg
 ;;;; Date Started:  Feb 2002
 ;;;;
-;;;; $Id: primitives.cl,v 1.5 2002/03/14 21:32:23 kevin Exp $
+;;;; $Id: primitives.cl,v 1.6 2002/03/15 11:38:13 kevin Exp $
 ;;;;
 ;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
 ;;;;
@@ -19,11 +19,11 @@
 (declaim (optimize (debug 3) (speed 3) (safety 1) (compilation-speed 0)))
 (in-package :uffi)
 
-(defmacro def-constant (name value)
+(defmacro def-constant (name value &key (export nil))
   "Macro to define a constant and to export it"
   `(eval-when (:compile-toplevel :load-toplevel :execute)
      (defconstant ,name ,value)
-     (export ',name)))
+     ,(if export (list 'export `(quote ,name)) (values))))
 
 (defmacro def-type (name type)
   "Generates a (deftype) statement for CL. Currently, only CMUCL
@@ -42,6 +42,12 @@ supports takes advantage of this optimization."
       t
     nil))
 
+(defmacro ensure-char (val)
+  `(etypecase ,val
+     (integer
+      (code-char ,val))
+     (character
+      ,val)))
       
 (defmacro def-foreign-type (name type)
   #+lispworks `(fli:define-c-typedef ,name ,(convert-from-uffi-type type :type))