[GRASS-SVN] r60691 - grass/trunk/lib/vector/Vlib

[svn_grass at osgeo.org]

Author: hcho
Date: 2014-06-03 07:44:18 -0700 (Tue, 03 Jun 2014)
New Revision: 60691

Modified:
   grass/trunk/lib/vector/Vlib/level_two.c
Log:
Vect_get_centroid_area(): fix seg fault with no centroid

Modified: grass/trunk/lib/vector/Vlib/level_two.c
===================================================================
--- grass/trunk/lib/vector/Vlib/level_two.c	2014-06-03 13:38:48 UTC (rev 60690)
+++ grass/trunk/lib/vector/Vlib/level_two.c	2014-06-03 14:44:18 UTC (rev 60691)
@@ -437,7 +437,7 @@
 
     check_level(Map);
     
-    if (Map->plus.Line[centroid]->type != GV_CENTROID)
+    if (centroid == 0 || Map->plus.Line[centroid]->type != GV_CENTROID)
 	return 0;
     
     topo = (struct P_topo_c *)Map->plus.Line[centroid]->topo;