32 static string_list_ty *directory /* = NULL */;  variable
39   if (directory == NULL)  in dir_list_append()
40     directory = string_list_alloc ();  in dir_list_append()
41   string_list_append_unique (directory, s);  in dir_list_append()
50   if (directory == NULL)  in dir_list_nth()
53   if (n < 0 || n >= directory->nitems)  in dir_list_nth()
55   return directory->item[n];  in dir_list_nth()
64   void *saved_value = directory;  in dir_list_save_reset()
66   directory = NULL;  in dir_list_save_reset()
77   if (directory != NULL)  in dir_list_restore()
79       if (directory->item != NULL)  in dir_list_restore()
80         free (directory->item);  in dir_list_restore()
81       free (directory);  in dir_list_restore()
84   directory = (string_list_ty *) saved_value;  in dir_list_restore()