chdir implementation

chdir.c

void changeDir(char *path){
    if(path == '\0'){
        // get home path
        uid_t id = getuid();
        struct passwd *pwd = getpwuid(id);
        path = (pwd == NULL ? ) "." : pwd->pw_dir;
    }

    int status = chdir(path);
    if(status == 0){
        // first get the current directory
        char cur_path[4096];
        getcwd(cur_path, 4096);
        printf("%c]0;%s%s%c", '\033', "Olet tässä: ", curr_path, '\007');
    }
}