2004-12-16 17:33:10 +00:00
|
|
|
/*
|
|
|
|
|
* 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);
|
2010-10-20 11:18:09 +00:00
|
|
|
extern int ext2fs_ls (const char *dirname);
|
|
|
|
|
extern int ext2fs_open (const char *filename);
|
2004-12-16 17:33:10 +00:00
|
|
|
extern int ext2fs_read (char *buf, unsigned len);
|
|
|
|
|
extern int ext2fs_mount (unsigned part_length);
|
|
|
|
|
extern int ext2fs_close(void);
|
