From ebd103775dcf1285c0eca87f83a0c48d0922da8b Mon Sep 17 00:00:00 2001
From: Jan Breuer <jan.breuer@jaybee.cz>
Date: Wed, 11 May 2016 18:11:05 +0200
Subject: [PATCH] ipv6_addr: Render last zero in ip6addr_ntoa_r if not in first
 empty block

---
 src/core/ipv6/ip6_addr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/ipv6/ip6_addr.c b/src/core/ipv6/ip6_addr.c
index 44d57607..7f14db44 100644
--- a/src/core/ipv6/ip6_addr.c
+++ b/src/core/ipv6/ip6_addr.c
@@ -207,7 +207,7 @@ ip6addr_ntoa_r(const ip6_addr_t *addr, char *buf, int buflen)
 
     /* Check for empty block. */
     if (current_block_value == 0) {
-      if (current_block_index == 7) {
+      if (current_block_index == 7 && empty_block_flag == 1) {
         /* special case, we must render a ':' for the last block. */
         buf[i++] = ':';
         if (i >= buflen) {