From ac1e153ec04c0c316819e86dc4c42fa172dd2e2c Mon Sep 17 00:00:00 2001
From: Theo Arends <11044339+arendst@users.noreply.github.com>
Date: Wed, 18 Dec 2019 11:54:31 +0100
Subject: [PATCH] Better and smaller AWS fix

---
 tasmota/settings.ino | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tasmota/settings.ino b/tasmota/settings.ino
index 881ec2e7c..bcc182de9 100644
--- a/tasmota/settings.ino
+++ b/tasmota/settings.ino
@@ -590,8 +590,7 @@ char* SettingsText(uint32_t index)
       case SET_WEBPWD:            position = Settings.web_password; break;
 #if defined(USE_MQTT_TLS) && defined(USE_MQTT_AWS_IOT)
       case SET_MQTT_HOST:
-        strncpy(aws_mqtt_host, Settings.mqtt_user, strlen(Settings.mqtt_user));
-        strncpy(&aws_mqtt_host[strlen(Settings.mqtt_user)], Settings.mqtt_host, strlen(Settings.mqtt_host));
+        snprintf_P(aws_mqtt_host, sizeof(aws_mqtt_host), PSTR("%s%s"), Settings.mqtt_user, Settings.mqtt_host);
         position = aws_mqtt_host; break;
       case SET_MQTT_USER:         position = aws_mqtt_user; break;
 #else