Minishell2/cd_function.c at main · divisio74/Minishell2 · GitHub

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/*
** EPITECH PROJECT, 2025
** B-PSU-200-LYN-2-1-minishell1-pierre.baud
** File description:
** cd_function
*/

#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include "my.h"

char *get_home_directory(char **envc)
{
    char *token;
    char *home_dir;
    char *env_copy;
    int i = 0;

    for (; envc[i] != NULL; i++) {
        env_copy = my_strdup(envc[i]);
        token = strtok(env_copy, "=");
        if (token != NULL && my_strcmp(token, "HOME") == 0) {
            token = strtok(NULL, "=");
            home_dir = my_strdup(token);
            free(env_copy);
            return home_dir;
        }
        free(env_copy);
    }
    return NULL;
}

int my_cd(char **args, char **envc, int *built_in_st)
{
    char *home;

    if (args[1] == NULL) {
        home = get_home_directory(envc);
        if (home == NULL) {
            *built_in_st = 1;
        }
        if (chdir(home) != 0) {
            perror("cd");
            *built_in_st = 1;
        }
    } else {
        if (chdir(args[1]) != 0) {
            perror("cd");
            *built_in_st = 1;
        }
    }
    return 0;
}