import source from 3.0.10HEADsubmit/trunk/20120831.082806accepted/trunk/20120905.182658master2.0alpha

Signed-off-by: Gui Chen <gui.chen@intel.com>

1 files changed, 214 insertions, 0 deletions

diff --git a/src/dosfsck.h b/src/dosfsck.h
new file mode 100644
index 0000000..25a15ed
--- /dev/null
+++ b/src/dosfsck.h
@@ -0,0 +1,214 @@
+/* dosfsck.h  -  Common data structures and global variables
+
+   Copyright (C) 1993 Werner Almesberger <werner.almesberger@lrc.di.epfl.ch>
+   Copyright (C) 1998 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.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 3 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, see <http://www.gnu.org/licenses/>.
+
+   On Debian systems, the complete text of the GNU General Public License
+   can be found in /usr/share/common-licenses/GPL-3 file.
+*/
+
+/* FAT32, VFAT, Atari format support, and various fixes additions May 1998
+ * by Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de> */
+
+
+#ifndef _DOSFSCK_H
+#define _DOSFSCK_H
+
+#include <sys/types.h>
+#define _LINUX_STAT_H		/* hack to avoid inclusion of <linux/stat.h> */
+#define _LINUX_STRING_H_	/* hack to avoid inclusion of <linux/string.h>*/
+#define _LINUX_FS_H             /* hack to avoid inclusion of <linux/fs.h> */
+
+# include <asm/types.h>
+# include <asm/byteorder.h>
+
+#include <linux/msdos_fs.h>
+
+#undef CF_LE_W
+#undef CF_LE_L
+#undef CT_LE_W
+#undef CT_LE_L
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+#include <byteswap.h>
+#define CF_LE_W(v) bswap_16(v)
+#define CF_LE_L(v) bswap_32(v)
+#define CT_LE_W(v) CF_LE_W(v)
+#define CT_LE_L(v) CF_LE_L(v)
+#else
+#define CF_LE_W(v) (v)
+#define CF_LE_L(v) (v)
+#define CT_LE_W(v) (v)
+#define CT_LE_L(v) (v)
+#endif /* __BIG_ENDIAN */
+
+#define VFAT_LN_ATTR (ATTR_RO | ATTR_HIDDEN | ATTR_SYS | ATTR_VOLUME)
+
+/* ++roman: Use own definition of boot sector structure -- the kernel headers'
+ * name for it is msdos_boot_sector in 2.0 and fat_boot_sector in 2.1 ... */
+struct boot_sector {
+    __u8	ignored[3];	/* Boot strap short or near jump */
+    __u8	system_id[8];	/* Name - can be used to special case
+				   partition manager volumes */
+    __u8	sector_size[2];	/* bytes per logical sector */
+    __u8	cluster_size;	/* sectors/cluster */
+    __u16	reserved;	/* reserved sectors */
+    __u8	fats;		/* number of FATs */
+    __u8	dir_entries[2];	/* root directory entries */
+    __u8	sectors[2];	/* number of sectors */
+    __u8	media;		/* media code (unused) */
+    __u16	fat_length;	/* sectors/FAT */
+    __u16	secs_track;	/* sectors per track */
+    __u16	heads;		/* number of heads */
+    __u32	hidden;		/* hidden sectors (unused) */
+    __u32	total_sect;	/* number of sectors (if sectors == 0) */
+
+    /* The following fields are only used by FAT32 */
+    __u32	fat32_length;	/* sectors/FAT */
+    __u16	flags;		/* bit 8: fat mirroring, low 4: active fat */
+    __u8	version[2];	/* major, minor filesystem version */
+    __u32	root_cluster;	/* first cluster in root directory */
+    __u16	info_sector;	/* filesystem info sector */
+    __u16	backup_boot;	/* backup boot sector */
+    __u8 	reserved2[12];	/* Unused */
+
+    __u8        drive_number;   /* Logical Drive Number */
+    __u8        reserved3;      /* Unused */
+
+    __u8        extended_sig;   /* Extended Signature (0x29) */
+    __u32       serial;         /* Serial number */
+    __u8        label[11];      /* FS label */
+    __u8        fs_type[8];     /* FS Type */
+
+    /* fill up to 512 bytes */
+    __u8	junk[422];
+} __attribute__ ((packed));
+
+struct boot_sector_16 {
+    __u8	ignored[3];	/* Boot strap short or near jump */
+    __u8	system_id[8];	/* Name - can be used to special case
+				   partition manager volumes */
+    __u8	sector_size[2];	/* bytes per logical sector */
+    __u8	cluster_size;	/* sectors/cluster */
+    __u16	reserved;	/* reserved sectors */
+    __u8	fats;		/* number of FATs */
+    __u8	dir_entries[2];	/* root directory entries */
+    __u8	sectors[2];	/* number of sectors */
+    __u8	media;		/* media code (unused) */
+    __u16	fat_length;	/* sectors/FAT */
+    __u16	secs_track;	/* sectors per track */
+    __u16	heads;		/* number of heads */
+    __u32	hidden;		/* hidden sectors (unused) */
+    __u32	total_sect;	/* number of sectors (if sectors == 0) */
+
+    __u8        drive_number;   /* Logical Drive Number */
+    __u8        reserved2;      /* Unused */
+
+    __u8        extended_sig;   /* Extended Signature (0x29) */
+    __u32       serial;         /* Serial number */
+    __u8        label[11];      /* FS label */
+    __u8        fs_type[8];     /* FS Type */
+
+    /* fill up to 512 bytes */
+    __u8	junk[450];
+} __attribute__ ((packed));
+
+struct info_sector {
+    __u32	magic;		/* Magic for info sector ('RRaA') */
+    __u8	junk[0x1dc];
+    __u32	reserved1;	/* Nothing as far as I can tell */
+    __u32	signature;	/* 0x61417272 ('rrAa') */
+    __u32	free_clusters;	/* Free cluster count.  -1 if unknown */
+    __u32	next_cluster;	/* Most recently allocated cluster. */
+    __u32	reserved2[3];
+    __u16	reserved3;
+    __u16	boot_sign;
+};
+
+typedef struct {
+    __u8	name[8],ext[3];	/* name and extension */
+    __u8	attr;		/* attribute bits */
+    __u8	lcase;		/* Case for base and extension */
+    __u8	ctime_ms;	/* Creation time, milliseconds */
+    __u16	ctime;		/* Creation time */
+    __u16	cdate;		/* Creation date */
+    __u16	adate;		/* Last access date */
+    __u16	starthi;	/* High 16 bits of cluster in FAT32 */
+    __u16	time,date,start;/* time, date and first cluster */
+    __u32	size;		/* file size (in bytes) */
+} __attribute__ ((packed)) DIR_ENT;
+
+typedef struct _dos_file {
+    DIR_ENT dir_ent;
+    char *lfn;
+    loff_t offset;
+    loff_t lfn_offset;
+    struct _dos_file *parent; /* parent directory */
+    struct _dos_file *next; /* next entry */
+    struct _dos_file *first; /* first entry (directory only) */
+} DOS_FILE;
+
+typedef struct {
+    unsigned long value;
+    unsigned long reserved;
+} FAT_ENTRY;
+
+typedef struct {
+    int nfats;
+    loff_t fat_start;
+    unsigned int fat_size; /* unit is bytes */
+    unsigned int fat_bits; /* size of a FAT entry */
+    unsigned int eff_fat_bits; /* # of used bits in a FAT entry */
+    unsigned long root_cluster; /* 0 for old-style root dir */
+    loff_t root_start;
+    unsigned int root_entries;
+    loff_t data_start;
+    unsigned int cluster_size;
+    unsigned long clusters;
+    loff_t fsinfo_start; /* 0 if not present */
+    long free_clusters;
+    loff_t backupboot_start; /* 0 if not present */
+    unsigned char *fat;
+    DOS_FILE **cluster_owner;
+    char *label;
+} DOS_FS;
+
+#ifndef offsetof
+#define offsetof(t,e)	((int)&(((t *)0)->e))
+#endif
+
+extern int interactive,rw,list,verbose,test,write_immed;
+extern int atari_format;
+extern unsigned n_files;
+extern void *mem_queue;
+
+/* value to use as end-of-file marker */
+#define FAT_EOF(fs)	((atari_format ? 0xfff : 0xff8) | FAT_EXTD(fs))
+#define FAT_IS_EOF(fs,v) ((unsigned long)(v) >= (0xff8|FAT_EXTD(fs)))
+/* value to mark bad clusters */
+#define FAT_BAD(fs)	(0xff7 | FAT_EXTD(fs))
+/* range of values used for bad clusters */
+#define FAT_MIN_BAD(fs)	((atari_format ? 0xff0 : 0xff7) | FAT_EXTD(fs))
+#define FAT_MAX_BAD(fs)	((atari_format ? 0xff7 : 0xff7) | FAT_EXTD(fs))
+#define FAT_IS_BAD(fs,v) ((v) >= FAT_MIN_BAD(fs) && (v) <= FAT_MAX_BAD(fs))
+
+/* return -16 as a number with fs->fat_bits bits */
+#define FAT_EXTD(fs)	(((1 << fs->eff_fat_bits)-1) & ~0xf)
+
+/* marker for files with no 8.3 name */
+#define FAT_NO_83NAME 32
+
+#endif