C / C++ / MFC

Mike the Red wrote:

operator LPBYTE () { return m_buff; };

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Mike the Red wrote:

I was expecting to see:

Mike the Red wrote:

m_buff = 9180016 0123456789 foo = 9179968 (LPBYTE) foo = 9180016 // same address as m_buff
0123456789

Mike the Red wrote:

What am I missing ?

cout << "&m_buff = " << (__int64) (void *) &m_buff << "\n\t"; // Show the REAL address of m_buff

operator LPBYTE () { cout << "Inside operator.\n"; return &this->m_buff[0]; };

for (int i = 0; i < 10; i++) // Show contents of cast (LPBYTE) foo
		cout << ((LPBYTE) foo)[i];

for (int i = 0; i < 10; i++) // Show contents of cast (LPBYTE) foo
		cout << ((LPBYTE) (*foo))[i];

(LPBYTE) foo = 9180016 // same address as m_buff

LPBYTE getBuff() { return &this->m_buff[0]; };

cout << foo->LPBYTE()[0]; // is the garbage here ? :)

LPBYTE bar = foo->operator LPBYTE();
for (int i = 0; i < 10; i++) 
	cout << bar[i];
cout << "\n";

0123456789

LPBYTE lpOut = *foo;
cout << lpOut[0]; // is the garbage here ? :)

const char* szChars = "ABCD";

// Using constructor
std::string strFromChars(szChars);

// Using assignment operator
std::string strFromChars;
strFromChars = szChars;

char arr[MAX_PATH];
std::string str = arr;

wchar_t arr[MAX_PATH];
std::wstring str = arr;

TCHAR arr[MAX_PATH];
CString str = arr;