/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   cmd_cd_utils.c                                     :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2020/02/14 11:55:54 by tmaze             #+#    #+#             */
/*   Updated: 2020/02/14 11:56:53 by tmaze            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minishell.h"

t_env	*cd_updateenv(char *key, char *val, t_env **env)
{
    t_env	*tmp;

    if ((tmp = ft_envgetelem(key, *env)) != NULL)
        ft_envupdate(key, *env, val);
    else if ((tmp = (t_env*)ft_memalloc(sizeof(t_env))) != NULL)
    {
        if ((tmp->key = ft_strdup(key)) == NULL)
            ft_envdelelem(&tmp);
        if (tmp && (tmp->val = ft_strdup(val)) == NULL)
            ft_envdelelem(&tmp);
        if (tmp)
            ft_envaddend(env, tmp);
    }
    return (tmp);
}