[GRASS-SVN] r47855 - grass/trunk/lib/vector/Vlib

[svn_grass at osgeo.org]

Author: martinl
Date: 2011-08-23 09:23:31 -0700 (Tue, 23 Aug 2011)
New Revision: 47855

Modified:
   grass/trunk/lib/vector/Vlib/build_ogr.c
Log:
vlib: don't build when no OGR layer available


Modified: grass/trunk/lib/vector/Vlib/build_ogr.c
===================================================================
--- grass/trunk/lib/vector/Vlib/build_ogr.c	2011-08-23 14:35:47 UTC (rev 47854)
+++ grass/trunk/lib/vector/Vlib/build_ogr.c	2011-08-23 16:23:31 UTC (rev 47855)
@@ -360,6 +360,11 @@
     Map->fInfo.ogr.offset_num = 0;
     Map->fInfo.ogr.offset_alloc = 0;
     
+    if (!Map->fInfo.ogr.layer) {
+	G_warning(_("Empty OGR layer, nothing to build"));
+	return 0;
+    }
+    
     if (OGR_L_TestCapability(Map->fInfo.ogr.layer, OLCTransactions))
 	OGR_L_CommitTransaction(Map->fInfo.ogr.layer);