X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcode%2Fpathname.lisp;h=7f9d4cfc6dee601314516c50b81a03bcd845503a;hb=83659744f9caa97aa83eb562d872b1c0127403c0;hp=efed3812c2116c024d3e764d3291b33e472e8701;hpb=6b8baeece6cf870e3f979a9f09c32985c64c04de;p=sbcl.git

diff --git a/src/code/pathname.lisp b/src/code/pathname.lisp
index efed381..7f9d4cf 100644
--- a/src/code/pathname.lisp
+++ b/src/code/pathname.lisp
@@ -126,3 +126,34 @@
                                                   name
                                                   type
                                                   version))))
+
+;;; This is used both for Unix and Windows: while we accept both
+;;; \ and / as directory separators on Windows, we print our
+;;; own always with /, which is much less confusing what with
+;;; being \ needing to be escaped.
+(defun unparse-physical-directory (pathname)
+  (declare (pathname pathname))
+  (unparse-physical-directory-list (%pathname-directory pathname)))
+
+(defun unparse-physical-directory-list (directory)
+  (declare (list directory))
+  (collect ((pieces))
+    (when directory
+      (ecase (pop directory)
+       (:absolute
+        (pieces "/"))
+       (:relative))
+      (dolist (dir directory)
+        (typecase dir
+         ((member :up)
+          (pieces "../"))
+         ((member :back)
+          (error ":BACK cannot be represented in namestrings."))
+         ((member :wild-inferiors)
+          (pieces "**/"))
+         ((or simple-string pattern (member :wild))
+          (pieces (unparse-physical-piece dir))
+          (pieces "/"))
+         (t
+          (error "invalid directory component: ~S" dir)))))
+    (apply #'concatenate 'simple-string (pieces))))