/*
COMP 2401/2001
Day 13 - Feb 25th 2013
Memory Leak Example 1
*/

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

#define SIZE 10

// forward declaration of function print()
void print(int x[], int size);


int main(int argc, char* argv[]){

	srand((unsigned)time(NULL));

	// allocate memory on the heap for SIZE integers
	int* x = (int*) malloc( SIZE * sizeof(int) );
	printf("x points to memory location %p (%lu) in the heap\n", x, (unsigned long)x);


	// populte the array with random values
	srand((unsigned)time(NULL));
	for(int i = 0; i < SIZE; i += 1){
		x[i] =  rand()%100;
	}

	// print out the contents of the array
	// print(x,SIZE);

	// have x point to somowhere else memory 
	// (x is now pointing to the stack since y is local to main)
	int y = 17;
	x = &y;
	printf("x points to memory location %p (%lu) in the stack (activation record for main)\n", x, (unsigned long)x);


	// print(x,SIZE); 

}


void print(int x[], int size){
	for(int i=0; i<size; i+=1){ printf("%d ", x[i]); }
	printf("\n");
}