(mail-rfc822-time-zone, mail-rfc822-date): New fns.

1 files changed, 15 insertions, 0 deletions

diff --git a/lisp/mail/mail-utils.el b/lisp/mail/mail-utils.el
index 0d32fbe23fe..5f45ab00acd 100644
--- a/lisp/mail/mail-utils.el
+++ b/lisp/mail/mail-utils.el
@@ -211,6 +211,21 @@ If third arg ALL is non-nil, concatenate all such fields with commas between."
                     "\\|"
                     (substring labels (match-end 0))))))
   labels)
+
+(defun mail-rfc822-time-zone (time)
+  (let* ((sec (or (car (current-time-zone time)) 0))
+         (absmin (/ (abs sec) 60)))
+    (format "%c%02d%02d" (if (< sec 0) ?- ?+) (/ absmin 60) (% absmin 60))))
+
+(defun mail-rfc822-date ()
+  (let* ((time (current-time))
+         (s (current-time-string time)))
+    (string-match "[^ ]+ +\\([^ ]+\\) +\\([^ ]+\\) \\([^ ]+\\) \\([^ ]+\\)" s)
+    (concat (substring s (match-beginning 2) (match-end 2)) " "
+            (substring s (match-beginning 1) (match-end 1)) " "
+            (substring s (match-beginning 4) (match-end 4)) " "
+            (substring s (match-beginning 3) (match-end 3)) " "
+            (mail-rfc822-time-zone time))))
 
 (provide 'mail-utils)