Read Variable, address/location, From Current Process

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C++

I have a string defined as

std::string str ("This is my Test String");
std::cout << str.c_str() << std::endl;

I want to read the memory location of str, which should contain "This is my Test String" and get back the value of "This is my Test String"
I am attempting to read the string as so.

void WorkerThread::ReadMemorySpecific(void* pAddr, SIZE_T count)
	char buff[8192]; 
		ZeroMemory(buff, sizeof(buff));
		SIZE_T bytesRead;
	HANDLE currentProcess = GetCurrentProcess();
		std::ofstream outFile("PATH_TO_FILE\\string.dat", std::ios::out | std::ios::binary);
	ReadProcessMemory(currentProcess,(LPVOID)pAddr,&buff,count+1,&bytesRead);
	outFile.write(buff,sizeof(buff));
	outFile.flush();
	outFile.close();
	std::cout<< "Possible err: " << GetLastError() << std::endl;

	for(int j = 0; j <8192; j++)
		printf("%02X\n",buff[j]);

I am in the current process therefore I shouldn't need to enable debug privileges. I can verify the size & the address of the memory location are correct because I call this function as:

WorkerThread wt; 
wt.ReadMemorySpecific(&str, str.length());

I can't seem to get my string back as ascii text no matter, what I do, I've tried dumping to a binary file and converting the binary back to ascii, I've tried converting the hex. Any suggestions?