Index: trunk/src_plugins/lib_polyhelp/polyhelp.c
===================================================================
--- trunk/src_plugins/lib_polyhelp/polyhelp.c	(revision 15291)
+++ trunk/src_plugins/lib_polyhelp/polyhelp.c	(revision 15292)
@@ -72,18 +72,21 @@
 }
 #endif
 
-void pcb_pline_to_lines(pcb_layer_t *dst, const pcb_pline_t *src, pcb_coord_t thickness, pcb_coord_t clearance, pcb_flag_t flags)
+pcb_cardinal_t pcb_pline_to_lines(pcb_layer_t *dst, const pcb_pline_t *src, pcb_coord_t thickness, pcb_coord_t clearance, pcb_flag_t flags)
 {
 	const pcb_vnode_t *v, *n;
 	pcb_pline_t *track = pcb_pline_dup_offset(src, -((thickness/2)+1));
+	pcb_cardinal_t cnt = 0;
 
 	v = &track->head;
 	do {
 		n = v->next;
 		pcb_line_new(dst, v->point[0], v->point[1], n->point[0], n->point[1], thickness, clearance, flags);
+		cnt++;
 	}
 	while((v = v->next) != &track->head);
 	pcb_poly_contour_del(&track);
+	return cnt;
 }
 
 pcb_bool pcb_pline_is_aligned(const pcb_pline_t *src)
Index: trunk/src_plugins/lib_polyhelp/polyhelp.h
===================================================================
--- trunk/src_plugins/lib_polyhelp/polyhelp.h	(revision 15291)
+++ trunk/src_plugins/lib_polyhelp/polyhelp.h	(revision 15292)
@@ -31,8 +31,8 @@
 
 /* Add lines on dst tracing pline from the inner side (no line will extend
    outside of the original pline, except when the original polygon has a hair
-   narrower than thickness) */
-void pcb_pline_to_lines(pcb_layer_t *dst, const pcb_pline_t *src, pcb_coord_t thickness, pcb_coord_t clearance, pcb_flag_t flags);
+   narrower than thickness). Returns number of lines created */
+pcb_cardinal_t pcb_pline_to_lines(pcb_layer_t *dst, const pcb_pline_t *src, pcb_coord_t thickness, pcb_coord_t clearance, pcb_flag_t flags);
 
 /* Returns whether the clipped polygon is a simple rectangle (single island,
    no-hole rectangle). */