Fix crash when read marker is moved before first line displayed (when first line of buffer is removed)

1 files changed, 8 insertions, 0 deletions

diff --git a/src/gui/gui-chat.c b/src/gui/gui-chat.c
index 2e0b7c40d..87249999a 100644
--- a/src/gui/gui-chat.c
+++ b/src/gui/gui-chat.c
@@ -692,6 +692,14 @@ gui_chat_line_free (struct t_gui_buffer *buffer, struct t_gui_line *line)
         }
     }
     
+    /* move read marker if it was on line we are removing */
+    if (buffer->last_read_line == line)
+    {
+        buffer->last_read_line = buffer->last_read_line->prev_line;
+        buffer->first_line_not_read = (buffer->last_read_line) ? 0 : 1;
+        gui_buffer_ask_chat_refresh (buffer, 1);
+    }
+    
     /* free data */
     if (line->str_time)
         free (line->str_time);