| /* |
| * GRUB -- GRand Unified Bootloader |
| * Copyright (C) 2000, 2001 Free Software Foundation, Inc. |
| * |
| * (C) Copyright 2003 Sysgo Real-Time Solutions, AG <www.elinos.com> |
| * Pavel Bartusek <pba@sysgo.de> |
| * |
| * This program 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 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program 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 this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| /* An implementation for the Ext2FS filesystem ported from GRUB. |
| * Some parts of this code (mainly the structures and defines) are |
| * from the original ext2 fs code, as found in the linux kernel. |
| */ |
| |
| |
| #define SECTOR_SIZE 0x200 |
| #define SECTOR_BITS 9 |
| |
| /* Error codes */ |
| typedef enum |
| { |
| ERR_NONE = 0, |
| ERR_BAD_FILENAME, |
| ERR_BAD_FILETYPE, |
| ERR_BAD_GZIP_DATA, |
| ERR_BAD_GZIP_HEADER, |
| ERR_BAD_PART_TABLE, |
| ERR_BAD_VERSION, |
| ERR_BELOW_1MB, |
| ERR_BOOT_COMMAND, |
| ERR_BOOT_FAILURE, |
| ERR_BOOT_FEATURES, |
| ERR_DEV_FORMAT, |
| ERR_DEV_VALUES, |
| ERR_EXEC_FORMAT, |
| ERR_FILELENGTH, |
| ERR_FILE_NOT_FOUND, |
| ERR_FSYS_CORRUPT, |
| ERR_FSYS_MOUNT, |
| ERR_GEOM, |
| ERR_NEED_LX_KERNEL, |
| ERR_NEED_MB_KERNEL, |
| ERR_NO_DISK, |
| ERR_NO_PART, |
| ERR_NUMBER_PARSING, |
| ERR_OUTSIDE_PART, |
| ERR_READ, |
| ERR_SYMLINK_LOOP, |
| ERR_UNRECOGNIZED, |
| ERR_WONT_FIT, |
| ERR_WRITE, |
| ERR_BAD_ARGUMENT, |
| ERR_UNALIGNED, |
| ERR_PRIVILEGED, |
| ERR_DEV_NEED_INIT, |
| ERR_NO_DISK_SPACE, |
| ERR_NUMBER_OVERFLOW, |
| |
| MAX_ERR_NUM |
| } ext2fs_error_t; |
| |
| |
| extern int ext2fs_set_blk_dev(block_dev_desc_t *rbdd, int part); |
| extern int ext2fs_set_blk_dev_full(block_dev_desc_t * const rbdd, disk_partition_t * const p); |
| extern int ext2fs_ls (char *dirname); |
| extern int ext2fs_open (char *filename); |
| extern int ext2fs_read (char *buf, unsigned len); |
| extern int ext2fs_mount (unsigned part_length); |
| extern int ext2fs_close(void); |
