(unless (fboundp 'format-message)
(defalias 'format-message 'format))
+;; `delete-dups' does not exist in XEmacs 21.4.
+(if (fboundp 'delete-dups)
+ (defalias 'tramp-compat-delete-dups 'delete-dups)
+ (defun tramp-compat-delete-dups (list)
+ "Destructively remove `equal' duplicates from LIST.
+Store the result in LIST and return it. LIST must be a proper list.
+Of several `equal' occurrences of an element in LIST, the first
+one is kept."
+ (cl-delete-duplicates list '(:test equal :from-end) nil)))
+
(add-hook 'tramp-unload-hook
(lambda ()
(unload-feature 'tramp-loaddefs 'force)
(directory &optional full match nosort)
"Like `directory-files' for Tramp files."
(let ((result (mapcar 'directory-file-name
- (file-name-all-completions "" directory)))
- res)
+ (file-name-all-completions "" directory))))
;; Discriminate with regexp.
(when match
(setq result
;; Sort them if necessary.
(unless nosort (setq result (sort result 'string-lessp)))
;; Remove double entries.
- (dolist (elt result res)
- (add-to-list 'res elt 'append))))
+ (tramp-compat-delete-dups result)))
(defun tramp-smb-handle-expand-file-name (name &optional dir)
"Like `expand-file-name' for Tramp files."