imports.h File Reference

#include <ntddk.h>
#include <ntdddisk.h>
#include <ntverp.h>

Include dependency graph for imports.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes
struct	_MOUNTDEV_UNIQUE_ID
struct	_MOUNTDEV_NAME
struct	_MOUNTDEV_SUGGESTED_LINK_NAME
struct	_MOUNTMGR_TARGET_NAME
struct	_MOUNTMGR_CREATE_POINT_INPUT
struct	_MOUNTMGR_MOUNT_POINT
struct	_MOUNTMGR_MOUNT_POINTS
struct	_PARTITION_INFORMATION_MBR
struct	_PARTITION_INFORMATION_GPT
struct	_PARTITION_INFORMATION_EX
struct	_GET_LENGTH_INFORMATION
struct	_STORAGE_HOTPLUG_INFO
struct	_MOUNTDEV_STABLE_GUID
struct	_TOKEN_SOURCE
struct	_TOKEN_CONTROL
struct	_SECURITY_CLIENT_CONTEXT

Macros
#define	FILE_ATTRIBUTE_ENCRYPTED   0x00004000
#define	FILE_DEVICE_MASS_STORAGE   0x0000002d
#define	IOCTL_STORAGE_CHECK_VERIFY2
#define	MOUNTMGR_DEVICE_NAME   L"\\Device\\MountPointManager"
#define	MOUNTMGRCONTROLTYPE   ((ULONG) 'm')
#define	MOUNTDEVCONTROLTYPE   ((ULONG) 'M')
#define	IOCTL_MOUNTDEV_QUERY_UNIQUE_ID
#define	IOCTL_MOUNTDEV_UNIQUE_ID_CHANGE_NOTIFY
#define	IOCTL_MOUNTDEV_QUERY_DEVICE_NAME
#define	IOCTL_MOUNTDEV_QUERY_SUGGESTED_LINK_NAME
#define	IOCTL_MOUNTDEV_LINK_CREATED
#define	IOCTL_MOUNTDEV_LINK_DELETED
#define	IOCTL_MOUNTMGR_CREATE_POINT
#define	IOCTL_MOUNTMGR_DELETE_POINTS
#define	IOCTL_MOUNTMGR_VOLUME_ARRIVAL_NOTIFICATION
#define	IOCTL_DISK_GET_PARTITION_INFO_EX
#define	IOCTL_DISK_GET_LENGTH_INFO
#define	IOCTL_STORAGE_GET_HOTPLUG_INFO
#define	IOCTL_MOUNTDEV_QUERY_STABLE_GUID
#define	TOKEN_SOURCE_LENGTH   8
#define	PsDereferenceImpersonationToken(T)    if (ARGUMENT_PRESENT(T)) (ObDereferenceObject((T)))
#define	PsDereferencePrimaryToken(T)   (ObDereferenceObject((T)))
#define	SeDeleteClientSecurity(C)

Typedefs
typedef enum _MM_PAGE_PRIORITY	MM_PAGE_PRIORITY
typedef struct _MOUNTDEV_UNIQUE_ID	MOUNTDEV_UNIQUE_ID
typedef struct _MOUNTDEV_UNIQUE_ID *	PMOUNTDEV_UNIQUE_ID
typedef struct _MOUNTDEV_NAME	MOUNTDEV_NAME
typedef struct _MOUNTDEV_NAME *	PMOUNTDEV_NAME
typedef struct _MOUNTDEV_SUGGESTED_LINK_NAME	MOUNTDEV_SUGGESTED_LINK_NAME
typedef struct _MOUNTDEV_SUGGESTED_LINK_NAME *	PMOUNTDEV_SUGGESTED_LINK_NAME
typedef struct _MOUNTMGR_TARGET_NAME	MOUNTMGR_TARGET_NAME
typedef struct _MOUNTMGR_TARGET_NAME *	PMOUNTMGR_TARGET_NAME
typedef struct _MOUNTMGR_CREATE_POINT_INPUT	MOUNTMGR_CREATE_POINT_INPUT
typedef struct _MOUNTMGR_CREATE_POINT_INPUT *	PMOUNTMGR_CREATE_POINT_INPUT
typedef struct _MOUNTMGR_MOUNT_POINT	MOUNTMGR_MOUNT_POINT
typedef struct _MOUNTMGR_MOUNT_POINT *	PMOUNTMGR_MOUNT_POINT
typedef struct _MOUNTMGR_MOUNT_POINTS	MOUNTMGR_MOUNT_POINTS
typedef struct _MOUNTMGR_MOUNT_POINTS *	PMOUNTMGR_MOUNT_POINTS
typedef unsigned __int64	ULONG64
typedef unsigned __int64 *	PULONG64
typedef enum _PARTITION_STYLE	PARTITION_STYLE
typedef struct _PARTITION_INFORMATION_MBR	PARTITION_INFORMATION_MBR
typedef struct _PARTITION_INFORMATION_MBR *	PPARTITION_INFORMATION_MBR
typedef struct _PARTITION_INFORMATION_GPT	PARTITION_INFORMATION_GPT
typedef struct _PARTITION_INFORMATION_GPT *	PPARTITION_INFORMATION_GPT
typedef struct _PARTITION_INFORMATION_EX	PARTITION_INFORMATION_EX
typedef struct _PARTITION_INFORMATION_EX *	PPARTITION_INFORMATION_EX
typedef struct _GET_LENGTH_INFORMATION	GET_LENGTH_INFORMATION
typedef struct _GET_LENGTH_INFORMATION *	PGET_LENGTH_INFORMATION
typedef struct _STORAGE_HOTPLUG_INFO	STORAGE_HOTPLUG_INFO
typedef struct _STORAGE_HOTPLUG_INFO *	PSTORAGE_HOTPLUG_INFO
typedef struct _MOUNTDEV_STABLE_GUID	MOUNTDEV_STABLE_GUID
typedef struct _MOUNTDEV_STABLE_GUID *	PMOUNTDEV_STABLE_GUID
typedef enum _TOKEN_TYPE	TOKEN_TYPE
typedef struct _TOKEN_SOURCE	TOKEN_SOURCE
typedef struct _TOKEN_SOURCE *	PTOKEN_SOURCE
typedef struct _TOKEN_CONTROL	TOKEN_CONTROL
typedef struct _TOKEN_CONTROL *	PTOKEN_CONTROL
typedef struct _SECURITY_CLIENT_CONTEXT	SECURITY_CLIENT_CONTEXT
typedef struct _SECURITY_CLIENT_CONTEXT *	PSECURITY_CLIENT_CONTEXT

Enumerations
enum	_MM_PAGE_PRIORITY {   LowPagePriority = 0 , NormalPagePriority = 16 , HighPagePriority = 32 , LowPagePriority ,   NormalPagePriority = 16 , HighPagePriority = 32 }
enum	_PARTITION_STYLE { PARTITION_STYLE_MBR , PARTITION_STYLE_GPT }
enum	_TOKEN_TYPE { TokenPrimary = 1 , TokenImpersonation , TokenPrimary = 1 , TokenImpersonation }

Functions
NTKERNELAPI VOID NTAPI	PsRevertToSelf (VOID)
NTKERNELAPI NTSTATUS NTAPI	SeCreateClientSecurity (IN PETHREAD Thread, IN PSECURITY_QUALITY_OF_SERVICE QualityOfService, IN BOOLEAN RemoteClient, OUT PSECURITY_CLIENT_CONTEXT ClientContext)
NTKERNELAPI VOID NTAPI	SeImpersonateClient (IN PSECURITY_CLIENT_CONTEXT ClientContext, IN PETHREAD ServerThread OPTIONAL)
NTKERNELAPI TOKEN_TYPE NTAPI	SeTokenType (IN PACCESS_TOKEN Token)
int	_snprintf (char *buffer, size_t count, const char *format,...)
int	_snwprintf (wchar_t *buffer, size_t count, const wchar_t *format,...)
int	sprintf (char *buffer, const char *format,...)
int	_swprintf (wchar_t *buffer, const wchar_t *format,...)

Macro Definition Documentation

FILE_ATTRIBUTE_ENCRYPTED

#define FILE_ATTRIBUTE_ENCRYPTED   0x00004000

Definition at line 60 of file imports.h.

FILE_DEVICE_MASS_STORAGE

#define FILE_DEVICE_MASS_STORAGE   0x0000002d

Definition at line 62 of file imports.h.

IOCTL_DISK_GET_LENGTH_INFO

#define IOCTL_DISK_GET_LENGTH_INFO

Value:

                                                CTL_CODE(               \
                                                IOCTL_DISK_BASE,    \
                                                0x0017,             \
                                                METHOD_BUFFERED,    \
                                                FILE_READ_ACCESS)

Definition at line 192 of file imports.h.

IOCTL_DISK_GET_PARTITION_INFO_EX

#define IOCTL_DISK_GET_PARTITION_INFO_EX

Value:

                                                CTL_CODE(               \
                                                IOCTL_DISK_BASE,    \
                                                0x0012,             \
                                                METHOD_BUFFERED,    \
                                                FILE_ANY_ACCESS)

Definition at line 186 of file imports.h.

IOCTL_MOUNTDEV_LINK_CREATED

#define IOCTL_MOUNTDEV_LINK_CREATED

Value:

                                                CTL_CODE(               \
                                                MOUNTDEVCONTROLTYPE,\
                                                4,                  \
                                                METHOD_BUFFERED,    \
                                                FILE_ANY_ACCESS)

Definition at line 106 of file imports.h.

IOCTL_MOUNTDEV_LINK_DELETED

#define IOCTL_MOUNTDEV_LINK_DELETED

Value:

                                                CTL_CODE(               \
                                                MOUNTDEVCONTROLTYPE,\
                                                5,                  \
                                                METHOD_BUFFERED,    \
                                                FILE_ANY_ACCESS)

Definition at line 112 of file imports.h.

IOCTL_MOUNTDEV_QUERY_DEVICE_NAME

#define IOCTL_MOUNTDEV_QUERY_DEVICE_NAME

Value:

                                                CTL_CODE(               \
                                                MOUNTDEVCONTROLTYPE,\
                                                2,                  \
                                                METHOD_BUFFERED,    \
                                                FILE_ANY_ACCESS)

Definition at line 93 of file imports.h.

IOCTL_MOUNTDEV_QUERY_STABLE_GUID

#define IOCTL_MOUNTDEV_QUERY_STABLE_GUID

Value:

                                                CTL_CODE(               \
                                                MOUNTDEVCONTROLTYPE,\
                                                6,                  \
                                                METHOD_BUFFERED,    \
                                                FILE_ANY_ACCESS)

Definition at line 255 of file imports.h.

IOCTL_MOUNTDEV_QUERY_SUGGESTED_LINK_NAME

#define IOCTL_MOUNTDEV_QUERY_SUGGESTED_LINK_NAME

Value:

                                            CTL_CODE(               \
                                                MOUNTDEVCONTROLTYPE,\
                                                3,                  \
                                                METHOD_BUFFERED,    \
                                                FILE_ANY_ACCESS)

Definition at line 99 of file imports.h.

IOCTL_MOUNTDEV_QUERY_UNIQUE_ID

#define IOCTL_MOUNTDEV_QUERY_UNIQUE_ID

Value:

                                                CTL_CODE(               \
                                                MOUNTDEVCONTROLTYPE,\
                                                0,                  \
                                                METHOD_BUFFERED,    \
                                                FILE_ANY_ACCESS)

Definition at line 80 of file imports.h.

IOCTL_MOUNTDEV_UNIQUE_ID_CHANGE_NOTIFY

#define IOCTL_MOUNTDEV_UNIQUE_ID_CHANGE_NOTIFY

Value:

                                            CTL_CODE(               \
                                                MOUNTDEVCONTROLTYPE,\
                                                1,                  \
                                                METHOD_BUFFERED,    \
                                                FILE_ANY_ACCESS)

Definition at line 86 of file imports.h.

IOCTL_MOUNTMGR_CREATE_POINT

#define IOCTL_MOUNTMGR_CREATE_POINT

Value:

                                                CTL_CODE(               \
                                                MOUNTMGRCONTROLTYPE,\
                                                0,                  \
                                                METHOD_BUFFERED,    \
                                                FILE_READ_ACCESS | FILE_WRITE_ACCESS)

Definition at line 118 of file imports.h.

IOCTL_MOUNTMGR_DELETE_POINTS

#define IOCTL_MOUNTMGR_DELETE_POINTS

Value:

                                                CTL_CODE(               \
                                                MOUNTMGRCONTROLTYPE,\
                                                1,                  \
                                                METHOD_BUFFERED,    \
                                                FILE_READ_ACCESS | FILE_WRITE_ACCESS)

Definition at line 124 of file imports.h.

IOCTL_MOUNTMGR_VOLUME_ARRIVAL_NOTIFICATION

#define IOCTL_MOUNTMGR_VOLUME_ARRIVAL_NOTIFICATION

Value:

                                            CTL_CODE(               \
                                                MOUNTMGRCONTROLTYPE,\
                                                11,                 \
                                                METHOD_BUFFERED,    \
                                                FILE_READ_ACCESS)

Definition at line 130 of file imports.h.

IOCTL_STORAGE_CHECK_VERIFY2

#define IOCTL_STORAGE_CHECK_VERIFY2

Value:

                                                CTL_CODE(               \
                                                IOCTL_STORAGE_BASE, \
                                                0x0200,             \
                                                METHOD_BUFFERED,    \
                                                FILE_ANY_ACCESS)

Definition at line 67 of file imports.h.

IOCTL_STORAGE_GET_HOTPLUG_INFO

#define IOCTL_STORAGE_GET_HOTPLUG_INFO

Value:

                                                CTL_CODE(               \
                                                IOCTL_STORAGE_BASE, \
                                                0x0305,             \
                                                METHOD_BUFFERED,    \
                                                FILE_ANY_ACCESS)

Definition at line 238 of file imports.h.

MOUNTDEVCONTROLTYPE

#define MOUNTDEVCONTROLTYPE   ((ULONG) 'M')

Definition at line 78 of file imports.h.

MOUNTMGR_DEVICE_NAME

#define MOUNTMGR_DEVICE_NAME   L"\\Device\\MountPointManager"

Definition at line 76 of file imports.h.

MOUNTMGRCONTROLTYPE

#define MOUNTMGRCONTROLTYPE   ((ULONG) 'm')

Definition at line 77 of file imports.h.

PsDereferenceImpersonationToken

#define PsDereferenceImpersonationToken

(

T

)

if (ARGUMENT_PRESENT(T)) (ObDereferenceObject((T)))

Definition at line 298 of file imports.h.

PsDereferencePrimaryToken

#define PsDereferencePrimaryToken

(

T

)

(ObDereferenceObject((T)))

Definition at line 301 of file imports.h.

SeDeleteClientSecurity

#define SeDeleteClientSecurity

(

C

)

Value:

{                                                           \
    if (SeTokenType((C)->ClientToken) == TokenPrimary) {    \
        PsDereferencePrimaryToken((C)->ClientToken);        \
    }                                                       \
    else {                                                  \
        PsDereferenceImpersonationToken((C)->ClientToken);  \
    }                                                       \
}

Definition at line 320 of file imports.h.

TOKEN_SOURCE_LENGTH

#define TOKEN_SOURCE_LENGTH   8

Definition at line 270 of file imports.h.

Typedef Documentation

GET_LENGTH_INFORMATION

typedef struct _GET_LENGTH_INFORMATION GET_LENGTH_INFORMATION

MM_PAGE_PRIORITY

typedef enum _MM_PAGE_PRIORITY MM_PAGE_PRIORITY

MOUNTDEV_NAME

typedef struct _MOUNTDEV_NAME MOUNTDEV_NAME

MOUNTDEV_STABLE_GUID

typedef struct _MOUNTDEV_STABLE_GUID MOUNTDEV_STABLE_GUID

MOUNTDEV_SUGGESTED_LINK_NAME

typedef struct _MOUNTDEV_SUGGESTED_LINK_NAME MOUNTDEV_SUGGESTED_LINK_NAME

MOUNTDEV_UNIQUE_ID

typedef struct _MOUNTDEV_UNIQUE_ID MOUNTDEV_UNIQUE_ID

MOUNTMGR_CREATE_POINT_INPUT

typedef struct _MOUNTMGR_CREATE_POINT_INPUT MOUNTMGR_CREATE_POINT_INPUT

MOUNTMGR_MOUNT_POINT

typedef struct _MOUNTMGR_MOUNT_POINT MOUNTMGR_MOUNT_POINT

MOUNTMGR_MOUNT_POINTS

typedef struct _MOUNTMGR_MOUNT_POINTS MOUNTMGR_MOUNT_POINTS

MOUNTMGR_TARGET_NAME

typedef struct _MOUNTMGR_TARGET_NAME MOUNTMGR_TARGET_NAME

PARTITION_INFORMATION_EX

typedef struct _PARTITION_INFORMATION_EX PARTITION_INFORMATION_EX

PARTITION_INFORMATION_GPT

typedef struct _PARTITION_INFORMATION_GPT PARTITION_INFORMATION_GPT

PARTITION_INFORMATION_MBR

typedef struct _PARTITION_INFORMATION_MBR PARTITION_INFORMATION_MBR

PARTITION_STYLE

typedef enum _PARTITION_STYLE PARTITION_STYLE

PGET_LENGTH_INFORMATION

typedef struct _GET_LENGTH_INFORMATION * PGET_LENGTH_INFORMATION

PMOUNTDEV_NAME

typedef struct _MOUNTDEV_NAME * PMOUNTDEV_NAME

PMOUNTDEV_STABLE_GUID

typedef struct _MOUNTDEV_STABLE_GUID * PMOUNTDEV_STABLE_GUID

PMOUNTDEV_SUGGESTED_LINK_NAME

typedef struct _MOUNTDEV_SUGGESTED_LINK_NAME * PMOUNTDEV_SUGGESTED_LINK_NAME

PMOUNTDEV_UNIQUE_ID

typedef struct _MOUNTDEV_UNIQUE_ID * PMOUNTDEV_UNIQUE_ID

PMOUNTMGR_CREATE_POINT_INPUT

typedef struct _MOUNTMGR_CREATE_POINT_INPUT * PMOUNTMGR_CREATE_POINT_INPUT

PMOUNTMGR_MOUNT_POINT

typedef struct _MOUNTMGR_MOUNT_POINT * PMOUNTMGR_MOUNT_POINT

PMOUNTMGR_MOUNT_POINTS

typedef struct _MOUNTMGR_MOUNT_POINTS * PMOUNTMGR_MOUNT_POINTS

PMOUNTMGR_TARGET_NAME

typedef struct _MOUNTMGR_TARGET_NAME * PMOUNTMGR_TARGET_NAME

PPARTITION_INFORMATION_EX

typedef struct _PARTITION_INFORMATION_EX * PPARTITION_INFORMATION_EX

PPARTITION_INFORMATION_GPT

typedef struct _PARTITION_INFORMATION_GPT * PPARTITION_INFORMATION_GPT

PPARTITION_INFORMATION_MBR

typedef struct _PARTITION_INFORMATION_MBR * PPARTITION_INFORMATION_MBR

PSECURITY_CLIENT_CONTEXT

typedef struct _SECURITY_CLIENT_CONTEXT * PSECURITY_CLIENT_CONTEXT

PSTORAGE_HOTPLUG_INFO

typedef struct _STORAGE_HOTPLUG_INFO * PSTORAGE_HOTPLUG_INFO

PTOKEN_CONTROL

typedef struct _TOKEN_CONTROL * PTOKEN_CONTROL

PTOKEN_SOURCE

typedef struct _TOKEN_SOURCE * PTOKEN_SOURCE

PULONG64

typedef unsigned __int64 * PULONG64

Definition at line 198 of file imports.h.

SECURITY_CLIENT_CONTEXT

typedef struct _SECURITY_CLIENT_CONTEXT SECURITY_CLIENT_CONTEXT

STORAGE_HOTPLUG_INFO

typedef struct _STORAGE_HOTPLUG_INFO STORAGE_HOTPLUG_INFO

TOKEN_CONTROL

typedef struct _TOKEN_CONTROL TOKEN_CONTROL

TOKEN_SOURCE

typedef struct _TOKEN_SOURCE TOKEN_SOURCE

TOKEN_TYPE

typedef enum _TOKEN_TYPE TOKEN_TYPE

ULONG64

typedef unsigned __int64 ULONG64

Definition at line 198 of file imports.h.

Enumeration Type Documentation

_MM_PAGE_PRIORITY

enum _MM_PAGE_PRIORITY

Enumerator
LowPagePriority
NormalPagePriority
HighPagePriority
LowPagePriority
NormalPagePriority
HighPagePriority

Definition at line 54 of file imports.h.

                               {
    LowPagePriority     = 0,
    NormalPagePriority  = 16,
    HighPagePriority    = 32
} MM_PAGE_PRIORITY;

_PARTITION_STYLE

enum _PARTITION_STYLE

Enumerator
PARTITION_STYLE_MBR
PARTITION_STYLE_GPT

Definition at line 200 of file imports.h.

                              {
    PARTITION_STYLE_MBR,
    PARTITION_STYLE_GPT
} PARTITION_STYLE;

_TOKEN_TYPE

enum _TOKEN_TYPE

Enumerator
TokenPrimary
TokenImpersonation
TokenPrimary
TokenImpersonation

Definition at line 272 of file imports.h.

                         {
    TokenPrimary = 1,
    TokenImpersonation
} TOKEN_TYPE;

Function Documentation

_snprintf()

int _snprintf	(	char *	buffer,
		size_t	count,
		const char *	format,
			...
	)

Definition at line 718 of file sprintf.c.

{
    va_list args;
    int i;
 
    va_start(args, fmt);
    i=_vsnprintf(buf,cnt,fmt,args);
    va_end(args);
    return i;
}

_snwprintf()

int _snwprintf	(	wchar_t *	buffer,
		size_t	count,
		const wchar_t *	format,
			...
	)

Referenced by _CrtDbgReportW(), _CrtDbgReportWindow(), _wtmpnam(), BaseGetVdmConfigInfo(), ChildWndProc(), CreateVdmMenu(), CSR_API(), DisplayStatus(), dsound_enum(), DumpMemory(), EtfsOpen(), ExpLoadInitialProcess(), GetKeyName(), CTravelLog::GetToolTipText(), InitDialog(), IopStartRamdisk(), LdrpInitializeProcess(), LogToFile(), OnCreate(), PnpRootCreateDevice(), pSetupDebugPrint(), RamdiskCreateDiskDevice(), RecycleBin5_RecycleBin5_DeleteFile(), SeGetLogonIdDeviceMap(), SepCleanupLUIDDeviceMapDirectory(), ShowLastWin32Error(), tirpc_report(), TransformView_create_table(), TransformView_insert_row(), TreeWndNotifyProc(), UniataConnectIntr2(), UpdateServiceCount(), UpdateStatus(), UpdateVdmMenuDisks(), VfdCreateDevice(), VfdDeleteDevice(), VfdLoadLink(), VfdSetLink(), VfdStoreLink(), WhoamiGroups(), and WriteRdpFile().

_swprintf()

int _swprintf	(	wchar_t *	buffer,
		const wchar_t *	format,
			...
	)

PsRevertToSelf()

NTKERNELAPI VOID NTAPI PsRevertToSelf

(

VOID

)

Definition at line 556 of file security.c.

{
    /* Call the per-thread API */
    PAGED_CODE();
    PsRevertThreadToSelf(PsGetCurrentThread());
}

Referenced by CmpCmdHiveOpen(), and VfdIoCtlThread().

SeCreateClientSecurity()

NTKERNELAPI NTSTATUS NTAPI SeCreateClientSecurity	(	IN PETHREAD	Thread,
		IN PSECURITY_QUALITY_OF_SERVICE	QualityOfService,
		IN BOOLEAN	RemoteClient,
		OUT PSECURITY_CLIENT_CONTEXT	ClientContext
	)

Referenced by CmLoadKey(), NpGetClientSecurityContext(), NpInitializeSecurity(), NtImpersonateClientOfPort(), NtImpersonateThread(), NtSecureConnectPort(), and VfdOpenCheck().

SeImpersonateClient()

NTKERNELAPI VOID NTAPI SeImpersonateClient	(	IN PSECURITY_CLIENT_CONTEXT	ClientContext,
		IN PETHREAD ServerThread	OPTIONAL
	)

Referenced by NtImpersonateThread(), and VfdIoCtlThread().

SeTokenType()

NTKERNELAPI TOKEN_TYPE NTAPI SeTokenType

(

IN PACCESS_TOKEN

Token

)

Referenced by NpFreeClientSecurityContext(), and PsAssignImpersonationToken().

sprintf()

int sprintf	(	char *	buffer,
		const char *	format,
			...
	)

Definition at line 768 of file utprint.c.

{
    va_list                 Args;
    int                     Length;
 
 
    va_start (Args, Format);
    Length = vsnprintf (String, ACPI_UINT32_MAX, Format, Args);
    va_end (Args);
 
    return (Length);
}