From 44e985bf8cb16181f04508263992380563be9f0a Mon Sep 17 00:00:00 2001
From: Kaspar Schleiser <kaspar@schleiser.de>
Date: Fri, 5 Feb 2016 10:12:02 +0100
Subject: [PATCH] sys: net: ipv6: add print_ipv6_addr()

---
 sys/include/net/ipv6/addr.h                 |  7 +++++++
 sys/net/network_layer/ipv6/addr/ipv6_addr.c | 19 +++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/sys/include/net/ipv6/addr.h b/sys/include/net/ipv6/addr.h
index 373d2654d5..c0c187a107 100644
--- a/sys/include/net/ipv6/addr.h
+++ b/sys/include/net/ipv6/addr.h
@@ -709,6 +709,13 @@ static inline int ipv6_addr_split_iface(char *addr_str)
     return ipv6_addr_split(addr_str, '%', -1);
 }
 
+/**
+ * @brief Print IPv6 address to stdout
+ *
+ * @param[in]   addr  Pointer to ipv6_addr_t to print
+ */
+void ipv6_addr_print(const ipv6_addr_t *addr);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/sys/net/network_layer/ipv6/addr/ipv6_addr.c b/sys/net/network_layer/ipv6/addr/ipv6_addr.c
index b26ba56555..8627e99b83 100644
--- a/sys/net/network_layer/ipv6/addr/ipv6_addr.c
+++ b/sys/net/network_layer/ipv6/addr/ipv6_addr.c
@@ -14,11 +14,18 @@
  * @author      Martine Lenders <mlenders@inf.fu-berlin.de>
  */
 
+#include <assert.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "net/ipv6/addr.h"
 
+#ifdef MODULE_FMT
+#include "fmt.h"
+#else
+#include <stdio.h>
+#endif
+
 bool ipv6_addr_equal(const ipv6_addr_t *a, const ipv6_addr_t *b)
 {
     return (a->u64[0].u64 == b->u64[0].u64) &&
@@ -122,6 +129,18 @@ int ipv6_addr_split(char *addr_str, char seperator, int _default)
     return _default;
 }
 
+void ipv6_addr_print(const ipv6_addr_t *addr)
+{
+    assert(addr);
+    char addr_str[IPV6_ADDR_MAX_STR_LEN];
+    ipv6_addr_to_str(addr_str, addr, sizeof(addr_str));
+#ifdef MODULE_FMT
+    print_str(addr_str);
+#else
+    printf("%s", addr_str);
+#endif
+}
+
 /**
  * @}
  */