add more libc functions, fix possible null prt, force close of tcp on error, fix printf / serial.print mix problems, code style

hardware/esp8266com/esp8266/cores/esp8266/Arduino.h

@@ -1,21 +1,21 @@
 /*
-  Arduino.h - Main include file for the Arduino SDK
-  Copyright (c) 2005-2013 Arduino Team.  All right reserved.
+ Arduino.h - Main include file for the Arduino SDK
+ Copyright (c) 2005-2013 Arduino Team.  All right reserved.
 
-  This library is free software; you can redistribute it and/or
-  modify it under the terms of the GNU Lesser General Public
-  License as published by the Free Software Foundation; either
-  version 2.1 of the License, or (at your option) any later version.
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
 
-  This library is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-  Lesser General Public License for more details.
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ Lesser General Public License for more details.
 
-  You should have received a copy of the GNU Lesser General Public
-  License along with this library; if not, write to the Free Software
-  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-*/
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
 
 #ifndef Arduino_h
 #define Arduino_h
@@ -30,7 +30,7 @@
 #include "pgmspace.h"
 
 #ifdef __cplusplus
-extern "C"{
+extern "C" {
 #endif
 
 void yield(void);
@@ -144,7 +144,6 @@ volatile uint32_t* portOutputRegister(uint32_t port);
 volatile uint32_t* portInputRegister(uint32_t port);
 volatile uint32_t* portModeRegister(uint32_t port);
 
-
 #define NOT_A_PIN 0
 #define NOT_A_PORT 0
 #define NOT_AN_INTERRUPT -1

hardware/esp8266com/esp8266/cores/esp8266/Client.h

@@ -1,45 +1,48 @@
 /*
-  Client.h - Base class that provides Client
-  Copyright (c) 2011 Adrian McEwen.  All right reserved.
+ Client.h - Base class that provides Client
+ Copyright (c) 2011 Adrian McEwen.  All right reserved.
 
-  This library is free software; you can redistribute it and/or
-  modify it under the terms of the GNU Lesser General Public
-  License as published by the Free Software Foundation; either
-  version 2.1 of the License, or (at your option) any later version.
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
 
-  This library is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-  Lesser General Public License for more details.
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ Lesser General Public License for more details.
 
-  You should have received a copy of the GNU Lesser General Public
-  License along with this library; if not, write to the Free Software
-  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
-*/
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
 
 #ifndef client_h
 #define client_h
 #include "Print.h"
 #include "Stream.h"
 #include "IPAddress.h"
 
-class Client : public Stream {
+class Client: public Stream {
 
-public:
-  virtual int connect(IPAddress ip, uint16_t port) =0;
-  virtual int connect(const char *host, uint16_t port) =0;
-  virtual size_t write(uint8_t) =0;
-  virtual size_t write(const uint8_t *buf, size_t size) =0;
-  virtual int available() = 0;
-  virtual int read() = 0;
-  virtual int read(uint8_t *buf, size_t size) = 0;
-  virtual int peek() = 0;
-  virtual void flush() = 0;
-  virtual void stop() = 0;
-  virtual uint8_t connected() = 0;
-  virtual operator bool() = 0;
-protected:
-  uint8_t* rawIPAddress(IPAddress& addr) { return addr.raw_address(); };
+    public:
+        virtual int connect(IPAddress ip, uint16_t port) =0;
+        virtual int connect(const char *host, uint16_t port) =0;
+        virtual size_t write(uint8_t) =0;
+        virtual size_t write(const uint8_t *buf, size_t size) =0;
+        virtual int available() = 0;
+        virtual int read() = 0;
+        virtual int read(uint8_t *buf, size_t size) = 0;
+        virtual int peek() = 0;
+        virtual void flush() = 0;
+        virtual void stop() = 0;
+        virtual uint8_t connected() = 0;
+        virtual operator bool() = 0;
+    protected:
+        uint8_t* rawIPAddress(IPAddress& addr) {
+            return addr.raw_address();
+        }
+        ;
 };
 
 #endif