[GRASS-SVN] r30694 - grass/trunk/display/d.vect

[svn_grass at osgeo.org]

Author: martinl
Date: 2008-03-22 15:18:26 -0400 (Sat, 22 Mar 2008)
New Revision: 30694

Modified:
   grass/trunk/display/d.vect/plot1.c
Log:
d.vect: avoid segfault when Points->n_points==0; use G_warning() instead of fprintf()

Modified: grass/trunk/display/d.vect/plot1.c
===================================================================
--- grass/trunk/display/d.vect/plot1.c	2008-03-22 14:50:12 UTC (rev 30693)
+++ grass/trunk/display/d.vect/plot1.c	2008-03-22 19:18:26 UTC (rev 30694)
@@ -282,7 +282,7 @@
 	    switch ( ltype )
 	    {
 	    case -1:
-		fprintf (stderr, _("\nERROR: vector map - can't read\n" ));
+		G_warning(_("Unable to read vector map"));
 		return -1;
 	    case -2: /* EOF */
 		return  0;
@@ -291,6 +291,9 @@
 
 	if ( !(type & ltype) ) continue;
 
+	if ( Points->n_points == 0 )
+	    continue;
+
 	if ( chcat ) {
 	     int found = 0;