X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/8ccbef23ea624d892bada3c66ef2339ada342997..11636b221d2897aed5ca9a762d7b61afd20b6168:/lisp/gnus/nnheader.el

diff --git a/lisp/gnus/nnheader.el b/lisp/gnus/nnheader.el
index b97fe5f807..a8e8e7d08e 100644
--- a/lisp/gnus/nnheader.el
+++ b/lisp/gnus/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, 2000-2011
+;;   Free Software Foundation, Inc.
 
 ;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
 ;;	Lars Magne Ingebrigtsen <larsi@gnus.org>
@@ -27,6 +26,7 @@
 
 ;;; Code:
 
+;; For Emacs <22.2 and XEmacs.
 (eval-and-compile
   (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
 (eval-when-compile (require 'cl))
@@ -43,6 +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")
@@ -365,15 +367,13 @@ on your system, you could say something like:
 	      (setq num 0
 		    beg (point-min)
 		    end (point-max))
-	    (goto-char (point-min))
 	    ;; Search to the beginning of the next header.  Error
 	    ;; messages do not begin with 2 or 3.
 	    (when (re-search-forward "^[23][0-9]+ " nil t)
-	      (end-of-line)
 	      (setq num (read cur)
 		    beg (point)
 		    end (if (search-forward "\n.\n" nil t)
-			    (- (point) 2)
+			    (goto-char  (- (point) 2))
 			  (point)))))
       (with-temp-buffer
 	(insert-buffer-substring cur beg end)
@@ -1079,6 +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))