Index: trunk/src/obj_pstk.h
===================================================================
--- trunk/src/obj_pstk.h	(revision 18043)
+++ trunk/src/obj_pstk.h	(revision 18044)
@@ -125,6 +125,10 @@
    them into shapes of the dst proto. Does not remove input objects. */
 int pcb_pstk_proto_conv(pcb_data_t *data, pcb_pstk_proto_t *dst, int quiet, vtp0_t *objs, pcb_coord_t ox, pcb_coord_t oy);
 
+/* Break up src into discrete non-pstk objects placed in dst, one object
+   per layer type. The hole is ignored. If remove_src is true, also remove
+   src padstack. */
+int pcb_pstk_proto_breakup(pcb_data_t *dst, pcb_pstk_t *src, pcb_bool remove_src);
 
 /* free fields of a proto (not freeing the proto itself, not removing it from lists */
 void pcb_pstk_proto_free_fields(pcb_pstk_proto_t *dst);
Index: trunk/src/obj_pstk_proto.c
===================================================================
--- trunk/src/obj_pstk_proto.c	(revision 18043)
+++ trunk/src/obj_pstk_proto.c	(revision 18044)
@@ -287,6 +287,12 @@
 	return ret;
 }
 
+int pcb_pstk_proto_breakup(pcb_data_t *dst, pcb_pstk_t *src, pcb_bool remove_src)
+{
+
+	return -1;
+}
+
 int pcb_pstk_proto_conv_selection(pcb_board_t *pcb, pcb_pstk_proto_t *dst, int quiet, pcb_coord_t ox, pcb_coord_t oy)
 {
 	int ret;