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-rw-r--r--lisp/net/tramp-compat.el33
1 files changed, 20 insertions, 13 deletions
diff --git a/lisp/net/tramp-compat.el b/lisp/net/tramp-compat.el
index 5d9a1fd1967..214ad040a17 100644
--- a/lisp/net/tramp-compat.el
+++ b/lisp/net/tramp-compat.el
@@ -23,8 +23,9 @@
;;; Commentary:
-;; Tramp's main Emacs version for development is Emacs 26. This
-;; package provides compatibility functions for Emacs 24 and Emacs 25.
+;; Tramp's main Emacs version for development is Emacs 27. This
+;; package provides compatibility functions for Emacs 24, Emacs 25 and
+;; Emacs 26.
;;; Code:
@@ -104,6 +105,10 @@ Add the extension of F, if existing."
'tramp-error vec-or-proc
(if (fboundp 'user-error) 'user-error 'error) format args))
+;; `default-toplevel-value' has been declared in Emacs 24.4.
+(unless (fboundp 'default-toplevel-value)
+ (defalias 'default-toplevel-value 'symbol-value))
+
;; `file-attribute-*' are introduced in Emacs 25.1.
(if (fboundp 'file-attribute-type)
@@ -163,14 +168,23 @@ This is a floating point number if the size is too large for an integer."
This is a string of ten letters or dashes as in ls -l."
(nth 8 attributes)))
-;; `default-toplevel-value' has been declared in Emacs 24.4.
-(unless (fboundp 'default-toplevel-value)
- (defalias 'default-toplevel-value 'symbol-value))
-
;; `format-message' is new in Emacs 25.1.
(unless (fboundp 'format-message)
(defalias 'format-message 'format))
+;; `directory-name-p' is new in Emacs 25.1.
+(if (fboundp 'directory-name-p)
+ (defalias 'tramp-compat-directory-name-p 'directory-name-p)
+ (defsubst tramp-compat-directory-name-p (name)
+ "Return non-nil if NAME ends with a directory separator character."
+ (let ((len (length name))
+ (lastc ?.))
+ (if (> len 0)
+ (setq lastc (aref name (1- len))))
+ (or (= lastc ?/)
+ (and (memq system-type '(windows-nt ms-dos))
+ (= lastc ?\\))))))
+
;; `file-missing' is introduced in Emacs 26.1.
(defconst tramp-file-missing
(if (get 'file-missing 'error-conditions) 'file-missing 'file-error)
@@ -221,13 +235,6 @@ If NAME is a remote file name, the local part of NAME is unquoted."
((eq tramp-syntax 'sep) 'separate)
(t tramp-syntax)))
-;; Older Emacsen keep incompatible autoloaded values of `tramp-syntax'.
-(eval-after-load 'tramp
- '(unless
- (memq tramp-syntax (tramp-compat-funcall (quote tramp-syntax-values)))
- (tramp-compat-funcall
- (quote tramp-change-syntax) (tramp-compat-tramp-syntax))))
-
(provide 'tramp-compat)
;;; TODO: