// hack1.cpp : Defines the entry point for the console application.
//

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

const size_t buffer_size = 16;
char*  buffer_data = "AAAABBBBCCCCDDDDEEEEFFFFGGGG";

void print_mem(void* mem, int len, int bytes_in_line = 8);
void stack_func(char* data);
void heap_func(char* data);


int main(int argc, char* argv[])
{
	stack_func(buffer_data); // 28 + 1
	heap_func(buffer_data); // 28 + 1
	return 0;
}

void stack_func(char* data)
{
	char buffer[buffer_size];
	
	memset(buffer,0,buffer_size);
	
	strcpy(buffer,data);
	print_mem(buffer,2*buffer_size);
}


void heap_func(char* data)
{
	char* buffer = (char*) malloc(buffer_size);

	memset(buffer,0,buffer_size);
	
	strcpy(buffer,data);
	print_mem(buffer,2*buffer_size);

	free(buffer);
}

void print_mem(void* mem, int len, int bytes_in_line)
{
	for(int i = 0; i < len; i++)
	{
		if(i % bytes_in_line == 0)
		{
			printf("\n");
		}
		
		printf("0x%02X",((unsigned char*)mem)[i]);

		if(i < len-1)
		{
			printf(" ");
		}
	}

	printf("\n");
}