Index: trunk/src/drc.h
===================================================================
--- trunk/src/drc.h	(revision 21162)
+++ trunk/src/drc.h	(revision 21163)
@@ -75,4 +75,7 @@
 
 int pcb_drc_all(pcb_drc_list_t *lst);
 
+/* Slow, linear search for an UID in a list; returns NULL if not found */
+pcb_drc_violation_t *pcb_drc_by_uid(const pcb_drc_list_t *lst, unsigned long int uid);
+
 #endif
Index: trunk/src/drc_list.c
===================================================================
--- trunk/src/drc_list.c	(revision 21162)
+++ trunk/src/drc_list.c	(revision 21163)
@@ -53,3 +53,14 @@
 	pcb_drc_list_free_fields(lst);
 	free(lst);
 }
+
+pcb_drc_violation_t *pcb_drc_by_uid(const pcb_drc_list_t *lst, unsigned long int uid)
+{
+	pcb_drc_violation_t *v;
+
+	for(v = pcb_drc_list_first((pcb_drc_list_t *)lst); v != NULL; v = pcb_drc_list_next(v))
+		if (v->uid == uid)
+			return v;
+
+	return NULL;
+}