int
_putenv(const char *strng)
{
int i = 0;
char **e;
del_env(strng);
if (!_environ_ptr)
_environ_ptr = _environ;
{
while(_environ_ptr[i]) i++ ;
e = (char **) malloc((i+2)*sizeof(char *));
if (!e) {
return -1;
}
memcpy(e, _environ_ptr, (i+1)*sizeof(char *));
free(_environ_ptr);
_environ_ptr = e;
}
if (!e)
return -1;
_environ_ptr = e;
_environ_ptr[i] = (char *)strng;
_environ_ptr[i+1] = 0;
return 0;
}
int ft_unsetenv(t_shell *shell, t_tree *tree)
{
t_env *envc;
t_env *tmp;
char *args;
envc = shell->env;
if (envc)
{
args = (tree->argv)[1];
if (args)
{
while (envc && envc->next && ft_strcmp(envc->name, args))
{
tmp = envc;
envc = envc->next;
}
if (!ft_strcmp(envc->name, args))
{
del_env(envc, tmp, shell);
env_delone(&envc);
return (EXIT_SUCCESS);
}
}
}
return (EXIT_FAILURE);
}
void ft_error(int b_exit, t_env *e, char *str)
{
del_env(e);
if (str)
write(2, str, ft_strlen(str));
if (b_exit)
{
write(2, "Exit.\n", 6);
exit(1);
}
}
int main(int ac, char **av)
{
t_env *e;
if ((e = (t_env *)ft_memalloc(sizeof(t_env))) == NULL)
ft_error_system();
params_parsing(ac, av, e);
if (e->err == NULL && (e->dir == NULL && e->file == NULL))
{
if (e->flg->d == TRUE)
file_lstadd(e, ".", FALSE);
else
dir_lstadd(&e->dir, e->flg, ".");
}
print_file_lst(e);
print_dir_lst(e);
del_env(&e);
return (e->global_err);
}
int bi_unsetenv(char **arg, t_duo **env)
{
int i;
i = 1;
if (!arg[i])
ft_putendl("minishell: unsetenv: too few arguments.");
while (arg[i])
{
if (del_env(env, arg[i]) == -1)
{
ft_putstr("minishell: unsetenv: '");
ft_putstr(arg[i]);
ft_putendl("': undefined variable");
}
i++;
}
return (0);
}
int init_env(char **env, t_duo **env_cpy)
{
char **cpy;
cpy = NULL;
if (tbl_len(env) == 0)
fill_path(&cpy);
if (cpy)
{
*env_cpy = tbl_to_duo(cpy, '=');
free_tab(&cpy);
}
else
*env_cpy = tbl_to_duo(env, '=');
if (env_cpy == NULL && *env_cpy == NULL)
return (sh_error(FALSE, 6, NULL, NULL));
del_env(env_cpy, "OLDPWD");
savior_env(*env_cpy, TRUE);
sh_lvl();
savior_env(*env_cpy, TRUE);
return (TRUE);
}
int handle_env_opt(t_node_cmd *node, int *it)
{
if (ft_strequ("-i", node->cmd[*it]) && (*it)++)
del_env(&node->env);
else if (ft_strequ("-P", node->cmd[*it]) && node->cmd[*it + 1])
{
set_env(&node->env, "PATH", ft_strdup(node->cmd[*it + 1]));
(*it) += 2;
}
else if (ft_strequ("-P", node->cmd[*it]))
return (-1);
else if (ft_strequ("-u", node->cmd[*it]) && node->cmd[*it + 1])
{
unset_env(&node->env, node->cmd[*it + 1]);
(*it) += 2;
}
else if (ft_strequ("-u", node->cmd[*it]))
return (-1);
else if (ft_strchr(node->cmd[*it], '='))
{
set_env_keyval(&node->env, node->cmd[(*it)++]);
}
return (1);
}
void wipe_env(void) {
while(del_env());
}
int pop_env(void) {
if(current_env_is_not_top_env())
return del_env();
return 1;
}