* xdisp.c (try_scrolling): Check INT_MAX instead of

[bpt/emacs.git] / lisp / midnight.el

diff --git a/lisp/midnight.el b/lisp/midnight.el
index a81ce37..c6d17a7 100644 (file)
--- a/lisp/midnight.el
+++ b/lisp/midnight.el
@@ -1,6 +1,7 @@
 ;;; midnight.el --- run something every midnight, e.g., kill old buffers
 
-;;; Copyright (C) 1998, 2004, 2005 Free Software Foundation, Inc.
+;; Copyright (C) 1998, 2001, 2002, 2003, 2004, 2005,
+;;   2006, 2007, 2008 Free Software Foundation, Inc.
 
 ;; Author: Sam Steingold <sds@usa.net>
 ;; Maintainer: Sam Steingold <sds@usa.net>
@@ -9,10 +10,10 @@
 
 ;; This file is part of GNU Emacs.
 
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; GNU Emacs is free software: you can redistribute it and/or modify
 ;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
 
 ;; GNU Emacs is distributed in the hope that it will be useful,
 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -20,9 +21,7 @@
 ;; GNU General Public License for more details.
 
 ;; 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.
+;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
 
 ;;; Commentary:
 
@@ -48,6 +47,11 @@
   :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;
@@ -69,9 +73,9 @@ call `cancel-timer' or `timer-activate' on `midnight-timer' instead."
     (list 1st (floor (- num (* (float div) 1st)))
           (round (* 10000000 (mod num 1))))))
 
-(defun midnight-buffer-display-time (&optional buf)
-  "Return the time-stamp of the given buffer, or current buffer, as float."
-  (with-current-buffer (or buf (current-buffer))
+(defun midnight-buffer-display-time (&optional buffer)
+  "Return the time-stamp of BUFFER, or current buffer, as float."
+  (with-current-buffer (or buffer (current-buffer))
     (when buffer-display-time (float-time buffer-display-time))))
 
 ;;; clean-buffer-list stuff
@@ -122,7 +126,7 @@ See also `clean-buffer-list-kill-regexps',
   :group 'midnight)
 
 (defcustom clean-buffer-list-kill-never-buffer-names
-    '("*scratch*" "*Messages*")
+    '("*scratch*" "*Messages*" "*server*")
   "*List of buffer names which will never be killed by `clean-buffer-list'.
 See also `clean-buffer-list-kill-never-regexps'.
 Note that this does override `clean-buffer-list-kill-regexps' and
@@ -131,7 +135,6 @@ two lists will NOT be killed if it is also present in this list."
   :type '(repeat (string :tag "Buffer Name"))
   :group 'midnight)
 
-
 (defcustom clean-buffer-list-kill-never-regexps '("^ \\*Minibuf-.*\\*$")
   "*List of regexp saying which buffers will never be killed at midnight.
 See also `clean-buffer-list-kill-never-buffer-names'.
@@ -173,20 +176,21 @@ displayed (can be nil if the buffer was never displayed) and its
 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
 
@@ -204,11 +208,6 @@ The default value is `clean-buffer-list'."
   (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'.
@@ -234,5 +233,5 @@ first argument to `run-at-time'."
 
 (provide 'midnight)
 
-;;; arch-tag: a5979be9-2890-46a3-ba84-791f0a4a6e80
+;; arch-tag: a5979be9-2890-46a3-ba84-791f0a4a6e80
 ;;; midnight.el ends here