mod.c

#include "monty.h"

/**
 * f_mod - Computes the remainder of the division of the second
 *         top element of the stack by the top element of the stack.
 * @head: Stack head
 * @counter: Line number
 * Return: No return
 */
void f_mod(stack_t **head, unsigned int counter)
{
	stack_t *current;
	int length = 0, result;

	current = *head;
	while (current)
	{
		current = current->next;
		length++;
	}
	if (length < 2)

	{
		fprintf(stderr, "L%d: can't perform modulo, stack too short\n",
		counter);
		fclose(bus.file);
		free(bus.content);
		free_stack(*head);
		exit(EXIT_FAILURE);
	}
	current = *head;
	if (current->n == 0)
	{
		fprintf(stderr, "L%d: division by zero\n", counter);
		fclose(bus.file);
		free(bus.content);
		free_stack(*head);
		exit(EXIT_FAILURE);
	}
	result = current->next->n % current->n;
	current->next->n = result;
	*head = current->next;
	free(current);
}