X-Git-Url: https://git.distorted.org.uk/~mdw/clg/blobdiff_plain/9523c079183ecaa05c81130d5d80d792211ed695..691d6718b76e5a6623b3277d5b37db4722569f29:/glib/gutils.lisp

diff --git a/glib/gutils.lisp b/glib/gutils.lisp
index 5d6e649..33f85b7 100644
--- a/glib/gutils.lisp
+++ b/glib/gutils.lisp
@@ -15,7 +15,7 @@
 ;; License along with this library; if not, write to the Free Software
 ;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
-;; $Id: gutils.lisp,v 1.4 2001-04-29 20:01:54 espen Exp $
+;; $Id: gutils.lisp,v 1.8 2001-05-29 15:40:38 espen Exp $
 
 
 (in-package "KERNEL")
@@ -33,7 +33,6 @@
 
 (in-package "GLIB")
 
-
 (defun type-expand-to (type form)
   (labels ((expand (form0)
              (if (eq (first (mklist form0)) type)
@@ -50,7 +49,7 @@
     `(progn
        (let ((,gc-inhibit lisp::*gc-inhibit*))
 	 (ext:gc-off)
-	 (unwind-protect
+	 	 (unwind-protect
 	     ,@body
 	   (unless ,gc-inhibit
 	     (ext:gc-on)))))))
@@ -112,6 +111,11 @@
       (fdefinition object)
     object))
 
+(defun intersection-p (list1 list2 &key (test #'eq))
+  (dolist (obj list1 nil)
+    (when (member obj list2 :test test)
+      (return-from intersection-p t))))
+
 
 (defun split-string (string delimiter)
   (declare (simple-string string) (character delimiter))
@@ -142,4 +146,9 @@
      'string
      (first strings)
      (if delimiter (string delimiter) "")
-     (concatenate-strings (rest strings)))))
+     (concatenate-strings (rest strings) delimiter))))
+
+(defun string-prefix-p (prefix string)
+  (and
+   (>= (length string) (length prefix))
+   (string= prefix string :end2 (length prefix))))