Commit 6c636af9 authored by Roland McGrath's avatar Roland McGrath
Browse files

(file-relative-name): New function.

parent 1d30b62a
......@@ -936,6 +936,15 @@ Value is a list whose car is the name for the backup file
(defun file-nlinks (filename)
"Return number of names file FILENAME has."
(car (cdr (file-attributes filename))))
(defun file-relative-name (filename &optional directory)
"Convert FILENAME to be relative to DIRECTORY (default: default-directory)."
(setq filename (expand-file-name filename)
directory (file-name-as-directory (or (expand-file-name directory)
(while (not (string-match (concat "^" (regexp-quote directory)) filename))
(setq directory (file-name-directory (substring directory 0 -1))))
(substring filename (match-end 0)))
(defun save-buffer (&optional args)
"Save current buffer in visited file if modified. Versions described below.
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