Bug fix

[clg] / gffi / virtual-slots.lisp

diff --git a/gffi/virtual-slots.lisp b/gffi/virtual-slots.lisp
index fb4a9cb66a61935f68830541ae72ef719de506de..ff339eb772671f75a6212eaf540c9cb1eeeeddc1 100644 (file)
--- a/gffi/virtual-slots.lisp
+++ b/gffi/virtual-slots.lisp
@@ -20,7 +20,7 @@
 ;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 ;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-;; $Id: virtual-slots.lisp,v 1.7 2007-05-10 20:23:56 espen Exp $
+;; $Id: virtual-slots.lisp,v 1.8 2007-06-01 06:46:06 espen Exp $
 
 (in-package "GFFI")
 
@@ -117,12 +117,11 @@ (defmethod compute-slot-reader-function :around ((slotd effective-virtual-slot-d
        
        ;; An explicit boundp function has been supplied
        ((slot-boundp slotd 'boundp) 
-       (let ((unbound-value (slot-value slotd 'boundp)))
+       (let ((boundp (slot-value slotd 'boundp)))
          #'(lambda (object)
-             (let ((value (funcall reader-function object)))
-               (if (eq value unbound-value)
-                   (slot-unbound (class-of object) object (slot-definition-name slotd))
-                 value)))))
+             (if (not (funcall boundp object))
+                 (slot-unbound (class-of object) object (slot-definition-name slotd))
+               (funcall reader-function object)))))
        
        ;; A type unbound value exists
        ((let ((unbound-method (find-applicable-type-method 'unbound-value