Pipex/ft_parsing.c at master · Tarchimb/Pipex · GitHub

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_parsing.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tarchimb <tarchimb@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2021/12/17 14:49:10 by tarchimb          #+#    #+#             */
/*   Updated: 2021/12/17 14:49:11 by tarchimb         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "Includes/pipex.h"

char	*ft_get_envp_path(char **envp, char *path)
{
	int	i;

	i = 0;
	while (envp[i])
	{
		path = ft_strnstr(envp[i],
				"PATH=", ft_strlen(envp[i]));
		if (path != NULL)
			return (path);
		i++;
	}
	return (NULL);
}

char	**ft_parsing(char **envp)
{
	char	*envp_path;
	char	**paths;
	char	*tmp;
	int		i;

	i = 0;
	tmp = NULL;
	envp_path = NULL;
	envp_path = ft_get_envp_path(envp, envp_path);
	if (!envp_path)
		return (0);
	envp_path = ft_substr(envp_path, 5, ft_strlen(envp_path) - 5);
	paths = ft_split(envp_path, ':');
	while (paths[i])
	{
		tmp = paths[i];
		paths[i] = ft_strjoin(paths[i], "/");
		free(tmp);
		i++;
	}
	if (!paths)
		return (0);
	return (paths);
}