From 320726b83e2096d9431f28208437a738b31d8ad9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Valverde?= <joao.valverde@tecnico.ulisboa.pt>
Date: Fri, 8 Apr 2016 05:18:13 +0100
Subject: Move IPv6 address utility functions to wsutil
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Change-Id: Ica8babbf4760b02e4840557fc61241152b2763c5
Reviewed-on: https://code.wireshark.org/review/13025
Petri-Dish: João Valverde <j@v6e.pt>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
Reviewed-by: João Valverde <j@v6e.pt>
---
 wsutil/inet_ipv6.h | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

(limited to 'wsutil')

diff --git a/wsutil/inet_ipv6.h b/wsutil/inet_ipv6.h
index 85a09e7105..21543253c4 100644
--- a/wsutil/inet_ipv6.h
+++ b/wsutil/inet_ipv6.h
@@ -26,4 +26,34 @@ struct e_in6_addr {
 	guint8   bytes[16];		/**< 128 bit IP6 address */
 };
 
+/**
+ * Unicast Scope
+ * Note that we must check topmost 10 bits only, not 16 bits (see RFC2373).
+ */
+#if 0 /* XXX Currently unused */
+static inline gboolean in6_is_addr_link_local(struct e_in6_addr *a) {
+    if ((a->bytes[0] == 0xfe) && ((a->bytes[1] & 0xc0) == 0x80)) {
+        return TRUE;
+    }
+    return FALSE;
+}
+
+static inline gboolean in6_is_addr_sitelocal(struct e_in6_addr *a) {
+    if ((a->bytes[0] == 0xfe) && ((a->bytes[1] & 0xc0) == 0xc0)) {
+        return TRUE;
+    }
+    return FALSE;
+}
+#endif
+
+/**
+ * Multicast
+ */
+static inline gboolean in6_is_addr_multicast(struct e_in6_addr *a) {
+    if (a->bytes[0] == 0xff) {
+        return TRUE;
+    }
+    return FALSE;
+}
+
 #endif
-- 
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