Commit 0a1763b4 authored by Richard M. Stallman's avatar Richard M. Stallman
Browse files

(make-auto-save-file-name): Convert slashes to \! and double the backslashes.

parent 67a69ba6
......@@ -1950,14 +1950,27 @@ See also `auto-save-file-name-p'."
(file-name-nondirectory buffer-file-name)
;; For non-file bfr, use bfr name and Emacs pid.
;; Don't allow slashes, though; auto-save would try to interpret it
;; as a pathname, and it might not exist.
;; Deal with buffers that don't have any associated files. (Mail
;; mode tends to create a good number of these.)
(let ((buffer-name (buffer-name))
(save-match-data (match-data)))
(while (string-match "/" buffer-name)
(aset buffer-name (match-beginning 0) ?-))
(store-match-data save-match-data)
(limit 0))
;; Use technique from Sebastian Kremer's auto-save
;; package to turn slashes into \\!. This ensures that
;; the auto-save buffer name is unique.
(while (string-match "[/\\]" buffer-name limit)
(setq buffer-name (concat (substring buffer-name 0 (match-beginning 0))
(if (string= (substring buffer-name
(match-beginning 0)
(match-end 0))
(substring buffer-name (match-end 0))))
(setq limit (1+ (match-end 0))))
(expand-file-name (format "#%s#%s#" buffer-name (make-temp-name ""))))))
(defun auto-save-file-name-p (filename)
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