Modifying String from new/delete to malloc()/free(). Also #include'ing WString.h from WProgram.h.

cores/arduino/WProgram.h

@@ -10,6 +10,7 @@
 #include "wiring.h"
 
 #ifdef __cplusplus
+#include "WString.h"
 #include "HardwareSerial.h"
 
 uint16_t makeWord(uint16_t w);

cores/arduino/WString.cpp

@@ -113,7 +113,7 @@ const String & String::operator=( const String &rhs )
 
   if ( rhs._length > _length )
   {
-    delete [] _buffer;
+    free(_buffer);
     getBuffer( rhs._length );
   }
   _length = rhs._length;
@@ -139,7 +139,7 @@ const String & String::operator+=( const String &other )
     char *temp = _buffer;
     getBuffer( _length );
     strcpy( _buffer, temp );
-    delete [] temp;
+    free(temp);
   }
   strcat( _buffer, other._buffer );
   return *this;

cores/arduino/WString.h

@@ -36,7 +36,7 @@ class String
     explicit String( const unsigned int, const int base=10 );
     explicit String( const long, const int base=10 );
     explicit String( const unsigned long, const int base=10 );
-    virtual ~String() { delete [] _buffer; }
+    ~String() { free(_buffer); }
 
     // operators
     const String & operator = ( const String &rhs );
@@ -84,8 +84,8 @@ class String
 
   protected:
     char *_buffer;	     // the actual char array
-    unsigned int _capacity;  // the array length
-    unsigned int _length;    // the String length
+    unsigned int _capacity;  // the array length minus one (for the '\0')
+    unsigned int _length;    // the String length (not counting the '\0')
 
     void getBuffer(unsigned int maxStrLen);
     void doubleBuffer( );
@@ -98,7 +98,7 @@ class String
 inline void String::getBuffer(unsigned int maxStrLen)
 {
   _capacity = maxStrLen;
-  _buffer = new char[_capacity + 1];
+  _buffer = (char *) malloc(_capacity + 1);
 }
 
 // double the buffer size
@@ -107,7 +107,7 @@ inline void String::doubleBuffer( )
   char *temp = _buffer;
   getBuffer( ++_capacity * 2 );
   strcpy( _buffer, temp );
-  delete [] temp;
+  free(temp);
 }
 
 inline String operator+( String lhs, const String &rhs )