From c10cfb6aa0e57a33aece3ce81ba8a40d1fd03024 Mon Sep 17 00:00:00 2001
From: Sebastien Helleu <flashcode@flashtux.org>
Date: Wed, 17 Jul 2013 18:35:01 +0200
Subject: [PATCH] core: do nothing in "/window scroll_beyond_end" if the buffer
 has no lines

---
 src/gui/curses/gui-curses-window.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/gui/curses/gui-curses-window.c b/src/gui/curses/gui-curses-window.c
index fc5b8e9b3..21ec67da6 100644
--- a/src/gui/curses/gui-curses-window.c
+++ b/src/gui/curses/gui-curses-window.c
@@ -1498,9 +1498,12 @@ gui_window_scroll_beyond_end (struct t_gui_window *window)
     if (!gui_init_ok)
         return;
 
-    window->scroll->start_line = window->buffer->lines->last_line;
-    window->scroll->start_line_pos = -1;
-    gui_buffer_ask_chat_refresh (window->buffer, 2);
+    if (window->buffer->lines)
+    {
+        window->scroll->start_line = window->buffer->lines->last_line;
+        window->scroll->start_line_pos = -1;
+        gui_buffer_ask_chat_refresh (window->buffer, 2);
+    }
 }
 
 /*