[GRASS-SVN] r32919 - grass/trunk/display/d.legend

[svn_grass at osgeo.org]

Author: neteler
Date: 2008-08-20 08:18:35 -0400 (Wed, 20 Aug 2008)
New Revision: 32919

Modified:
   grass/trunk/display/d.legend/main.c
Log:
catch no data map

Modified: grass/trunk/display/d.legend/main.c
===================================================================
--- grass/trunk/display/d.legend/main.c	2008-08-20 12:12:22 UTC (rev 32918)
+++ grass/trunk/display/d.legend/main.c	2008-08-20 12:18:35 UTC (rev 32919)
@@ -329,6 +329,8 @@
 			  map_name);
 
 	G_get_range_min_max(&range, &min_ind, &max_ind);
+	if (G_is_c_null_value(&min_ind))
+	    G_fatal_error(_("Input map contains no data"));
 
 	G_get_color_range(&min_colr, &max_colr, &colors);