From 3af0a7824db50bd0aaf1320dbb7358ad7a05d468 Mon Sep 17 00:00:00 2001
From: "Nicholas J. Kain" <nicholas@kain.us>
Date: Fri, 14 Mar 2014 23:22:23 -0400
Subject: [PATCH] subnet4_to_prefixlen() should use ntohl().

---
 ndhc/ifset.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ndhc/ifset.c b/ndhc/ifset.c
index 84336c0..3faf9b6 100644
--- a/ndhc/ifset.c
+++ b/ndhc/ifset.c
@@ -103,7 +103,7 @@ static int trailz(uint32_t v)
 // sn must be in network order
 static inline int subnet4_to_prefixlen(uint32_t sn)
 {
-    return 32 - trailz(sn);
+    return 32 - trailz(ntohl(sn));
 }
 
 // str_bcast is optional.