/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ms_env2.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2019/02/01 10:18:01 by tmaze             #+#    #+#             */
/*   Updated: 2019/02/01 11:16:28 by tmaze            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "minishell.h"

t_envelem	*ft_envtoenvelem(char *env)
{
	size_t		i;
	t_envelem	*ret;

	i = 0;
	if ((ret = (t_envelem*)ft_memalloc(sizeof(t_envelem))) == NULL)
		return (NULL);
	while (env[i] && env[i] != '=')
		i++;
	if ((ret->key = ft_strnew(i)) == NULL)
	{
		ft_memdel((void**)&ret);
		return (NULL);
	}
	if ((ret->val = ft_strnew(ft_strlen(env) - i - 1)) == NULL)
	{
		ft_memdel((void**)&ret);
		return (NULL);
	}
	ft_strlcpy(ret->key, env, i + 1);
	ft_strlcpy(ret->val, &env[i + 1], ft_strlen(env) - i);
	return (ret);
}

void		ft_lstdelenvelem(void *content, size_t size)
{
	size = 0;
	ft_strdel(&(((t_envelem*)(content))->key));
	ft_strdel(&(((t_envelem*)(content))->val));
	ft_memdel(&content);
}

void		ft_envelemdel(t_envelem **env)
{
	ft_strdel(&((*env)->key));
	ft_strdel(&((*env)->val));
	ft_memdel((void**)env);
}

t_list		*ft_envtolst(char **env)
{
	size_t		i;
	t_list		*ret;
	t_list		*new;
	t_envelem	*elem;

	ret = NULL;
	i = 0;
	while (env[i])
	{
		if ((elem = ft_envtoenvelem(env[i])) == NULL)
			ft_lstdel(&ret, &ft_lstdelenvelem);
		if (elem == NULL)
			return (NULL);
		if ((new = ft_lstnew((void*)elem, sizeof(t_envelem))) == NULL)
		{
			ft_envelemdel(&elem);
			ft_lstdel(&ret, &ft_lstdelenvelem);
			return (NULL);
		}
		ft_envelemdel(&elem);
		if (ft_lstaddend(&ret, new) == NULL)
		{
			ft_lstdel(&ret, &ft_lstdelenvelem);
			return (NULL);
		}
		i++;
	}
	return (ret);
}