#include <iostream>
#include <cstdlib>
#include "obj.h"
#include "cookie.h"
using namespace std;

void *operator new(size_t n);
void operator delete(void *p);

int main(int argc, char **argv)
{
	const obj *const pd = new obj(10);    //call operator new in line 38
	delete pd;                            //call operator delete in line 49

	cout << "\n";

	cookie *const pc1 = new cookie(10);   //call cookie::operator new
	delete pc1;                           //call cookie::operator delete

	cout << "\n";

	cookie *const pc2 = new cookie[3]; //call standard lib operator new[]
	delete[] pc2;                      //call standard lib operator delete[]

	cout << "\n";

	cookie *const pc3 = ::new cookie(30); //call operator new in line 38
	::delete pc3;                         //call operator delete in line 49

	cout << "\n";

	cookie *const pc4 = ::new cookie(40); //call operator new in line 38
	delete pc4;          //deliberate mismatch: call cookie::operator delete

	return EXIT_SUCCESS;
}

void *operator new(size_t n)
{
	if (void *const p = malloc(n)) {
		cout << "operator new(" << n << ") returns " << p << ".\n";
                return p;
        }

	cerr << "operator new(" << n << ") out of store.\n";
	exit (EXIT_FAILURE);
}

void operator delete(void *p)
{
	cout << "operator delete(" << p << ")\n";
	free(p);
}