int cd(t_shell *shell, t_tree *tree)
{
char *pwd;
char *path;
char *home;
if (cd_needed(shell, tree, &pwd, &home) == EXIT_FAILURE)
return (EXIT_FAILURE);
cd_get_path(tree->argv, &path, pwd, home);
if (!path)
{
if (!(path = get_env(shell->env, "OLDPWD")))
{
ft_putmsg(CD_OLDPWD, NULL);
return (EXIT_FAILURE);
}
ft_putendl(path);
}
if (chdir(path) == -1)
return (cd_error(&path, tree->argv[1]));
else
end_cd(shell, &path, &pwd);
ft_del(&path, &pwd, &home);
return (EXIT_SUCCESS);
}
static t_error_msg_id isvalid(\
char *path, char **arg_v)
{
struct stat s;
if (access(path, F_OK))
return (cd_error(Cdnofound, path, EXIT_SUCCESS));
else if (access(path, R_OK))
return (cd_error(Cdnoright, path, EXIT_SUCCESS));
else if (stat(path, &s))
return (cd_error(Cdstat, path, EXIT_SUCCESS));
if (!IS(S_IFDIR, s.st_mode))
return (cd_error(Cdnodir, path, EXIT_SUCCESS));
if (arg_v[0] && arg_v[1])
return (cd_error(Cdtoomany, NULL, EXIT_SUCCESS));
return (1);
}
int ft_cd(char **tab)
{
if (!tab[1])
{
ft_putendl(find_value_envir(g_env, "HOME"));
tab[1] = find_value_envir(g_env, "HOME");
if (chdir(tab[1]) == -1)
return (cd_error(tab[1]));
change_pwd(1);
}
else if (ft_strcmp("-", tab[1]) == 0)
{
chdir(find_value_envir(g_env, "OLDPWD"));
ft_putendl(find_value_envir(g_env, "OLDPWD"));
change_pwd(0);
}
else if (chdir(tab[1]) == -1)
return (cd_error(tab[1]));
else
change_pwd(0);
return (0);
}
static void build_cd2(t_data *d, char **av)
{
if (chdir(av[1]) == -1)
cd_error(av[1]);
else
{
if (ft_strncmp(av[1], "..", 2) == 0
&& (av[1][2] == '/' || av[1][2] == '\0'))
cd_double_dot(d, av[1]);
else
cd_change_pwd(d, av[1]);
}
}
int hd_reset()
{
/****************** HD software reset sequence *******************
ControlRegister (0x3F6)=(0000 1RE0); R=reset, E=0:enable interrupt
Strobe R bit from HI to LO; with delay time in between:
Write 0000 1100 to ControlReg; delay();
Write 0000 1000 to ControlReg; wait for notBUSY & no error
*****************************************************************/
out_byte(0x3F6, 0x0C); delay();
out_byte(0x3F6, 0x08); delay();
if (hd_busy() || cd_error()) {
printf("HD reset error\n"); return(BAD);
}
return 0; // return 0 means OK
}
void cd_only(t_data *d, char *name)
{
char *home;
char *pwd;
home = ft_getenv("HOME", d->cenv);
pwd = ft_getenv("PWD", d->cenv);
if (chdir(home) == -1)
cd_error("Home directory");
else
{
ft_setenv(d, "OLDPWD", pwd);
ft_setenv(d, "PWD", home);
}
if (home != NULL)
ft_memdel((void **)&home);
if (pwd != NULL)
ft_memdel((void **)&pwd);
(void)name;
}
static int cd_write_in_pwd(char **args, char ***env)
{
char *pwd;
char *tmp;
pwd = cd_check(args, env);
if (chdir(pwd) != -1)
{
tmp = pwd;
if (args[0][0] == '-' && ft_strlen(ft_strrchr(args[0], 'P')) == 1)
{
pwd = ft_getcwd(tmp, *env);
free(tmp);
}
ft_change_pwds(pwd, env);
free(pwd);
return (0);
}
return (cd_error(pwd, args[1]));
}
static int cd_search_in_pwd(char **args, char ***env)
{
char *pwd;
char *tmp;
pwd = ft_getenv("PWD", *env);
if ((tmp = ft_strstr(pwd, args[1])) == NULL)
{
ft_strerror(ft_strjoin("42sh: cd: string not in pwd: ", args[1]));
return (1);
}
pwd = cd_change_in_pwd(pwd, tmp, args);
if (chdir(pwd) != -1)
{
ft_change_pwds(pwd, env);
ft_putendl(pwd);
free(pwd);
return (0);
}
return (cd_error(pwd, pwd));
}
int my_cd(t_env *env, char **array)
{
t_env *tmp;
tmp = env->next;
if (array[1])
{
if (array[1][0] == '/')
empty_pwd(env);
if (array[1][0] == '-')
{
print_oldpwd(env);
return (my_oldpwd(env));
}
if (opendir(array[1]) == NULL)
return (cd_error(array[1]));
chdir(array[1]);
env = my_swap_old(env);
env = my_change_pwd(env, array[1], 0);
return (0);
}
env = my_cd_thereturn(env, tmp, array[0] + 2);
return (0);
}