C / C++ / MFC

#include "LocalStringRefTest.h"

#include <string>
#include <stdio.h>		// Needed for printf.

using namespace std ;

int main(int argc, char* argv[])
{
	//FCGI_Accept();
	{
		string sMyString;
		sMyString = "";
	
		{
			LocalStringRefTest tester;
			tester.setString(sMyString);
		}

		printf (sMyString.c_str());
	}


	return 0; }

#include "myDll/StringRefTest.h"

#include <string>
#include <stdio.h>		// Needed for printf.

using namespace std ;

int main(int argc, char* argv[])
{
	{
		string sMyString;
		sMyString = "";
	
		{
			StringRefTest tester;
			tester.setString(sMyString);
		}

		printf (sMyString.c_str());
	}

	return 0; }

#ifndef LocalStringRefTest_CLASS_H
#define LocalStringRefTest_CLASS_H

#include <string>

using namespace std ;

class LocalStringRefTest
{
	public:
		LocalStringRefTest();

		bool setString(string& sString);

	protected:
		string m_sString;
};

#endif

#include "LocalStringRefTest.h"
using namespace std ;

//constructors:
LocalStringRefTest::LocalStringRefTest()
:m_sString("Happy String")
{

}

bool LocalStringRefTest::setString(string& sString)
{
	sString = m_sString;
	return true;
}

#ifndef StringRefTest_CLASS_H
#define StringRefTest_CLASS_H

#include <string>

using namespace std ;

class __declspec(dllexport) StringRefTest
{
	public:
		StringRefTest();

		bool setString(string& sString);

	protected:
		string m_sString;
};

#endif

#include "myDll/StringRefTest.h"
using namespace std ;

//constructors:
StringRefTest::StringRefTest()
:m_sString("Happy String")
{

}

bool StringRefTest::setString(string& sString)
{
	sString = m_sString;
	return true;
}

NTDLL! 7c96cd80()
NTDLL! 7c960af8()
KERNEL32! 7c85e7af()
_CrtIsValidHeapPointer(const void * 0x00961a00) line 1606
_free_dbg_lk(void * 0x00961a00, int 1) line 1011 + 9 bytes
_free_dbg(void * 0x00961a00, int 1) line 970 + 13 bytes
free(void * 0x00961a00) line 926 + 11 bytes
operator delete(void * 0x00961a00) line 7 + 9 bytes
std::allocator<char>::deallocate(void * 0x00961a00, unsigned int 33) line 64 + 38 bytes
std::basic_string<char,std::char_traits<char>,std::allocator<char> 
::_Tidy(unsigned char 1) line 592
std::basic_string<char,std::char_traits<char>,std::allocator<char> 
::~basic_string<char,std::char_traits<char>,std::allocator<char> >() 
line 59 + 39 bytes
main(int 1, char * * 0x00a70eb0) line 26
mainCRTStartup() line 206 + 25 bytes
KERNEL32! 7c816d4f()

Invalid Address specified to RtlValidateHeap( 00A60000, 009619E0 )