42_minishell/env/env2.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   env2.c                                             :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: erey-bet <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/03/09 19:59:03 by erey-bet          #+#    #+#             */
/*   Updated: 2023/03/09 19:59:10 by erey-bet         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "env_private.h"

int	get_index(char *s, char c)
{
	int	i;

	i = -1;
	while (s[++i])
		if (s[i] == c)
			return (i);
	return (-1);
}

void	swap_env_3(void **a, void **b, void **c)
{
	void	*d;

	d = *a;
	*a = *b;
	*b = *c;
	*c = d;
}

void	swap_env(void **a, void **b)
{
	void	*c;

	c = *a;
	*a = *b;
	*b = c;
}

void	env_del(void *ptr)
{
	t_env	*content;

	if (ptr == NULL)
		return ;
	content = ptr;
	if (content->key != NULL)
		free(content->key);
	if (content->key != NULL)
		free(content->value);
	if (content != NULL)
		free(content);
}

char	**env_to_strs(t_list **head)
{
	t_list	*current;
	t_env	*content;
	char	**env;
	int		i;

	current = *head;
	env = ft_calloc(ft_lstsize(*head), sizeof(char *));
	i = 0;
	while (current->content)
	{
		content = current->content;
		env[i++] = ft_strmerger(3, content->key, "=", content->value);
		current = current->next;
	}
	return (env);
}