X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fprimordial-extensions.lisp;h=e91d56d1b261be5e43675c4e6e577ecb473a412a;hb=829ced3e78a23ba153ba4db64e6ea6984c2313b6;hp=3a5350f50c99d3cfed22ce23986783ca5df8596a;hpb=47f408ca8480937ac946db8455b7c3d3e0b353bb;p=sbcl.git

diff --git a/src/code/primordial-extensions.lisp b/src/code/primordial-extensions.lisp
index 3a5350f..e91d56d 100644
--- a/src/code/primordial-extensions.lisp
+++ b/src/code/primordial-extensions.lisp
@@ -222,7 +222,8 @@
                 ;; but it will immediately lead to undefined to behavior,
                 ;; since almost any operation on a deleted package is
                 ;; undefined.
-                (package-name maybe-package))
+                #-sb-xc-host
+                (package-%name maybe-package))
            maybe-package)
           (t
            ;; We're in the undefined behavior zone. First, munge the
@@ -344,6 +345,21 @@
                                        (1- max))))
         (t nil)))
 
+(defun proper-list-p (x)
+  (unless (consp x)
+    (return-from proper-list-p (null x)))
+  (let ((rabbit (cdr x))
+        (turtle x))
+    (flet ((pop-rabbit ()
+             (when (eql rabbit turtle) ; circular
+               (return-from proper-list-p nil))
+             (when (atom rabbit)
+               (return-from proper-list-p (null rabbit)))
+             (pop rabbit)))
+      (loop (pop-rabbit)
+            (pop-rabbit)
+            (pop turtle)))))
+
 ;;; Helpers for defining error-signalling NOP's for "not supported
 ;;; here" operations.
 (defmacro define-unsupported-fun (name &optional