X-Git-Url: https://git.distorted.org.uk/~mdw/zone/blobdiff_plain/51a6847e534bc908f97f068c5ed82ed11c85ce15..b85ef4e407e433ec2b2b40c2a38957f955f827fc:/net.lisp

diff --git a/net.lisp b/net.lisp
index 64c796d..40882de 100644
--- a/net.lisp
+++ b/net.lisp
@@ -75,8 +75,7 @@
    `stringify'.  The START and END arguments may be used to parse out a
    substring."
   (setf str (stringify str))
-  (unless end
-    (setf end (length str)))
+  (setf-default end (length str))
   (let ((addr 0) (noct 0))
     (loop
       (let* ((pos (position #\. str :start start :end end))
@@ -151,7 +150,7 @@
 (defun string-ipnet (str &key (start 0) (end nil))
   "Parse an IP-network from the string STR."
   (setf str (stringify str))
-  (unless end (setf end (length str)))
+  (setf-default end (length str))
   (let ((sl (position #\/ str :start start :end end)))
     (if sl
 	(make-ipnet (parse-ipaddr (subseq str start sl))