Added ip_scope_text() for translating of scopes to strings.

lib/Modules

@@ -2,6 +2,7 @@ birdlib.h
 bitops.c
 bitops.h
 ip.h
+ip.c
 #ifdef IPV6
 ipv6.c
 ipv6.h

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];
+}

lib/ip.h

@@ -38,6 +38,8 @@
 #define SCOPE_ORGANIZATION 3
 #define SCOPE_UNIVERSE 4
 
+char *ip_scope_text(unsigned);
+
 /*
  *	Is it a valid network prefix?
  */