No longer necessary to obtain Ethernet header in netdev_send().

[sliver-openvswitch.git] / lib / socket-util.c

diff --git a/lib/socket-util.c b/lib/socket-util.c
index 8fa663a..ca08de5 100644 (file)
--- a/lib/socket-util.c
+++ b/lib/socket-util.c
@@ -254,3 +254,11 @@ error:
     close(fd);
     return -error;
 }
+
+int
+get_unix_name_len(socklen_t sun_len)
+{
+    return (sun_len >= offsetof(struct sockaddr_un, sun_path)
+            ? sun_len - offsetof(struct sockaddr_un, sun_path)
+            : 0);
+}