25 Jul
2009
25 Jul
'09
7:40 a.m.
Author: dgorbachev
Date: Sat Jul 25 09:40:39 2009
New Revision: 42190
URL: http://svn.reactos.org/svn/reactos?rev=42190&view=rev
Log:
Fix "misrepresented license in FreeLDR", Robert Millan (rmh.reactos at
aybabtu.com), bug #4673.
Modified:
trunk/reactos/boot/freeldr/freeldr/arch/i386/i386vid.c
trunk/reactos/boot/freeldr/freeldr/include/fs/ext2.h
Modified: trunk/reactos/boot/freeldr/freeldr/arch/i386/i386vid.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/i386/i386vid.c [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/arch/i386/i386vid.c [iso-8859-1] Sat Jul 25
09:40:39 2009
@@ -1,9 +1,6 @@
/*
* FreeLoader
* Copyright (C) 1998-2003 Brian Palmer <brianp(a)sginet.com>
- * Portions from Linux video.S - Display adapter & video mode setup, version 2.13
(14-May-99)
- * Copyright (C) 1995 -- 1999 Martin Mares <mj(a)ucw.cz>
- * Based on the original setup.S code (C) Linus Torvalds and Mats Anderson
*
* 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
Modified: trunk/reactos/boot/freeldr/freeldr/include/fs/ext2.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/inclu…
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/include/fs/ext2.h [iso-8859-1] (original)
+++ trunk/reactos/boot/freeldr/freeldr/include/fs/ext2.h [iso-8859-1] Sat Jul 25 09:40:39
2009
@@ -20,613 +20,154 @@
#ifndef __EXT2_H
#define __EXT2_H
-
/*
- * linux/include/linux/ext3_fs.h
- *
- * Copyright (C) 1992, 1993, 1994, 1995
- * Remy Card (card(a)masi.ibp.fr)
- * Laboratoire MASI - Institut Blaise Pascal
- * Universite Pierre et Marie Curie (Paris VI)
- *
- * from
- *
- * linux/include/linux/minix_fs.h
- *
- * Copyright (C) 1991, 1992 Linus Torvalds
+ * grub/fs/ext2.c
+ *
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2003,2004,2005,2007 Free Software Foundation, Inc.
+ *
+ * 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
-#ifndef _LINUX_EXT3_FS_H
-#define _LINUX_EXT3_FS_H
-
-//#include <linux/types.h>
+/* Magic value used to identify an ext2 filesystem. */
+#define EXT2_MAGIC 0xEF53
+/* Amount of indirect blocks in an inode. */
+#define INDIRECT_BLOCKS 12
+/* Maximum lenght of a pathname. */
+#define EXT2_PATH_MAX 4096
+/* Maximum nesting of symlinks, used to prevent a loop. */
+#define EXT2_MAX_SYMLINKCNT 8
+
+/* The good old revision and the default inode size. */
+#define EXT2_GOOD_OLD_REVISION 0
+#define EXT2_GOOD_OLD_INODE_SIZE 128
+
+/* Filetype used in directory entry. */
+#define FILETYPE_UNKNOWN 0
+#define FILETYPE_REG 1
+#define FILETYPE_DIRECTORY 2
+#define FILETYPE_SYMLINK 7
+
+/* Filetype information as used in inodes. */
+#define FILETYPE_INO_MASK 0170000
+#define FILETYPE_INO_REG 0100000
+#define FILETYPE_INO_DIRECTORY 0040000
+#define FILETYPE_INO_SYMLINK 0120000
+
+/* The ext2 superblock. */
+struct ext2_sblock
+{
+ ULONG total_inodes;
+ ULONG total_blocks;
+ ULONG reserved_blocks;
+ ULONG free_blocks;
+ ULONG free_inodes;
+ ULONG first_data_block;
+ ULONG log2_block_size;
+ ULONG log2_fragment_size;
+ ULONG blocks_per_group;
+ ULONG fragments_per_group;
+ ULONG inodes_per_group;
+ ULONG mtime;
+ ULONG utime;
+ USHORT mnt_count;
+ USHORT max_mnt_count;
+ USHORT magic;
+ USHORT fs_state;
+ USHORT error_handling;
+ USHORT minor_revision_level;
+ ULONG lastcheck;
+ ULONG checkinterval;
+ ULONG creator_os;
+ ULONG revision_level;
+ USHORT uid_reserved;
+ USHORT gid_reserved;
+ ULONG first_inode;
+ USHORT inode_size;
+ USHORT block_group_number;
+ ULONG feature_compatibility;
+ ULONG feature_incompat;
+ ULONG feature_ro_compat;
+ ULONG unique_id[4];
+ char volume_name[16];
+ char last_mounted_on[64];
+ ULONG compression_info;
+};
+
+/* The ext2 blockgroup. */
+struct ext2_block_group
+{
+ ULONG block_id;
+ ULONG inode_id;
+ ULONG inode_table_id;
+ USHORT free_blocks;
+ USHORT free_inodes;
+ USHORT used_dirs;
+ USHORT pad;
+ ULONG reserved[3];
+};
+
+/* The ext2 inode. */
+struct ext2_inode
+{
+ USHORT mode;
+ USHORT uid;
+ ULONG size;
+ ULONG atime;
+ ULONG ctime;
+ ULONG mtime;
+ ULONG dtime;
+ USHORT gid;
+ USHORT nlinks;
+ ULONG blockcnt; /* Blocks of 512 bytes!! */
+ ULONG flags;
+ ULONG osd1;
+ union
+ {
+ struct datablocks
+ {
+ ULONG dir_blocks[INDIRECT_BLOCKS];
+ ULONG indir_block;
+ ULONG double_indir_block;
+ ULONG tripple_indir_block;
+ } blocks;
+ char symlink[60];
+ };
+ ULONG version;
+ ULONG acl;
+ ULONG dir_acl;
+ ULONG fragment_addr;
+ ULONG osd2[3];
+};
+
+/* The header of an ext2 directory entry. */
+struct ext2_dirent
+{
+ ULONG inode;
+ USHORT direntlen;
+ UCHAR namelen;
+ UCHAR filetype;
+};
/*
- * The second extended filesystem constants/structures
+ * End of code from grub/fs/ext2.c
*/
-/*
- * Define EXT3FS_DEBUG to produce debug messages
- */
-#undef EXT3FS_DEBUG
-
-/*
- * Define EXT3_PREALLOCATE to preallocate data blocks for expanding files
- */
-#undef EXT3_PREALLOCATE /* @@@ Fix this! */
-#define EXT3_DEFAULT_PREALLOC_BLOCKS 8
-
-/*
- * The second extended file system version
- */
-#define EXT3FS_DATE "10 Jan 2002"
-#define EXT3FS_VERSION "2.4-0.9.17"
-
-/*
- * Debug code
- */
-#ifdef EXT3FS_DEBUG
-#define ext3_debug(f, a...) \
- do { \
- printk (KERN_DEBUG "EXT3-fs DEBUG (%s, %d): %s:", \
- __FILE__, __LINE__, __FUNCTION__); \
- printk (KERN_DEBUG f, ## a); \
- } while (0)
-#else
- #ifdef __GNUC__
- #define ext3_debug(f, a...) do {} while (0)
- #else
- #define ext3_debug
- #endif
-#endif
-
-/*
- * Special inodes numbers
- */
-#define EXT3_BAD_INO 1 /* Bad blocks inode */
-#define EXT3_ROOT_INO 2 /* Root inode */
-#define EXT3_ACL_IDX_INO 3 /* ACL inode */
-#define EXT3_ACL_DATA_INO 4 /* ACL inode */
-#define EXT3_BOOT_LOADER_INO 5 /* Boot loader inode */
-#define EXT3_UNDEL_DIR_INO 6 /* Undelete directory inode */
-#define EXT3_RESIZE_INO 7 /* Reserved group descriptors inode */
-#define EXT3_JOURNAL_INO 8 /* Journal inode */
-
-/* First non-reserved inode for old ext3 filesystems */
-#define EXT3_GOOD_OLD_FIRST_INO 11
-
-/*
- * The second extended file system magic number
- */
-#define EXT3_SUPER_MAGIC 0xEF53
-
-/*
- * Maximal count of links to a file
- */
-#define EXT3_LINK_MAX 32000
-
-/*
- * Macro-instructions used to manage several block sizes
- */
-#define EXT3_MIN_BLOCK_SIZE 1024
-#define EXT3_MAX_BLOCK_SIZE 4096
-#define EXT3_MIN_BLOCK_LOG_SIZE 10
-#ifdef __KERNEL__
-# define EXT3_BLOCK_SIZE(s) ((s)->s_blocksize)
-#else
-# define EXT3_BLOCK_SIZE(s) (EXT3_MIN_BLOCK_SIZE << (s)->s_log_block_size)
-#endif
-#define EXT3_ACLE_PER_BLOCK(s) (EXT3_BLOCK_SIZE(s) / sizeof (struct ext3_acl_entry))
-#define EXT3_ADDR_PER_BLOCK(s) (EXT3_BLOCK_SIZE(s) / sizeof (ULONG))
-#ifdef __KERNEL__
-# define EXT3_BLOCK_SIZE_BITS(s) ((s)->s_blocksize_bits)
-#else
-# define EXT3_BLOCK_SIZE_BITS(s) ((s)->s_log_block_size + 10)
-#endif
-#ifdef __KERNEL__
-#define EXT3_ADDR_PER_BLOCK_BITS(s) ((s)->u.ext3_sb.s_addr_per_block_bits)
-#define EXT3_INODE_SIZE(s) ((s)->u.ext3_sb.s_inode_size)
-#define EXT3_FIRST_INO(s) ((s)->u.ext3_sb.s_first_ino)
-#else
-#define EXT3_INODE_SIZE(s) (((s)->s_rev_level == EXT3_GOOD_OLD_REV) ? \
- EXT3_GOOD_OLD_INODE_SIZE : \
- (s)->s_inode_size)
-#define EXT3_FIRST_INO(s) (((s)->s_rev_level == EXT3_GOOD_OLD_REV) ? \
- EXT3_GOOD_OLD_FIRST_INO : \
- (s)->s_first_ino)
-#endif
-
-/*
- * Macro-instructions used to manage fragments
- */
-#define EXT3_MIN_FRAG_SIZE 1024
-#define EXT3_MAX_FRAG_SIZE 4096
-#define EXT3_MIN_FRAG_LOG_SIZE 10
-#ifdef __KERNEL__
-# define EXT3_FRAG_SIZE(s) ((s)->u.ext3_sb.s_frag_size)
-# define EXT3_FRAGS_PER_BLOCK(s) ((s)->u.ext3_sb.s_frags_per_block)
-#else
-# define EXT3_FRAG_SIZE(s) (EXT3_MIN_FRAG_SIZE << (s)->s_log_frag_size)
-# define EXT3_FRAGS_PER_BLOCK(s) (EXT3_BLOCK_SIZE(s) / EXT3_FRAG_SIZE(s))
-#endif
-
-/*
- * ACL structures
- */
-struct ext3_acl_header /* Header of Access Control Lists */
-{
- ULONG aclh_size;
- ULONG aclh_file_count;
- ULONG aclh_acle_count;
- ULONG aclh_first_acle;
-};
-
-struct ext3_acl_entry /* Access Control List Entry */
-{
- ULONG acle_size;
- USHORT acle_perms; /* Access permissions */
- USHORT acle_type; /* Type of entry */
- USHORT acle_tag; /* User or group identity */
- USHORT acle_pad1;
- ULONG acle_next; /* Pointer on next entry for the */
- /* same inode or on next free entry */
-};
-
-/*
- * Structure of a blocks group descriptor
- */
-struct ext3_group_desc
-{
- ULONG bg_block_bitmap; /* Blocks bitmap block */
- ULONG bg_inode_bitmap; /* Inodes bitmap block */
- ULONG bg_inode_table; /* Inodes table block */
- USHORT bg_free_blocks_count; /* Free blocks count */
- USHORT bg_free_inodes_count; /* Free inodes count */
- USHORT bg_used_dirs_count; /* Directories count */
- USHORT bg_pad;
- ULONG bg_reserved[3];
-};
-
-/*
- * Macro-instructions used to manage group descriptors
- */
-#ifdef __KERNEL__
-# define EXT3_BLOCKS_PER_GROUP(s) ((s)->u.ext3_sb.s_blocks_per_group)
-# define EXT3_DESC_PER_BLOCK(s) ((s)->u.ext3_sb.s_desc_per_block)
-# define EXT3_INODES_PER_GROUP(s) ((s)->u.ext3_sb.s_inodes_per_group)
-# define EXT3_DESC_PER_BLOCK_BITS(s) ((s)->u.ext3_sb.s_desc_per_block_bits)
-#else
-# define EXT3_BLOCKS_PER_GROUP(s) ((s)->s_blocks_per_group)
-# define EXT3_DESC_PER_BLOCK(s) (EXT3_BLOCK_SIZE(s) / sizeof (struct ext3_group_desc))
-# define EXT3_INODES_PER_GROUP(s) ((s)->s_inodes_per_group)
-#endif
-
-/*
- * Constants relative to the data blocks
- */
-#define EXT3_NDIR_BLOCKS 12
-#define EXT3_IND_BLOCK EXT3_NDIR_BLOCKS
-#define EXT3_DIND_BLOCK (EXT3_IND_BLOCK + 1)
-#define EXT3_TIND_BLOCK (EXT3_DIND_BLOCK + 1)
-#define EXT3_N_BLOCKS (EXT3_TIND_BLOCK + 1)
-
-/*
- * Inode flags
- */
-#define EXT3_SECRM_FL 0x00000001 /* Secure deletion */
-#define EXT3_UNRM_FL 0x00000002 /* Undelete */
-#define EXT3_COMPR_FL 0x00000004 /* Compress file */
-#define EXT3_SYNC_FL 0x00000008 /* Synchronous updates */
-#define EXT3_IMMUTABLE_FL 0x00000010 /* Immutable file */
-#define EXT3_APPEND_FL 0x00000020 /* writes to file may only append */
-#define EXT3_NODUMP_FL 0x00000040 /* do not dump file */
-#define EXT3_NOATIME_FL 0x00000080 /* do not update atime */
-/* Reserved for compression usage... */
-#define EXT3_DIRTY_FL 0x00000100
-#define EXT3_COMPRBLK_FL 0x00000200 /* One or more compressed clusters */
-#define EXT3_NOCOMPR_FL 0x00000400 /* Don't compress */
-#define EXT3_ECOMPR_FL 0x00000800 /* Compression error */
-/* End compression flags --- maybe not all used */
-#define EXT3_INDEX_FL 0x00001000 /* hash-indexed directory */
-#define EXT3_IMAGIC_FL 0x00002000 /* AFS directory */
-#define EXT3_JOURNAL_DATA_FL 0x00004000 /* file data should be journaled */
-#define EXT3_RESERVED_FL 0x80000000 /* reserved for ext3 lib */
-
-#define EXT3_FL_USER_VISIBLE 0x00005FFF /* User visible flags */
-#define EXT3_FL_USER_MODIFIABLE 0x000000FF /* User modifiable flags */
-
-/*
- * Inode dynamic state flags
- */
-#define EXT3_STATE_JDATA 0x00000001 /* journaled data exists */
-#define EXT3_STATE_NEW 0x00000002 /* inode is newly created */
-
-/*
- * ioctl commands
- */
-#define EXT3_IOC_GETFLAGS _IOR('f', 1, long)
-#define EXT3_IOC_SETFLAGS _IOW('f', 2, long)
-#define EXT3_IOC_GETVERSION _IOR('f', 3, long)
-#define EXT3_IOC_SETVERSION _IOW('f', 4, long)
-#define EXT3_IOC_GETVERSION_OLD _IOR('v', 1, long)
-#define EXT3_IOC_SETVERSION_OLD _IOW('v', 2, long)
-#ifdef CONFIG_JBD_DEBUG
-#define EXT3_IOC_WAIT_FOR_READONLY _IOR('f', 99, long)
-#endif
-
-/*
- * Structure of an inode on the disk
- */
-struct ext3_inode {
- USHORT i_mode; /* File mode */
- USHORT i_uid; /* Low 16 bits of Owner Uid */
- ULONG i_size; /* Size in bytes */
- ULONG i_atime; /* Access time */
- ULONG i_ctime; /* Creation time */
- ULONG i_mtime; /* Modification time */
- ULONG i_dtime; /* Deletion Time */
- USHORT i_gid; /* Low 16 bits of Group Id */
- USHORT i_links_count; /* Links count */
- ULONG i_blocks; /* Blocks count */
- ULONG i_flags; /* File flags */
- union {
- struct {
- ULONG l_i_reserved1;
- } linux1;
- struct {
- ULONG h_i_translator;
- } hurd1;
- struct {
- ULONG m_i_reserved1;
- } masix1;
- } osd1; /* OS dependent 1 */
- ULONG i_block[EXT3_N_BLOCKS];/* Pointers to blocks */
- ULONG i_generation; /* File version (for NFS) */
- ULONG i_file_acl; /* File ACL */
- ULONG i_dir_acl; /* Directory ACL */
- ULONG i_faddr; /* Fragment address */
- union {
- struct {
- UCHAR l_i_frag; /* Fragment number */
- UCHAR l_i_fsize; /* Fragment size */
- USHORT i_pad1;
- USHORT l_i_uid_high; /* these 2 fields */
- USHORT l_i_gid_high; /* were reserved2[0] */
- ULONG l_i_reserved2;
- } linux2;
- struct {
- UCHAR h_i_frag; /* Fragment number */
- UCHAR h_i_fsize; /* Fragment size */
- USHORT h_i_mode_high;
- USHORT h_i_uid_high;
- USHORT h_i_gid_high;
- ULONG h_i_author;
- } hurd2;
- struct {
- UCHAR m_i_frag; /* Fragment number */
- UCHAR m_i_fsize; /* Fragment size */
- USHORT m_pad1;
- ULONG m_i_reserved2[2];
- } masix2;
- } osd2; /* OS dependent 2 */
-};
-
-#define i_size_high i_dir_acl
-
-#if defined(__KERNEL__) || defined(__linux__)
-#define i_reserved1 osd1.linux1.l_i_reserved1
-#define i_frag osd2.linux2.l_i_frag
-#define i_fsize osd2.linux2.l_i_fsize
-#define i_uid_low i_uid
-#define i_gid_low i_gid
-#define i_uid_high osd2.linux2.l_i_uid_high
-#define i_gid_high osd2.linux2.l_i_gid_high
-#define i_reserved2 osd2.linux2.l_i_reserved2
-
-#elif defined(__GNU__)
-
-#define i_translator osd1.hurd1.h_i_translator
-#define i_frag osd2.hurd2.h_i_frag;
-#define i_fsize osd2.hurd2.h_i_fsize;
-#define i_uid_high osd2.hurd2.h_i_uid_high
-#define i_gid_high osd2.hurd2.h_i_gid_high
-#define i_author osd2.hurd2.h_i_author
-
-#elif defined(__masix__)
-
-#define i_reserved1 osd1.masix1.m_i_reserved1
-#define i_frag osd2.masix2.m_i_frag
-#define i_fsize osd2.masix2.m_i_fsize
-#define i_reserved2 osd2.masix2.m_i_reserved2
-
-#endif /* defined(__KERNEL__) || defined(__linux__) */
-
-/*
- * File system states
- */
-#define EXT3_VALID_FS 0x0001 /* Unmounted cleanly */
-#define EXT3_ERROR_FS 0x0002 /* Errors detected */
-#define EXT3_ORPHAN_FS 0x0004 /* Orphans being recovered */
-
-/*
- * Mount flags
- */
-#define EXT3_MOUNT_CHECK 0x0001 /* Do mount-time checks */
-#define EXT3_MOUNT_GRPID 0x0004 /* Create files with directory's group */
-#define EXT3_MOUNT_DEBUG 0x0008 /* Some debugging messages */
-#define EXT3_MOUNT_ERRORS_CONT 0x0010 /* Continue on errors */
-#define EXT3_MOUNT_ERRORS_RO 0x0020 /* Remount fs ro on errors */
-#define EXT3_MOUNT_ERRORS_PANIC 0x0040 /* Panic on errors */
-#define EXT3_MOUNT_MINIX_DF 0x0080 /* Mimics the Minix statfs */
-#define EXT3_MOUNT_NOLOAD 0x0100 /* Don't use existing journal*/
-#define EXT3_MOUNT_ABORT 0x0200 /* Fatal error detected */
-#define EXT3_MOUNT_DATA_FLAGS 0x0C00 /* Mode for data writes: */
- #define EXT3_MOUNT_JOURNAL_DATA 0x0400 /* Write data to journal */
- #define EXT3_MOUNT_ORDERED_DATA 0x0800 /* Flush data before commit */
- #define EXT3_MOUNT_WRITEBACK_DATA 0x0C00 /* No data ordering */
-#define EXT3_MOUNT_UPDATE_JOURNAL 0x1000 /* Update the journal format */
-#define EXT3_MOUNT_NO_UID32 0x2000 /* Disable 32-bit UIDs */
-
-/* Compatibility, for having both ext2_fs.h and ext3_fs.h included at once */
-#ifndef _LINUX_EXT2_FS_H
-#define clear_opt(o, opt) o &= ~EXT3_MOUNT_##opt
-#define set_opt(o, opt) o |= EXT3_MOUNT_##opt
-#define test_opt(sb, opt) ((sb)->u.ext3_sb.s_mount_opt & \
- EXT3_MOUNT_##opt)
-#else
-#define EXT2_MOUNT_NOLOAD EXT3_MOUNT_NOLOAD
-#define EXT2_MOUNT_ABORT EXT3_MOUNT_ABORT
-#endif
-
-#define ext3_set_bit ext2_set_bit
-#define ext3_clear_bit ext2_clear_bit
-#define ext3_test_bit ext2_test_bit
-#define ext3_find_first_zero_bit ext2_find_first_zero_bit
-#define ext3_find_next_zero_bit ext2_find_next_zero_bit
-
-/*
- * Maximal mount counts between two filesystem checks
- */
-#define EXT3_DFL_MAX_MNT_COUNT 20 /* Allow 20 mounts */
-#define EXT3_DFL_CHECKINTERVAL 0 /* Don't use interval check */
-
-/*
- * Behaviour when detecting errors
- */
-#define EXT3_ERRORS_CONTINUE 1 /* Continue execution */
-#define EXT3_ERRORS_RO 2 /* Remount fs read-only */
-#define EXT3_ERRORS_PANIC 3 /* Panic */
-#define EXT3_ERRORS_DEFAULT EXT3_ERRORS_CONTINUE
-
-/*
- * Structure of the super block
- */
-struct ext3_super_block {
-/*00*/ ULONG s_inodes_count; /* Inodes count */
- ULONG s_blocks_count; /* Blocks count */
- ULONG s_r_blocks_count; /* Reserved blocks count */
- ULONG s_free_blocks_count; /* Free blocks count */
-/*10*/ ULONG s_free_inodes_count; /* Free inodes count */
- ULONG s_first_data_block; /* First Data Block */
- ULONG s_log_block_size; /* Block size */
- LONG s_log_frag_size; /* Fragment size */
-/*20*/ ULONG s_blocks_per_group; /* # Blocks per group */
- ULONG s_frags_per_group; /* # Fragments per group */
- ULONG s_inodes_per_group; /* # Inodes per group */
- ULONG s_mtime; /* Mount time */
-/*30*/ ULONG s_wtime; /* Write time */
- USHORT s_mnt_count; /* Mount count */
- SHORT s_max_mnt_count; /* Maximal mount count */
- USHORT s_magic; /* Magic signature */
- USHORT s_state; /* File system state */
- USHORT s_errors; /* Behaviour when detecting errors */
- USHORT s_minor_rev_level; /* minor revision level */
-/*40*/ ULONG s_lastcheck; /* time of last check */
- ULONG s_checkinterval; /* max. time between checks */
- ULONG s_creator_os; /* OS */
- ULONG s_rev_level; /* Revision level */
-/*50*/ USHORT s_def_resuid; /* Default uid for reserved blocks */
- USHORT s_def_resgid; /* Default gid for reserved blocks */
- /*
- * These fields are for EXT3_DYNAMIC_REV superblocks only.
- *
- * Note: the difference between the compatible feature set and
- * the incompatible feature set is that if there is a bit set
- * in the incompatible feature set that the kernel doesn't
- * know about, it should refuse to mount the filesystem.
- *
- * e2fsck's requirements are more strict; if it doesn't know
- * about a feature in either the compatible or incompatible
- * feature set, it must abort and not try to meddle with
- * things it doesn't understand...
- */
- ULONG s_first_ino; /* First non-reserved inode */
- USHORT s_inode_size; /* size of inode structure */
- USHORT s_block_group_nr; /* block group # of this superblock */
- ULONG s_feature_compat; /* compatible feature set */
-/*60*/ ULONG s_feature_incompat; /* incompatible feature set */
- ULONG s_feature_ro_compat; /* readonly-compatible feature set */
-/*68*/ UCHAR s_uuid[16]; /* 128-bit uuid for volume */
-/*78*/ char s_volume_name[16]; /* volume name */
-/*88*/ char s_last_mounted[64]; /* directory where last mounted */
-/*C8*/ ULONG s_algorithm_usage_bitmap; /* For compression */
- /*
- * Performance hints. Directory preallocation should only
- * happen if the EXT3_FEATURE_COMPAT_DIR_PREALLOC flag is on.
- */
- UCHAR s_prealloc_blocks; /* Nr of blocks to try to preallocate*/
- UCHAR s_prealloc_dir_blocks; /* Nr to preallocate for dirs */
- USHORT s_padding1;
- /*
- * Journaling support valid if EXT3_FEATURE_COMPAT_HAS_JOURNAL set.
- */
-/*D0*/ UCHAR s_journal_uuid[16]; /* uuid of journal superblock */
-/*E0*/ ULONG s_journal_inum; /* inode number of journal file */
- ULONG s_journal_dev; /* device number of journal file */
- ULONG s_last_orphan; /* start of list of inodes to delete */
-
-/*EC*/ ULONG s_reserved[197]; /* Padding to the end of the block */
-};
-
-#ifdef __KERNEL__
-#define EXT3_SB(sb) (&((sb)->u.ext3_sb))
-#define EXT3_I(inode) (&((inode)->u.ext3_i))
-#else
-/* Assume that user mode programs are passing in an ext3fs superblock, not
- * a kernel struct super_block. This will allow us to call the feature-test
- * macros from user land. */
-#define EXT3_SB(sb) (sb)
-#endif
-
-#define NEXT_ORPHAN(inode) (inode)->u.ext3_i.i_dtime
-
-/*
- * Codes for operating systems
- */
-#define EXT3_OS_LINUX 0
-#define EXT3_OS_HURD 1
-#define EXT3_OS_MASIX 2
-#define EXT3_OS_FREEBSD 3
-#define EXT3_OS_LITES 4
-
-/*
- * Revision levels
- */
-#define EXT3_GOOD_OLD_REV 0 /* The good old (original) format */
-#define EXT3_DYNAMIC_REV 1 /* V2 format w/ dynamic inode sizes */
-
-#define EXT3_CURRENT_REV EXT3_GOOD_OLD_REV
-#define EXT3_MAX_SUPP_REV EXT3_DYNAMIC_REV
-
-#define EXT3_GOOD_OLD_INODE_SIZE 128
-
-/*
- * Feature set definitions
- */
-
-#define EXT3_HAS_COMPAT_FEATURE(sb,mask) \
- ( EXT3_SB(sb)->s_es->s_feature_compat & cpu_to_le32(mask) )
-#define EXT3_HAS_RO_COMPAT_FEATURE(sb,mask) \
- ( EXT3_SB(sb)->s_es->s_feature_ro_compat & cpu_to_le32(mask) )
-#define EXT3_HAS_INCOMPAT_FEATURE(sb,mask) \
- ( EXT3_SB(sb)->s_es->s_feature_incompat & cpu_to_le32(mask) )
-#define EXT3_SET_COMPAT_FEATURE(sb,mask) \
- EXT3_SB(sb)->s_es->s_feature_compat |= cpu_to_le32(mask)
-#define EXT3_SET_RO_COMPAT_FEATURE(sb,mask) \
- EXT3_SB(sb)->s_es->s_feature_ro_compat |= cpu_to_le32(mask)
-#define EXT3_SET_INCOMPAT_FEATURE(sb,mask) \
- EXT3_SB(sb)->s_es->s_feature_incompat |= cpu_to_le32(mask)
-#define EXT3_CLEAR_COMPAT_FEATURE(sb,mask) \
- EXT3_SB(sb)->s_es->s_feature_compat &= ~cpu_to_le32(mask)
-#define EXT3_CLEAR_RO_COMPAT_FEATURE(sb,mask) \
- EXT3_SB(sb)->s_es->s_feature_ro_compat &= ~cpu_to_le32(mask)
-#define EXT3_CLEAR_INCOMPAT_FEATURE(sb,mask) \
- EXT3_SB(sb)->s_es->s_feature_incompat &= ~cpu_to_le32(mask)
-
-#define EXT3_FEATURE_COMPAT_DIR_PREALLOC 0x0001
-#define EXT3_FEATURE_COMPAT_IMAGIC_INODES 0x0002
-#define EXT3_FEATURE_COMPAT_HAS_JOURNAL 0x0004
-#define EXT3_FEATURE_COMPAT_EXT_ATTR 0x0008
-#define EXT3_FEATURE_COMPAT_RESIZE_INODE 0x0010
-#define EXT3_FEATURE_COMPAT_DIR_INDEX 0x0020
-
-#define EXT3_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001
-#define EXT3_FEATURE_RO_COMPAT_LARGE_FILE 0x0002
-#define EXT3_FEATURE_RO_COMPAT_BTREE_DIR 0x0004
-
-#define EXT3_FEATURE_INCOMPAT_COMPRESSION 0x0001
-#define EXT3_FEATURE_INCOMPAT_FILETYPE 0x0002
-#define EXT3_FEATURE_INCOMPAT_RECOVER 0x0004 /* Needs recovery */
-#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV 0x0008 /* Journal device */
-
-#define EXT3_FEATURE_COMPAT_SUPP 0
-/*#define EXT3_FEATURE_INCOMPAT_SUPP (EXT3_FEATURE_INCOMPAT_FILETYPE| \
- EXT3_FEATURE_INCOMPAT_RECOVER)*/
-#define EXT3_FEATURE_INCOMPAT_SUPP (EXT3_FEATURE_INCOMPAT_FILETYPE)
-#define EXT3_FEATURE_RO_COMPAT_SUPP (EXT3_FEATURE_RO_COMPAT_SPARSE_SUPER| \
- EXT3_FEATURE_RO_COMPAT_LARGE_FILE| \
- EXT3_FEATURE_RO_COMPAT_BTREE_DIR)
-
-/*
- * Default values for user and/or group using reserved blocks
- */
-#define EXT3_DEF_RESUID 0
-#define EXT3_DEF_RESGID 0
-
-/*
- * Structure of a directory entry
- */
-#define EXT3_NAME_LEN 255
-
-struct ext3_dir_entry {
- ULONG inode; /* Inode number */
- USHORT rec_len; /* Directory entry length */
- USHORT name_len; /* Name length */
- CHAR name[EXT3_NAME_LEN]; /* File name */
-};
-
-/*
- * The new version of the directory entry. Since EXT3 structures are
- * stored in intel byte order, and the name_len field could never be
- * bigger than 255 chars, it's safe to reclaim the extra byte for the
- * file_type field.
- */
-struct ext3_dir_entry_2 {
- ULONG inode; /* Inode number */
- USHORT rec_len; /* Directory entry length */
- UCHAR name_len; /* Name length */
- UCHAR file_type;
- CHAR name[EXT3_NAME_LEN]; /* File name */
-};
-
-/*
- * Ext3 directory file types. Only the low 3 bits are used. The
- * other bits are reserved for now.
- */
-#define EXT3_FT_UNKNOWN 0
-#define EXT3_FT_REG_FILE 1
-#define EXT3_FT_DIR 2
-#define EXT3_FT_CHRDEV 3
-#define EXT3_FT_BLKDEV 4
-#define EXT3_FT_FIFO 5
-#define EXT3_FT_SOCK 6
-#define EXT3_FT_SYMLINK 7
-
-#define EXT3_FT_MAX 8
-
-/*
- * EXT3_DIR_PAD defines the directory entries boundaries
- *
- * NOTE: It must be a multiple of 4
- */
-#define EXT3_DIR_PAD 4
-#define EXT3_DIR_ROUND (EXT3_DIR_PAD - 1)
-#define EXT3_DIR_REC_LEN(name_len) (((name_len) + 8 + EXT3_DIR_ROUND) & \
- ~EXT3_DIR_ROUND)
-
-#ifdef __KERNEL__
-/*
- * Describe an inode's exact location on disk and in memory
- */
-struct ext3_iloc
-{
- struct buffer_head *bh;
- struct ext3_inode *raw_inode;
- unsigned long block_group;
-};
-
-
-
-#endif /* __KERNEL__ */
-
-#endif /* _LINUX_EXT3_FS_H */
-
-
-
-typedef struct ext3_super_block EXT2_SUPER_BLOCK, *PEXT2_SUPER_BLOCK;
-typedef struct ext3_inode EXT2_INODE, *PEXT2_INODE;
-typedef struct ext3_group_desc EXT2_GROUP_DESC, *PEXT2_GROUP_DESC;
-typedef struct ext3_dir_entry_2 EXT2_DIR_ENTRY, *PEXT2_DIR_ENTRY;
+typedef struct ext2_sblock EXT2_SUPER_BLOCK, *PEXT2_SUPER_BLOCK;
+typedef struct ext2_inode EXT2_INODE, *PEXT2_INODE;
+typedef struct ext2_block_group EXT2_GROUP_DESC, *PEXT2_GROUP_DESC;
+typedef struct ext2_dirent EXT2_DIR_ENTRY, *PEXT2_DIR_ENTRY;
// EXT2_INODE::i_mode values
#define EXT2_S_IRWXO 0x0007 // Other mask
@@ -661,23 +202,21 @@
typedef struct
{
- ULONGLONG FileSize; // File size
- ULONGLONG FilePointer; // File pointer
+ ULONGLONG FileSize; // File size
+ ULONGLONG FilePointer; // File pointer
ULONG* FileBlockList; // File block list
- UCHAR DriveNumber; // Drive number of open file
- EXT2_INODE Inode; // File's inode
+ UCHAR DriveNumber; // Drive number of open file
+ EXT2_INODE Inode; // File's inode
} EXT2_FILE_INFO, * PEXT2_FILE_INFO;
-
-
BOOLEAN Ext2OpenVolume(UCHAR DriveNumber, ULONGLONG VolumeStartSector, ULONGLONG
PartitionSectorCount);
FILE* Ext2OpenFile(PCSTR FileName);
BOOLEAN Ext2LookupFile(PCSTR FileName, PEXT2_FILE_INFO Ext2FileInfoPointer);
BOOLEAN Ext2SearchDirectoryBufferForFile(PVOID DirectoryBuffer, ULONG DirectorySize,
PCHAR FileName, PEXT2_DIR_ENTRY DirectoryEntry);
BOOLEAN Ext2ReadFile(FILE *FileHandle, ULONG BytesToRead, ULONG* BytesRead, PVOID
Buffer);
-ULONG Ext2GetFileSize(FILE *FileHandle);
+ULONG Ext2GetFileSize(FILE *FileHandle);
VOID Ext2SetFilePointer(FILE *FileHandle, ULONG NewFilePointer);
-ULONG Ext2GetFilePointer(FILE *FileHandle);
+ULONG Ext2GetFilePointer(FILE *FileHandle);
BOOLEAN Ext2ReadVolumeSectors(UCHAR DriveNumber, ULONGLONG SectorNumber, ULONGLONG
SectorCount, PVOID Buffer);
BOOLEAN Ext2ReadFileBig(FILE *FileHandle, ULONGLONG BytesToRead, ULONGLONG* BytesRead,
PVOID Buffer);
@@ -686,15 +225,15 @@
BOOLEAN Ext2ReadDirectory(ULONG Inode, PVOID* DirectoryBuffer, PEXT2_INODE
InodePointer);
BOOLEAN Ext2ReadBlock(ULONG BlockNumber, PVOID Buffer);
BOOLEAN Ext2ReadPartialBlock(ULONG BlockNumber, ULONG StartingOffset, ULONG Length, PVOID
Buffer);
-ULONG Ext2GetGroupDescBlockNumber(ULONG Group);
-ULONG Ext2GetGroupDescOffsetInBlock(ULONG Group);
-ULONG Ext2GetInodeGroupNumber(ULONG Inode);
-ULONG Ext2GetInodeBlockNumber(ULONG Inode);
-ULONG Ext2GetInodeOffsetInBlock(ULONG Inode);
+ULONG Ext2GetGroupDescBlockNumber(ULONG Group);
+ULONG Ext2GetGroupDescOffsetInBlock(ULONG Group);
+ULONG Ext2GetInodeGroupNumber(ULONG Inode);
+ULONG Ext2GetInodeBlockNumber(ULONG Inode);
+ULONG Ext2GetInodeOffsetInBlock(ULONG Inode);
BOOLEAN Ext2ReadInode(ULONG Inode, PEXT2_INODE InodeBuffer);
BOOLEAN Ext2ReadGroupDescriptor(ULONG Group, PEXT2_GROUP_DESC GroupBuffer);
ULONG* Ext2ReadBlockPointerList(PEXT2_INODE Inode);
-ULONGLONG Ext2GetInodeFileSize(PEXT2_INODE Inode);
+ULONGLONG Ext2GetInodeFileSize(PEXT2_INODE Inode);
BOOLEAN Ext2CopyIndirectBlockPointers(ULONG* BlockList, ULONG* CurrentBlockInList, ULONG
BlockCount, ULONG IndirectBlock);
BOOLEAN Ext2CopyDoubleIndirectBlockPointers(ULONG* BlockList, ULONG* CurrentBlockInList,
ULONG BlockCount, ULONG DoubleIndirectBlock);
BOOLEAN Ext2CopyTripleIndirectBlockPointers(ULONG* BlockList, ULONG* CurrentBlockInList,
ULONG BlockCount, ULONG TripleIndirectBlock);