* nnmail.el (nnmail-split-it): Revoke the change of 1999-08-19.

[elisp/gnus.git-] / lisp / pop3.el

diff --git a/lisp/pop3.el b/lisp/pop3.el
index 1e17432..f2230c4 100644 (file)
--- a/lisp/pop3.el
+++ b/lisp/pop3.el
@@ -89,9 +89,9 @@ Used for APOP authentication.")
 (defvar pop3-uidl-file-name "~/.uidls"
   "File in which to store the UIDL of processed messages.")
 
-(defvar pop3-uidl-support 'dont-know
-  "Whether the server supports UIDL.
-Nil means no, t means yes, not-nil-or-t means yet to be determined.")
+(defvar pop3-uidl-support nil
+  "Alist of servers and flags of whether they support UIDLs.
+Users don't have to set this value.")
 
 (defvar pop3-uidl-obarray (make-vector 31 0)
   "Uidl hash table.")
@@ -238,7 +238,7 @@ Argument PORT specifies connecting port."
                    (goto-char (point-max))
                    (forward-line -1)
                    (not (looking-at "+OK")))
-         (accept-process-output process 1)
+         (nnheader-accept-process-output process)
          (sit-for 1))
        (delete-region (point-min) (point)))
       (and process (memq (process-status process) '(open run))
@@ -291,7 +291,7 @@ Return the response string if optional second argument RETURN is non-nil."
       (set-buffer (process-buffer process))
       (goto-char pop3-read-point)
       (while (not (search-forward "\r\n" nil t))
-       (accept-process-output process 0 500)
+       (nnheader-accept-process-output process)
        (goto-char pop3-read-point))
       (setq match-end (point))
       (goto-char pop3-read-point)
@@ -414,7 +414,8 @@ If NOW, use that time instead."
       ;; only retrieve messages matching our regexp or in the uidl list
       (when (and
             ;; remove elements not in the uidl, this assumes the uidl is short
-            (or (not (eq pop3-uidl-support t))
+            (or (not (and pop3-leave-mail-on-server
+                          (cdr (assoc pop3-mailhost pop3-uidl-support))))
                 (memq (caar messages) uidl))
             (caar messages)
             ;; don't download messages that are too large
@@ -425,14 +426,18 @@ If NOW, use that time instead."
                                     (pop3-top process (caar messages) 0)))))
        (push (car messages) out))
       (setq messages (cdr messages)))
-    (cons total (reverse out))))
+    (cons total (nreverse out))))
 
 (defun pop3-get-uidl (process)
   "Use PROCESS to get a list of unread message numbers."
-  (let ((messages (pop3-uidl process)) uidl)
-    (if (or (null messages) (null pop3-uidl-support))
-       (setq pop3-uidl-support nil)
-      (setq pop3-uidl-support t)
+  (let ((messages (pop3-uidl process))
+       (support (assoc pop3-mailhost pop3-uidl-support))
+       uidl)
+    (if support
+       (setcdr support (and messages t))
+      (push (cons pop3-mailhost (and messages t))
+           pop3-uidl-support))
+    (when messages
       (save-excursion
        (with-temp-buffer
          (when (file-readable-p pop3-uidl-file-name)
@@ -441,15 +446,13 @@ If NOW, use that time instead."
          (while (looking-at "\\([^ \n\t]+\\)")
            (set (intern (match-string 1) pop3-uidl-obarray)
                 (cons nil t))
-           (forward-line 1))
-         ))
+           (forward-line 1))))
       (dolist (message (cdr messages))
        (if (setq uidl (intern-soft (cdr message) pop3-uidl-obarray))
            (setcar (symbol-value uidl) (car message))
          (set (intern (cdr message) pop3-uidl-obarray)
               (cons (car message) nil))))
-      (pop3-get-unread-message-numbers))
-    ))
+      (pop3-get-unread-message-numbers))))
 
 (defun pop3-get-unread-message-numbers ()
   "Return a sorted list of unread msg numbers to retrieve."
@@ -699,7 +702,7 @@ If msgno is invalid, return nil.  Otherwise, return a string."
     (set-buffer (process-buffer process))
     (goto-char start)
     (while (not (re-search-forward "^\\.\r\n" nil t))
-      (accept-process-output process 3)
+      (nnheader-accept-process-output process)
       (goto-char start))
     (setq pop3-read-point (point-marker))
     (goto-char (match-beginning 0))