#include <stdio.h>
#include "stack.h"

void stack_push(stack_t *stack, int value)
{
	if (stack->size >= stack->capacity) {
		perror("stack overflow");
		exit(EXIT_FAILURE);
	}
	stack->data[stack->size++] = value;
}

int stack_pop(stack_t *stack)
{
	if (stack->size <= 0) {
		perror("stack_pop: Stack already empty");
		exit(EXIT_FAILURE);
	}
	return stack->data[--stack->size];
}