From 85196a756368956c1a5b97d6fafbf583647d2aed Mon Sep 17 00:00:00 2001
From: Mathieu Maret <mathieu.maret@gmail.com>
Date: Thu, 7 Apr 2016 16:14:19 +0200
Subject: [PATCH] Fix Warnings

---
 WifiControlSensor/EEPROM.ino            | 4 ++--
 WifiControlSensor/MQTT.ino              | 4 ++--
 WifiControlSensor/WebServer.ino         | 6 +++---
 WifiControlSensor/WifiControlSensor.ino | 2 +-
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/WifiControlSensor/EEPROM.ino b/WifiControlSensor/EEPROM.ino
index 5908fc1..5286c45 100644
--- a/WifiControlSensor/EEPROM.ino
+++ b/WifiControlSensor/EEPROM.ino
@@ -25,7 +25,7 @@ int EepromSaveConfig(uint8_t bootMode, String ssid, String password, String host
 
   SKETCH_DEBUG_PRINTLN("Saving " + eeprom);
 
-  for (int i = 0; i < eeprom.length() && i < CONFIG_EEPROM_SIZE; i++) {
+  for (uint i = 0; i < eeprom.length() && i < CONFIG_EEPROM_SIZE; i++) {
     EEPROM.write(i, eeprom.charAt(i));
   }
 
@@ -63,7 +63,7 @@ void EepromReadConfig(uint8_t &bootMode, char **ssid, char **password, char **ho
   int i = 2;
 
   uint8_t boot = EEPROM.read(0);
-  char *tmpString = "";
+  char *tmpString;
 
   if (boot == '1') {
     bootMode = BOOTMODE_NORMAL;
diff --git a/WifiControlSensor/MQTT.ino b/WifiControlSensor/MQTT.ino
index 51422d5..5605054 100644
--- a/WifiControlSensor/MQTT.ino
+++ b/WifiControlSensor/MQTT.ino
@@ -49,7 +49,7 @@ int MqttSetup(char *server, char *user, char *passwd, int port, char * hostname)
 
   isMqttConfigured = server[0] != '\0';
 
-  for (int i = 0 ; i < NB_ELEMENTS(gpioWatched) && i < MAXSUBSCRIPTIONS; i++) {
+  for (uint i = 0 ; i < NB_ELEMENTS(gpioWatched) && i < MAXSUBSCRIPTIONS; i++) {
     snprintf(GPIO_FEED[i], FEED_MAX_SIZE, GPIO_FEED_FORMAT, mqttId, gpioWatched[i]);
     snprintf(GPIO_SET_FEED[i], FEED_MAX_SIZE, GPIO_SET_FEED_FORMAT, mqttId, gpioWatched[i]);
 
@@ -126,7 +126,7 @@ int getGpioFromSubscription(Adafruit_MQTT_Subscribe *subscription) {
 }
 
 int getGpioWatchedIndex(int gpio) {
-  for ( int i = 0; i < NB_ELEMENTS(gpioWatched); i++) {
+  for ( uint i = 0; i < NB_ELEMENTS(gpioWatched); i++) {
     if (gpio == gpioWatched[i])
       return i;
   }
diff --git a/WifiControlSensor/WebServer.ino b/WifiControlSensor/WebServer.ino
index 8b2f71c..eb717b5 100644
--- a/WifiControlSensor/WebServer.ino
+++ b/WifiControlSensor/WebServer.ino
@@ -37,7 +37,7 @@ void WebHandleRoot() {
              );
 }
 
-void WebSendError(String error) {
+void WebSendError(const char *error) {
   server.send(500, "text/plain", error);
 }
 
@@ -96,7 +96,7 @@ void WebHandleGpio() {
   server.send(200, "text/html", "<h1>GPIO" + server.arg("gpio") + " changed to " + server.arg("value") + "</h1>");
 }
 
-boolean WebSetIp(IPAddress &addr, char *id, String error) {
+boolean WebSetIp(IPAddress &addr, const char *id, const char *error) {
   if (server.arg(id) != "" && !addr.fromString(server.arg(id).c_str())) {
     WebSendError(error);
     return false;
@@ -171,7 +171,7 @@ void WebHandleReboot() {
   ESP.restart();
 }
 
-void WebSetupServer(int bootmode) {
+void WebSetupServer(int ) {
   server.on("/", WebHandleRoot);
   server.on("/setup", WebHandleSetup);
   server.on("/save", WebHandleSave);
diff --git a/WifiControlSensor/WifiControlSensor.ino b/WifiControlSensor/WifiControlSensor.ino
index c789053..dd97dcb 100644
--- a/WifiControlSensor/WifiControlSensor.ino
+++ b/WifiControlSensor/WifiControlSensor.ino
@@ -57,7 +57,7 @@ char eeprom[CONFIG_EEPROM_SIZE];
 double temp, pressure;
 float dhtTemp, dhtHumidity;
 uint8_t mode;
-char *hostName = "";
+const char *hostName = "";
 
 /* Set these to your desired credentials. */
 const char *ssid = CONFIG_SSID_NAME;