Add wider IPAddress support in api

PubSubClient/examples/mqtt_auth/mqtt_auth.ino

@@ -1,6 +1,6 @@
 /*
  Basic MQTT example with Authentication
- 
+
   - connects to an MQTT server, providing username
     and password
   - publishes "hello world" to the topic "outTopic"
@@ -13,8 +13,8 @@
 
 // Update these with values suitable for your network.
 byte mac[]    = {  0xDE, 0xED, 0xBA, 0xFE, 0xFE, 0xED };
-byte server[] = { 172, 16, 0, 2 };
-byte ip[]     = { 172, 16, 0, 100 };
+IPAddress ip(172, 16, 0, 100);
+IPAddress server(172, 16, 0, 2);
 
 void callback(char* topic, byte* payload, unsigned int length) {
   // handle message arrived
@@ -36,4 +36,3 @@ void loop()
 {
   client.loop();
 }
-

PubSubClient/examples/mqtt_basic/mqtt_basic.ino

@@ -1,6 +1,6 @@
 /*
- Basic MQTT example 
- 
+ Basic MQTT example
+
   - connects to an MQTT server
   - publishes "hello world" to the topic "outTopic"
   - subscribes to the topic "inTopic"
@@ -12,8 +12,8 @@
 
 // Update these with values suitable for your network.
 byte mac[]    = {  0xDE, 0xED, 0xBA, 0xFE, 0xFE, 0xED };
-byte server[] = { 172, 16, 0, 2 };
-byte ip[]     = { 172, 16, 0, 100 };
+IPAddress ip(172, 16, 0, 100);
+IPAddress server(172, 16, 0, 2);
 
 void callback(char* topic, byte* payload, unsigned int length) {
   // handle message arrived
@@ -35,4 +35,3 @@ void loop()
 {
   client.loop();
 }
-

PubSubClient/examples/mqtt_publish_in_callback/mqtt_publish_in_callback.ino

@@ -1,17 +1,17 @@
 /*
- Publishing in the callback 
- 
+ Publishing in the callback
+
   - connects to an MQTT server
   - subscribes to the topic "inTopic"
   - when a message is received, republishes it to "outTopic"
-  
+
   This example shows how to publish messages within the
   callback function. The callback function header needs to
-  be declared before the PubSubClient constructor and the 
+  be declared before the PubSubClient constructor and the
   actual callback defined afterwards.
   This ensures the client reference in the callback function
   is valid.
-  
+
 */
 
 #include <SPI.h>
@@ -20,8 +20,8 @@
 
 // Update these with values suitable for your network.
 byte mac[]    = {  0xDE, 0xED, 0xBA, 0xFE, 0xFE, 0xED };
-byte server[] = { 172, 16, 0, 2 };
-byte ip[]     = { 172, 16, 0, 100 };
+IPAddress ip(172, 16, 0, 100);
+IPAddress server(172, 16, 0, 2);
 
 // Callback function header
 void callback(char* topic, byte* payload, unsigned int length);
@@ -34,7 +34,7 @@ void callback(char* topic, byte* payload, unsigned int length) {
   // In order to republish this payload, a copy must be made
   // as the orignal payload buffer will be overwritten whilst
   // constructing the PUBLISH packet.
-  
+
   // Allocate the correct amount of memory for the payload copy
   byte* p = (byte*)malloc(length);
   // Copy the payload to the new buffer
@@ -46,7 +46,7 @@ void callback(char* topic, byte* payload, unsigned int length) {
 
 void setup()
 {
-  
+
   Ethernet.begin(mac, ip);
   if (client.connect("arduinoClient")) {
     client.publish("outTopic","hello world");
@@ -58,4 +58,3 @@ void loop()
 {
   client.loop();
 }
-

PubSubClient/examples/mqtt_stream/mqtt_stream.ino

@@ -16,8 +16,8 @@
 
 // Update these with values suitable for your network.
 byte mac[]    = {  0xDE, 0xED, 0xBA, 0xFE, 0xFE, 0xED };
-byte server[] = { 172, 16, 0, 2 };
-byte ip[]     = { 172, 16, 0, 100 };
+IPAddress ip(172, 16, 0, 100);
+IPAddress server(172, 16, 0, 2);
 
 SRAM sram(4, SRAM_1024);
 
@@ -29,7 +29,7 @@ void callback(char* topic, byte* payload, unsigned int length) {
     Serial.write(sram.read());
   }
   Serial.println();
-  
+
   // Reset position for the next message to be stored
   sram.seek(1);
 }
@@ -47,7 +47,7 @@ void setup()
 
   sram.begin();
   sram.seek(1);
-  
+
   Serial.begin(9600);
 }
 
@@ -55,4 +55,3 @@ void loop()
 {
   client.loop();
 }
-