From: Roy Marples <roy@marples.name>
Date: Wed, 9 Jan 2008 12:34:34 +0000 (+0000)
Subject: Write the real routing message length, fixing the addition of routes on NetBSD and... 
X-Git-Tag: v3.2.3~97
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=be37cc89a16b15988b7860e7779bc208f81c3491;p=thirdparty%2Fdhcpcd.git

Write the real routing message length, fixing the addition of routes on NetBSD and hopefully  OpenBSD.
---

diff --git a/interface.c b/interface.c
index c1ae633a..0e27450e 100644
--- a/interface.c
+++ b/interface.c
@@ -629,8 +629,8 @@ static int do_route (const char *ifname,
 	ADDADDR (netmask);
 #undef ADDADDR
 
-	rtm.hdr.rtm_msglen = sizeof (rtm);
-	if (write (s, &rtm, sizeof (rtm)) == -1) {
+	rtm.hdr.rtm_msglen = l = bp - (char *)&rtm;
+	if (write (s, &rtm, l) == -1) {
 		/* Don't report error about routes already existing */
 		if (errno != EEXIST)
 			logger (LOG_ERR, "write: %s", strerror (errno));