From: Mark Andrews <marka@isc.org>
Date: Thu, 9 Dec 2010 04:17:15 +0000 (+0000)
Subject: add comment
X-Git-Tag: v9.8.0-P1~268
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=b44bb860681d088bb487e60c736a548295801fb1;p=thirdparty%2Fbind9.git

add comment
---

diff --git a/lib/dns/dns64.c b/lib/dns/dns64.c
index 7166fdf3898..b0d502079ed 100644
--- a/lib/dns/dns64.c
+++ b/lib/dns/dns64.c
@@ -14,7 +14,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: dns64.c,v 1.4 2010/12/09 04:01:43 marka Exp $ */
+/* $Id: dns64.c,v 1.5 2010/12/09 04:17:15 marka Exp $ */
 
 #include <config.h>
 
@@ -169,6 +169,7 @@ dns_dns64_aaaafroma(const dns_dns64_t *dns64, const isc_netaddr_t *reqaddr,
 	INSIST(nbytes <= 12);
 	/* Copy prefix. */
 	memcpy(aaaa, dns64->bits, nbytes);
+	/* Bits 64-71 are zeros. draft-ietf-behave-address-format-04 */
 	if (nbytes == 8)
 		aaaa[nbytes++] = 0;
 	/* Copy mapped address. */