X-Git-Url: https://git.distorted.org.uk/~mdw/lisp/blobdiff_plain/6e1633e7a77cd38b1aff25196867b17e4d4a6c00..9224720f63a3a3f810ce03dc4018e23a0c6d8492:/safely.lisp

diff --git a/safely.lisp b/safely.lisp
index 13671a4..0674429 100644
--- a/safely.lisp
+++ b/safely.lisp
@@ -110,10 +110,25 @@
 	  (safely-trail safe))
     stream))
 
+#+clisp
+(progn
+  (ffi:def-call-out %rename (:name "rename")
+    (:language :stdc)
+    (:arguments (from ffi:c-string)
+		(to ffi:c-string))
+    (:return-type ffi:int)))
+
 (declaim (inline rename))
 (defun rename (old new)
-  #-clisp (rename-file old new)
-  #+clisp (posix:copy-file old new :method :rename))
+  #-clisp
+  (let ((target (make-pathname :directory '(:relative)
+			       :defaults new)))
+    (rename-file old target))
+
+  #+clisp
+  (let ((rc (%rename (namestring old) (namestring new))))
+    (when (= rc -1)
+      (error "Failed to rename ~S to ~S: ~A" old new (posix:strerror)))))
 
 (defun delete-file-without-moaning (file)
   "Delete the FILE, ignoring errors."
@@ -179,9 +194,7 @@
 					       :method :hardlink
 					       :if-exists nil)))
 
-
-
-  #-(or cmu sbcl)
+  #-(or cmu sbcl clisp)
   ;; Otherwise just copy the file contents and hope for the best.
   (with-open-file (input file :element-type :default)
     (multiple-value-bind