# HG changeset patch
# User Thinker K.F. Li <thinker@codemud.net>
# Date 1284697296 -28800
# Node ID f3ce3598612fc1a4b4e7a0a810412b576a7620f1
# Parent  51da337879bda123ffea770b1fb7eec909801c5f
Avoid to add a coord to dirty_pcache_area_coords twice or more

diff -r 51da337879bd -r f3ce3598612f src/redraw_man.c
--- a/src/redraw_man.c	Fri Sep 17 12:21:35 2010 +0800
+++ b/src/redraw_man.c	Fri Sep 17 12:21:36 2010 +0800
@@ -474,8 +474,10 @@
 }
 
 static int add_dirty_pcache_area_coord(redraw_man_t *rdman, coord_t *coord) {
-    coord_set_flags(coord, COF_DIRTY_PCACHE_AREA);
-    ADD_DATA(coords, dirty_pcache_area_coords, coord);
+    if(!coord_get_flags(coord, COF_DIRTY_PCACHE_AREA)) {
+	coord_set_flags(coord, COF_DIRTY_PCACHE_AREA);
+	ADD_DATA(coords, dirty_pcache_area_coords, coord);
+    }
     return OK;
 }