misc.c File Reference

#include "ntifs.h"
#include "ffsdrv.h"

Include dependency graph for misc.c:

Go to the source code of this file.

Functions
ULONG	FFSLog2 (ULONG Value)
LARGE_INTEGER	FFSSysTime (IN ULONG i_time)
ULONG	FFSInodeTime (IN LARGE_INTEGER SysTime)
NTSTATUS	FFSOEMToUnicode (IN OUT PUNICODE_STRING Unicode, IN POEM_STRING Oem)
NTSTATUS	FFSUnicodeToOEM (IN OUT POEM_STRING Oem, IN PUNICODE_STRING Unicode)

Variables
PFFS_GLOBAL	FFSGlobal

Function Documentation

FFSInodeTime()

ULONG FFSInodeTime

(

IN LARGE_INTEGER

SysTime

)

Definition at line 66 of file misc.c.

{
    ULONG   FFSTime;

    PAGED_CODE();

    RtlTimeToSecondsSince1970(&SysTime, &FFSTime);

    return FFSTime;
}

Referenced by FFSSetInformation(), FFSSupersedeOrOverWriteFile(), and FFSv1SaveInode().

FFSLog2()

ULONG FFSLog2

(

ULONG

Value

)

Definition at line 33 of file misc.c.

{
    ULONG Order = 0;

    PAGED_CODE();

    ASSERT(Value > 0);

    while (Value)
    {
        Order++;
        Value >>= 1;
    }

    return (Order - 1);
}

Referenced by FFSMountVolume().

FFSOEMToUnicode()

NTSTATUS FFSOEMToUnicode	(	IN OUT PUNICODE_STRING	Unicode,
		IN POEM_STRING	Oem
	)

Definition at line 80 of file misc.c.

{
    NTSTATUS  Status;

    PAGED_CODE();

    Status = RtlOemStringToUnicodeString(
            Unicode, 
            Oem,
            FALSE);

    if (!NT_SUCCESS(Status))
    {
        FFSBreakPoint();
        goto errorout;
    }

errorout:

    return Status;
}

Referenced by FFSInitializeVcb(), FFSQueryDirectory(), FFSv1ScanDir(), and FFSv2ScanDir().

FFSSysTime()

LARGE_INTEGER FFSSysTime

(

IN ULONG

i_time

)

Definition at line 53 of file misc.c.

{
    LARGE_INTEGER SysTime;

    PAGED_CODE();

    RtlSecondsSince1970ToTime(i_time, &SysTime);

    return SysTime;
}

Referenced by FFSFastIoQueryBasicInfo(), FFSFastIoQueryNetworkOpenInfo(), FFSProcessDirEntry(), and FFSQueryInformation().

FFSUnicodeToOEM()

NTSTATUS FFSUnicodeToOEM	(	IN OUT POEM_STRING	Oem,
		IN PUNICODE_STRING	Unicode
	)

Definition at line 106 of file misc.c.

{
    NTSTATUS Status;

    PAGED_CODE();

    Status = RtlUnicodeStringToOemString(
            Oem,
            Unicode,
            FALSE);

    if (!NT_SUCCESS(Status))
    {
        FFSBreakPoint();
        goto errorout;
    }

errorout:

    return Status;
}

Referenced by FFSAddEntry(), FFSSetRenameInfo(), FFSSetVolumeInformation(), FFSv1AllocateFcb(), and FFSv2AllocateFcb().

Variable Documentation

FFSGlobal

PFFS_GLOBAL FFSGlobal

Definition at line 22 of file init.c.