From c7b3ef3c6e3cf438c441dd031163a7839b462ffd Mon Sep 17 00:00:00 2001
From: Daiki Ueno <ueno@unixuser.org>
Date: Fri, 10 Dec 2004 08:11:36 +0000
Subject: [PATCH] * riece.el (riece-shrink-buffer): Shrink buffer based on
 chars instead of lines.

* riece-options.el (riece-shrink-buffer-remove-chars): New user option.
(riece-shrink-buffer-remove-lines): Abolish.
---
 lisp/ChangeLog        |  8 ++++++++
 lisp/riece-options.el | 10 +++++-----
 lisp/riece.el         | 11 +++++------
 3 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 515fa51..f37d34d 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,11 @@
+2004-12-10  Daiki Ueno  <ueno@unixuser.org>
+
+	* riece.el (riece-shrink-buffer): Shrink buffer based on chars
+	instead of lines.
+
+	* riece-options.el (riece-shrink-buffer-remove-chars): New user option.
+	(riece-shrink-buffer-remove-lines): Abolish.
+
 2004-12-08  Daiki Ueno  <ueno@unixuser.org>
 
 	* test/test-riece-log.el (test-riece-log-delete-directory):
diff --git a/lisp/riece-options.el b/lisp/riece-options.el
index b0975ba..a06a76c 100644
--- a/lisp/riece-options.el
+++ b/lisp/riece-options.el
@@ -290,17 +290,17 @@ way is to put Riece variables on .emacs or file loaded from there."
   :type 'integer
   :group 'riece-options)
 
-(defcustom riece-shrink-buffer-remove-lines 10
-  "Number of lines removed when shrinking channel buffers."
-  :type 'integer
-  :group 'riece-options)
-
 (defcustom riece-max-buffer-size 65535
   "Maximum size of channel buffers."
   :type '(radio (integer :tag "Number of characters")
 		(const nil))
   :group 'riece-options)
 
+(defcustom riece-shrink-buffer-remove-chars (/ riece-max-send-size 2)
+  "Number of chars removed when shrinking channel buffers."
+  :type 'integer
+  :group 'riece-options)
+
 (defcustom riece-format-time-function #'current-time-string
   "Function to convert the specified time to the human readable form."
   :type 'function
diff --git a/lisp/riece.el b/lisp/riece.el
index a7d8c92..b7c18eb 100644
--- a/lisp/riece.el
+++ b/lisp/riece.el
@@ -337,15 +337,14 @@ If optional argument CONFIRM is non-nil, ask which IRC server to connect."
     (while (> (buffer-size) riece-max-buffer-size)
       (let* ((inhibit-read-only t)
 	     buffer-read-only
-	     (start (point))
-	     (end (progn (beginning-of-line
-			  (1+ riece-shrink-buffer-remove-lines))
-			 (point)))
-	     (overlays (riece-overlays-in start end)))
+	     (end (progn
+		    (goto-char riece-shrink-buffer-remove-chars)
+		    (beginning-of-line 2)))
+	     (overlays (riece-overlays-in (point-min) end)))
 	(while overlays
 	  (riece-delete-overlay (car overlays))
 	  (setq overlays (cdr overlays)))
-	(delete-region start end)))))
+	(delete-region (point-min) end)))))
 
 (defun riece-exit ()
   (if riece-save-variables-are-dirty
-- 
2.25.1