int particular_cases(t_link *link, int type)
{
char *tmp;
if (type == 0)
{
if ((tmp = get_var_value(link, "HOME")) != NULL)
if (tmp[0] != '\0')
update_pwd(link, tmp, tmp);
return (42);
}
if (type == 1)
{
if ((tmp = get_var_value(link, "OLDPWD")) != NULL)
update_pwd(link, tmp, tmp);
return (42);
}
if (type == 2)
{
if ((tmp = my_strdup("/")) != NULL)
update_pwd(link, tmp, tmp);
return (42);
}
return (42);
}
void my_cd(t_mysh *mysh)
{
int ret;
char *pwd;
pwd = my_strdup("OLDPWD=");
pwd = my_strcat_free(pwd, getcwd(NULL, 1000)); /* getcwd a free*/
ret = 0;
if (comp_str(mysh->tab_com[0], "cd") == 1)
{
if (mysh->tab_com[1] && mysh->tab_com[1][0] == '-')
ret = chdir(src_env(mysh->env, "OLDPWD"));
else if (!mysh->tab_com[1])
ret = chdir(src_env(mysh->env, "HOME"));
else
ret = chdir(mysh->tab_com[1]);
if (ret == -1)
{
my_error("cd: no such file or directory: ");
my_error(mysh->tab_com[1]);
my_error("\n");
}
else
update_pwd(mysh, pwd);
}
free (pwd);
}
int builtin_cd(t_link *link, char **cmd)
{
char **tab_two;
char *pwd;
int i;
i = 0;
if (!cmd[1] || (cmd[1] && !cmd[1][0]))
return (particular_cases(link, 0));
if (!my_strcmp(cmd[1], "-"))
return (particular_cases(link, 1));
if (!my_strcmp(cmd[1], "/"))
return (particular_cases(link, 2));
tab_two = my_explode(cmd[1], '/');
pwd = get_pwd();
while (tab_two[i])
{
if (!my_strcmp("..", tab_two[i]))
pwd = downgrade_pwd(pwd);
else
pwd = upgrade_pwd(link, pwd, tab_two[i], i);
i++;
}
update_pwd(link, pwd, cmd[1]);
return (TRUE);
}
