The directory exists.
I have not touched it. It is exactly as it was when I downloaded the latest version of the IDE (022)
Here is the content of the directory:
Directory of C:\???\”???—? —??\arduino-0022\hardware\arduino\cores\arduino
01/07/2011 07:52 PM <DIR> .
01/07/2011 07:52 PM <DIR> ..
12/24/2010 03:48 PM 10,894 binary.h
12/24/2010 03:48 PM 8,691 HardwareSerial.cpp
12/24/2010 03:48 PM 2,259 HardwareSerial.h
12/24/2010 03:48 PM 122 main.cpp
12/24/2010 03:48 PM 12,346 pins_arduino.c
12/24/2010 03:48 PM 3,091 pins_arduino.h
12/24/2010 03:48 PM 4,424 Print.cpp
12/24/2010 03:48 PM 2,056 Print.h
12/24/2010 03:48 PM 1,124 Stream.h
01/07/2011 07:52 PM 0 tmp.txt
12/24/2010 03:48 PM 14,911 Tone.cpp
12/24/2010 03:48 PM 4,743 WCharacter.h
12/24/2010 03:48 PM 21 WConstants.h
12/24/2010 03:48 PM 6,959 WInterrupts.c
12/24/2010 03:48 PM 8,389 wiring.c
12/24/2010 03:48 PM 3,709 wiring.h
12/24/2010 03:48 PM 6,954 wiring_analog.c
12/24/2010 03:48 PM 4,860 wiring_digital.c
12/24/2010 03:48 PM 1,772 wiring_private.h
12/24/2010 03:48 PM 2,712 wiring_pulse.c
12/24/2010 03:48 PM 1,656 wiring_shift.c
12/24/2010 03:48 PM 1,708 WMath.cpp
12/24/2010 03:48 PM 1,554 WProgram.h
12/24/2010 03:48 PM 9,953 WString.cpp
12/24/2010 03:48 PM 4,304 WString.h
25 File(s) 119,212 bytes
The file WString.h contains the following text:
/*
WString.h - String library for Wiring & Arduino
Copyright (c) 2009-10 Hernando Barragan. 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 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
*/
#ifndef String_h
#define String_h
//#include "WProgram.h"
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
class String
{
public:
// constructors
String( const char *value = "" );
String( const String &value );
String( const char );
String( const unsigned char );
String( const int, const int base=10);
String( const unsigned int, const int base=10 );
String( const long, const int base=10 );
String( const unsigned long, const int base=10 );
~String() { free(_buffer); _length = _capacity = 0;} //added _length = _capacity = 0;
// operators
const String & operator = ( const String &rhs );
const String & operator +=( const String &rhs );
//const String & operator +=( const char );
int operator ==( const String &rhs ) const;
int operator !=( const String &rhs ) const;
int operator < ( const String &rhs ) const;
int operator > ( const String &rhs ) const;
int operator <=( const String &rhs ) const;
int operator >=( const String &rhs ) const;
char operator []( unsigned int index ) const;
char& operator []( unsigned int index );
//operator const char *() const { return _buffer; }
// general methods
char charAt( unsigned int index ) const;
int compareTo( const String &anotherString ) const;
unsigned char endsWith( const String &suffix ) const;
unsigned char equals( const String &anObject ) const;
unsigned char equalsIgnoreCase( const String &anotherString ) const;
int indexOf( char ch ) const;
int indexOf( char ch, unsigned int fromIndex ) const;
int indexOf( const String &str ) const;
int indexOf( const String &str, unsigned int fromIndex ) const;
int lastIndexOf( char ch ) const;
int lastIndexOf( char ch, unsigned int fromIndex ) const;
int lastIndexOf( const String &str ) const;
int lastIndexOf( const String &str, unsigned int fromIndex ) const;
const unsigned int length( ) const { return _length; }
void setCharAt(unsigned int index, const char ch);
unsigned char startsWith( const String &prefix ) const;
unsigned char startsWith( const String &prefix, unsigned int toffset ) const;
String substring( unsigned int beginIndex ) const;
String substring( unsigned int beginIndex, unsigned int endIndex ) const;
String toLowerCase( ) const;
String toUpperCase( ) const;
String trim( ) const;
void getBytes(unsigned char *buf, unsigned int bufsize);
void toCharArray(char *buf, unsigned int bufsize);
long toInt( );
const String& concat( const String &str );
String replace( char oldChar, char newChar );
String replace( const String& match, const String& replace );
friend String operator + ( String lhs, const String &rhs );
protected:
char *_buffer; // the actual char array
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);
private:
};
// allocate buffer space
inline void String::getBuffer(unsigned int maxStrLen)
{
_capacity = maxStrLen;
_buffer = (char *) malloc(_capacity + 1);
if (_buffer == NULL) _length = _capacity = 0;
}
inline String operator+( String lhs, const String &rhs )
{
return lhs += rhs;
}
#endif