X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=io.lisp;h=292af3c68382cc23da07f6603a1d89ee13a84c72;hb=3c0c56d3c9f641e1c07534d55db2577287ef885f;hp=9c591c7ca368558de15c90e67e47f52fc0fd59dd;hpb=e83a72f1e88062d7e17ac77c17cc9c32d51f3c13;p=kmrcl.git

diff --git a/io.lisp b/io.lisp
index 9c591c7..292af3c 100644
--- a/io.lisp
+++ b/io.lisp
@@ -7,9 +7,9 @@
 ;;;; Programmer:    Kevin M. Rosenberg
 ;;;; Date Started:  Apr 2000
 ;;;;
-;;;; $Id: io.lisp,v 1.13 2003/07/30 22:23:25 kevin Exp $
+;;;; $Id$
 ;;;;
-;;;; This file, part of KMRCL, is Copyright (c) 2002 by Kevin M. Rosenberg
+;;;; This file, part of KMRCL, is Copyright (c) 2002-2003 by Kevin M. Rosenberg
 ;;;;
 ;;;; KMRCL users are granted the rights to distribute and use this software
 ;;;; as governed by the terms of the Lisp Lesser GNU Public License
@@ -169,12 +169,13 @@
   #-allegro (write-string (write-to-string n) s))
 
 
+
 #+openmcl
 (defun open-device-stream (path direction)
   (let* ((mode (ecase direction
-		 (:input #$O_RDONLY)
-		 (:output #$O_WRONLY)
-		 (:io #$O_RDWR)))
+		 (:input #.(read-from-string "#$O_RDONLY"))
+		 (:output #.(read-from-string "#$O_WRONLY"))
+		 (:io #.(read-from-string "#$O_RDWR"))))
 	 (fd (ccl::fd-open (ccl::native-translated-namestring path) mode)))
     (if (< fd 0)
        (ccl::signal-file-error fd path)
@@ -189,3 +190,25 @@
   (when (probe-file #p"/dev/null")
     (open-device-stream #p"/dev/null" :output))  
   )
+
+
+(defun directory-tree (filename)
+  "Returns a tree of pathnames for sub-directories of a directory"
+  (let* ((root (canonicalize-directory-name filename))
+	 (subdirs (loop for path in (directory
+				     (make-pathname :name :wild
+						    :type :wild
+						    :defaults root))
+			when (probe-directory path)
+			collect (canonicalize-directory-name path))))
+    (when (find nil subdirs)
+      (error "~A" subdirs))
+    (when (null root)
+      (error "~A" root))
+    (if subdirs
+	(cons root (mapcar #'directory-tree subdirs))
+	(if (probe-directory root)
+	    (list root)
+	    (error "root not directory ~A" root)))))
+
+