[ros-diffs] 01/01: [VFATLIB] Upgrade fsck.fat to 4.1

[Pierre Schweitzer]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=469289ed5c5f91849ef1c…

commit 469289ed5c5f91849ef1c35ce95a1115ecb18f24
Author:     Pierre Schweitzer <pierre(a)reactos.org>
AuthorDate: Mon May 28 23:18:25 2018 +0200
Commit:     Pierre Schweitzer <pierre(a)reactos.org>
CommitDate: Mon May 28 23:18:25 2018 +0200

    [VFATLIB] Upgrade fsck.fat to 4.1
    
    Also make it easier to sync in the future.
---
 media/doc/README.FSD                   |   3 +
 sdk/lib/fslib/vfatlib/check/boot.c     | 237 ++++++++++++++-----
 sdk/lib/fslib/vfatlib/check/boot.h     |   2 +
 sdk/lib/fslib/vfatlib/check/check.c    | 400 +++++++++++++++++++++------------
 sdk/lib/fslib/vfatlib/check/check.h    |  12 +-
 sdk/lib/fslib/vfatlib/check/common.c   |  73 ++++--
 sdk/lib/fslib/vfatlib/check/common.h   |  29 ++-
 sdk/lib/fslib/vfatlib/check/fat.c      |  65 +++---
 sdk/lib/fslib/vfatlib/check/file.c     |  25 ++-
 sdk/lib/fslib/vfatlib/check/fsck.fat.h |  61 +++--
 sdk/lib/fslib/vfatlib/check/io.c       |  98 ++++----
 sdk/lib/fslib/vfatlib/check/io.h       |  20 +-
 sdk/lib/fslib/vfatlib/check/lfn.c      |  19 +-
 sdk/lib/fslib/vfatlib/check/msdos_fs.h |   8 +
 14 files changed, 677 insertions(+), 375 deletions(-)

diff --git a/media/doc/README.FSD b/media/doc/README.FSD
index c4afbdc1f8..8d9993d40f 100644
--- a/media/doc/README.FSD
+++ b/media/doc/README.FSD
@@ -20,3 +20,6 @@ The following FSD are shared with:
https://github.com/Microsoft/Windows-driver-s
 
 reactos/drivers/filesystems/fastfat_new     # Synced to 2817004
 reactos/drivers/filesystems/cdfs_new        # Synced to f73e552
+
+The following FS libs are shared with: https://github.com/dosfstools/dosfstools
+reactos/sdk/lib/fslib/vfatlib/check         # Synced to 4.1
diff --git a/sdk/lib/fslib/vfatlib/check/boot.c b/sdk/lib/fslib/vfatlib/check/boot.c
index 8596e2bb23..2c8681bbce 100644
--- a/sdk/lib/fslib/vfatlib/check/boot.c
+++ b/sdk/lib/fslib/vfatlib/check/boot.c
@@ -30,7 +30,6 @@
 #define NDEBUG
 #include <debug.h>
 
-
 #define ROUND_TO_MULTIPLE(n,m) ((n) && (m) ? (n)+(m)-1-((n)-1)%(m) : 0)
     /* don't divide by zero */
 
@@ -42,29 +41,21 @@ static struct {
     uint8_t media;
     const char *descr;
 } mediabytes[] = {
-    { 0xf0, "5.25\" or 3.5\" HD floppy" },
-    { 0xf8, "hard disk" },
-    { 0xf9, "3.5\" 720k floppy 2s/80tr/9sec or "
-            "5.25\" 1.2M floppy 2s/80tr/15sec" },
-    { 0xfa, "5.25\" 320k floppy 1s/80tr/8sec" },
-    { 0xfb, "3.5\" 640k floppy 2s/80tr/8sec" },
-    { 0xfc, "5.25\" 180k floppy 1s/40tr/9sec" },
-    { 0xfd, "5.25\" 360k floppy 2s/40tr/9sec" },
-    { 0xfe, "5.25\" 160k floppy 1s/40tr/8sec" },
-    { 0xff, "5.25\" 320k floppy 2s/40tr/8sec" },
-};
-
-#if defined __alpha || defined __ia64__ || defined __x86_64__ || defined __ppc64__
-/* Unaligned fields must first be copied byte-wise (little endian) */
-#define GET_UNALIGNED_W(u) \
-    (((unsigned char*)(&u))[0] | (((unsigned char*)&(u))[1] << 8))
-#elif defined __s390x__
-/* Unaligned fields must first be copied byte-wise (big endian) */
-#define GET_UNALIGNED_W(pu) \
-    (((unsigned char*)&(u))[1] | (((unsigned char*)&(u))[0] << 8))
-#else
-#define GET_UNALIGNED_W(f) le16toh( *(unsigned short *)&f )
-#endif
+    {
+    0xf0, "5.25\" or 3.5\" HD floppy"}, {
+    0xf8, "hard disk"}, {
+    0xf9, "3,5\" 720k floppy 2s/80tr/9sec or "
+	    "5.25\" 1.2M floppy 2s/80tr/15sec"}, {
+    0xfa, "5.25\" 320k floppy 1s/80tr/8sec"}, {
+    0xfb, "3.5\" 640k floppy 2s/80tr/8sec"}, {
+    0xfc, "5.25\" 180k floppy 1s/40tr/9sec"}, {
+    0xfd, "5.25\" 360k floppy 2s/40tr/9sec"}, {
+    0xfe, "5.25\" 160k floppy 1s/40tr/8sec"}, {
+0xff, "5.25\" 320k floppy 2s/40tr/8sec"},};
+
+/* Unaligned fields must first be accessed byte-wise */
+#define GET_UNALIGNED_W(f)			\
+    ( (uint16_t)f[0] | ((uint16_t)f[1]<<8) )
 
 static const char *get_media_descr(unsigned char media)
 {
@@ -103,8 +94,8 @@ static void dump_boot(DOS_FS * fs, struct boot_sector *b, unsigned
lss)
 	   (unsigned long long)fs->fat_start,
 	   (unsigned long long)fs->fat_start / lss);
     printf("%10d FATs, %d bit entries\n", b->fats, fs->fat_bits);
-    printf("%10d bytes per FAT (= %u sectors)\n", fs->fat_size,
-	   fs->fat_size / lss);
+    printf("%10lld bytes per FAT (= %llu sectors)\n", (long
long)fs->fat_size,
+	   (long long)fs->fat_size / lss);
     if (!fs->root_cluster) {
 	printf("Root directory starts at byte %llu (sector %llu)\n",
 	       (unsigned long long)fs->root_start,
@@ -130,7 +121,7 @@ static void dump_boot(DOS_FS * fs, struct boot_sector *b, unsigned
lss)
     printf("%10u sectors total\n", sectors ? sectors :
le32toh(b->total_sect));
 }
 
-static void check_backup_boot(DOS_FS * fs, struct boot_sector *b, int lss)
+static void check_backup_boot(DOS_FS * fs, struct boot_sector *b, unsigned int lss)
 {
     struct boot_sector b2;
 
@@ -145,7 +136,7 @@ static void check_backup_boot(DOS_FS * fs, struct boot_sector *b, int
lss)
 	else
 	    printf("  Auto-creating backup boot block.\n");
 	if (!interactive || get_key("12", "?") == '1') {
-	    int bbs;
+	    unsigned int bbs;
 	    /* The usual place for the backup boot sector is sector 6. Choose
 	     * that or the last reserved sector. */
 	    if (le16toh(b->reserved) >= 7 && le16toh(b->info_sector) != 6)
@@ -210,14 +201,15 @@ static void check_backup_boot(DOS_FS * fs, struct boot_sector *b,
int lss)
 
 static void init_fsinfo(struct info_sector *i)
 {
+    memset(i, 0, sizeof (struct info_sector));
     i->magic = htole32(0x41615252);
     i->signature = htole32(0x61417272);
     i->free_clusters = htole32(-1);
     i->next_cluster = htole32(2);
-    i->boot_sign = htole16(0xaa55);
+    i->boot_sign = htole32(0xaa550000);
 }
 
-static void read_fsinfo(DOS_FS * fs, struct boot_sector *b, int lss)
+static void read_fsinfo(DOS_FS * fs, struct boot_sector *b, unsigned int lss)
 {
     struct info_sector i;
 
@@ -257,7 +249,7 @@ static void read_fsinfo(DOS_FS * fs, struct boot_sector *b, int lss)
     fs_read(fs->fsinfo_start, sizeof(i), &i);
 
     if (i.magic != htole32(0x41615252) ||
-	i.signature != htole32(0x61417272) || i.boot_sign != htole16(0xaa55)) {
+	i.signature != htole32(0x61417272) || i.boot_sign != htole32(0xaa550000)) {
 	printf("FSINFO sector has bad magic number(s):\n");
 	if (i.magic != htole32(0x41615252))
 	    printf("  Offset %llu: 0x%08x != expected 0x%08x\n",
@@ -267,10 +259,10 @@ static void read_fsinfo(DOS_FS * fs, struct boot_sector *b, int
lss)
 	    printf("  Offset %llu: 0x%08x != expected 0x%08x\n",
 		   (unsigned long long)offsetof(struct info_sector, signature),
 		   le32toh(i.signature), 0x61417272);
-	if (i.boot_sign != htole16(0xaa55))
-	    printf("  Offset %llu: 0x%04x != expected 0x%04x\n",
+	if (i.boot_sign != htole32(0xaa550000))
+	    printf("  Offset %llu: 0x%08x != expected 0x%08x\n",
 		   (unsigned long long)offsetof(struct info_sector, boot_sign),
-		   le16toh(i.boot_sign), 0xaa55);
+		   le32toh(i.boot_sign), 0xaa550000);
 	if (interactive)
 	    printf("1) Correct\n2) Don't correct (FSINFO invalid then)\n");
 	else
@@ -294,11 +286,17 @@ static char print_fat_dirty_state(void)
     if (interactive) {
 	printf("1) Remove dirty bit\n" "2) No action\n");
 	return get_key("12", "?");
+#ifndef __REACTOS__
+    } else
+#else
     } else if (rw) {
+#endif
 	printf(" Automatically removing dirty bit.\n");
     return '1';
+#ifdef __REACTOS__
     }
     return '2';
+#endif
 }
 
 static void check_fat_state_bit(DOS_FS * fs, void *b)
@@ -330,8 +328,9 @@ void read_boot(DOS_FS * fs)
 {
     struct boot_sector b;
     unsigned total_sectors;
-    unsigned short logical_sector_size, sectors;
-    unsigned fat_length;
+    unsigned int logical_sector_size, sectors;
+    off_t fat_length;
+    unsigned total_fat_entries;
     off_t data_size;
 
     fs_read(0, sizeof(b), &b);
@@ -359,8 +358,12 @@ void read_boot(DOS_FS * fs)
     /* Can't access last odd sector anyway, so round down */
     fs_test((off_t)((total_sectors & ~1) - 1) * logical_sector_size,
 	    logical_sector_size);
+
     fat_length = le16toh(b.fat_length) ?
 	le16toh(b.fat_length) : le32toh(b.fat32_length);
+    if (!fat_length)
+	die("FAT size is zero.");
+
     fs->fat_start = (off_t)le16toh(b.reserved) * logical_sector_size;
     fs->root_start = ((off_t)le16toh(b.reserved) + b.fats * fat_length) *
 	logical_sector_size;
@@ -368,7 +371,11 @@ void read_boot(DOS_FS * fs)
     fs->data_start = fs->root_start + ROUND_TO_MULTIPLE(fs->root_entries
<<
 							MSDOS_DIR_BITS,
 							logical_sector_size);
+
     data_size = (off_t)total_sectors * logical_sector_size - fs->data_start;
+    if (data_size < fs->cluster_size)
+	die("Filesystem has no space for any data clusters");
+
     fs->data_clusters = data_size / fs->cluster_size;
     fs->root_cluster = 0;	/* indicates standard, pre-FAT32 root dir */
     fs->fsinfo_start = 0;	/* no FSINFO structure */
@@ -408,7 +415,8 @@ void read_boot(DOS_FS * fs)
 	 * much clusers otherwise. */
 	fs->fat_bits = (fs->data_clusters >= FAT12_THRESHOLD) ? 16 : 12;
 	if (fs->data_clusters >= FAT16_THRESHOLD)
-	    die("Too many clusters (%lu) for FAT16 filesystem.",
fs->data_clusters);
+	    die("Too many clusters (%lu) for FAT16 filesystem.",
+		    (unsigned long)fs->data_clusters);
 	check_fat_state_bit(fs, &b);
     } else {
 	/* On Atari, things are more difficult: GEMDOS always uses 12bit FATs
@@ -428,34 +436,43 @@ void read_boot(DOS_FS * fs)
 
     fs->label = calloc(12, sizeof(uint8_t));
     if (fs->fat_bits == 12 || fs->fat_bits == 16) {
-        struct boot_sector_16 *b16 = (struct boot_sector_16 *)&b;
-        if (b16->extended_sig == 0x29)
-            memmove(fs->label, b16->label, 11);
-        else {
-            free(fs->label);
-            fs->label = NULL;
-        }
+	struct boot_sector_16 *b16 = (struct boot_sector_16 *)&b;
+	if (b16->extended_sig == 0x29)
+	    memmove(fs->label, b16->label, 11);
+	else
+#ifdef __REACTOS__
+	{
+	    free(fs->label);
+#endif
+	    fs->label = NULL;
+#ifdef __REACTOS__
+	}
+#endif
     } else if (fs->fat_bits == 32) {
-        if (b.extended_sig == 0x29)
-            memmove(fs->label, &b.label, 11);
-        else {
-            free(fs->label);
-            fs->label = NULL;
-        }
+	if (b.extended_sig == 0x29)
+	    memmove(fs->label, &b.label, 11);
+	else
+#ifdef __REACTOS__
+	{
+	    free(fs->label);
+#endif
+	    fs->label = NULL;
+#ifdef __REACTOS__
+	}
+#endif
     }
 
-    if (fs->data_clusters >
-	((uint64_t)fs->fat_size * 8 / fs->fat_bits) - 2)
-	die("Filesystem has %d clusters but only space for %d FAT entries.",
-	    fs->data_clusters,
-	    ((unsigned long long)fs->fat_size * 8 / fs->fat_bits) - 2);
+    total_fat_entries = (uint64_t)fs->fat_size * 8 / fs->fat_bits;
+    if (fs->data_clusters > total_fat_entries - 2)
+	die("Filesystem has %u clusters but only space for %u FAT entries.",
+	    fs->data_clusters, total_fat_entries - 2);
     if (!fs->root_entries && !fs->root_cluster)
 	die("Root directory has zero size.");
     if (fs->root_entries & (MSDOS_DPS - 1))
 	die("Root directory (%d entries) doesn't span an integral number of "
 	    "sectors.", fs->root_entries);
     if (logical_sector_size & (SECTOR_SIZE - 1))
-	die("Logical sector size (%d bytes) is not a multiple of the physical "
+	die("Logical sector size (%u bytes) is not a multiple of the physical "
 	    "sector size.", logical_sector_size);
 #if 0				/* linux kernel doesn't check that either */
     /* ++roman: On Atari, these two fields are often left uninitialized */
@@ -465,3 +482,111 @@ void read_boot(DOS_FS * fs)
     if (verbose)
 	dump_boot(fs, &b, logical_sector_size);
 }
+
+#ifndef __REACTOS__
+static void write_boot_label(DOS_FS * fs, char *label)
+{
+    if (fs->fat_bits == 12 || fs->fat_bits == 16) {
+	struct boot_sector_16 b16;
+
+	fs_read(0, sizeof(b16), &b16);
+	if (b16.extended_sig != 0x29) {
+	    b16.extended_sig = 0x29;
+	    b16.serial = 0;
+	    memmove(b16.fs_type, fs->fat_bits == 12 ? "FAT12   " : "FAT16  
",
+		    8);
+	}
+	memmove(b16.label, label, 11);
+	fs_write(0, sizeof(b16), &b16);
+    } else if (fs->fat_bits == 32) {
+	struct boot_sector b;
+
+	fs_read(0, sizeof(b), &b);
+	if (b.extended_sig != 0x29) {
+	    b.extended_sig = 0x29;
+	    b.serial = 0;
+	    memmove(b.fs_type, "FAT32   ", 8);
+	}
+	memmove(b.label, label, 11);
+	fs_write(0, sizeof(b), &b);
+	if (fs->backupboot_start)
+	    fs_write(fs->backupboot_start, sizeof(b), &b);
+    }
+}
+
+off_t find_volume_de(DOS_FS * fs, DIR_ENT * de)
+{
+    uint32_t cluster;
+    off_t offset;
+    int i;
+
+    if (fs->root_cluster) {
+	for (cluster = fs->root_cluster;
+	     cluster != 0 && cluster != -1;
+	     cluster = next_cluster(fs, cluster)) {
+	    offset = cluster_start(fs, cluster);
+	    for (i = 0; i * sizeof(DIR_ENT) < fs->cluster_size; i++) {
+		fs_read(offset, sizeof(DIR_ENT), de);
+		if (de->attr != VFAT_LN_ATTR && de->attr & ATTR_VOLUME)
+		    return offset;
+		offset += sizeof(DIR_ENT);
+	    }
+	}
+    } else {
+	for (i = 0; i < fs->root_entries; i++) {
+	    offset = fs->root_start + i * sizeof(DIR_ENT);
+	    fs_read(offset, sizeof(DIR_ENT), de);
+	    if (de->attr != VFAT_LN_ATTR && de->attr & ATTR_VOLUME)
+		return offset;
+	}
+    }
+
+    return 0;
+}
+
+static void write_volume_label(DOS_FS * fs, char *label)
+{
+    time_t now = time(NULL);
+    struct tm *mtime = localtime(&now);
+    off_t offset;
+    int created;
+    DIR_ENT de;
+
+    created = 0;
+    offset = find_volume_de(fs, &de);
+    if (offset == 0) {
+	created = 1;
+	offset = alloc_rootdir_entry(fs, &de, label, 0);
+    }
+    memcpy(de.name, label, 11);
+    de.time = htole16((unsigned short)((mtime->tm_sec >> 1) +
+				       (mtime->tm_min << 5) +
+				       (mtime->tm_hour << 11)));
+    de.date = htole16((unsigned short)(mtime->tm_mday +
+				       ((mtime->tm_mon + 1) << 5) +
+				       ((mtime->tm_year - 80) << 9)));
+    if (created) {
+	de.attr = ATTR_VOLUME;
+	de.ctime_ms = 0;
+	de.ctime = de.time;
+	de.cdate = de.date;
+	de.adate = de.date;
+	de.starthi = 0;
+	de.start = 0;
+	de.size = 0;
+    }
+
+    fs_write(offset, sizeof(DIR_ENT), &de);
+}
+
+void write_label(DOS_FS * fs, char *label)
+{
+    int l = strlen(label);
+
+    while (l < 11)
+	label[l++] = ' ';
+
+    write_boot_label(fs, label);
+    write_volume_label(fs, label);
+}
+#endif
diff --git a/sdk/lib/fslib/vfatlib/check/boot.h b/sdk/lib/fslib/vfatlib/check/boot.h
index e962939404..dd9404fcd5 100644
--- a/sdk/lib/fslib/vfatlib/check/boot.h
+++ b/sdk/lib/fslib/vfatlib/check/boot.h
@@ -24,6 +24,8 @@
 #define _BOOT_H
 
 void read_boot(DOS_FS * fs);
+void write_label(DOS_FS * fs, char *label);
+off_t find_volume_de(DOS_FS * fs, DIR_ENT * de);
 
 /* Reads the boot sector from the currently open device and initializes *FS */
 
diff --git a/sdk/lib/fslib/vfatlib/check/check.c b/sdk/lib/fslib/vfatlib/check/check.c
index dcf1808687..ae6f5cb8bd 100644
--- a/sdk/lib/fslib/vfatlib/check/check.c
+++ b/sdk/lib/fslib/vfatlib/check/check.c
@@ -32,7 +32,7 @@
 
 
 /* the longest path on the filesystem that can be handled by path_name() */
-#define PATH_NAME_MAX 1023  // MAX_PATH
+#define PATH_NAME_MAX 1023
 
 static DOS_FILE *root;
 
@@ -71,7 +71,7 @@ static DOS_FILE *root;
     }									\
   } while(0)
 
-off_t alloc_rootdir_entry(DOS_FS * fs, DIR_ENT * de, const char *pattern)
+off_t alloc_rootdir_entry(DOS_FS * fs, DIR_ENT * de, const char *pattern, int gen_name)
 {
     static int curr_num = 0;
     off_t offset;
@@ -125,32 +125,36 @@ off_t alloc_rootdir_entry(DOS_FS * fs, DIR_ENT * de, const char
*pattern)
 		fs_write(offset + i, sizeof(d2), &d2);
 	}
 	memset(de, 0, sizeof(DIR_ENT));
-	while (1) {
-	    char expanded[12];
-	    sprintf(expanded, pattern, curr_num);
-	    memcpy(de->name, expanded, MSDOS_NAME);
-	    clu_num = fs->root_cluster;
-	    i = 0;
-	    offset2 = cluster_start(fs, clu_num);
-	    while (clu_num > 0 && clu_num != -1) {
-		fs_read(offset2, sizeof(DIR_ENT), &d2);
-		if (offset2 != offset &&
-		    !strncmp((const char *)d2.name, (const char *)de->name,
-			     MSDOS_NAME))
-		    break;
-		i += sizeof(DIR_ENT);
-		offset2 += sizeof(DIR_ENT);
-		if ((i % fs->cluster_size) == 0) {
-		    if ((clu_num = next_cluster(fs, clu_num)) == 0 ||
-			clu_num == -1)
+	if (gen_name) {
+	    while (1) {
+		char expanded[12];
+		sprintf(expanded, pattern, curr_num);
+		memcpy(de->name, expanded, MSDOS_NAME);
+		clu_num = fs->root_cluster;
+		i = 0;
+		offset2 = cluster_start(fs, clu_num);
+		while (clu_num > 0 && clu_num != -1) {
+		    fs_read(offset2, sizeof(DIR_ENT), &d2);
+		    if (offset2 != offset &&
+			!strncmp((const char *)d2.name, (const char *)de->name,
+				 MSDOS_NAME))
 			break;
-		    offset2 = cluster_start(fs, clu_num);
+		    i += sizeof(DIR_ENT);
+		    offset2 += sizeof(DIR_ENT);
+		    if ((i % fs->cluster_size) == 0) {
+			if ((clu_num = next_cluster(fs, clu_num)) == 0 ||
+			    clu_num == -1)
+			    break;
+			offset2 = cluster_start(fs, clu_num);
+		    }
 		}
+		if (clu_num == 0 || clu_num == -1)
+		    break;
+		if (++curr_num >= 10000)
+		    die("Unable to create unique name");
 	    }
-	    if (clu_num == 0 || clu_num == -1)
-		break;
-	    if (++curr_num >= 10000)
-		die("Unable to create unique name");
+	} else {
+	    memcpy(de->name, pattern, MSDOS_NAME);
 	}
     } else {
 	DIR_ENT *root;
@@ -169,19 +173,23 @@ off_t alloc_rootdir_entry(DOS_FS * fs, DIR_ENT * de, const char
*pattern)
 	    die("Root directory is full.");
 	offset = fs->root_start + next_free * sizeof(DIR_ENT);
 	memset(de, 0, sizeof(DIR_ENT));
-	while (1) {
-	    char expanded[12];
-	    sprintf(expanded, pattern, curr_num);
-	    memcpy(de->name, expanded, MSDOS_NAME);
-	    for (scan = 0; scan < fs->root_entries; scan++)
-		if (scan != next_free &&
-		    !strncmp((const char *)root[scan].name,
-			     (const char *)de->name, MSDOS_NAME))
+	if (gen_name) {
+	    while (1) {
+		char expanded[12];
+		sprintf(expanded, pattern, curr_num);
+		memcpy(de->name, expanded, MSDOS_NAME);
+		for (scan = 0; scan < fs->root_entries; scan++)
+		    if (scan != next_free &&
+			!strncmp((const char *)root[scan].name,
+				 (const char *)de->name, MSDOS_NAME))
+			break;
+		if (scan == fs->root_entries)
 		    break;
-	    if (scan == fs->root_entries)
-		break;
-	    if (++curr_num >= 10000)
-		die("Unable to create unique name");
+		if (++curr_num >= 10000)
+		    die("Unable to create unique name");
+	    }
+	} else {
+	    memcpy(de->name, pattern, MSDOS_NAME);
 	}
 	free(root);
     }
@@ -243,7 +251,7 @@ static time_t date_dos2unix(unsigned short time, unsigned short date)
     return secs;
 }
 
-#if 1 // Old version!
+#ifdef __REACTOS__ // Old version!
 
 static char *file_stat(DOS_FILE * file)
 {
@@ -341,7 +349,7 @@ static int bad_name(DOS_FILE * file)
     if (atari_format && suspicious)
 	return 1;
 
-#if 1 // Old !!!!!!!!!!!!!!!
+#ifdef __REACTOS__ // Old !!!!!!!!!!!!!!!
 
     /* Only complain about too much suspicious chars in interactive mode,
      * never correct them automatically. The chars are all basically ok, so we
@@ -451,27 +459,46 @@ static void auto_rename(DOS_FILE * file)
     die("Can't generate a unique name.");
 }
 
-static void rename_file(DOS_FILE *file)
+static void rename_file(DOS_FILE * file)
 {
-    //unsigned char name[46];
-    //unsigned char *walk,*here;
+#ifndef __REACTOS__
+    unsigned char name[46];
+    unsigned char *walk, *here;
+#endif
 
     if (!file->offset) {
+#ifndef __REACTOS__
+	printf("Cannot rename FAT32 root dir\n");
+#else
 	VfatPrint( "Cannot rename FAT32 root dir\n" );
-	return;	/* cannot rename FAT32 root dir */
+#endif
+	return;			/* cannot rename FAT32 root dir */
     }
     while (1) {
-	VfatPrint("New name: ");
-#if 0
+#ifndef __REACTOS__
+	printf("New name: ");
 	fflush(stdout);
-	if (fgets((char*)name,45,stdin)) {
-	    if ((here = (unsigned char*)strchr((char*)name,'\n'))) *here = 0;
-	    for (walk = (unsigned char*)strrchr((char*)name,0); walk >= name &&
(*walk == ' ' ||
-	      *walk == '\t'); walk--);
+	if (fgets((char *)name, 45, stdin)) {
+	    if ((here = (unsigned char *)strchr((const char *)name, '\n')))
+		*here = 0;
+	    for (walk = (unsigned char *)strrchr((const char *)name, 0);
+		 walk >= name && (*walk == ' ' || *walk == '\t'); walk--) ;
 	    walk[1] = 0;
-	    for (walk = name; *walk == ' ' || *walk == '\t'; walk++);
-	    if (file_cvt(walk,file->dir_ent.name)) {
-		fs_write(file->offset,MSDOS_NAME,file->dir_ent.name);
+	    for (walk = name; *walk == ' ' || *walk == '\t'; walk++) ;
+	    if (file_cvt(walk, file->dir_ent.name)) {
+		if (file->dir_ent.lcase & FAT_NO_83NAME) {
+		    /* as we only assign a new 8.3 filename, reset flag that 8.3 name is not
+		       present */
+		    file->dir_ent.lcase &= ~FAT_NO_83NAME;
+		    /* reset the attributes, only keep DIR and VOLUME */
+		    file->dir_ent.attr &= ~(ATTR_DIR | ATTR_VOLUME);
+		    fs_write(file->offset, MSDOS_NAME + 2, &file->dir_ent);
+		} else {
+		    fs_write(file->offset, MSDOS_NAME, file->dir_ent.name);
+		}
+		if (file->lfn)
+		    lfn_fix_checksum(file->lfn_offset, file->offset,
+				     (const char *)file->dir_ent.name);
 		return;
 	    }
 	}
@@ -493,25 +520,33 @@ static int handle_dot(DOS_FS * fs, DOS_FILE * file, int dots)
 	if (interactive)
 	    printf("1) Drop it\n2) Auto-rename\n3) Rename\n"
 		   "4) Convert to directory\n");
+#ifndef __REACTOS__
+	else
+#else
 	else if (rw)
+#endif
 	    printf("  Auto-renaming it.\n");
+#ifdef __REACTOS__
 	if (rw || interactive) {
-		switch (interactive ? get_key("1234", "?") : '2') {
-		case '1':
-		    drop_file(fs, file);
-		    return 1;
-		case '2':
-		    auto_rename(file);
-		    printf("  Renamed to %s\n", file_name(file->dir_ent.name));
-		    return 0;
-		case '3':
-		    rename_file(file);
+#endif
+	switch (interactive ? get_key("1234", "?") : '2') {
+	case '1':
+	    drop_file(fs, file);
+	    return 1;
+	case '2':
+	    auto_rename(file);
+	    printf("  Renamed to %s\n", file_name(file->dir_ent.name));
 	    return 0;
-		case '4':
-		    MODIFY(file, size, htole32(0));
-		    MODIFY(file, attr, file->dir_ent.attr | ATTR_DIR);
-		    break;
+	case '3':
+	    rename_file(file);
+	    return 0;
+	case '4':
+	    MODIFY(file, size, htole32(0));
+	    MODIFY(file, attr, file->dir_ent.attr | ATTR_DIR);
+	    break;
+#ifdef __REACTOS__
 		}
+#endif
 	}
     }
     if (!dots) {
@@ -530,9 +565,15 @@ static int check_file(DOS_FS * fs, DOS_FILE * file)
 
     if (file->dir_ent.attr & ATTR_DIR) {
 	if (le32toh(file->dir_ent.size)) {
+#ifndef __REACTOS__
+	    printf("%s\n  Directory has non-zero size. Fixing it.\n",
+		   path_name(file));
+#else
 	    printf("%s\n  Directory has non-zero size.%s\n",
 		   path_name(file), (rw) ? " Fixing it." : "");
-	    if (rw) MODIFY(file, size, htole32(0));
+	    if (rw)
+#endif
+	    MODIFY(file, size, htole32(0));
 	}
 	if (file->parent
 	    && !strncmp((const char *)file->dir_ent.name, MSDOS_DOT,
@@ -541,7 +582,10 @@ static int check_file(DOS_FS * fs, DOS_FILE * file)
 	    if (FSTART(file, fs) != expect) {
 		printf("%s\n  Start (%lu) does not point to parent (%lu)\n",
 		       path_name(file), (unsigned long)FSTART(file, fs), (long)expect);
-		if (rw) MODIFY_START(file, expect, fs);
+#ifdef __REACTOS__
+		if (rw)
+#endif
+		MODIFY_START(file, expect, fs);
 	    }
 	    return 0;
 	}
@@ -555,14 +599,23 @@ static int check_file(DOS_FS * fs, DOS_FILE * file)
 	    if (FSTART(file, fs) != expect) {
 		printf("%s\n  Start (%lu) does not point to .. (%lu)\n",
 		       path_name(file), (unsigned long)FSTART(file, fs), (unsigned long)expect);
-		if (rw) MODIFY_START(file, expect, fs);
+#ifdef __REACTOS__
+		if (rw)
+#endif
+		MODIFY_START(file, expect, fs);
 	    }
 	    return 0;
 	}
 	if (FSTART(file, fs) == 0) {
+#ifndef __REACTOS__
+	    printf("%s\n Start does point to root directory. Deleting dir. \n",
+		   path_name(file));
+#else
 	    printf("%s\n Start does point to root directory.%s\n",
 		   path_name(file), (rw) ? " Deleting dir. " : "");
-	    if (rw) MODIFY(file, name[0], DELETED_FLAG);
+	    if (rw)
+#endif
+	    MODIFY(file, name[0], DELETED_FLAG);
 	    return 0;
 	}
     }
@@ -571,19 +624,31 @@ static int check_file(DOS_FS * fs, DOS_FILE * file)
 	       path_name(file));
 	if (!file->offset)
 	    die("Bad FAT32 root directory! (bad start cluster 1)\n");
-	if (rw) MODIFY_START(file, 0, fs);
+#ifdef __REACTOS__
+	if (rw)
+#endif
+	MODIFY_START(file, 0, fs);
     }
     if (FSTART(file, fs) >= fs->data_clusters + 2) {
 	printf
+#ifndef __REACTOS__
+	    ("%s\n  Start cluster beyond limit (%lu > %lu). Truncating file.\n",
+	     path_name(file), (unsigned long)FSTART(file, fs),
+	     (unsigned long)(fs->data_clusters + 1));
+#else
 	    ("%s\n  Start cluster beyond limit (%lu > %lu).%s\n",
 	     path_name(file), (unsigned long)FSTART(file, fs),
 	     (unsigned long)(fs->data_clusters + 1),
 	     (rw) ? " Truncating file." : "");
+#endif
 	if (!file->offset)
 	    die("Bad FAT32 root directory! (start cluster beyond limit: %lu >
%lu)\n",
 		(unsigned long)FSTART(file, fs),
 		(unsigned long)(fs->data_clusters + 1));
-	if (rw) MODIFY_START(file, 0, fs);
+#ifdef __REACTOS__
+	if (rw)
+#endif
+	MODIFY_START(file, 0, fs);
     }
     clusters = prev = 0;
     for (curr = FSTART(file, fs) ? FSTART(file, fs) :
@@ -592,34 +657,46 @@ static int check_file(DOS_FS * fs, DOS_FILE * file)
 	get_fat(&curEntry, fs->fat, curr, fs);
 
 	if (!curEntry.value || bad_cluster(fs, curr)) {
+#ifndef __REACTOS__
+	    printf("%s\n  Contains a %s cluster (%lu). Assuming EOF.\n",
+		   path_name(file), curEntry.value ? "bad" : "free", (unsigned
long)curr);
+#else
 	    printf("%s\n  Contains a %s cluster (%lu).%s\n",
 		   path_name(file), curEntry.value ? "bad" : "free", (unsigned
long)curr,
 		   (rw) ? " Assuming EOF." : "");
+#endif
 	    if (prev)
 		set_fat(fs, prev, -1);
 	    else if (!file->offset)
 		die("FAT32 root dir starts with a bad cluster!");
 	    else
-		if (rw) MODIFY_START(file, 0, fs);
+#ifdef __REACTOS__
+		if (rw)
+#endif
+		MODIFY_START(file, 0, fs);
 	    break;
 	}
 	if (!(file->dir_ent.attr & ATTR_DIR) && le32toh(file->dir_ent.size)
<=
 	    (uint64_t)clusters * fs->cluster_size) {
+#ifdef __REACTOS__
 	    if (rw) {
-		    printf
-			("%s\n  File size is %u bytes, cluster chain length is > %llu "
-			 "bytes.\n  Truncating file to %u bytes.\n", path_name(file),
-			 le32toh(file->dir_ent.size),
-			 (unsigned long long)clusters * fs->cluster_size,
-			 le32toh(file->dir_ent.size));
-		    truncate_file(fs, file, clusters);
+#endif
+	    printf
+		("%s\n  File size is %u bytes, cluster chain length is > %llu "
+		 "bytes.\n  Truncating file to %u bytes.\n", path_name(file),
+		 le32toh(file->dir_ent.size),
+		 (unsigned long long)clusters * fs->cluster_size,
+		 le32toh(file->dir_ent.size));
+	    truncate_file(fs, file, clusters);
+#ifdef __REACTOS__
 	    } else {
-		    printf
-			("%s\n  File size is %u bytes, cluster chain length is > %llu "
-			 "bytes.\n", path_name(file),
-			 le32toh(file->dir_ent.size),
-			 (unsigned long long)clusters * fs->cluster_size);
+	    printf
+		("%s\n  File size is %u bytes, cluster chain length is > %llu "
+		 "bytes.\n", path_name(file),
+		 le32toh(file->dir_ent.size),
+		 (unsigned long long)clusters * fs->cluster_size);
 	    }
+#endif
 	    break;
 	}
 	if ((owner = get_owner(fs, curr))) {
@@ -634,27 +711,43 @@ static int check_file(DOS_FS * fs, DOS_FILE * file)
 		else
 		    clusters2++;
 	    restart = file->dir_ent.attr & ATTR_DIR;
+#ifndef __REACTOS__
+	    if (!owner->offset) {
+#else
 	    if (!owner->offset && rw) {
+#endif
 		printf("  Truncating second to %llu bytes because first "
 		       "is FAT32 root dir.\n",
-		       (unsigned long long)clusters2 * fs->cluster_size);
+		       (unsigned long long)clusters * fs->cluster_size);
 		do_trunc = 2;
+#ifndef __REACTOS__
+	    } else if (!file->offset) {
+#else
 	    } else if (!file->offset && rw) {
+#endif
 		printf("  Truncating first to %llu bytes because second "
 		       "is FAT32 root dir.\n",
-		       (unsigned long long)clusters * fs->cluster_size);
+		       (unsigned long long)clusters2 * fs->cluster_size);
 		do_trunc = 1;
 	    } else if (interactive)
 		printf("1) Truncate first to %llu bytes%s\n"
 		       "2) Truncate second to %llu bytes\n",
-		       (unsigned long long)clusters * fs->cluster_size,
+		       (unsigned long long)clusters2 * fs->cluster_size,
 		       restart ? " and restart" : "",
-		       (unsigned long long)clusters2 * fs->cluster_size);
-	    else if (rw)
+		       (unsigned long long)clusters * fs->cluster_size);
+	    else
+#ifdef __REACTOS__
+	    if (rw)
+#endif
 		printf("  Truncating second to %llu bytes.\n",
-		       (unsigned long long)clusters2 * fs->cluster_size);
+		       (unsigned long long)clusters * fs->cluster_size);
+#ifndef __REACTOS__
+	    if (do_trunc != 2
+		&& (do_trunc == 1
+#else
 	    if ((do_trunc != 2 && rw)
 		&& ((do_trunc == 1 && rw)
+#endif
 		    || (interactive && get_key("12", "?") == '1')))
{
 		prev = 0;
 		clusters = 0;
@@ -696,7 +789,11 @@ static int check_file(DOS_FS * fs, DOS_FILE * file)
 	prev = curr;
     }
     if (!(file->dir_ent.attr & ATTR_DIR) && le32toh(file->dir_ent.size)
>
+#ifndef __REACTOS__
+	(uint64_t)clusters * fs->cluster_size) {
+#else
 	(uint64_t)clusters * fs->cluster_size && rw) {
+#endif
 	printf
 	    ("%s\n  File size is %u bytes, cluster chain length is %llu bytes."
 	     "\n  Truncating file to %llu bytes.\n", path_name(file),
@@ -739,7 +836,11 @@ static int check_dir(DOS_FS * fs, DOS_FILE ** root, int dots)
 	       path_name(parent), bad, good + bad);
 	if (!dots)
 	    printf("  Not dropping root directory.\n");
+#ifndef __REACTOS__
+	else if (!interactive)
+#else
 	else if (!interactive || !rw)
+#endif
 	    printf("  Not dropping it in auto-mode.\n");
 	else if (get_key("yn", "Drop directory ? (y/n)") == 'y') {
 	    truncate_file(fs, parent, 0);
@@ -766,30 +867,43 @@ static int check_dir(DOS_FS * fs, DOS_FILE ** root, int dots)
 		dotdot++;
 	}
 	if (!((*walk)->dir_ent.attr & ATTR_VOLUME) && bad_name(*walk)) {
+#ifndef __REACTOS__
+	    puts(path_name(*walk));
+	    printf("  Bad short file name (%s).\n",
+		   file_name((*walk)->dir_ent.name));
+#else
 	    printf("%s\n  Bad short file name (%s).\n",
 		   path_name(*walk), file_name((*walk)->dir_ent.name));
+#endif
 	    if (interactive)
 		printf("1) Drop file\n2) Rename file\n3) Auto-rename\n"
 		       "4) Keep it\n");
-	    else if (rw)
+	    else
+#ifdef __REACTOS__
+	    if (rw)
+#endif
 		printf("  Auto-renaming it.\n");
+#ifdef __REACTOS__
 	    if (rw || interactive) {
-		    switch (interactive ? get_key("1234", "?") : '3') {
-		    case '1':
-			drop_file(fs, *walk);
-			walk = &(*walk)->next;
-			continue;
-		    case '2':
-			rename_file(*walk);
-			redo = 1;
-			break;
-		    case '3':
-			auto_rename(*walk);
-			printf("  Renamed to %s\n", file_name((*walk)->dir_ent.name));
-			break;
-		    case '4':
-			break;
+#endif
+	    switch (interactive ? get_key("1234", "?") : '3') {
+	    case '1':
+		drop_file(fs, *walk);
+		walk = &(*walk)->next;
+		continue;
+	    case '2':
+		rename_file(*walk);
+		redo = 1;
+		break;
+	    case '3':
+		auto_rename(*walk);
+		printf("  Renamed to %s\n", file_name((*walk)->dir_ent.name));
+		break;
+	    case '4':
+		break;
+#ifdef __REACTOS__
 		    }
+#endif
 	    }
 	}
 	/* don't check for duplicates of the volume label */
@@ -808,40 +922,47 @@ static int check_dir(DOS_FS * fs, DOS_FILE ** root, int dots)
 			    ("1) Drop first\n2) Drop second\n3) Rename first\n"
 			     "4) Rename second\n5) Auto-rename first\n"
 			     "6) Auto-rename second\n");
-		    else if (rw)
+		    else
+#ifdef __REACTOS__
+		    if (rw)
+#endif
 			printf("  Auto-renaming second.\n");
+#ifdef __REACTOS__
 		    if (rw || interactive) {
-			    switch (interactive ? get_key("123456", "?") : '6') {
-			    case '1':
-				drop_file(fs, *walk);
-				*walk = (*walk)->next;
-				skip = 1;
-				break;
-			    case '2':
-				drop_file(fs, *scan);
-				*scan = (*scan)->next;
-				continue;
-			    case '3':
-				rename_file(*walk);
-				printf("  Renamed to %s\n", path_name(*walk));
-				redo = 1;
-				break;
-			    case '4':
-				rename_file(*scan);
-				printf("  Renamed to %s\n", path_name(*walk));
-				redo = 1;
-				break;
-			    case '5':
-				auto_rename(*walk);
-				printf("  Renamed to %s\n",
-				       file_name((*walk)->dir_ent.name));
-				break;
-			    case '6':
-				auto_rename(*scan);
-				printf("  Renamed to %s\n",
-				       file_name((*scan)->dir_ent.name));
-				break;
+#endif
+		    switch (interactive ? get_key("123456", "?") : '6') {
+		    case '1':
+			drop_file(fs, *walk);
+			*walk = (*walk)->next;
+			skip = 1;
+			break;
+		    case '2':
+			drop_file(fs, *scan);
+			*scan = (*scan)->next;
+			continue;
+		    case '3':
+			rename_file(*walk);
+			printf("  Renamed to %s\n", path_name(*walk));
+			redo = 1;
+			break;
+		    case '4':
+			rename_file(*scan);
+			printf("  Renamed to %s\n", path_name(*walk));
+			redo = 1;
+			break;
+		    case '5':
+			auto_rename(*walk);
+			printf("  Renamed to %s\n",
+			       file_name((*walk)->dir_ent.name));
+			break;
+		    case '6':
+			auto_rename(*scan);
+			printf("  Renamed to %s\n",
+			       file_name((*scan)->dir_ent.name));
+			break;
+#ifdef __REACTOS__
 			    }
+#endif
 		    }
 		}
 		scan = &(*scan)->next;
@@ -917,6 +1038,9 @@ static void test_file(DOS_FS * fs, DOS_FILE * file, int read_test)
 		    MODIFY_START(file, next_cluster(fs, walk), fs);
 		set_fat(fs, walk, -2);
 	    }
+	} else {
+	    prev = walk;
+	    clusters++;
 	}
 	set_owner(fs, walk, file);
     }
diff --git a/sdk/lib/fslib/vfatlib/check/check.h b/sdk/lib/fslib/vfatlib/check/check.h
index 933bbf45b6..4dfa03a049 100644
--- a/sdk/lib/fslib/vfatlib/check/check.h
+++ b/sdk/lib/fslib/vfatlib/check/check.h
@@ -23,13 +23,13 @@
 #ifndef _CHECK_H
 #define _CHECK_H
 
-off_t alloc_rootdir_entry(DOS_FS * fs, DIR_ENT * de, const char *pattern);
+off_t alloc_rootdir_entry(DOS_FS * fs, DIR_ENT * de, const char *pattern, int gen_name);
 
-/* Allocate a free slot in the root directory for a new file. The file name is
-   constructed after 'pattern', which must include a %d type format for printf
-   and expand to exactly 11 characters. The name actually used is written into
-   the 'de' structure, the rest of *de is cleared. The offset returned is to
-   where in the filesystem the entry belongs. */
+/* Allocate a free slot in the root directory for a new file. If gen_name is
+   true, the file name is constructed after 'pattern', which must include a %d
+   type format for printf and expand to exactly 11 characters. The name
+   actually used is written into the 'de' structure, the rest of *de is cleared.
+   The offset returned is to where in the filesystem the entry belongs. */
 
 int scan_root(DOS_FS * fs);
 
diff --git a/sdk/lib/fslib/vfatlib/check/common.c b/sdk/lib/fslib/vfatlib/check/common.c
index 4782f16cfa..2b02d63519 100644
--- a/sdk/lib/fslib/vfatlib/check/common.c
+++ b/sdk/lib/fslib/vfatlib/check/common.c
@@ -1,7 +1,3 @@
-/****
- ** Platform-dependent file
- ****/
-
 /* common.c - Common functions
 
    Copyright (C) 1993 Werner Almesberger &lt;werner.almesberger(a)lrc.di.epfl.ch&gt;
@@ -33,12 +29,12 @@
 #define NDEBUG
 #include <debug.h>
 
-
 typedef struct _link {
     void *data;
     struct _link *next;
 } LINK;
 
+#ifdef __REACTOS__
 DECLSPEC_NORETURN // __attribute((noreturn))
 void exit(int exitcode)
 {
@@ -51,38 +47,61 @@ void exit(int exitcode)
 
 DECLSPEC_NORETURN // __attribute((noreturn))
 void die_func(const char *msg, ...) // die
+#else
+void die(const char *msg, ...)
+#endif
 {
     va_list args;
 
     va_start(args, msg);
-    // vfprintf(stderr, msg, args);
+#ifndef __REACTOS__
+    vfprintf(stderr, msg, args);
+#else
     DPRINT1("Unrecoverable problem!\n");
     VfatPrintV((char*)msg, args);
+#endif
     va_end(args);
-    // // fprintf(stderr, "\n");
-    // VfatPrint("\n");
-
+#ifndef __REACTOS__
+    fprintf(stderr, "\n");
+#endif
     exit(1);
 }
 
+#ifdef __REACTOS__
 DECLSPEC_NORETURN // __attribute((noreturn))
 void pdie_func(const char *msg, ...) // pdie
+#else
+void pdie(const char *msg, ...)
+#endif
 {
     va_list args;
 
     va_start(args, msg);
-    // vfprintf(stderr, msg, args);
+#ifndef __REACTOS__
+    vfprintf(stderr, msg, args);
+#else
     DPRINT1("Unrecoverable problem!\n");
     VfatPrintV((char*)msg, args);
+#endif
     va_end(args);
-    // // fprintf(stderr, ":%s\n", strerror(errno));
-    // // VfatPrint(":%s\n", strerror(errno));
-    // VfatPrint("\n");
-
+#ifndef __REACTOS__
+    fprintf(stderr, ":%s\n", strerror(errno));
+#endif
     exit(1);
 }
 
-void *vfalloc(size_t size)
+#ifndef __REACTOS__
+void *alloc(int size)
+{
+    void *this;
+
+    if ((this = malloc(size)))
+	return this;
+    pdie("malloc");
+    return NULL;		/* for GCC */
+}
+#else
+void *vfalloc(int size)
 {
     void *ptr;
 
@@ -97,7 +116,7 @@ void *vfalloc(size_t size)
     return ptr;
 }
 
-void *vfcalloc(size_t size, size_t count)
+void *vfcalloc(int size, int count)
 {
     void *ptr;
 
@@ -115,15 +134,24 @@ void vffree(void *ptr)
 {
     RtlFreeHeap(RtlGetProcessHeap(), 0, ptr);
 }
+#endif
 
 void *qalloc(void **root, int size)
 {
     LINK *link;
 
+#ifndef __REACTOS__
+    link = alloc(sizeof(LINK));
+#else
     link = vfalloc(sizeof(LINK));
+#endif
     link->next = *root;
     *root = link;
+#ifndef __REACTOS__
+    return link->data = alloc(size);
+#else
     return link->data = vfalloc(size);
+#endif
 }
 
 void qfree(void **root)
@@ -133,24 +161,29 @@ void qfree(void **root)
     while (*root) {
 	this = (LINK *) * root;
 	*root = this->next;
+#ifndef __REACTOS__
+	free(this->data);
+	free(this);
+#else
 	vffree(this->data);
 	vffree(this);
+#endif
     }
 }
 
-
+#ifdef __REACTOS__
 #ifdef min
 #undef min
 #endif
-int min(int a,int b)
+#endif
+int min(int a, int b)
 {
     return a < b ? a : b;
 }
 
-
 char get_key(const char *valid, const char *prompt)
 {
-#if 0
+#ifndef __REACTOS__
     int ch, okay;
 
     while (1) {
diff --git a/sdk/lib/fslib/vfatlib/check/common.h b/sdk/lib/fslib/vfatlib/check/common.h
index da990db14d..e957d0b37c 100644
--- a/sdk/lib/fslib/vfatlib/check/common.h
+++ b/sdk/lib/fslib/vfatlib/check/common.h
@@ -1,7 +1,3 @@
-/****
- ** Platform-dependent file
- ****/
-
 /* common.h - Common functions
 
    Copyright (C) 1993 Werner Almesberger &lt;werner.almesberger(a)lrc.di.epfl.ch&gt;
@@ -27,29 +23,42 @@
 #ifndef _COMMON_H
 #define _COMMON_H
 
+#ifndef __REACTOS__
+void die(const char *msg, ...)
+    __attribute((noreturn, format(printf, 1, 2)));
+#else
 DECLSPEC_NORETURN // __attribute((noreturn))
-// void die(const char *msg, ...);
 void die_func(const char *msg, ...);
 #define die(msg, ...)   \
 do {                    \
     die_func("DIE! (%s:%d) " msg "\n", __RELFILE__, __LINE__,
##__VA_ARGS__);  \
 } while (0)
+#endif
 
 /* Displays a prinf-style message and terminates the program. */
 
+#ifndef __REACTOS__
+void pdie(const char *msg, ...)
+    __attribute((noreturn, format(printf, 1, 2)));
+#else
 DECLSPEC_NORETURN // __attribute((noreturn))
-// void pdie(const char *msg, ...);
 void pdie_func(const char *msg, ...);
 #define pdie(msg, ...)   \
 do {                    \
     pdie_func("P-DIE! (%s:%d) " msg "\n", __RELFILE__, __LINE__,
##__VA_ARGS__);  \
 } while (0)
+#endif
 
 /* Like die, but appends an error message according to the state of errno. */
 
-void *vfalloc(size_t size);
-void *vfcalloc(size_t size, size_t count);
+#ifndef __REACTOS__
+void *alloc(int size);
+#else
+void *vfalloc(int size);
+void *vfcalloc(int size, int count);
 void vffree(void *ptr);
+#endif
+
 /* mallocs SIZE bytes and returns a pointer to the data. Terminates the program
    if malloc fails. */
 
@@ -61,7 +70,9 @@ void qfree(void **root);
 
 /* Deallocates all qalloc'ed data areas described by ROOT. */
 
-//int min(int a,int b);
+#ifndef __REACTOS__
+int min(int a, int b);
+#endif
 
 /* Returns the smaller integer value of a and b. */
 
diff --git a/sdk/lib/fslib/vfatlib/check/fat.c b/sdk/lib/fslib/vfatlib/check/fat.c
index a601e6a67f..efb05e1cdb 100644
--- a/sdk/lib/fslib/vfatlib/check/fat.c
+++ b/sdk/lib/fslib/vfatlib/check/fat.c
@@ -350,7 +350,11 @@ void reclaim_free(DOS_FS * fs)
 	get_fat(&curEntry, fs->fat, i, fs);
 
 	if (!get_owner(fs, i) && curEntry.value &&
+#ifndef __REACTOS__
+	    !FAT_IS_BAD(fs, curEntry.value)) {
+#else
 	    !FAT_IS_BAD(fs, curEntry.value) && rw) {
+#endif
 	    set_fat(fs, i, 0);
 	    reclaimed++;
 	}
@@ -490,32 +494,36 @@ void reclaim_file(DOS_FS * fs)
     }
     while (changed);
 
+#ifdef __REACTOS__
     if (rw) {
-        /* Now we can start recovery */
-        files = reclaimed = 0;
-        for (i = 2; i < total_num_clusters; i++)
-	    /* If this cluster is the head of an orphan chain... */
-	    if (get_owner(fs, i) == &orphan && !num_refs[i]) {
-	        DIR_ENT de;
-	        off_t offset;
-	        files++;
-	        offset = alloc_rootdir_entry(fs, &de, "FSCK%04dREC");
-	        de.start = htole16(i & 0xffff);
-	        if (fs->fat_bits == 32)
-		    de.starthi = htole16(i >> 16);
-	        for (walk = i; walk > 0 && walk != -1;
-		     walk = next_cluster(fs, walk)) {
-		    de.size = htole32(le32toh(de.size) + fs->cluster_size);
-		    reclaimed++;
-	        }
-	        fs_write(offset, sizeof(DIR_ENT), &de);
+#endif
+    /* Now we can start recovery */
+    files = reclaimed = 0;
+    for (i = 2; i < total_num_clusters; i++)
+	/* If this cluster is the head of an orphan chain... */
+	if (get_owner(fs, i) == &orphan && !num_refs[i]) {
+	    DIR_ENT de;
+	    off_t offset;
+	    files++;
+	    offset = alloc_rootdir_entry(fs, &de, "FSCK%04dREC", 1);
+	    de.start = htole16(i & 0xffff);
+	    if (fs->fat_bits == 32)
+		de.starthi = htole16(i >> 16);
+	    for (walk = i; walk > 0 && walk != -1;
+		 walk = next_cluster(fs, walk)) {
+		de.size = htole32(le32toh(de.size) + fs->cluster_size);
+		reclaimed++;
 	    }
-        if (reclaimed)
-	    printf("Reclaimed %d unused cluster%s (%llu bytes) in %d chain%s.\n",
-	           reclaimed, reclaimed == 1 ? "" : "s",
-	           (unsigned long long)reclaimed * fs->cluster_size, files,
-	           files == 1 ? "" : "s");
-    }
+	    fs_write(offset, sizeof(DIR_ENT), &de);
+	}
+    if (reclaimed)
+	printf("Reclaimed %d unused cluster%s (%llu bytes) in %d chain%s.\n",
+	       reclaimed, reclaimed == 1 ? "" : "s",
+	       (unsigned long long)reclaimed * fs->cluster_size, files,
+	       files == 1 ? "" : "s");
+#ifdef __REACTOS__
+	}
+#endif
 
     free(num_refs);
 }
@@ -545,9 +553,16 @@ uint32_t update_free(DOS_FS * fs)
 		   (long)fs->free_clusters, (long)free);
 	    if (interactive)
 		printf("1) Correct\n2) Don't correct\n");
-	    else if (rw)
+	    else
+#ifdef __REACTOS__
+	    if (rw)
+#endif
 		printf("  Auto-correcting.\n");
+#ifndef __REACTOS__
+	    if (!interactive || get_key("12", "?") == '1')
+#else
 	    if ((!interactive && rw) || (interactive && get_key("12",
"?") == '1'))
+#endif
 		do_set = 1;
 	}
     } else {
diff --git a/sdk/lib/fslib/vfatlib/check/file.c b/sdk/lib/fslib/vfatlib/check/file.c
index 004e308c24..66be32bade 100644
--- a/sdk/lib/fslib/vfatlib/check/file.c
+++ b/sdk/lib/fslib/vfatlib/check/file.c
@@ -29,13 +29,14 @@
 #define NDEBUG
 #include <debug.h>
 
-
 FDSC *fp_root = NULL;
 
 static void put_char(char **p, unsigned char c)
 {
-    // if (dos_char_to_printable(p, c))
-	// return;
+#ifndef __REACTOS__
+    if (dos_char_to_printable(p, c))
+	return;
+#endif
     if ((c >= ' ' && c < 0x7f) || c >= 0xa0)
 	*(*p)++ = c;
     else {
@@ -108,18 +109,15 @@ int file_cvt(unsigned char *name, unsigned char *fixed)
 	}
 	if (c == '\\') {
 	    c = 0;
+	    name++;
 	    for (cnt = 3; cnt; cnt--) {
 		if (*name < '0' || *name > '7') {
-		    printf("Invalid octal character.\n");
+		    printf("Expected three octal digits.\n");
 		    return 0;
 		}
 		c = c * 8 + *name++ - '0';
 	    }
-	    if (cnt < 4) {
-		printf("Expected three octal digits.\n");
-		return 0;
-	    }
-	    name += 3;
+	    name--;
 	}
 	if (islower(c))
 	    c = toupper(c);
@@ -158,7 +156,14 @@ void file_add(char *path, FD_TYPE type)
 	    exit(2);
 	for (walk = *current; walk; walk = walk->next)
 	    if (!here && (!strncmp(name, walk->name, MSDOS_NAME) || (type ==
-	     fdt_undelete && !strncmp(name + 1, walk->name + 1, MSDOS_NAME - 1))))
+								     fdt_undelete
+								     &&
+								     !strncmp
+								     (name + 1,
+								      walk->name
+								      + 1,
+								      MSDOS_NAME
+								      - 1))))
 		die("Ambiguous name: \"%s\"", path);
 	    else if (here && !strncmp(name, walk->name, MSDOS_NAME))
 		break;
diff --git a/sdk/lib/fslib/vfatlib/check/fsck.fat.h
b/sdk/lib/fslib/vfatlib/check/fsck.fat.h
index 6b06ae2692..2e9db8f8ba 100644
--- a/sdk/lib/fslib/vfatlib/check/fsck.fat.h
+++ b/sdk/lib/fslib/vfatlib/check/fsck.fat.h
@@ -28,10 +28,14 @@
 #ifndef _DOSFSCK_H
 #define _DOSFSCK_H
 
-//#include "types.h"
-
+#ifndef __REACTOS__
+#include <sys/types.h>
+#include <fcntl.h>
+#include <stddef.h>
+#endif
 #include <stdint.h>
 
+#ifdef __REACTOS__
 #ifdef _WIN32
 
 typedef unsigned int __u32;
@@ -48,29 +52,8 @@ typedef unsigned __int64 __u64;
 #include "byteorder.h"
 #endif
 
-#if 0
-#undef le16toh
-#undef le32toh
-#undef htole16
-#undef htole32
-#endif
-
 #if __BYTE_ORDER == __BIG_ENDIAN
 #include "byteswap.h"
-
-#if 0
-#define le16toh(v) bswap_16(v)
-#define le32toh(v) bswap_32(v)
-#define htole16(v) le16toh(v)
-#define htole32(v) le32toh(v)
-#endif
-#if 0
-#define le16toh(v)	le16_to_cpu(v)
-#define le32toh(v)	le32_to_cpu(v)
-#define htole16(v)	cpu_to_le16(v)
-#define htole32(v)	cpu_to_le32(v)
-#endif
-
 #else
 #define le16toh(v) (v)
 #define le32toh(v) (v)
@@ -78,19 +61,17 @@ typedef unsigned __int64 __u64;
 #define htole32(v) (v)
 #endif /* __BIG_ENDIAN */
 
-// #include "endian_compat.h"
+#endif
 
+#ifndef __REACTOS__
+#include "endian_compat.h"
+#else
 #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;
-
 #include "rosglue.h"
+#endif
 
 #include "msdos_fs.h"
 
@@ -98,7 +79,9 @@ typedef unsigned __int64 __u64;
 
 #define FAT_STATE_DIRTY 0x01
 
+#ifdef __REACTOS__
 #include <pshpack1.h>
+#endif
 
 /* ++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 ... */
@@ -171,14 +154,12 @@ struct boot_sector_16 {
 
 struct info_sector {
     uint32_t magic;		/* Magic for info sector ('RRaA') */
-    uint8_t junk[0x1dc];
-    uint32_t reserved1;		/* Nothing as far as I can tell */
+    uint8_t reserved1[480];
     uint32_t signature;		/* 0x61417272 ('rrAa') */
     uint32_t free_clusters;	/* Free cluster count.  -1 if unknown */
     uint32_t next_cluster;	/* Most recently allocated cluster. */
-    uint32_t reserved2[3];
-    uint16_t reserved3;
-    uint16_t boot_sign;
+    uint8_t reserved2[12];
+    uint32_t boot_sign;
 };
 
 typedef struct {
@@ -194,7 +175,9 @@ typedef struct {
     uint32_t size;		/* file size (in bytes) */
 } __attribute__ ((packed)) DIR_ENT;
 
+#ifdef __REACTOS__
 #include <poppack.h>
+#endif
 
 typedef struct _dos_file {
     DIR_ENT dir_ent;
@@ -214,7 +197,7 @@ typedef struct {
 typedef struct {
     int nfats;
     off_t fat_start;
-    unsigned int fat_size;	/* unit is bytes */
+    off_t 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 */
     uint32_t root_cluster;	/* 0 for old-style root dir */
@@ -231,6 +214,12 @@ typedef struct {
     char *label;
 } DOS_FS;
 
+#ifndef __REACTOS__
+extern int interactive, rw, list, verbose, test, write_immed;
+extern int atari_format;
+extern unsigned n_files;
+extern void *mem_queue;
+#endif
 
 /* value to use as end-of-file marker */
 #define FAT_EOF(fs)	((atari_format ? 0xfff : 0xff8) | FAT_EXTD(fs))
diff --git a/sdk/lib/fslib/vfatlib/check/io.c b/sdk/lib/fslib/vfatlib/check/io.c
index 06e0496e1a..e16d40a877 100644
--- a/sdk/lib/fslib/vfatlib/check/io.c
+++ b/sdk/lib/fslib/vfatlib/check/io.c
@@ -1,7 +1,3 @@
-/****
- ** Platform-dependent file
- ****/
-
 /* io.c - Virtual disk input/output
 
    Copyright (C) 1993 Werner Almesberger &lt;werner.almesberger(a)lrc.di.epfl.ch&gt;
@@ -51,6 +47,9 @@ typedef struct _change {
 } CHANGE;
 
 static CHANGE *changes, *last;
+#ifndef __REACTOS__
+static int fd, did_change = 0;
+#else
 static int did_change = 0;
 static HANDLE fd;
 static LARGE_INTEGER CurrentOffset;
@@ -157,8 +156,20 @@ static off_t WIN32lseek(HANDLE fd, off_t offset, int whence)
 #define lseek	WIN32lseek
 
 /******************************************************************************/
+#endif
 
 
+#ifndef __REACTOS__
+void fs_open(char *path, int rw)
+{
+    if ((fd = open(path, rw ? O_RDWR : O_RDONLY)) < 0) {
+	perror("open");
+	exit(6);
+    }
+    changes = last = NULL;
+    did_change = 0;
+}
+#else
 NTSTATUS fs_open(PUNICODE_STRING DriveRoot, int read_write)
 {
     NTSTATUS Status;
@@ -264,6 +275,7 @@ void fs_dismount(void)
         DPRINT1("NtFsControlFile() failed with Status 0x%08x\n", Status);
     }
 }
+#endif
 
 /**
  * Read data from the partition, accounting for any pending updates that are
@@ -279,8 +291,7 @@ void fs_read(off_t pos, int size, void *data)
     CHANGE *walk;
     int got;
 
-#if 1 // TMN
-
+#ifdef __REACTOS__
 	const size_t readsize_aligned = (size % 512) ? (size + (512 - (size % 512))) : size;
  	const off_t seekpos_aligned = pos - (pos % 512);
  	const size_t seek_delta = (size_t)(pos - seekpos_aligned);
@@ -295,18 +306,14 @@ void fs_read(off_t pos, int size, void *data)
 	assert(seek_delta + size <= readsize);
 	memcpy(data, tmpBuf+seek_delta, size);
 	free(tmpBuf);
-
-#else // TMN:
-
+#else
     if (lseek(fd, pos, 0) != pos)
-	pdie("Seek to %lld", pos);
+	pdie("Seek to %lld", (long long)pos);
     if ((got = read(fd, data, size)) < 0)
-	pdie("Read %d bytes at %lld", size, pos);
-
-#endif // TMN:
-
+	pdie("Read %d bytes at %lld", size, (long long)pos);
+#endif
     if (got != size)
-	die("Got %d bytes instead of %d at %lld", got, size, pos);
+	die("Got %d bytes instead of %d at %lld", got, size, (long long)pos);
     for (walk = changes; walk; walk = walk->next) {
 	if (walk->pos < pos + size && walk->pos + walk->size > pos) {
 	    if (walk->pos < pos)
@@ -319,43 +326,36 @@ void fs_read(off_t pos, int size, void *data)
     }
 }
 
-
 int fs_test(off_t pos, int size)
 {
     void *scratch;
     int okay;
 
-#if 1 // TMN
-
+#ifdef __REACTOS__
 	const size_t readsize_aligned = (size % 512) ? (size + (512 - (size % 512))) : size;    
   // TMN:
 	const off_t seekpos_aligned = pos - (pos % 512);                   // TMN:
     scratch = alloc(readsize_aligned);
     if (lseek(fd, seekpos_aligned, 0) != seekpos_aligned) pdie("Seek to
%lld",pos);
     okay = read(fd, scratch, readsize_aligned) == (int)readsize_aligned;
     free(scratch);
-
-#else // TMN:
-
+#else
     if (lseek(fd, pos, 0) != pos)
-	pdie("Seek to %lld", pos);
+	pdie("Seek to %lld", (long long)pos);
     scratch = alloc(size);
     okay = read(fd, scratch, size) == size;
     free(scratch);
-
-#endif // TMN:
+#endif
     return okay;
 }
 
-
 void fs_write(off_t pos, int size, void *data)
 {
     CHANGE *new;
     int did;
 
+#ifdef __REACTOS__
     assert(interactive || rw);
 
-#if 1 //SAE
-
     if (FsCheckFlags & FSCHECK_IMMEDIATE_WRITE) {
         void *scratch;
         const size_t readsize_aligned = (size % 512) ? (size + (512 - (size % 512))) :
size;
@@ -390,22 +390,18 @@ void fs_write(off_t pos, int size, void *data)
         if (did < 0) pdie("Write %d bytes at %lld", size, pos);
         die("Wrote %d bytes instead of %d at %lld", did, size, pos);
     }
-
-#else //SAE
-
+#else
     if (write_immed) {
 	did_change = 1;
 	if (lseek(fd, pos, 0) != pos)
-	    pdie("Seek to %lld", pos);
+	    pdie("Seek to %lld", (long long)pos);
 	if ((did = write(fd, data, size)) == size)
 	    return;
 	if (did < 0)
-	    pdie("Write %d bytes at %lld", size, pos);
-	die("Wrote %d bytes instead of %d at %lld", did, size, pos);
+	    pdie("Write %d bytes at %lld", size, (long long)pos);
+	die("Wrote %d bytes instead of %d at %lld", did, size, (long long)pos);
     }
-
-#endif //SAE
-
+#endif
     new = alloc(sizeof(CHANGE));
     new->pos = pos;
     memcpy(new->data = alloc(new->size = size), data, size);
@@ -417,10 +413,9 @@ void fs_write(off_t pos, int size, void *data)
     last = new;
 }
 
-
 static void fs_flush(void)
 {
-#if 1
+#ifdef __REACTOS__
 
     CHANGE *this;
     int old_write_immed = (FsCheckFlags & FSCHECK_IMMEDIATE_WRITE);
@@ -442,7 +437,6 @@ static void fs_flush(void)
     if (!old_write_immed) FsCheckFlags ^= FSCHECK_IMMEDIATE_WRITE;
 
 #else
-
     CHANGE *this;
     int size;
 
@@ -450,26 +444,18 @@ static void fs_flush(void)
 	this = changes;
 	changes = changes->next;
 	if (lseek(fd, this->pos, 0) != this->pos)
-    {
-	    // printf("Seek to %lld failed: %s\n  Did not write %d bytes.\n",
-		    // (long long)this->pos, strerror(errno), this->size);
-	    printf("Seek to %lld failed\n  Did not write %d bytes.\n",
-		    (long long)this->pos, this->size);
-    }
+	    fprintf(stderr,
+		    "Seek to %lld failed: %s\n  Did not write %d bytes.\n",
+		    (long long)this->pos, strerror(errno), this->size);
 	else if ((size = write(fd, this->data, this->size)) < 0)
-    {
-	    // printf("Writing %d bytes at %lld failed: %s\n", this->size,
-		    // (long long)this->pos, strerror(errno));
-	    printf("Writing %d bytes at %lld failed\n",
-		    this->size, (long long)this->pos);
-    }
+	    fprintf(stderr, "Writing %d bytes at %lld failed: %s\n", this->size,
+		    (long long)this->pos, strerror(errno));
 	else if (size != this->size)
-	    printf("Wrote %d bytes instead of %d bytes at %lld.\n",
-		    size, this->size, (long long)this->pos);
+	    fprintf(stderr, "Wrote %d bytes instead of %d bytes at %lld."
+		    "\n", size, this->size, (long long)this->pos);
 	free(this->data);
 	free(this);
     }
-
 #endif
 }
 
@@ -478,7 +464,7 @@ int fs_close(int write)
     CHANGE *next;
     int changed;
 
-    changed = !!changes;
+    changed = ! !changes;
     if (write)
 	fs_flush();
     else
@@ -495,5 +481,5 @@ int fs_close(int write)
 
 int fs_changed(void)
 {
-    return !!changes || did_change;
+    return ! !changes || did_change;
 }
diff --git a/sdk/lib/fslib/vfatlib/check/io.h b/sdk/lib/fslib/vfatlib/check/io.h
index 23c6fd6a71..ce14766ee9 100644
--- a/sdk/lib/fslib/vfatlib/check/io.h
+++ b/sdk/lib/fslib/vfatlib/check/io.h
@@ -1,7 +1,3 @@
-/****
- ** Platform-dependent file
- ****/
-
 /* io.h - Virtual disk input/output
 
    Copyright (C) 1993 Werner Almesberger &lt;werner.almesberger(a)lrc.di.epfl.ch&gt;
@@ -31,17 +27,24 @@
 #ifndef _IO_H
 #define _IO_H
 
-//#include <sys/types.h> /* for loff_t */
-// #include <fcntl.h>		/* for off_t */
+#ifndef __REACTOS__
+#include <fcntl.h>		/* for off_t */
+#endif
 
+#ifndef __REACTOS__
+void fs_open(char *path, int rw);
+#else
 NTSTATUS fs_open(PUNICODE_STRING DriveRoot, int read_write);
+#endif
 
-/* Opens the file system PATH. If RW is zero, the file system is opened
+/* Opens the filesystem PATH. If RW is zero, the filesystem is opened
    read-only, otherwise, it is opened read-write. */
 
+#ifdef __REACTOS__
 BOOLEAN fs_isdirty(void);
 
 /* Checks if filesystem is dirty */
+#endif
 
 void fs_read(off_t pos, int size, void *data);
 
@@ -69,6 +72,7 @@ int fs_changed(void);
 
 /* Determines whether the filesystem has changed. See fs_close. */
 
+#ifdef __REACTOS__
 NTSTATUS fs_lock(BOOLEAN LockVolume);
 
 /* Lock or unlocks the volume */
@@ -76,5 +80,5 @@ NTSTATUS fs_lock(BOOLEAN LockVolume);
 void fs_dismount(void);
 
 /* Dismounts the volume */
-
+#endif
 #endif
diff --git a/sdk/lib/fslib/vfatlib/check/lfn.c b/sdk/lib/fslib/vfatlib/check/lfn.c
index de78e743e9..a30ed57919 100644
--- a/sdk/lib/fslib/vfatlib/check/lfn.c
+++ b/sdk/lib/fslib/vfatlib/check/lfn.c
@@ -26,7 +26,6 @@
 #define NDEBUG
 #include <debug.h>
 
-
 typedef struct {
     uint8_t id;			/* sequence number for slot */
     uint8_t name0_4[10];	/* first 5 characters in name */
@@ -67,16 +66,13 @@ static unsigned char fat_uni2esc[64] = {
 /* for maxlen param */
 #define UNTIL_0		INT_MAX
 
-static void copy_lfn_part(unsigned char *dst, LFN_ENT * lfn);
-static char *cnv_unicode(const unsigned char *uni, int maxlen, int use_q);
-
 /* Convert name part in 'lfn' from unicode to ASCII */
-static __inline char* CNV_THIS_PART(LFN_ENT * lfn)
-{
-    unsigned char __part_uni[CHARS_PER_LFN*2];
-    copy_lfn_part(__part_uni, lfn);
-    return cnv_unicode(__part_uni, CHARS_PER_LFN, 0);
-}
+#define CNV_THIS_PART(lfn)				\
+    ({							\
+	unsigned char __part_uni[CHARS_PER_LFN*2];		\
+	copy_lfn_part( __part_uni, lfn );		\
+	cnv_unicode( __part_uni, CHARS_PER_LFN, 0 );	\
+    })
 
 /* Convert name parts collected so far (from previous slots) from unicode to
  * ASCII */
@@ -309,7 +305,8 @@ void lfn_add_slot(DIR_ENT * de, off_t dir_offset)
 	    can_fix = 1;
 	}
 	if (interactive) {
-	    printf("1: Delete LFN\n2: Leave it as it is (and ignore LFN so far)\n");
+	    printf
+		("1: Delete LFN\n2: Leave it as it is (and ignore LFN so far)\n");
 	    if (can_fix)
 		printf("3: Correct sequence number\n");
 	} else
diff --git a/sdk/lib/fslib/vfatlib/check/msdos_fs.h
b/sdk/lib/fslib/vfatlib/check/msdos_fs.h
index 794cb0491a..a6bc8bb972 100644
--- a/sdk/lib/fslib/vfatlib/check/msdos_fs.h
+++ b/sdk/lib/fslib/vfatlib/check/msdos_fs.h
@@ -20,6 +20,10 @@
 #ifndef _MSDOS_FS_H
 #define _MSDOS_FS_H
 
+#ifndef __REACTOS__
+#include <stdint.h>
+#endif
+
 #define SECTOR_SIZE 512		/* sector size (bytes) */
 #define MSDOS_DPS (SECTOR_SIZE / sizeof(struct msdos_dir_entry))
 #define MSDOS_DPS_BITS 4	/* log2(MSDOS_DPS) */
@@ -43,7 +47,9 @@
 #define MSDOS_DOT ".          "		/* ".", padded to MSDOS_NAME chars
*/
 #define MSDOS_DOTDOT "..         "	/* "..", padded to MSDOS_NAME
chars */
 
+#ifdef __REACTOS__
 #include <pshpack1.h>
+#endif
 
 struct msdos_dir_entry {
     uint8_t name[MSDOS_NAME];	/* name including extension */
@@ -58,6 +64,8 @@ struct msdos_dir_entry {
     uint32_t size;		/* file size (in bytes) */
 } __attribute__ ((packed));
 
+#ifdef __REACTOS__
 #include <poppack.h>
+#endif
 
 #endif /* _MSDOS_FS_H */