From bbb108c51953ee002bc918276d7975c2da1b2a1a Mon Sep 17 00:00:00 2001
From: Matthew Iselin <matthew@theiselins.net>
Date: Thu, 26 May 2011 18:43:21 +1000
Subject: [PATCH] [ipv6] Make inet6_ntoa handle all-zero addresses properly

Signed-off-by: Matthew Iselin <matthew@theiselins.net>
Signed-off-by: Marty Connor <mdc@etherboot.org>
---
 src/net/ipv6.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/net/ipv6.c b/src/net/ipv6.c
index 8d884dbe..5ce4e1ac 100644
--- a/src/net/ipv6.c
+++ b/src/net/ipv6.c
@@ -378,6 +378,13 @@ char * inet6_ntoa ( struct in6_addr in6 ) {
 	static char buf[40];
 	uint16_t *bytes = ( uint16_t* ) &in6;
 	size_t i = 0, longest = 0, tmp = 0, long_idx = ~0;
+	
+	/* ::0 */
+	if ( IP6_EQUAL ( in6, ip6_none ) ) {
+		tmp = sprintf ( buf, "::0" );
+		buf[tmp] = 0;
+		return buf;
+	}
 
 	/* Determine the longest string of zeroes for zero-compression. */
 	for ( ; i < 8; i++ ) {
-- 
2.11.4.GIT