pipex_util.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   pipex_util.c                                       :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: yli <marvin@42.fr>                         +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/01/24 17:56:07 by yli               #+#    #+#             */
/*   Updated: 2023/01/24 17:56:09 by yli              ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
#include "pipex.h"

int	ft_perror(char *str)
{
	perror(str);
	exit(1);
}

char	**split_path(char **envp)
{
	char	**path;
	int		i;

	i = 0;
	while (envp[i])
	{
		if (!strncmp(envp[i], "PATH=", 5))
		{
			path = ft_split(envp[i] + 5, ':');
			return (path);
		}
		i++;
	}
	return (NULL);
}

char	*ft_strjoin_path_cmd(char const *s1, char c, char const *s2)
{
	char	*str;
	size_t	i;
	size_t	j;

	if (!s1 || !s2)
		return (NULL);
	str = (char *)malloc(sizeof(char) * (ft_strlen(s1) + ft_strlen(s2) + 2));
	if (!str)
		return (NULL);
	i = 0;
	j = 0;
	while (s1[j])
		str[i++] = s1[j++];
	str[i++] = c;
	j = 0;
	while (s2[j])
		str[i++] = s2[j++];
	str[i] = '\0';
	return (str);
}

void	check_free_all(char **str)
{
	int	i;

	i = 0;
	while (str[i])
	{
		if (*str != NULL)
		{
			free(str[i]);
			i++;
		}
		*str = NULL;
	}
	free (str);
}