| /* reader.c - reader support */ |
| /* |
| * GRUB -- GRand Unified Bootloader |
| * Copyright (C) 2009 Free Software Foundation, Inc. |
| * |
| * GRUB is free software: you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation, either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * GRUB is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with GRUB. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include <grub/types.h> |
| #include <grub/mm.h> |
| #include <grub/reader.h> |
| #include <grub/parser.h> |
| |
| struct grub_handler_class grub_reader_class = |
| { |
| .name = "reader" |
| }; |
| |
| grub_err_t |
| grub_reader_loop (grub_reader_getline_t getline) |
| { |
| while (1) |
| { |
| char *line; |
| grub_reader_getline_t func; |
| |
| /* Print an error, if any. */ |
| grub_print_error (); |
| grub_errno = GRUB_ERR_NONE; |
| |
| func = (getline) ? : grub_reader_get_current ()->read_line; |
| if ((func (&line, 0)) || (! line)) |
| return grub_errno; |
| |
| grub_parser_get_current ()->parse_line (line, func); |
| grub_free (line); |
| } |
| } |