X-Git-Url: http://git.kpe.io/?p=kmrcl.git;a=blobdiff_plain;f=io.lisp;h=4dea295f5e789d6dacb1c2eb86fe99c155d71487;hp=b6778246c3f67f2717dd0e79e0667ecce09cf31e;hb=6f333885c716800cf85c2986a3b835efe0e54e70;hpb=7c7e6a18fd67e5370fd78690da2642cbe79e4113

diff --git a/io.lisp b/io.lisp
index b677824..4dea295 100644
--- a/io.lisp
+++ b/io.lisp
@@ -7,7 +7,7 @@
 ;;;; Programmer:    Kevin M. Rosenberg
 ;;;; Date Started:  Apr 2000
 ;;;;
-;;;; $Id: io.lisp,v 1.9 2003/06/20 08:35:21 kevin Exp $
+;;;; $Id$
 ;;;;
 ;;;; This file, part of KMRCL, is Copyright (c) 2002 by Kevin M. Rosenberg
 ;;;;
@@ -163,8 +163,52 @@
              (setf pos 0))))
     (buf-flush buf out)))
 
+(declaim (inline write-fixnum))
 (defun write-fixnum (n s)
   #+allegro (excl::print-fixnum s 10 n)
-  (write-string (write-to-string n) s))
-
-
+  #-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-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)))))
+
+