Add 2012 to FSF copyright years for Emacs files.

[gnus] / lisp / nnheader.el

diff --git a/lisp/nnheader.el b/lisp/nnheader.el
index 08dc96d..f98b34c 100644 (file)
--- a/lisp/nnheader.el
+++ b/lisp/nnheader.el
@@ -1,8 +1,7 @@
 ;;; nnheader.el --- header access macros for Gnus and its backends
 
-;; Copyright (C) 1987, 1988, 1989, 1990, 1993, 1994,
-;;   1995, 1996, 1997, 1998, 2000, 2001, 2002, 2003,
-;;   2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+;; Copyright (C) 1987-1990, 1993-1998, 2000-2012
+;;   Free Software Foundation, Inc.
 
 ;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
 ;;     Lars Magne Ingebrigtsen <larsi@gnus.org>
@@ -44,6 +43,8 @@
 (require 'mail-utils)
 (require 'mm-util)
 (require 'gnus-util)
+(autoload 'gnus-range-add "gnus-range")
+(autoload 'gnus-remove-from-range "gnus-range")
 ;; FIXME none of these are used explicitly in this file.
 (autoload 'gnus-sorted-intersection "gnus-range")
 (autoload 'gnus-intersection "gnus-range")
@@ -1078,6 +1079,46 @@ See `find-file-noselect' for the arguments."
                   (truncate nnheader-read-timeout))
                1000))))
 
+(defun nnheader-update-marks-actions (backend-marks actions)
+  (dolist (action actions)
+    (let ((range (nth 0 action))
+         (what  (nth 1 action))
+         (marks (nth 2 action)))
+      (dolist (mark marks)
+       (setq backend-marks
+             (gnus-update-alist-soft
+              mark
+              (cond
+               ((eq what 'add)
+                (gnus-range-add (cdr (assoc mark backend-marks)) range))
+               ((eq what 'del)
+                (gnus-remove-from-range
+                 (cdr (assoc mark backend-marks)) range))
+               ((eq what 'set)
+                range))
+              backend-marks)))))
+  backend-marks)
+
+(defmacro nnheader-insert-buffer-substring (buffer &optional start end)
+  "Copy string from unibyte buffer to multibyte current buffer."
+  (if (featurep 'xemacs)
+      `(insert-buffer-substring ,buffer ,start ,end)
+    `(if enable-multibyte-characters
+        (insert (with-current-buffer ,buffer
+                  (mm-string-to-multibyte
+                   ,(if (or start end)
+                        `(buffer-substring (or ,start (point-min))
+                                           (or ,end (point-max)))
+                      '(buffer-string)))))
+       (insert-buffer-substring ,buffer ,start ,end))))
+
+(defvar nnheader-last-message-time '(0 0))
+(defun nnheader-message-maybe (&rest args)
+  (let ((now (current-time)))
+    (when (> (float-time (time-subtract now nnheader-last-message-time)) 1)
+      (setq nnheader-last-message-time now)
+      (apply 'nnheader-message args))))
+
 (when (featurep 'xemacs)
   (require 'nnheaderxm))