mod_func.c

#include "monty.h"

/**
 * mod_func - compute remainder of the division of second element
 * by the top element to store the result in the second stack
 * the stack will be one element shorter.
 * @stack: pointer to the top of the stack
 * @line_number: line number of code from file read
 */
void mod_func(stack_t **stack, unsigned int line_number)
{
	stack_t *top, *temp = *stack;
	int num = 0;

	(void) line_number;

	if (!stack || !(*stack) || temp->next == NULL)
	{
		fprintf(stderr, "L%d: can't mod, stack too short\n", line_number);
		exit(EXIT_FAILURE);
	}

	if (temp->n == 0)
	{
		fprintf(stderr, "L%d: division by zero\n", line_number);
		exit(EXIT_FAILURE);
	}
	top = temp;
	num = temp->n;
	temp = temp->next;
	temp->n = temp->n % num;
	*stack = temp;
	free(top);
}