deq_init.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   deq_init.c                                         :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: sanglee2 <sanglee2@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/04/15 08:18:15 by sanglee2          #+#    #+#             */
/*   Updated: 2023/05/30 18:44:07 by sanglee2         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "push_swap.h"

t_deq* create()
{
	t_deq *deq;
	deq = (t_deq *)malloc(sizeof(t_deq) * 1);
	if(!deq)
		return(0);

	return(deq);
}

void init_deq(t_deq *deq)
{
	deq->a_top = 0;
	deq->a_bot = 0;
	deq->a_size = 0;
	deq->b_top = 0;
	deq->b_bot = 0;
	deq->b_size = 0;
	deq->arr = 0;
}

int is_empty(t_deq* deq)
{
	return (deq->a_top == 0);
}

t_node* init_node(int arg)
{
	t_node *node;
	node = (t_node *)malloc(sizeof(t_node) * 1);
	if (!node)
		return(0);
	
	node->prev = NULL;
	node->content = arg;
	node->index = 0;
	node->next = NULL;
	return (node);	
}