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The used FAT-type (FAT12/FAT16/FAT32) depends on the volume size, not on the partition type.

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svn path=/trunk/; revision=5956
This commit is contained in:
Eric Kohl 2003-09-01 13:15:42 +00:00
parent f61bbf368c
commit 3882add234
1 changed files with 60 additions and 50 deletions
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110
reactos/lib/fslib/vfatlib/vfatlib.c
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@ -42,7 +42,7 @@ VfatFormat(
PARTITION_INFORMATION PartitionInfo;
NTSTATUS Status;
DPRINT("VfatFormat(DriveRoot '%S')\n", DriveRoot->Buffer);
DPRINT("VfatFormat(DriveRoot '%wZ')\n", DriveRoot);
InitializeObjectAttributes(&ObjectAttributes,
DriveRoot,
@ -81,10 +81,10 @@ VfatFormat(
if (DiskGeometry.MediaType == FixedMedia)
{
DPRINT("Cylinders %d\n", DiskGeometry.Cylinders.QuadPart);
DPRINT("TracksPerCylinder %d\n", DiskGeometry.TracksPerCylinder);
DPRINT("SectorsPerTrack %d\n", DiskGeometry.SectorsPerTrack);
DPRINT("BytesPerSector %d\n", DiskGeometry.BytesPerSector);
DPRINT("Cylinders %I64d\n", DiskGeometry.Cylinders.QuadPart);
DPRINT("TracksPerCylinder %ld\n", DiskGeometry.TracksPerCylinder);
DPRINT("SectorsPerTrack %ld\n", DiskGeometry.SectorsPerTrack);
DPRINT("BytesPerSector %ld\n", DiskGeometry.BytesPerSector);
DPRINT("DiskSize %I64d\n",
DiskGeometry.Cylinders.QuadPart *
(ULONGLONG)DiskGeometry.TracksPerCylinder *
@ -107,54 +107,64 @@ VfatFormat(
NtClose(FileHandle);
return Status;
}
DPRINT("PartitionType 0x%x\n", PartitionInfo.PartitionType);
DPRINT("StartingOffset %I64d\n", PartitionInfo.StartingOffset);
DPRINT("PartitionLength %I64d\n", PartitionInfo.PartitionLength);
DPRINT("HiddenSectors %d\n", PartitionInfo.HiddenSectors);
DPRINT("PartitionNumber %d\n", PartitionInfo.PartitionNumber);
DPRINT("BootIndicator 0x%x\n", PartitionInfo.BootIndicator);
DPRINT("RewritePartition %d\n", PartitionInfo.RewritePartition);
DPRINT("RecognizedPartition %d\n", PartitionInfo.RecognizedPartition);
if (PartitionInfo.PartitionType == PARTITION_FAT32_XINT13 ||
PartitionInfo.PartitionType == PARTITION_FAT32)
{
Status = Fat32Format (FileHandle,
&PartitionInfo,
&DiskGeometry,
Label,
QuickFormat,
ClusterSize,
Callback);
}
else if (PartitionInfo.PartitionType == PARTITION_FAT_12)
{
Status = Fat12Format (FileHandle,
&PartitionInfo,
&DiskGeometry,
Label,
QuickFormat,
ClusterSize,
Callback);
}
else
{
Status = Fat16Format (FileHandle,
&PartitionInfo,
&DiskGeometry,
Label,
QuickFormat,
ClusterSize,
Callback);
}
}
else
{
DPRINT1("FIXME: Removable media is not supported\n");
NtClose(FileHandle);
return STATUS_UNSUCCESSFUL;
PartitionInfo.PartitionType = 0;
PartitionInfo.StartingOffset.QuadPart = 0ULL;
PartitionInfo.PartitionLength.QuadPart =
DiskGeometry.Cylinders.QuadPart *
(ULONGLONG)DiskGeometry.TracksPerCylinder *
(ULONGLONG)DiskGeometry.SectorsPerTrack *
(ULONGLONG)DiskGeometry.BytesPerSector;
PartitionInfo.HiddenSectors = 0;
PartitionInfo.PartitionNumber = 1;
PartitionInfo.BootIndicator = FALSE;
PartitionInfo.RewritePartition = FALSE;
PartitionInfo.RecognizedPartition = TRUE;
}
DPRINT("PartitionType 0x%x\n", PartitionInfo.PartitionType);
DPRINT("StartingOffset %I64d\n", PartitionInfo.StartingOffset.QuadPart);
DPRINT("PartitionLength %I64d\n", PartitionInfo.PartitionLength.QuadPart);
DPRINT("HiddenSectors %lu\n", PartitionInfo.HiddenSectors);
DPRINT("PartitionNumber %d\n", PartitionInfo.PartitionNumber);
DPRINT("BootIndicator 0x%x\n", PartitionInfo.BootIndicator);
DPRINT("RewritePartition %d\n", PartitionInfo.RewritePartition);
DPRINT("RecognizedPartition %d\n", PartitionInfo.RecognizedPartition);
if (PartitionInfo.PartitionLength.QuadPart < (4200ULL * 1024ULL))
{
/* FAT12 (volume is smaller than 4.1MB) */
Status = Fat12Format (FileHandle,
&PartitionInfo,
&DiskGeometry,
Label,
QuickFormat,
ClusterSize,
Callback);
}
else if (PartitionInfo.PartitionLength.QuadPart < (512ULL * 1024ULL * 1024ULL))
{
/* FAT16 (volume is smaller than 512MB) */
Status = Fat16Format (FileHandle,
&PartitionInfo,
&DiskGeometry,
Label,
QuickFormat,
ClusterSize,
Callback);
}
else
{
/* FAT32 (volume is 512MB or larger) */
Status = Fat32Format (FileHandle,
&PartitionInfo,
&DiskGeometry,
Label,
QuickFormat,
ClusterSize,
Callback);
}
NtClose(FileHandle);