utils_1.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   utils_1.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: dmdemirk <dmdemirk@student.42london.c      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/07/11 18:11:06 by dmdemirk          #+#    #+#             */
/*   Updated: 2024/09/09 13:00:02 by dmdemirk         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "libft.h"
#include "env.h"
#include "execute.h"
 
char        *ft_find_path(char *cmd, t_env *envp);
static void relative_path_handle(char *cmd, char *path, char **tmp_full_path);
 
char    *ft_find_path(char *cmd, t_env *envp)
{
    char    **path;
    char    *tmp_full_path;
    int     i;
 
    path = ft_split(get_env(envp, "PATH"), ':');
    i = -1;
    while (path[++i] != NULL)
    {
        if (ft_strncmp(cmd, "/", 1) != 0)
            relative_path_handle(cmd, path[i], &tmp_full_path);
        else
            tmp_full_path = ft_strdup(cmd);
        if (access(tmp_full_path, F_OK) == 0)
        {
            ft_free_2d_arr(path);
            return (tmp_full_path);
        }
        free(tmp_full_path);
    }
    ft_free_2d_arr(path);
    return (NULL);
}
 
static void relative_path_handle(char *cmd, char *path, char **tmp_full_path)
{
    char    *tmp_slash;
 
    tmp_slash = ft_strjoin(path, "/");
    *tmp_full_path = ft_strjoin(tmp_slash, cmd);
    free(tmp_slash);
}