[hbelusca] 70433: [VFATLIB] - Gather common code in one file instead of duplicating it everywhere. - Implement full format for FAT12 and FAT16 (using the same function Fat1216WipeSectors), based on...
27 Dec
2015
27 Dec
'15
12:57 a.m.
Author: hbelusca
Date: Sun Dec 27 00:57:51 2015
New Revision: 70433
URL: http://svn.reactos.org/svn/reactos?rev=70433&view=rev
Log:
[VFATLIB]
- Gather common code in one file instead of duplicating it everywhere.
- Implement full format for FAT12 and FAT16 (using the same function Fat1216WipeSectors),
based on similar code for FAT32 implemented by Eric Kohl in revision 63693.
Added:
trunk/reactos/lib/fslib/vfatlib/common.c (with props)
trunk/reactos/lib/fslib/vfatlib/common.h (with props)
Modified:
trunk/reactos/lib/fslib/vfatlib/CMakeLists.txt
trunk/reactos/lib/fslib/vfatlib/fat12.c
trunk/reactos/lib/fslib/vfatlib/fat16.c
trunk/reactos/lib/fslib/vfatlib/fat32.c
trunk/reactos/lib/fslib/vfatlib/vfatlib.c
trunk/reactos/lib/fslib/vfatlib/vfatlib.h
Modified: trunk/reactos/lib/fslib/vfatlib/CMakeLists.txt
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/fslib/vfatlib/CMakeLis…
==============================================================================
--- trunk/reactos/lib/fslib/vfatlib/CMakeLists.txt [iso-8859-1] (original)
+++ trunk/reactos/lib/fslib/vfatlib/CMakeLists.txt [iso-8859-1] Sun Dec 27 00:57:51 2015
@@ -7,6 +7,7 @@
check/file.c
check/io.c
check/lfn.c
+ common.c
fat12.c
fat16.c
fat32.c
Added: trunk/reactos/lib/fslib/vfatlib/common.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/fslib/vfatlib/common.c…
==============================================================================
--- trunk/reactos/lib/fslib/vfatlib/common.c (added)
+++ trunk/reactos/lib/fslib/vfatlib/common.c [iso-8859-1] Sun Dec 27 00:57:51 2015
@@ -0,0 +1,136 @@
+/*
+ * COPYRIGHT: See COPYING in the top level directory
+ * PROJECT: ReactOS VFAT filesystem library
+ * FILE: lib\fslib\vfatlib\common.c
+ * PURPOSE: Common code for Fat support
+ * PROGRAMMERS: Casper S. Hornstrup (chorns(a)users.sourceforge.net)
+ * Eric Kohl
+ */
+
+/* INCLUDES *******************************************************************/
+
+#include "vfatlib.h"
+
+#define NDEBUG
+#include <debug.h>
+
+/* FUNCTIONS ******************************************************************/
+
+ULONG
+GetShiftCount(IN ULONG Value)
+{
+ ULONG i = 1;
+
+ while (Value > 0)
+ {
+ i++;
+ Value /= 2;
+ }
+
+ return i - 2;
+}
+
+ULONG
+CalcVolumeSerialNumber(VOID)
+{
+ LARGE_INTEGER SystemTime;
+ TIME_FIELDS TimeFields;
+ ULONG Serial;
+ PUCHAR Buffer;
+
+ NtQuerySystemTime(&SystemTime);
+ RtlTimeToTimeFields(&SystemTime, &TimeFields);
+
+ Buffer = (PUCHAR)&Serial;
+ Buffer[0] = (UCHAR)(TimeFields.Year & 0xFF) + (UCHAR)(TimeFields.Hour &
0xFF);
+ Buffer[1] = (UCHAR)(TimeFields.Year >> 8) + (UCHAR)(TimeFields.Minute &
0xFF);
+ Buffer[2] = (UCHAR)(TimeFields.Month & 0xFF) + (UCHAR)(TimeFields.Second &
0xFF);
+ Buffer[3] = (UCHAR)(TimeFields.Day & 0xFF) + (UCHAR)(TimeFields.Milliseconds
& 0xFF);
+
+ return Serial;
+}
+
+/***** Wipe function for FAT12 and FAT16 formats, adapted from FAT32 code *****/
+NTSTATUS
+Fat1216WipeSectors(
+ IN HANDLE FileHandle,
+ IN PFAT16_BOOT_SECTOR BootSector,
+ IN OUT PFORMAT_CONTEXT Context)
+{
+ IO_STATUS_BLOCK IoStatusBlock;
+ PUCHAR Buffer;
+ LARGE_INTEGER FileOffset;
+ ULONGLONG Sector;
+ ULONG SectorsHuge;
+ ULONG Length;
+ NTSTATUS Status;
+
+ /* Allocate buffer for the cluster */
+ Buffer = (PUCHAR)RtlAllocateHeap(RtlGetProcessHeap(),
+ HEAP_ZERO_MEMORY,
+ BootSector->SectorsPerCluster *
BootSector->BytesPerSector);
+ if (Buffer == NULL)
+ return STATUS_INSUFFICIENT_RESOURCES;
+
+ Sector = 0;
+ Length = BootSector->SectorsPerCluster * BootSector->BytesPerSector;
+
+ SectorsHuge = (BootSector->SectorsHuge != 0 ? BootSector->SectorsHuge :
BootSector->Sectors);
+
+ while (Sector + BootSector->SectorsPerCluster < SectorsHuge)
+ {
+ FileOffset.QuadPart = Sector * BootSector->BytesPerSector;
+
+ Status = NtWriteFile(FileHandle,
+ NULL,
+ NULL,
+ NULL,
+ &IoStatusBlock,
+ Buffer,
+ Length,
+ &FileOffset,
+ NULL);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("NtWriteFile() failed (Status %lx)\n", Status);
+ goto done;
+ }
+
+ UpdateProgress(Context, (ULONG)BootSector->SectorsPerCluster);
+
+ Sector += BootSector->SectorsPerCluster;
+ }
+
+ if (Sector + BootSector->SectorsPerCluster > SectorsHuge)
+ {
+ DPRINT("Remaining sectors %lu\n", SectorsHuge - Sector);
+
+ FileOffset.QuadPart = Sector * BootSector->BytesPerSector;
+ Length = (SectorsHuge - Sector) * BootSector->BytesPerSector;
+
+ Status = NtWriteFile(FileHandle,
+ NULL,
+ NULL,
+ NULL,
+ &IoStatusBlock,
+ Buffer,
+ Length,
+ &FileOffset,
+ NULL);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("NtWriteFile() failed (Status %lx)\n", Status);
+ goto done;
+ }
+
+ UpdateProgress(Context, SectorsHuge - Sector);
+ }
+
+done:
+ /* Free the buffer */
+ RtlFreeHeap(RtlGetProcessHeap(), 0, Buffer);
+
+ return Status;
+}
+
+/* EOF */
Propchange: trunk/reactos/lib/fslib/vfatlib/common.c
------------------------------------------------------------------------------
svn:eol-style = native
Added: trunk/reactos/lib/fslib/vfatlib/common.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/fslib/vfatlib/common.h…
==============================================================================
--- trunk/reactos/lib/fslib/vfatlib/common.h (added)
+++ trunk/reactos/lib/fslib/vfatlib/common.h [iso-8859-1] Sun Dec 27 00:57:51 2015
@@ -0,0 +1,24 @@
+/*
+ * COPYRIGHT: See COPYING in the top level directory
+ * PROJECT: ReactOS VFAT filesystem library
+ * FILE: lib\fslib\vfatlib\common.h
+ * PURPOSE: Common code for Fat support
+ * PROGRAMMERS: Casper S. Hornstrup (chorns(a)users.sourceforge.net)
+ * Eric Kohl
+ */
+
+#ifndef _VFATCOMMON_H_
+#define _VFATCOMMON_H_
+
+ULONG GetShiftCount(IN ULONG Value);
+ULONG CalcVolumeSerialNumber(VOID);
+
+NTSTATUS
+Fat1216WipeSectors(
+ IN HANDLE FileHandle,
+ IN PFAT16_BOOT_SECTOR BootSector,
+ IN OUT PFORMAT_CONTEXT Context);
+
+#endif /* _VFATCOMMON_H_ */
+
+/* EOF */
Propchange: trunk/reactos/lib/fslib/vfatlib/common.h
------------------------------------------------------------------------------
svn:eol-style = native
Modified: trunk/reactos/lib/fslib/vfatlib/fat12.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/fslib/vfatlib/fat12.c?…
==============================================================================
--- trunk/reactos/lib/fslib/vfatlib/fat12.c [iso-8859-1] (original)
+++ trunk/reactos/lib/fslib/vfatlib/fat12.c [iso-8859-1] Sun Dec 27 00:57:51 2015
@@ -5,49 +5,17 @@
* PURPOSE: Fat12 support
* PROGRAMMERS: Casper S. Hornstrup (chorns(a)users.sourceforge.net)
* Eric Kohl
- * REVISIONS:
- * EK 05/04-2003 Created
*/
+
+/* INCLUDES *******************************************************************/
+
#include "vfatlib.h"
#define NDEBUG
#include <debug.h>
-static ULONG
-GetShiftCount(IN ULONG Value)
-{
- ULONG i = 1;
-
- while (Value > 0)
- {
- i++;
- Value /= 2;
- }
-
- return i - 2;
-}
-
-
-static ULONG
-CalcVolumeSerialNumber(VOID)
-{
- LARGE_INTEGER SystemTime;
- TIME_FIELDS TimeFields;
- ULONG Serial;
- PUCHAR Buffer;
-
- NtQuerySystemTime(&SystemTime);
- RtlTimeToTimeFields(&SystemTime, &TimeFields);
-
- Buffer = (PUCHAR)&Serial;
- Buffer[0] = (UCHAR)(TimeFields.Year & 0xFF) + (UCHAR)(TimeFields.Hour &
0xFF);
- Buffer[1] = (UCHAR)(TimeFields.Year >> 8) + (UCHAR)(TimeFields.Minute &
0xFF);
- Buffer[2] = (UCHAR)(TimeFields.Month & 0xFF) + (UCHAR)(TimeFields.Second &
0xFF);
- Buffer[3] = (UCHAR)(TimeFields.Day & 0xFF) + (UCHAR)(TimeFields.Milliseconds
& 0xFF);
-
- return Serial;
-}
-
+
+/* FUNCTIONS ******************************************************************/
static NTSTATUS
Fat12WriteBootSector(IN HANDLE FileHandle,
@@ -323,7 +291,7 @@
BootSector.Heads = DiskGeometry->TracksPerCylinder;
BootSector.HiddenSectors = PartitionInfo->HiddenSectors;
BootSector.SectorsHuge = (SectorCount >= 0x10000) ? (unsigned long)SectorCount :
0;
- BootSector.Drive = DiskGeometry->MediaType == FixedMedia ? 0x80 : 0x00;
+ BootSector.Drive = (DiskGeometry->MediaType == FixedMedia) ? 0x80 : 0x00;
BootSector.ExtBootSignature = 0x29;
BootSector.VolumeID = CalcVolumeSerialNumber();
if ((Label == NULL) || (Label->Buffer == NULL))
@@ -357,6 +325,20 @@
Context->TotalSectorCount =
1 + (BootSector.FATSectors * 2) + RootDirSectors;
+ if (!QuickFormat)
+ {
+ Context->TotalSectorCount += SectorCount;
+
+ Status = Fat1216WipeSectors(FileHandle,
+ &BootSector,
+ Context);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("Fat12WipeSectors() failed with status 0x%.08x\n", Status);
+ return Status;
+ }
+ }
+
Status = Fat12WriteBootSector(FileHandle,
&BootSector,
Context);
@@ -396,10 +378,5 @@
DPRINT("Fat12WriteRootDirectory() failed with status 0x%.08x\n",
Status);
}
- if (!QuickFormat)
- {
- /* FIXME: Fill remaining sectors */
- }
-
return Status;
}
Modified: trunk/reactos/lib/fslib/vfatlib/fat16.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/fslib/vfatlib/fat16.c?…
==============================================================================
--- trunk/reactos/lib/fslib/vfatlib/fat16.c [iso-8859-1] (original)
+++ trunk/reactos/lib/fslib/vfatlib/fat16.c [iso-8859-1] Sun Dec 27 00:57:51 2015
@@ -5,49 +5,17 @@
* PURPOSE: Fat16 support
* PROGRAMMERS: Casper S. Hornstrup (chorns(a)users.sourceforge.net)
* Eric Kohl
- * REVISIONS:
- * EK 05/04-2003 Created
*/
+
+/* INCLUDES *******************************************************************/
+
#include "vfatlib.h"
#define NDEBUG
#include <debug.h>
-static ULONG
-GetShiftCount(IN ULONG Value)
-{
- ULONG i = 1;
-
- while (Value > 0)
- {
- i++;
- Value /= 2;
- }
-
- return i - 2;
-}
-
-
-static ULONG
-CalcVolumeSerialNumber(VOID)
-{
- LARGE_INTEGER SystemTime;
- TIME_FIELDS TimeFields;
- ULONG Serial;
- PUCHAR Buffer;
-
- NtQuerySystemTime (&SystemTime);
- RtlTimeToTimeFields (&SystemTime, &TimeFields);
-
- Buffer = (PUCHAR)&Serial;
- Buffer[0] = (UCHAR)(TimeFields.Year & 0xFF) + (UCHAR)(TimeFields.Hour &
0xFF);
- Buffer[1] = (UCHAR)(TimeFields.Year >> 8) + (UCHAR)(TimeFields.Minute &
0xFF);
- Buffer[2] = (UCHAR)(TimeFields.Month & 0xFF) + (UCHAR)(TimeFields.Second &
0xFF);
- Buffer[3] = (UCHAR)(TimeFields.Day & 0xFF) + (UCHAR)(TimeFields.Milliseconds
& 0xFF);
-
- return Serial;
-}
-
+
+/* FUNCTIONS ******************************************************************/
static NTSTATUS
Fat16WriteBootSector(IN HANDLE FileHandle,
@@ -330,7 +298,7 @@
BootSector.Heads = DiskGeometry->TracksPerCylinder;
BootSector.HiddenSectors = PartitionInfo->HiddenSectors;
BootSector.SectorsHuge = (SectorCount >= 0x10000) ? (unsigned long)SectorCount :
0;
- BootSector.Drive = DiskGeometry->MediaType == FixedMedia ? 0x80 : 0x00;
+ BootSector.Drive = (DiskGeometry->MediaType == FixedMedia) ? 0x80 : 0x00;
BootSector.ExtBootSignature = 0x29;
BootSector.VolumeID = CalcVolumeSerialNumber();
if ((Label == NULL) || (Label->Buffer == NULL))
@@ -365,6 +333,20 @@
Context->TotalSectorCount =
1 + (BootSector.FATSectors * 2) + RootDirSectors;
+ if (!QuickFormat)
+ {
+ Context->TotalSectorCount += SectorCount;
+
+ Status = Fat1216WipeSectors(FileHandle,
+ &BootSector,
+ Context);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("Fat16WipeSectors() failed with status 0x%.08x\n", Status);
+ return Status;
+ }
+ }
+
Status = Fat16WriteBootSector(FileHandle,
&BootSector,
Context);
@@ -404,10 +386,5 @@
DPRINT("Fat16WriteRootDirectory() failed with status 0x%.08x\n",
Status);
}
- if (!QuickFormat)
- {
- /* FIXME: Fill remaining sectors */
- }
-
return Status;
}
Modified: trunk/reactos/lib/fslib/vfatlib/fat32.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/fslib/vfatlib/fat32.c?…
==============================================================================
--- trunk/reactos/lib/fslib/vfatlib/fat32.c [iso-8859-1] (original)
+++ trunk/reactos/lib/fslib/vfatlib/fat32.c [iso-8859-1] Sun Dec 27 00:57:51 2015
@@ -5,49 +5,17 @@
* PURPOSE: Fat32 support
* PROGRAMMERS: Casper S. Hornstrup (chorns(a)users.sourceforge.net)
* Eric Kohl
- * REVISIONS:
- * EK 05/04-2003 Created
*/
+
+/* INCLUDES *******************************************************************/
+
#include "vfatlib.h"
#define NDEBUG
#include <debug.h>
-static ULONG
-GetShiftCount(IN ULONG Value)
-{
- ULONG i = 1;
-
- while (Value > 0)
- {
- i++;
- Value /= 2;
- }
-
- return i - 2;
-}
-
-
-static ULONG
-CalcVolumeSerialNumber(VOID)
-{
- LARGE_INTEGER SystemTime;
- TIME_FIELDS TimeFields;
- ULONG Serial;
- PUCHAR Buffer;
-
- NtQuerySystemTime (&SystemTime);
- RtlTimeToTimeFields (&SystemTime, &TimeFields);
-
- Buffer = (PUCHAR)&Serial;
- Buffer[0] = (UCHAR)(TimeFields.Year & 0xFF) + (UCHAR)(TimeFields.Hour &
0xFF);
- Buffer[1] = (UCHAR)(TimeFields.Year >> 8) + (UCHAR)(TimeFields.Minute &
0xFF);
- Buffer[2] = (UCHAR)(TimeFields.Month & 0xFF) + (UCHAR)(TimeFields.Second &
0xFF);
- Buffer[3] = (UCHAR)(TimeFields.Day & 0xFF) + (UCHAR)(TimeFields.Milliseconds
& 0xFF);
-
- return Serial;
-}
-
+
+/* FUNCTIONS ******************************************************************/
static NTSTATUS
Fat32WriteBootSector(IN HANDLE FileHandle,
@@ -490,7 +458,7 @@
BootSector.BootBackup = 6;
BootSector.Drive = (DiskGeometry->MediaType == FixedMedia) ? 0x80 : 0x00;
BootSector.ExtBootSignature = 0x29;
- BootSector.VolumeID = CalcVolumeSerialNumber ();
+ BootSector.VolumeID = CalcVolumeSerialNumber();
if ((Label == NULL) || (Label->Buffer == NULL))
{
memcpy(&BootSector.VolumeLabel[0], "NO NAME ", 11);
Modified: trunk/reactos/lib/fslib/vfatlib/vfatlib.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/fslib/vfatlib/vfatlib.…
==============================================================================
--- trunk/reactos/lib/fslib/vfatlib/vfatlib.c [iso-8859-1] (original)
+++ trunk/reactos/lib/fslib/vfatlib/vfatlib.c [iso-8859-1] Sun Dec 27 00:57:51 2015
@@ -4,13 +4,17 @@
* FILE: lib\fslib\vfatlib\vfatlib.c
* PURPOSE: Main API
* PROGRAMMERS: Casper S. Hornstrup (chorns(a)users.sourceforge.net)
- * REVISIONS:
- * CSH 05/04-2003 Created
*/
+
+/* INCLUDES *******************************************************************/
+
#include "vfatlib.h"
#define NDEBUG
#include <debug.h>
+
+
+/* GLOBALS & FUNCTIONS ********************************************************/
PFMIFSCALLBACK ChkdskCallback = NULL;
PVOID FsCheckMemQueue;
@@ -282,7 +286,7 @@
if (Callback != NULL)
{
Context.Success = (BOOLEAN)(NT_SUCCESS(Status));
- Callback (DONE, 0, (PVOID)&Context.Success);
+ Callback(DONE, 0, (PVOID)&Context.Success);
}
DPRINT("VfatFormat() done. Status 0x%.08x\n", Status);
@@ -307,7 +311,7 @@
Context->Percent = NewPercent;
if (Context->Callback != NULL)
{
- Context->Callback (PROGRESS, 0, &Context->Percent);
+ Context->Callback(PROGRESS, 0, &Context->Percent);
}
}
}
Modified: trunk/reactos/lib/fslib/vfatlib/vfatlib.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/fslib/vfatlib/vfatlib.…
==============================================================================
--- trunk/reactos/lib/fslib/vfatlib/vfatlib.h [iso-8859-1] (original)
+++ trunk/reactos/lib/fslib/vfatlib/vfatlib.h [iso-8859-1] Sun Dec 27 00:57:51 2015
@@ -57,7 +57,6 @@
unsigned long Signature1; // 508
} FAT16_BOOT_SECTOR, *PFAT16_BOOT_SECTOR;
-
typedef struct _FAT32_BOOT_SECTOR
{
unsigned char magic0; // 0
@@ -114,6 +113,8 @@
ULONG Percent;
} FORMAT_CONTEXT, *PFORMAT_CONTEXT;
+#include "common.h"
+
NTSTATUS
Fat12Format(HANDLE FileHandle,
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