r1601: Added def-union, fixed ensure-char-* error

[uffi.git] / src / objects.cl

diff --git a/src/objects.cl b/src/objects.cl
index f9651d468c53603e763012d736c524360e5838ad..1ac0ad8b4080f6c1836a10b69eb447d2be3b9693 100644 (file)
--- a/src/objects.cl
+++ b/src/objects.cl
@@ -7,7 +7,7 @@
 ;;;; Programmer:    Kevin M. Rosenberg
 ;;;; Date Started:  Feb 2002
 ;;;;
-;;;; $Id: objects.cl,v 1.8 2002/03/18 22:47:57 kevin Exp $
+;;;; $Id: objects.cl,v 1.10 2002/03/21 07:56:45 kevin Exp $
 ;;;;
 ;;;; This file, part of UFFI, is Copyright (c) 2002 by Kevin M. Rosenberg
 ;;;;
@@ -66,11 +66,31 @@ an array of TYPE with size SIZE."
 
 (defmacro deref-pointer (ptr type)
   "Returns a object pointed"
+  #+(or cmu lispworks) (declare (ignore type))
   #+cmu  `(alien:deref ,ptr)
   #+lispworks `(fli:dereference ,ptr)
   #+allegro `(ff:fslot-value-typed ,type :c ,ptr)
 )
 
+#+lispworks ;; with LW, deref is a character
+(defmacro ensure-char-character (obj)
+  obj
+  )
+
+#+(or allegro cmu)
+(defmacro ensure-char-character (obj)
+  `(code-char ,obj)
+  )
+  
+#+lispworks
+(defmacro ensure-char-integer (obj)
+ `(char-code ,obj))
+
+#+(or allegro cmu)
+(defmacro ensure-char-integer (obj)
+  obj
+  ) ;; (* :char) dereference is already an integer
+
 (defmacro pointer-address (obj)
   #+cmu
   `(system:sap-int (alien:alien-sap ,obj))