From a6980fce4cdec90d3ab1e47f5fed7a63d4691cbf Mon Sep 17 00:00:00 2001
From: Angus Gratton <angus@espressif.com>
Date: Thu, 2 Mar 2017 14:50:58 +1100
Subject: [PATCH] lwip: Use strlcpy() instead of memcpy() to copy hostname to
 static buffer

---
 components/tcpip_adapter/tcpip_adapter_lwip.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/tcpip_adapter/tcpip_adapter_lwip.c b/components/tcpip_adapter/tcpip_adapter_lwip.c
index 6e1661754..c98825ec6 100644
--- a/components/tcpip_adapter/tcpip_adapter_lwip.c
+++ b/components/tcpip_adapter/tcpip_adapter_lwip.c
@@ -726,7 +726,7 @@ esp_err_t tcpip_adapter_set_hostname(tcpip_adapter_if_t tcpip_if, const char *ho
     p_netif = esp_netif[tcpip_if];
     if (p_netif != NULL) {
         memset(hostinfo[tcpip_if], 0, sizeof(hostinfo[tcpip_if]));
-        memcpy(hostinfo[tcpip_if], hostname, strlen(hostname));
+        strlcpy(hostinfo[tcpip_if], hostname, sizeof(hostinfo[tcpip_if]));
         p_netif->hostname = hostinfo[tcpip_if];
         return ESP_OK;
     } else {