;;; midnight.el --- run something every midnight, e.g., kill old buffers
-;;; Copyright (C) 1998, 2004 Free Software Foundation, Inc.
+;; Copyright (C) 1998, 2002, 2003, 2004, 2005,
+;; 2006 Free Software Foundation, Inc.
;; Author: Sam Steingold <sds@usa.net>
;; Maintainer: Sam Steingold <sds@usa.net>
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
:group 'calendar
:version "20.3")
+(defvar midnight-timer nil
+ "Timer running the `midnight-hook' `midnight-delay' seconds after midnight.
+Use `cancel-timer' to stop it and `midnight-delay-set' to change
+the time when it is run.")
+
(defcustom midnight-mode nil
"*Non-nil means run `midnight-hook' at midnight.
Setting this variable outside customize has no effect;
lifetime, i.e., its \"age\" when it will be purged."
(interactive)
(let ((tm (float-time)) bts (ts (format-time-string "%Y-%m-%d %T"))
- (bufs (buffer-list)) buf delay cbld bn)
- (while (setq buf (pop bufs))
- (setq bts (midnight-buffer-display-time buf) bn (buffer-name buf)
- delay (if bts (- tm bts) 0) cbld (clean-buffer-list-delay bn))
- (message "[%s] `%s' [%s %d]" ts bn (if bts (round delay)) cbld)
- (unless (or (midnight-find bn clean-buffer-list-kill-never-regexps
- 'string-match)
- (midnight-find bn clean-buffer-list-kill-never-buffer-names
- 'string-equal)
- (get-buffer-process buf)
- (and (buffer-file-name buf) (buffer-modified-p buf))
- (get-buffer-window buf 'visible) (< delay cbld))
- (message "[%s] killing `%s'" ts bn)
- (kill-buffer buf)))))
+ delay cbld bn)
+ (dolist (buf (buffer-list))
+ (when (buffer-live-p buf)
+ (setq bts (midnight-buffer-display-time buf) bn (buffer-name buf)
+ delay (if bts (- tm bts) 0) cbld (clean-buffer-list-delay bn))
+ (message "[%s] `%s' [%s %d]" ts bn (if bts (round delay)) cbld)
+ (unless (or (midnight-find bn clean-buffer-list-kill-never-regexps
+ 'string-match)
+ (midnight-find bn clean-buffer-list-kill-never-buffer-names
+ 'string-equal)
+ (get-buffer-process buf)
+ (and (buffer-file-name buf) (buffer-modified-p buf))
+ (get-buffer-window buf 'visible) (< delay cbld))
+ (message "[%s] killing `%s'" ts bn)
+ (kill-buffer buf))))))
;;; midnight hook
(multiple-value-bind (sec min hrs) (decode-time)
(- (* 24 60 60) (* 60 60 hrs) (* 60 min) sec)))
-(defvar midnight-timer nil
- "Timer running the `midnight-hook' `midnight-delay' seconds after midnight.
-Use `cancel-timer' to stop it and `midnight-delay-set' to change
-the time when it is run.")
-
;;;###autoload
(defun midnight-delay-set (symb tm)
"Modify `midnight-timer' according to `midnight-delay'.
Sets the first argument SYMB (which must be symbol `midnight-delay')
to its second argument TM."
(assert (eq symb 'midnight-delay) t
- "Illegal argument to `midnight-delay-set': `%s'")
+ "Invalid argument to `midnight-delay-set': `%s'")
(set symb tm)
(when (timerp midnight-timer) (cancel-timer midnight-timer))
(setq midnight-timer