[Nice] [nice/master] Add nice_address_is_valid function

[Olivier Crête]

---
 address/address.c |   13 +++++++++++++
 address/address.h |    4 ++++
 nice/libnice.sym  |    1 +
 3 files changed, 18 insertions(+), 0 deletions(-)

diff --git a/address/address.c b/address/address.c
index 0a00b49..1301792 100644
--- a/address/address.c
+++ b/address/address.c
@@ -299,3 +299,16 @@ nice_address_is_private (const NiceAddress *a)
   g_assert_not_reached ();
 }
 
+
+NICEAPI_EXPORT gboolean
+nice_address_is_valid (const NiceAddress *a)
+{
+ switch (a->s.addr.sa_family)
+    {
+    case AF_INET:
+    case AF_INET6:
+      return TRUE;
+    default:
+      return FALSE;
+    }
+}
diff --git a/address/address.h b/address/address.h
index 10fd721..50cfceb 100644
--- a/address/address.h
+++ b/address/address.h
@@ -107,6 +107,10 @@ nice_address_to_string (const NiceAddress *addr, gchar *dst);
 gboolean
 nice_address_is_private (const NiceAddress *a);
 
+G_GNUC_WARN_UNUSED_RESULT
+gboolean
+nice_address_is_valid (const NiceAddress *a);
+
 G_END_DECLS
 
 #endif /* _ADDRESS_H */
diff --git a/nice/libnice.sym b/nice/libnice.sym
index 8b92c68..503ea2d 100644
--- a/nice/libnice.sym
+++ b/nice/libnice.sym
@@ -4,6 +4,7 @@ nice_address_equal
 nice_address_free
 nice_address_get_port
 nice_address_is_private
+nice_address_is_valid
 nice_address_new
 nice_address_set_from_sockaddr
 nice_address_set_from_string
-- 
1.5.6.5