Added ip_scope_text() for translating of scopes to strings.

lib/ip.c

@@ -0,0 +1,24 @@
+/*
+ *	BIRD Library -- IP address routines common for IPv4 and IPv6
+ *
+ *	(c) 1998--1999 Martin Mares <mj@ucw.cz>
+ *
+ *	Can be freely distributed and used under the terms of the GNU GPL.
+ */
+
+#include <string.h>
+#include <stdlib.h>
+
+#include "nest/bird.h"
+#include "lib/ip.h"
+
+char *
+ip_scope_text(unsigned scope)
+{
+  static char *scope_table[] = { "host", "link", "site", "org", "univ" };
+
+  if (scope > SCOPE_UNIVERSE)
+    return "?";
+  else
+    return scope_table[scope];
+}