Leaked source code of windows server 2003
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/*++
Copyright (c) 2001 Microsoft Corporation
Module Name:
pathutils.h
Abstract:
Contains prototypes for functions from ntdll
on XP that are not available on W2K.
History:
09/10/2001 rparsons Created
--*/
#ifndef _RTLUTILS_H_
#define _RTLUTILS_H_
#include "ShimHook.h"
namespace ShimLib
{
PVOID
ShimAllocateStringRoutine(
SIZE_T NumberOfBytes
);
VOID
ShimFreeStringRoutine(
PVOID Buffer
);
const PRTL_ALLOCATE_STRING_ROUTINE RtlAllocateStringRoutine = ShimAllocateStringRoutine;
const PRTL_FREE_STRING_ROUTINE RtlFreeStringRoutine = ShimFreeStringRoutine;
RTL_PATH_TYPE
NTAPI
ShimDetermineDosPathNameType_Ustr(
IN PCUNICODE_STRING String
);
NTSTATUS
NTAPI
ShimNtPathNameToDosPathName(
IN ULONG Flags,
IN OUT PRTL_UNICODE_STRING_BUFFER Path,
OUT ULONG* Disposition OPTIONAL,
IN OUT PWSTR* FilePart OPTIONAL
);
NTSTATUS
ShimDuplicateUnicodeString(
ULONG Flags,
PCUNICODE_STRING StringIn,
PUNICODE_STRING StringOut
);
NTSTATUS
NTAPI
ShimpEnsureBufferSize(
IN ULONG Flags,
IN OUT PRTL_BUFFER Buffer,
IN SIZE_T Size
);
NTSTATUS
ShimValidateUnicodeString(
ULONG Flags,
const UNICODE_STRING *String
);
//
// Taken from %SDXROOT%\public\sdk\inc\NtRtlStringAndBuffer.h
//
#define ShimEnsureBufferSize(Flags, Buff, NewSizeBytes) \
( ((Buff) != NULL && (NewSizeBytes) <= (Buff)->Size) \
? STATUS_SUCCESS \
: ShimpEnsureBufferSize((Flags), (Buff), (NewSizeBytes)) \
)
#define ShimEnsureUnicodeStringBufferSizeBytes(Buff_, NewSizeBytes_) \
( ( ((NewSizeBytes_) + sizeof((Buff_)->String.Buffer[0])) > UNICODE_STRING_MAX_BYTES ) \
? STATUS_NAME_TOO_LONG \
: !NT_SUCCESS(ShimEnsureBufferSize(0, &(Buff_)->ByteBuffer, ((NewSizeBytes_) + sizeof((Buff_)->String.Buffer[0])))) \
? STATUS_NO_MEMORY \
: (RtlSyncStringToBuffer(Buff_)) \
)
#define ShimEnsureUnicodeStringBufferSizeChars(Buff_, NewSizeChars_) \
(ShimEnsureUnicodeStringBufferSizeBytes((Buff_), (NewSizeChars_) * sizeof((Buff_)->String.Buffer[0])))
//
// Taken from %SDXROOT%\public\sdk\inc\NtRtlStringAndBuffer.h
//
//++
//
// NTSTATUS
// RtlAppendUnicodeStringBuffer(
// OUT PRTL_UNICODE_STRING_BUFFER Destination,
// IN PCUNICODE_STRING Source
// );
//
// Routine Description:
//
//
// Arguments:
//
// Destination -
// Source -
//
// Return Value:
//
// STATUS_SUCCESS
// STATUS_NO_MEMORY
// STATUS_NAME_TOO_LONG (64K UNICODE_STRING length would be exceeded)
//
//--
#define ShimAppendUnicodeStringBuffer(Dest, Source) \
( ( ( (Dest)->String.Length + (Source)->Length + sizeof((Dest)->String.Buffer[0]) ) > UNICODE_STRING_MAX_BYTES ) \
? STATUS_NAME_TOO_LONG \
: (!NT_SUCCESS( \
ShimEnsureBufferSize( \
0, \
&(Dest)->ByteBuffer, \
(Dest)->String.Length + (Source)->Length + sizeof((Dest)->String.Buffer[0]) ) ) \
? STATUS_NO_MEMORY \
: ( ( (Dest)->String.Buffer = (PWSTR)(Dest)->ByteBuffer.Buffer ), \
( RtlMoveMemory( \
(Dest)->String.Buffer + (Dest)->String.Length / sizeof((Dest)->String.Buffer[0]), \
(Source)->Buffer, \
(Source)->Length) ), \
( (Dest)->String.MaximumLength = (RTL_STRING_LENGTH_TYPE)((Dest)->String.Length + (Source)->Length + sizeof((Dest)->String.Buffer[0]))), \
( (Dest)->String.Length += (Source)->Length ), \
( (Dest)->String.Buffer[(Dest)->String.Length / sizeof((Dest)->String.Buffer[0])] = 0 ), \
( STATUS_SUCCESS ) ) ) )
//
// Taken from %SDXROOT%\public\sdk\inc\NtRtlStringAndBuffer.h
//
//++
//
// NTSTATUS
// RtlAssignUnicodeStringBuffer(
// IN OUT PRTL_UNICODE_STRING_BUFFER Buffer,
// PCUNICODE_STRING String
// );
// Routine Description:
//
// Arguments:
//
// Buffer -
// String -
//
// Return Value:
//
// STATUS_SUCCESS
// STATUS_NO_MEMORY
//--
#define ShimAssignUnicodeStringBuffer(Buff, Str) \
(((Buff)->String.Length = 0), (ShimAppendUnicodeStringBuffer((Buff), (Str))))
}; // end of namespace ShimLib
#endif // _RTLUTILS_H_