stack_push.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   stack_push.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: yaqliu <yaqliu@student.42barcelona.com>    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2026/02/08 22:43:37 by yaqliu            #+#    #+#             */
/*   Updated: 2026/02/12 14:27:31 by yaqliu           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "header.h"

void	push(t_stack **dst, t_stack **src)
{
	t_stack	*node;

	if (!src || !(*src))
		return ;
	node = *src;
	*src = (*src)->next;
	node->next = *dst;
	*dst = node;
}

void	pa(t_stack **a, t_stack **b)
{
	push(a, b);
	write(1, "pa\n", 3);
}

void	pb(t_stack **a, t_stack **b)
{
	push(b, a);
	write(1, "pb\n", 3);
}