X-Git-Url: http://git.kpe.io/?p=kmrcl.git;a=blobdiff_plain;f=io.lisp;h=292af3c68382cc23da07f6603a1d89ee13a84c72;hp=2d4f3da1aa18405d74beb0fa5ac772482a0be1cc;hb=2f65fd6d93691f3943182138efd2013c3fdb67c7;hpb=2ffbc18c75d4b31c58fad32950658c90e256b556

diff --git a/io.lisp b/io.lisp
index 2d4f3da..292af3c 100644
--- a/io.lisp
+++ b/io.lisp
@@ -7,9 +7,9 @@
 ;;;; Programmer:    Kevin M. Rosenberg
 ;;;; Date Started:  Apr 2000
 ;;;;
-;;;; $Id: io.lisp,v 1.11 2003/07/14 04:10:02 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
@@ -169,6 +169,46 @@
   #-allegro (write-string (write-to-string n) s))
 
 
+
+#+openmcl
+(defun open-device-stream (path direction)
+  (let* ((mode (ecase direction
+		 (: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)
+       (ccl::make-fd-stream fd :direction direction))))
+
+
 (defun null-output-stream ()
+  #-openmcl
+  (when (probe-file #p"/dev/null")
+    (open #p"/dev/null" :direction :output :if-exists :overwrite))
+  #+openmcl
   (when (probe-file #p"/dev/null")
-    (open #p"/dev/null" :direction :output :if-exists :supersede)))
+    (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)))))
+
+