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

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This commit is contained in:
David A. Mellis 2010-07-04 16:36:52 +00:00
parent 99abaed344
commit 880bc682a9
4 changed files with 10 additions and 8 deletions
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1
build/shared/revisions.txt
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@ -2,6 +2,7 @@ ARDUINO 0019
[core / libraries]
* Added aliases for the analog input pins: A0, A1, etc.
* More accurate delay() function from BenF.
* Re-enabling PWM after tone() ends.

1
hardware/arduino/cores/arduino/WProgram.h
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@ -10,6 +10,7 @@
#include "wiring.h"
#ifdef __cplusplus
#include "WString.h"
#include "HardwareSerial.h"
uint16_t makeWord(uint16_t w);

4
hardware/arduino/cores/arduino/WString.cpp
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@ -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;

12
hardware/arduino/cores/arduino/WString.h
View File

@ -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 );
@ -50,7 +50,7 @@ class String
int operator >=( const String &rhs ) const;
char operator []( unsigned int index ) const;
char& operator []( unsigned int index );
// operator const char *() const { return _buffer; }
//operator const char *() const { return _buffer; }
// general methods
char charAt( unsigned int index ) const;
@ -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 )