Type specifier NIL handled as special case in FIND-NEXT-TYPE-METHOD

[clg] / gffi / interface.lisp

diff --git a/gffi/interface.lisp b/gffi/interface.lisp
index 96bbb87b347578140b0645e9b47371b3588b74ee..6778ea69e823b7cab20761924c56bf6021070671 100644 (file)
--- a/gffi/interface.lisp
+++ b/gffi/interface.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: interface.lisp,v 1.4 2006-12-12 14:32:06 espen Exp $
+;; $Id: interface.lisp,v 1.5 2007-04-06 16:06:24 espen Exp $
 
 (in-package "GFFI")
 
@@ -454,7 +454,9 @@ (defun find-next-type-method (name type-spec &optional (error-p t))
        ;; This is to handle unexpandable types whichs doesn't name a
        ;; class.  It may cause infinite loops with illegal
        ;; call-next-method calls
-       (unless (and (symbolp type-spec) (find-class type-spec nil))
+       (unless (or 
+               (null type-spec)
+               (and (symbolp type-spec) (find-class type-spec nil)))
         (search-nodes (get name 'built-in-type-hierarchy)))
        (when error-p
         (error "No next type method ~A for type specifier ~A"