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windows-nt/Source/XPSP1/NT/com/rpc/ndr20/bufsize.cxx

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/*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Copyright (c) 1993-2000 Microsoft Corporation
Module Name :
bufsize.c
Abstract :
This file contains the routines called by MIDL 2.0 stubs and the
interpreter for computing the buffer size needed for a parameter.
Author :
David Kays dkays September 1993.
Revision History :
---------------------------------------------------------------------*/
#include "ndrp.h"
#include "ndrole.h"
#include "attack.h"
#include "pointerq.h"
RPCRTAPI
void RPC_ENTRY
NdrUDTSimpleTypeSize(
PMIDL_STUB_MESSAGE pStubMsg,
unsigned char * pMemory,
PFORMAT_STRING pFormat
);
extern const
PSIZE_ROUTINE SizeRoutinesTable[] =
{
NdrUDTSimpleTypeSize,
NdrUDTSimpleTypeSize,
NdrUDTSimpleTypeSize,
NdrUDTSimpleTypeSize,
NdrUDTSimpleTypeSize,
NdrUDTSimpleTypeSize,
NdrUDTSimpleTypeSize,
NdrUDTSimpleTypeSize,
NdrUDTSimpleTypeSize,
NdrUDTSimpleTypeSize,
NdrUDTSimpleTypeSize,
NdrUDTSimpleTypeSize,
NdrUDTSimpleTypeSize,
NdrUDTSimpleTypeSize,
NdrUDTSimpleTypeSize,
NdrUDTSimpleTypeSize,
NdrUDTSimpleTypeSize,
NdrPointerBufferSize,
NdrPointerBufferSize,
NdrPointerBufferSize,
NdrPointerBufferSize,
NdrSimpleStructBufferSize,
NdrSimpleStructBufferSize,
NdrConformantStructBufferSize,
NdrConformantStructBufferSize,
NdrConformantVaryingStructBufferSize,
NdrComplexStructBufferSize,
NdrConformantArrayBufferSize,
NdrConformantVaryingArrayBufferSize,
NdrFixedArrayBufferSize,
NdrFixedArrayBufferSize,
NdrVaryingArrayBufferSize,
NdrVaryingArrayBufferSize,
NdrComplexArrayBufferSize,
NdrConformantStringBufferSize,
NdrConformantStringBufferSize,
NdrConformantStringBufferSize,
NdrConformantStringBufferSize,
NdrNonConformantStringBufferSize,
NdrNonConformantStringBufferSize,
NdrNonConformantStringBufferSize,
NdrNonConformantStringBufferSize,
NdrEncapsulatedUnionBufferSize,
NdrNonEncapsulatedUnionBufferSize,
NdrByteCountPointerBufferSize,
NdrXmitOrRepAsBufferSize, // transmit as
NdrXmitOrRepAsBufferSize, // represent as
NdrPointerBufferSize,
NdrContextHandleSize,
// New Post NT 3.5 token serviced from here on.
0, // NdrHardStructBufferSize,
NdrXmitOrRepAsBufferSize, // transmit as ptr
NdrXmitOrRepAsBufferSize, // represent as ptr
NdrUserMarshalBufferSize,
0, // FC_PIPE
0, // FC_BLK_HOLE
NdrpRangeBufferSize,
0, // FC_INT3264
0, // FC_UINT3264
0, // NdrCsArrayBufferSize,
0, // NdrCsTagBufferSize
};
const
PSIZE_ROUTINE * pfnSizeRoutines = SizeRoutinesTable;
void
NdrpInterfacePointerBufferSize (
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat );
RPCRTAPI
void RPC_ENTRY
NdrTypeSize(
PMIDL_STUB_MESSAGE pStubMsg,
unsigned char * pMemory,
PFORMAT_STRING pFormat
)
{
(*pfnSizeRoutines[ROUTINE_INDEX(*pFormat)])( pStubMsg,
pMemory,
pFormat );
}
void RPC_ENTRY
NdrUDTSimpleTypeSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Get the size a top level or embedded simple type.
Used for VT_USERDEFINED but in fact simple types,
like TKIND_ENUM and TKIND_ALIAS
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the data being sized.
pFormat - Pointer's format string description.
Return :
None.
--*/
{
LENGTH_ALIGN( pStubMsg->BufferLength,
SIMPLE_TYPE_ALIGNMENT(*pFormat) );
pStubMsg->BufferLength += SIMPLE_TYPE_BUFSIZE(*pFormat);
pMemory += SIMPLE_TYPE_MEMSIZE(*pFormat);
}
void RPC_ENTRY
NdrPointerBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the needed buffer size for a top level pointer to anything.
Pointers embedded in structures, arrays, or unions call
NdrpPointerBufferSize directly.
Used for FC_RP, FC_UP, FC_FP, FC_OP.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the data being sized.
pFormat - Pointer's format string description.
Return :
None.
--*/
{
//
// Add 4 bytes for a unique or full pointer.
//
if ( *pFormat != FC_RP )
{
LENGTH_ALIGN(pStubMsg->BufferLength,0x3);
pStubMsg->BufferLength += PTR_WIRE_SIZE;
}
NdrpPointerBufferSize( pStubMsg,
pMemory,
pFormat );
}
__forceinline void
NdrpPointerBufferSizeInternal(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Private routine for sizing a pointee. This is the entry
point for pointers embedded in structures, arrays, or unions.
Used for FC_RP, FC_UP, FC_FP, FC_OP.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the data being sized.
pFormat - Pointer's format string description.
pStubMsg->BufferLength - ready for the pointee.
Return :
None.
--*/
{
if ( FC_IP == *pFormat )
{
if ( IS_BROKEN_INTERFACE_POINTER(pStubMsg->uFlags) )
{
// The pointee is effectivly both the pointer
// and the pointee.
NdrInterfacePointerBufferSize(
pStubMsg,
pMemory,
pFormat );
return;
}
if ( ! pMemory )
return;
NdrpInterfacePointerBufferSize( pStubMsg,
pMemory,
pFormat );
return;
}
uchar uFlagsSave;
if ( ! pMemory )
return;
if ( *pFormat == FC_FP )
{
//
// Check if we have already sized this full pointer.
//
if ( NdrFullPointerQueryPointer( pStubMsg->FullPtrXlatTables,
pMemory,
FULL_POINTER_BUF_SIZED,
0 ) )
return;
}
if ( ! SIMPLE_POINTER(pFormat[1]) )
{
//
// Pointer to complex type.
//
if ( POINTER_DEREF(pFormat[1]) )
pMemory = *((uchar **)pMemory);
pFormat += 2;
pFormat += *((signed short *)pFormat);
}
else
{
switch ( pFormat[2] )
{
case FC_C_CSTRING :
case FC_C_BSTRING :
case FC_C_WSTRING :
case FC_C_SSTRING :
// Increment to the string description.
pFormat += 2;
break;
default :
//
// Pointer to simple type. Make an upper bound estimate.
//
SIMPLE_TYPE_BUF_INCREMENT(pStubMsg->BufferLength, pFormat[2]);
return;
}
}
uFlagsSave = pStubMsg->uFlags;
RESET_CONF_FLAGS_TO_STANDALONE(pStubMsg->uFlags);
(*pfnSizeRoutines[ROUTINE_INDEX(*pFormat)])( pStubMsg,
pMemory,
pFormat );
pStubMsg->uFlags = uFlagsSave;
}
NDR_BUFSIZE_POINTER_QUEUE_ELEMENT::NDR_BUFSIZE_POINTER_QUEUE_ELEMENT(
MIDL_STUB_MESSAGE *pStubMsg,
uchar * const pMemoryNew,
const PFORMAT_STRING pFormatNew) :
pMemory(pMemoryNew),
pFormat(pFormatNew),
Memory(pStubMsg->Memory),
uFlags(pStubMsg->uFlags)
{
}
void
NDR_BUFSIZE_POINTER_QUEUE_ELEMENT::Dispatch(
MIDL_STUB_MESSAGE *pStubMsg)
{
SAVE_CONTEXT<uchar*> MemorySave( pStubMsg->Memory, Memory );
SAVE_CONTEXT<uchar> uFlagsSave( pStubMsg->uFlags, uFlags );
NDR_ASSERT( !pStubMsg->PointerBufferMark, "PointerBufferMark is not 0\n");
NdrpPointerBufferSizeInternal( pStubMsg,
pMemory,
pFormat );
}
#if defined(DBG)
void
NDR_BUFSIZE_POINTER_QUEUE_ELEMENT::Print()
{
DbgPrint("NDR_BUFSIZE_POINTER_QUEUE_ELEMENT\n");
DbgPrint("pNext: %p\n", pNext );
DbgPrint("pMemory: %p\n", pMemory );
DbgPrint("pFormat: %p\n", pFormat );
DbgPrint("Memory: %p\n", Memory );
DbgPrint("uFlags: %x\n", uFlags );
}
#endif
void
NdrpEnquePointerBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
{
NDR32_POINTER_CONTEXT PointerContext( pStubMsg );
RpcTryFinally
{
NDR_BUFSIZE_POINTER_QUEUE_ELEMENT *pElement =
new(PointerContext.GetActiveState())
NDR_BUFSIZE_POINTER_QUEUE_ELEMENT(pStubMsg,
pMemory,
pFormat);
PointerContext.Enque( pElement );
PointerContext.DispatchIfRequired();
}
RpcFinally
{
PointerContext.EndContext();
}
RpcEndFinally
}
void
NdrpPointerBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
{
if ( !NdrIsLowStack( pStubMsg ) )
{
NdrpPointerBufferSizeInternal( pStubMsg,
pMemory,
pFormat );
return;
}
NdrpEnquePointerBufferSize(
pStubMsg,
pMemory,
pFormat );
}
void RPC_ENTRY
NdrpRangeBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for a simple type with range on it.
Used for FC_RANGE.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the structure being sized.
pFormat - Structure's format string description.
Return :
None.
--*/
{
// This routine is needed because the precomputed buf size is missing in some cases.
// So it is cheaper to have the routine than to change code paths elsewhere.
FORMAT_CHARACTER FcType = (FORMAT_CHARACTER)(pFormat[1] & 0x0f);
LENGTH_ALIGN( pStubMsg->BufferLength, SIMPLE_TYPE_ALIGNMENT(FcType) );
pStubMsg->BufferLength += SIMPLE_TYPE_BUFSIZE(FcType);
}
void RPC_ENTRY
NdrSimpleStructBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for a simple structure.
Used for FC_STRUCT and FC_PSTRUCT.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the structure being sized.
pFormat - Structure's format string description.
Return :
None.
--*/
{
LENGTH_ALIGN(pStubMsg->BufferLength,pFormat[1]);
// Add size of the structure.
pStubMsg->BufferLength += (ulong) *((ushort *)(pFormat + 2));
//
// Add size of embedded pointers.
//
if ( *pFormat == FC_PSTRUCT )
{
NdrpEmbeddedPointerBufferSize( pStubMsg,
pMemory,
pFormat + 4 );
}
}
void RPC_ENTRY
NdrConformantStructBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for a conformant structure.
Used for FC_CSTRUCT and FC_CPSTRUCT.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the structure being sized.
pFormat - Structure's format string description.
Return :
None.
--*/
{
PFORMAT_STRING pFormatArray;
ulong FlatSize;
// set by the embedding complex struct
uchar fIsEmbeddedStructSave = IS_EMBED_CONF_STRUCT( pStubMsg->uFlags );
// accounted for by the outermost embedding complex struct
if ( !fIsEmbeddedStructSave )
{
// Align and add size for conformance count.
LENGTH_ALIGN(pStubMsg->BufferLength,0x3);
pStubMsg->BufferLength += 4;
}
// Align
LENGTH_ALIGN(pStubMsg->BufferLength, pFormat[1] );
FlatSize = (ulong) *((ushort *)(pFormat + 2));
pStubMsg->BufferLength += FlatSize;
// Increment to the offset to array description.
pFormat += 4;
pFormatArray = pFormat + *((signed short *)pFormat);
//
// Size our array - pass a memory pointer to the conformant array.
//
NdrpConformantArrayBufferSize( pStubMsg,
pMemory + FlatSize,
pFormatArray );
pFormat += 2;
if ( *pFormat == FC_PP )
{
NdrpEmbeddedPointerBufferSize( pStubMsg,
pMemory,
pFormat );
}
// Set the reverse flag to signal that array has been marshaled.
if ( fIsEmbeddedStructSave )
SET_CONF_ARRAY_DONE( pStubMsg->uFlags );
}
void RPC_ENTRY
NdrConformantVaryingStructBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for a conformant varying structure.
Used for FC_CVSTRUCT.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the structure being sized.
pFormat - Structure's format string description.
Return :
None.
--*/
{
PPRIVATE_SIZE_ROUTINE pfnSize;
PFORMAT_STRING pFormatArray;
ulong FlatSize;
// set by the outermost embedding complex struct
uchar fIsEmbeddedStructSave = IS_EMBED_CONF_STRUCT( pStubMsg->uFlags );
// accounted for by the outermost embedding complex struct
if ( !fIsEmbeddedStructSave )
{
// Align
LENGTH_ALIGN(pStubMsg->BufferLength,0x3);
pStubMsg->BufferLength += 4;
}
// Align
LENGTH_ALIGN(pStubMsg->BufferLength, pFormat[1] );
FlatSize = (ulong) *((ushort *)(pFormat + 2));
pStubMsg->BufferLength += FlatSize;
// Increment to the offset to array description.
pFormat += 4;
pFormatArray = pFormat + *((signed short *)pFormat);
switch ( *pFormatArray )
{
case FC_CVARRAY :
pfnSize = NdrpConformantVaryingArrayBufferSize;
break;
default :
pfnSize = NdrpConformantStringBufferSize;
break;
}
(*pfnSize)( pStubMsg,
pMemory + FlatSize,
pFormatArray );
pFormat += 2;
if ( *pFormat == FC_PP )
{
pStubMsg->MaxCount = pStubMsg->ActualCount;
NdrpEmbeddedPointerBufferSize( pStubMsg,
pMemory,
pFormat );
}
// Set the reverse flag to signal that array has been marshaled.
if ( fIsEmbeddedStructSave )
SET_CONF_ARRAY_DONE( pStubMsg->uFlags );
}
#if 0
void RPC_ENTRY
NdrHardStructBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for a hard structure.
Used for FC_HARD_STRUCT.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the structure being sized.
pFormat - Structure's format string description.
Return :
None.
--*/
{
LENGTH_ALIGN(pStubMsg->BufferLength,pFormat[1]);
pStubMsg->BufferLength += *((ushort *)&pFormat[10]);
if ( *((short *)&pFormat[14]) )
{
pFormat += 12;
pMemory += *((ushort *)pFormat)++;
pFormat += *((short *)pFormat);
(*pfnSizeRoutines[ROUTINE_INDEX(*pFormat)])( pStubMsg,
pMemory,
pFormat );
}
}
#endif // 0
void RPC_ENTRY
NdrComplexStructBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for a complex structure.
Used for FC_BOGUS_STRUCT.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the structure being sized.
pFormat - Structure's format string description.
Return :
None.
--*/
{
PFORMAT_STRING pFormatPointers;
PFORMAT_STRING pFormatArray;
PFORMAT_STRING pFormatComplex;
long Alignment;
long Align8Mod;
BOOL fEmbedConfStructContext;
uchar* pMemoryLoop;
PFORMAT_STRING pFormatLoop;
uchar fIsEmbeddedStructSave = IS_EMBED_CONF_STRUCT( pStubMsg->uFlags );
uchar * pMemorySave = pStubMsg->Memory;
//
// If were not ignoring pointees and the the stub message PointerBufferMark field is 0,
// then determine the position in the buffer where pointees will be marshalled.
//
// We have to do this to handle embedded pointers.
//
bool fSetPointerBufferMark = !pStubMsg->IgnoreEmbeddedPointers &&
!pStubMsg->PointerBufferMark;
if ( fSetPointerBufferMark )
{
pStubMsg->IgnoreEmbeddedPointers = TRUE;
ulong BufferLengthSave = pStubMsg->BufferLength;
NdrComplexStructBufferSize( pStubMsg,
pMemory,
pFormat );
// If the size of the flat part is zero and this is the first item to be
// marshalled, add a small offset to the buffer so that we can continue
// to use PointerBufferMark as an is embedded flag.
if ( !pStubMsg->BufferLength)
{
pStubMsg->BufferLength += NDR_MAX_BUFFER_ALIGNMENT;
BufferLengthSave += NDR_MAX_BUFFER_ALIGNMENT;
}
pStubMsg->IgnoreEmbeddedPointers = FALSE;
pStubMsg->PointerBufferMark = (uchar *) UlongToPtr(pStubMsg->BufferLength);
pStubMsg->BufferLength = BufferLengthSave;
}
//
// This is used when computing the count(s) for size_is or length_is
// pointers.
//
pStubMsg->Memory = pMemory;
Alignment = pFormat[1];
//
// This is used for support of structs with doubles passed on an
// i386 stack, and of struct with longs on 16 bit platforms.
//
// A cast to long is what we need.
Align8Mod = 0x7 & PtrToLong( pMemory );
pFormat += 4;
fEmbedConfStructContext = fIsEmbeddedStructSave;
// Get conformant array description.
if ( *((ushort *)pFormat) )
{
pFormatArray = pFormat + *((signed short *)pFormat);
// mark Complex struct embedding Conformant struct case
if ( FixWireRepForDComVerGTE54( pStubMsg ) )
fEmbedConfStructContext = TRUE;
// accounted for by the outermost embedding complex struct
if ( !fIsEmbeddedStructSave )
{
//
// Align and add size of conformance count(s).
//
LENGTH_ALIGN(pStubMsg->BufferLength,0x3);
pStubMsg->BufferLength += 4 * NdrpArrayDimensions( pStubMsg,
pFormatArray,
FALSE);
}
}
else
pFormatArray = 0;
RESET_EMBED_CONF_STRUCT( pStubMsg->uFlags );
pFormat += 2;
// Get pointer layout description.
if ( *((ushort *)pFormat) )
pFormatPointers = pFormat + *((ushort *)pFormat);
else
pFormatPointers = 0;
pFormat += 2;
// save variables for second loop
pMemoryLoop = pMemory;
pFormatLoop = pFormat;
LENGTH_ALIGN(pStubMsg->BufferLength,Alignment);
//
// size the structure member by member.
//
for ( ; *pFormat != FC_END; pFormat++ )
{
switch ( *pFormat )
{
//
// simple types
//
case FC_CHAR :
case FC_BYTE :
case FC_SMALL :
case FC_WCHAR :
case FC_SHORT :
case FC_LONG :
#if defined(__RPC_WIN64__)
case FC_INT3264:
case FC_UINT3264:
#endif
case FC_FLOAT :
case FC_HYPER :
case FC_DOUBLE :
case FC_ENUM16 :
case FC_ENUM32 :
case FC_IGNORE :
LENGTH_ALIGN( pStubMsg->BufferLength,
SIMPLE_TYPE_ALIGNMENT(*pFormat) );
pStubMsg->BufferLength += SIMPLE_TYPE_BUFSIZE(*pFormat);
pMemory += SIMPLE_TYPE_MEMSIZE(*pFormat);
break;
case FC_POINTER :
LENGTH_ALIGN(pStubMsg->BufferLength,0x3);
pStubMsg->BufferLength += PTR_WIRE_SIZE;
if ( !pStubMsg->IgnoreEmbeddedPointers )
{
POINTER_BUFFERLENGTH_SWAP_CONTEXT SwapContext( pStubMsg );
NdrpPointerBufferSize( pStubMsg,
*((uchar **)pMemory),
pFormatPointers );
}
pFormatPointers += 4;
pMemory += PTR_MEM_SIZE;
break;
//
// Embedded complex types.
//
case FC_EMBEDDED_COMPLEX :
// Add padding.
pMemory += pFormat[1];
pFormat += 2;
// Get the type's description.
pFormatComplex = pFormat + *((signed short UNALIGNED *)pFormat);
if ( FC_IP == *pFormatComplex )
{
// Treat embedded interface pointers the same as regular pointers.
LENGTH_ALIGN( pStubMsg->BufferLength, 0x3 );
pStubMsg->BufferLength += PTR_WIRE_SIZE;
if ( !pStubMsg->IgnoreEmbeddedPointers )
{
POINTER_BUFFERLENGTH_SWAP_CONTEXT SwapContext( pStubMsg );
NdrpPointerBufferSize( pStubMsg,
*((uchar **)pMemory),
pFormatComplex);
}
pMemory += PTR_MEM_SIZE;
pFormat++;
break;
}
// Needed for embedded conf structs
//
if ( fEmbedConfStructContext )
SET_EMBED_CONF_STRUCT( pStubMsg->uFlags );
(*pfnSizeRoutines[ROUTINE_INDEX(*pFormatComplex)])
( pStubMsg,
pMemory,
pFormatComplex );
pMemory = NdrpMemoryIncrement( pStubMsg,
pMemory,
pFormatComplex );
RESET_EMBED_CONF_STRUCT( pStubMsg->uFlags );
//
// Increment the main format string one byte. The loop
// will increment it one more byte past the offset field.
//
pFormat++;
break;
case FC_ALIGNM2 :
ALIGN( pMemory, 0x1 );
break;
case FC_ALIGNM4 :
ALIGN( pMemory, 0x3 );
break;
case FC_ALIGNM8 :
//
// We have to play some tricks for the i386 to handle the case
// when an 8 byte aligned structure is passed by value. The
// alignment of the struct on the stack is not guaranteed to be
// on an 8 byte boundary.
//
pMemory -= Align8Mod;
ALIGN( pMemory, 0x7 );
pMemory += Align8Mod;
break;
case FC_STRUCTPAD1 :
case FC_STRUCTPAD2 :
case FC_STRUCTPAD3 :
case FC_STRUCTPAD4 :
case FC_STRUCTPAD5 :
case FC_STRUCTPAD6 :
case FC_STRUCTPAD7 :
pMemory += (*pFormat - FC_STRUCTPAD1) + 1;
break;
case FC_STRUCTPADN :
// FC_STRUCTPADN 0 <unsigned short>
pMemory += *(((unsigned short *)pFormat) + 1);
pFormat += 3;
break;
case FC_PAD :
break;
//
// Done with layout.
//
case FC_END :
break;
default :
NDR_ASSERT(0,"NdrComplexStructBufferSize : bad format char");
RpcRaiseException( RPC_S_INTERNAL_ERROR );
return;
} // switch
} // for
//
// Size any conformant array.
//
// accounted for by the outermost embedding complex struct
// .. but not when embedded and not when array done by an embeded conf struct.
if ( pFormatArray && !fIsEmbeddedStructSave &&
! IS_CONF_ARRAY_DONE( pStubMsg->uFlags ) )
{
PPRIVATE_SIZE_ROUTINE pfnSize;
switch ( *pFormatArray )
{
case FC_CARRAY :
pfnSize = NdrpConformantArrayBufferSize;
break;
case FC_CVARRAY :
pfnSize = NdrpConformantVaryingArrayBufferSize;
break;
case FC_BOGUS_ARRAY :
pfnSize = NdrpComplexArrayBufferSize;
break;
// case FC_C_WSTRING :
// case FC_C_CSTRING :
// case FC_C_BSTRING :
// case FC_C_SSTRING :
default :
pfnSize = NdrpConformantStringBufferSize;
break;
}
(*pfnSize)( pStubMsg,
pMemory,
pFormatArray );
}
if ( fIsEmbeddedStructSave )
SET_EMBED_CONF_STRUCT( pStubMsg->uFlags );
else
RESET_CONF_ARRAY_DONE( pStubMsg->uFlags );
pStubMsg->Memory = pMemorySave;
if ( fSetPointerBufferMark )
{
pStubMsg->BufferLength = PtrToUlong(pStubMsg->PointerBufferMark);
pStubMsg->PointerBufferMark = NULL;
}
}
void RPC_ENTRY
NdrFixedArrayBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for a fixed array of any number of
dimensions.
Used for FC_SMFARRAY and FC_LGFARRAY.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the array being sized.
pFormat - Array's format string description.
Return :
None.
--*/
{
LENGTH_ALIGN(pStubMsg->BufferLength,pFormat[1]);
if ( *pFormat == FC_SMFARRAY )
{
pFormat += 2;
pStubMsg->BufferLength += *((ushort *&)pFormat)++;
}
else
{
pFormat += 2;
pStubMsg->BufferLength += *((ulong UNALIGNED *&)pFormat)++;
}
if ( *pFormat == FC_PP )
{
NdrpEmbeddedPointerBufferSize( pStubMsg,
pMemory,
pFormat );
}
}
void RPC_ENTRY
NdrConformantArrayBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for a top level one dimensional conformant
array.
Used for FC_CARRAY.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the array being sized.
pFormat - Array's format string description.
Return :
None.
--*/
{
//
// Align and add size for conformance count.
//
LENGTH_ALIGN(pStubMsg->BufferLength,0x3);
pStubMsg->BufferLength += 4;
NdrpConformantArrayBufferSize( pStubMsg,
pMemory,
pFormat );
}
void
NdrpConformantArrayBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Private routine for computing the buffer size needed for a one dimensional
conformant array. This is the entry point for unmarshalling an embedded
conformant array.
Used for FC_CARRAY.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the array being sized.
pFormat - Array's format string description.
Return :
None.
--*/
{
ulong ConformanceCount;
ConformanceCount = (ulong) NdrpComputeConformance( pStubMsg,
pMemory,
pFormat );
if ( ((long)ConformanceCount) < 0 )
RpcRaiseException( RPC_X_INVALID_BOUND );
if ( ! ConformanceCount )
return;
LENGTH_ALIGN(pStubMsg->BufferLength,pFormat[1]);
pFormat += 2;
// Add array size.
pStubMsg->BufferLength += *((ushort *)pFormat) * ConformanceCount;
pFormat += 6;
CORRELATION_DESC_INCREMENT( pFormat );
if ( *pFormat == FC_PP )
{
NdrpEmbeddedPointerBufferSize( pStubMsg,
pMemory,
pFormat );
}
}
void RPC_ENTRY
NdrConformantVaryingArrayBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for a top level one dimensional conformant
varying array.
Used for FC_CVARRAY.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the array being sized.
pFormat - Array's format string description.
Return :
None.
--*/
{
//
// Align and add size for conformance count.
//
LENGTH_ALIGN(pStubMsg->BufferLength,0x3);
pStubMsg->BufferLength += 4;
NdrpConformantVaryingArrayBufferSize( pStubMsg,
pMemory,
pFormat );
}
void
NdrpConformantVaryingArrayBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Private routine for computing the buffer size needed for a one dimensional
conformant varying array. This is the entry point for buffer sizing an
embedded conformant varying array.
Used for FC_CVARRAY.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the array being sized.
pFormat - Array's format string description.
Return :
None.
--*/
{
ulong ConformanceCount;
//
// Align and add size for offset and actual count.
//
LENGTH_ALIGN(pStubMsg->BufferLength,0x3);
pStubMsg->BufferLength += 8;
NdrpComputeVariance( pStubMsg,
pMemory,
pFormat );
// Check if the bounds are valid
ConformanceCount = (ulong) NdrpComputeConformance( pStubMsg,
pMemory,
pFormat );
if ( ( ((long)ConformanceCount) < 0 ) ||
( ((long)pStubMsg->ActualCount) < 0 ) ||
( ((long)pStubMsg->Offset) < 0 ) ||
( (pStubMsg->Offset + pStubMsg->ActualCount) > ConformanceCount ) )
RpcRaiseException( RPC_X_INVALID_BOUND );
if ( ! pStubMsg->ActualCount )
return;
LENGTH_ALIGN(pStubMsg->BufferLength, pFormat[1]);
pFormat += 2;
// Add array size.
pStubMsg->BufferLength += *((ushort *)pFormat) * pStubMsg->ActualCount;
pFormat += 10;
CORRELATION_DESC_INCREMENT( pFormat );
CORRELATION_DESC_INCREMENT( pFormat );
if ( *pFormat == FC_PP )
{
//
// MaxCount must contain the number of shipped elements in the array
// before sizing embedded pointers.
//
pStubMsg->MaxCount = pStubMsg->ActualCount;
NdrpEmbeddedPointerBufferSize( pStubMsg,
pMemory,
pFormat );
}
}
void RPC_ENTRY
NdrVaryingArrayBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for a top level or embedded one
dimensional varying array.
Used for FC_SMVARRAY and FC_LGVARRAY.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the array being sized.
pFormat - Array's format string description.
Return :
None.
Arguments :
pMemory - pointer to the parameter to size
pFormat - pointer to the format string description of the parameter
--*/
{
ulong Elements;
ulong ElementSize;
//
// Align and add size for offset and actual count.
//
LENGTH_ALIGN(pStubMsg->BufferLength,0x3);
pStubMsg->BufferLength += 8;
NdrpComputeVariance( pStubMsg,
pMemory,
pFormat );
// Check if the bounds are valid
Elements =
(*pFormat == FC_SMVARRAY) ?
*((ushort *)(pFormat + 4)) : *((ulong UNALIGNED *)(pFormat + 6));
if ( ( ((long)pStubMsg->ActualCount) < 0 ) ||
( ((long)pStubMsg->Offset) < 0 ) ||
( (pStubMsg->Offset + pStubMsg->ActualCount) > Elements ) )
RpcRaiseException( RPC_X_INVALID_BOUND );
if ( ! pStubMsg->ActualCount )
return;
LENGTH_ALIGN(pStubMsg->BufferLength, pFormat[1]);
if (*pFormat == FC_SMVARRAY)
{
ElementSize = *((ushort *)(pFormat + 6));
pFormat += 12;
}
else
{
ElementSize = *((ushort *)(pFormat + 10));
pFormat += 16;
}
CORRELATION_DESC_INCREMENT( pFormat );
pStubMsg->BufferLength += ElementSize * pStubMsg->ActualCount;
if ( *pFormat == FC_PP )
{
//
// MaxCount must contain the number of shipped elements in the array
// before sizing embedded pointers.
//
pStubMsg->MaxCount = pStubMsg->ActualCount;
NdrpEmbeddedPointerBufferSize( pStubMsg,
pMemory,
pFormat );
}
}
void RPC_ENTRY
NdrComplexArrayBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for a top level complex array.
Used for FC_BOGUS_STRUCT.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the array being sized.
pFormat - Array's format string description.
Return :
None.
Note.
Array of ref pointers does not have wire representation for the pointers
themselves, regardless whether array is top level or embedded in a struct.
--*/
{
bool fSetPointerBufferMark = !pStubMsg->IgnoreEmbeddedPointers &&
(! pStubMsg->PointerBufferMark );
if ( fSetPointerBufferMark )
{
//
// Save the current conformance and variance fields. The sizing
// routine can overwrite them.
//
ULONG_PTR MaxCountSave = pStubMsg->MaxCount;
ulong OffsetSave = pStubMsg->Offset;
ulong ActualCountSave = pStubMsg->ActualCount;
ulong BufferLengthSave = pStubMsg->BufferLength;
pStubMsg->IgnoreEmbeddedPointers = TRUE;
NdrComplexArrayBufferSize( pStubMsg,
pMemory,
pFormat );
// If the size of the flat part is zero and this is the first item to be
// marshalled, add a small offset to the buffer so that we can continue
// to use PointerBufferMark as an is embedded flag.
if ( !pStubMsg->BufferLength)
{
pStubMsg->BufferLength += NDR_MAX_BUFFER_ALIGNMENT;
BufferLengthSave += NDR_MAX_BUFFER_ALIGNMENT;
}
pStubMsg->PointerBufferMark = (uchar *) UlongToPtr(pStubMsg->BufferLength);
pStubMsg->IgnoreEmbeddedPointers = FALSE;
// Restore conformance and variance fields.
pStubMsg->MaxCount = MaxCountSave;
pStubMsg->Offset = OffsetSave;
pStubMsg->ActualCount = ActualCountSave;
pStubMsg->BufferLength = BufferLengthSave;
}
//
// Add in conformance sizes if we are the outermost dimension.
//
if ( pStubMsg->pArrayInfo == 0 )
{
//
// Align and add size for any conformance count(s).
//
if ( *((long UNALIGNED *)(pFormat + 4)) != 0xffffffff )
{
LENGTH_ALIGN(pStubMsg->BufferLength,0x3);
pStubMsg->BufferLength += NdrpArrayDimensions( pStubMsg, pFormat, FALSE ) * 4;
}
}
NdrpComplexArrayBufferSize( pStubMsg,
pMemory,
pFormat );
if ( fSetPointerBufferMark )
{
pStubMsg->BufferLength = PtrToUlong(pStubMsg->PointerBufferMark);
pStubMsg->PointerBufferMark = NULL;
}
}
void
NdrpComplexArrayBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Private routine for determing the buffer size of a complex array. This
is the entry point for buffer sizing an embedded complex array.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the array being sized.
pFormat - Array's format string description.
Return :
None.
--*/
{
ARRAY_INFO ArrayInfo;
PARRAY_INFO pArrayInfo;
PSIZE_ROUTINE pfnSize;
PFORMAT_STRING pFormatStart;
ulong Elements;
ulong Offset, Count;
ulong MemoryElementSize;
long Dimension;
uchar Alignment;
//
// Lots of setup if we are the outer dimension.
//
if ( ! pStubMsg->pArrayInfo )
{
pStubMsg->pArrayInfo = &ArrayInfo;
ArrayInfo.Dimension = 0;
//
// Set this to 0 so that NdrpMemoryIncrement will know to call
// NdrpComputeConformance when computing our size.
//
ArrayInfo.BufferConformanceMark = 0;
ArrayInfo.MaxCountArray = (unsigned long *) pStubMsg->MaxCount;
ArrayInfo.OffsetArray = (ulong *) UlongToPtr( pStubMsg->Offset );
ArrayInfo.ActualCountArray = (ulong *) UlongToPtr( pStubMsg->ActualCount );
}
pFormatStart = pFormat;
pArrayInfo = pStubMsg->pArrayInfo;
Dimension = pArrayInfo->Dimension;
// Get the array alignment.
Alignment = pFormat[1];
pFormat += 2;
// Get the number of elements (0 if conformance present).
Elements = *((ushort *&)pFormat)++;
//
// Check for conformance description.
//
if ( *((long UNALIGNED *)pFormat) != 0xffffffff )
{
Elements = (ulong) NdrpComputeConformance( pStubMsg,
pMemory,
pFormatStart );
}
pFormat += 4;
CORRELATION_DESC_INCREMENT( pFormat );
//
// Check for variance description.
//
if ( *((long UNALIGNED *)pFormat) != 0xffffffff )
{
NdrpComputeVariance( pStubMsg,
pMemory,
pFormatStart );
Offset = pStubMsg->Offset;
Count = pStubMsg->ActualCount;
if ( Dimension == 0 )
{
//
// Align and add in size of variance count(s).
//
LENGTH_ALIGN(pStubMsg->BufferLength,0x3);
pStubMsg->BufferLength +=
NdrpArrayDimensions( pStubMsg, pFormatStart, TRUE ) * 8;
}
}
else
{
Offset = 0;
Count = Elements;
}
pFormat += 4;
CORRELATION_DESC_INCREMENT( pFormat );
// Check bounds
if ( ( ((long)Elements) < 0 ) ||
( ((long)Count) < 0 ) ||
( ((long)Offset) < 0 ) ||
( (Offset + Count) > Elements ) )
RpcRaiseException( RPC_X_INVALID_BOUND );
if ( Count )
{
LENGTH_ALIGN( pStubMsg->BufferLength, Alignment );
if ( *pFormat == FC_EMBEDDED_COMPLEX )
{
ulong CountSave;
uchar* pMemorySave;
PFORMAT_STRING pFormatSave;
pFormat += 2;
pFormat += *((signed short *)pFormat);
if ( FC_IP == *pFormat )
goto PointerSizing;
pfnSize = pfnSizeRoutines[ROUTINE_INDEX(*pFormat)];
pArrayInfo->Dimension = Dimension + 1;
MemoryElementSize = (ulong) ( NdrpMemoryIncrement( pStubMsg,
pMemory,
pFormat ) - pMemory );
if ( ! IS_ARRAY_OR_STRING(*pFormat) )
pStubMsg->pArrayInfo = 0;
//
// If there is variance then increment the memory pointer to the first
// element actually being sized.
//
if ( Offset )
pMemory += Offset * MemoryElementSize;
pFormatSave = pFormat;
pMemorySave = pMemory;
CountSave = Count;
for ( ; Count--; )
{
// Keep track of multidimensional array dimension.
if ( IS_ARRAY_OR_STRING(*pFormat) )
pArrayInfo->Dimension = Dimension + 1;
(*pfnSize)( pStubMsg,
pMemory,
pFormat );
pMemory += MemoryElementSize;
}
pMemory += MemoryElementSize;
}
else if ( *pFormat == FC_UP || *pFormat == FC_FP || *pFormat == FC_OP || *pFormat == FC_RP ||
*pFormat == FC_IP )
{
PointerSizing:
//
// Shallow size the array
//
if ( *pFormat != FC_RP )
{
pStubMsg->BufferLength += Count * PTR_WIRE_SIZE;
}
//
// If there is variance then increment the memory pointer to the first
// element actually being sized.
//
if ( Offset )
pMemory += Offset * PTR_MEM_SIZE;
//
// size the pointees
//
if ( !pStubMsg->IgnoreEmbeddedPointers )
{
bool UseBrokenInterfacePointerRep =
(FC_IP == *pFormat) && !FixWireRepForDComVerGTE54( pStubMsg );
// If this is the broken interface pointer format, make sure we
// have enough space for both the pointer and pointee where
// the pointer should have been.
if ( UseBrokenInterfacePointerRep )
SET_BROKEN_INTERFACE_POINTER( pStubMsg->uFlags );
// Need this in case we have a variant offset.
pStubMsg->pArrayInfo = 0;
// Switch to the pointee buffer.
POINTER_BUFFERLENGTH_SWAP_CONTEXT SwapContext( pStubMsg );
for ( ; Count--; )
{
NdrpPointerBufferSize(
pStubMsg,
*((uchar **&)pMemory)++,
pFormat );
}
if ( UseBrokenInterfacePointerRep )
RESET_BROKEN_INTERFACE_POINTER( pStubMsg->uFlags );
}
}
else if (*pFormat == FC_RANGE )
{
pStubMsg->BufferLength += Count * SIMPLE_TYPE_BUFSIZE( pFormat[1] );
}
else
{
NDR_ASSERT( IS_SIMPLE_TYPE(*pFormat), "NdrpComplexArrayBufferSize : bad format char" );
pStubMsg->BufferLength += Count * SIMPLE_TYPE_BUFSIZE(*pFormat);
}
}
// pArrayInfo must be zero when not valid.
pStubMsg->pArrayInfo = (Dimension == 0) ? 0 : pArrayInfo;
}
void RPC_ENTRY
NdrNonConformantStringBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for a non conformant string.
Used for FC_CSTRING, FC_WSTRING, FC_SSTRING, and FC_BSTRING (NT Beta2
compatability only).
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the array being sized.
pFormat - Array's format string description.
Return :
None.
--*/
{
long MaxSize;
long Length;
// Align and add size for variance counts.
LENGTH_ALIGN(pStubMsg->BufferLength,0x3);
pStubMsg->BufferLength += 8;
switch ( *pFormat )
{
case FC_CSTRING :
case FC_BSTRING :
Length = strlen((char*)pMemory) + 1;
break;
case FC_WSTRING :
Length = (wcslen((wchar_t *)pMemory) + 1) * sizeof(wchar_t);
break;
case FC_SSTRING :
Length = NdrpStringStructLen( pMemory, pFormat[1] ) + 1;
Length *= pFormat[1];
break;
default :
NDR_ASSERT(0,"NdrNonConformantStringBufferSize : Bad format type");
RpcRaiseException( RPC_S_INTERNAL_ERROR );
return;
}
// Check bounds
MaxSize = *((ushort *)(pFormat + 2));
switch ( *pFormat )
{
case FC_WSTRING :
MaxSize *= sizeof(wchar_t);
break;
case FC_SSTRING :
MaxSize *= pFormat[1];
break;
default :
break;
}
if ( Length > MaxSize )
RpcRaiseException(RPC_X_INVALID_BOUND);
pStubMsg->BufferLength += Length;
}
void RPC_ENTRY
NdrConformantStringBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for a top level conformant string.
Used for FC_C_CSTRING, FC_C_WSTRING, FC_C_SSTRING, and FC_C_BSTRING
(NT Beta2 compatability only).
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the array being sized.
pFormat - Array's format string description.
Return :
None.
--*/
{
//
// Add in size for conformance marshalling only if this string is not
// in a multidimensional array.
//
if ( pStubMsg->pArrayInfo == 0 )
{
// Align and add size for conformance count.
LENGTH_ALIGN(pStubMsg->BufferLength,0x3);
pStubMsg->BufferLength += 4;
}
NdrpConformantStringBufferSize( pStubMsg,
pMemory,
pFormat );
}
void
NdrpConformantStringBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Private routine for computing the buffer size needed for a conformant
string. This is the entry point for an embedded conformant string.
Used for FC_C_CSTRING, FC_C_WSTRING, FC_C_SSTRING, and FC_C_BSTRING
(NT Beta2 compatability only).
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the array being sized.
pFormat - Array's format string description.
Return :
None.
--*/
{
long MaxSize;
long Length;
// Align and add size for variance.
LENGTH_ALIGN(pStubMsg->BufferLength,0x3);
pStubMsg->BufferLength += 8;
switch ( *pFormat )
{
case FC_C_CSTRING :
case FC_C_BSTRING :
Length = strlen((char*)pMemory) + 1;
break;
case FC_C_WSTRING :
Length = (wcslen((wchar_t *)pMemory) + 1) * sizeof(wchar_t);
break;
case FC_C_SSTRING :
Length = NdrpStringStructLen( pMemory, pFormat[1] ) + 1;
Length *= pFormat[1];
break;
default :
NDR_ASSERT(0,"NdrpConformantStringBufferSize : Bad format type");
RpcRaiseException( RPC_S_INTERNAL_ERROR );
return;
}
//
// Do bounds checking.
//
if ( ((*pFormat != FC_C_SSTRING) && (pFormat[1] == FC_STRING_SIZED)) ||
((*pFormat == FC_C_SSTRING) && (pFormat[2] == FC_STRING_SIZED)) )
{
MaxSize = (ulong) NdrpComputeConformance( pStubMsg,
pMemory,
pFormat );
switch ( *pFormat )
{
case FC_C_WSTRING :
MaxSize *= sizeof(wchar_t);
break;
case FC_C_SSTRING :
MaxSize *= pFormat[1];
break;
default :
break;
}
if ( (MaxSize < 0) || (Length > MaxSize) )
RpcRaiseException(RPC_X_INVALID_BOUND);
}
pStubMsg->BufferLength += Length;
}
void RPC_ENTRY
NdrEncapsulatedUnionBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for an encapsulated union.
Used for FC_ENCAPSULATED_UNION.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the union being sized.
pFormat - Union's format string description.
Return :
None.
--*/
{
long SwitchIs;
uchar SwitchType;
NO_CORRELATION;
SwitchType = LOW_NIBBLE(pFormat[1]);
switch ( SwitchType )
{
case FC_SMALL :
case FC_CHAR :
SwitchIs = (long) *((char *)pMemory);
break;
case FC_USMALL :
SwitchIs = (long) *((uchar *)pMemory);
break;
case FC_ENUM16 :
case FC_SHORT :
SwitchIs = (long) *((short *)pMemory);
break;
case FC_USHORT :
case FC_WCHAR :
SwitchIs = (long) *((ushort *)pMemory);
break;
case FC_LONG :
case FC_ULONG :
case FC_ENUM32 :
// FC_INT3264 is mapped to FC_LONG.
SwitchIs = *((long *)pMemory);
break;
default :
NDR_ASSERT(0,"NdrEncapsulatedBufferSize : bad switch type");
RpcRaiseException( RPC_S_INTERNAL_ERROR );
return;
}
// Increment memory pointer to the union.
pMemory += HIGH_NIBBLE(pFormat[1]);
NdrpUnionBufferSize( pStubMsg,
pMemory,
pFormat + 2,
SwitchIs,
SwitchType );
}
void RPC_ENTRY
NdrNonEncapsulatedUnionBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for a non encapsulated union.
Used for FC_NON_ENCAPSULATED_UNION.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the union being sized.
pFormat - Union's format string description.
Return :
None.
--*/
{
long SwitchIs;
uchar SwitchType;
SwitchType = pFormat[1];
SwitchIs = (ulong) NdrpComputeSwitchIs( pStubMsg,
pMemory,
pFormat );
//
// Set the format string to the memory size and arm description.
//
pFormat += 6;
CORRELATION_DESC_INCREMENT( pFormat );
pFormat += *((signed short *)pFormat);
NdrpUnionBufferSize( pStubMsg,
pMemory,
pFormat,
SwitchIs,
SwitchType );
}
void
NdrpUnionBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat,
long SwitchIs,
uchar SwitchType )
/*++
Routine Description :
Private routine for computing the buffer size needed for a union. This
routine is used for sizing both encapsulated and non-encapsulated unions.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the union being sized.
pFormat - Union's format string description.
SwitchIs - The union's switch is.
SwitchType - The union's switch type.
Return :
None.
--*/
{
long Arms;
long Alignment;
//
// Size the switch_is.
//
LENGTH_ALIGN(pStubMsg->BufferLength,SIMPLE_TYPE_ALIGNMENT(SwitchType));
pStubMsg->BufferLength += SIMPLE_TYPE_BUFSIZE(SwitchType);
// Skip the memory size field.
pFormat += 2;
//
// Get the union alignment (0 if this is a DCE union) and align the
// buffer on this alignment.
//
Alignment = (uchar) ( *((ushort *)pFormat) >> 12 );
LENGTH_ALIGN(pStubMsg->BufferLength,Alignment);
Arms = (long) ( *((ushort *&)pFormat)++ & 0x0fff );
//
// Search for the arm.
//
for ( ; Arms; Arms-- )
{
if ( *((long UNALIGNED *&)pFormat)++ == SwitchIs )
{
//
// Found the right arm, break out.
//
break;
}
// Else increment format string.
pFormat += 2;
}
//
// Check if we took the default arm and no default arm is specified.
//
if ( ! Arms && (*((ushort *)pFormat) == (ushort) 0xffff) )
{
RpcRaiseException( RPC_S_INVALID_TAG );
}
//
// Return if the arm is empty.
//
if ( ! *((ushort *)pFormat) )
return;
//
// Get the arm's description.
//
// We need a real solution after beta for simple type arms. This could
// break if we have a format string larger than about 32K.
//
if ( IS_MAGIC_UNION_BYTE(pFormat) )
{
// Re-align again, only does something usefull for DCE unions.
unsigned char FcType = pFormat[0];
LENGTH_ALIGN( pStubMsg->BufferLength, SIMPLE_TYPE_ALIGNMENT( FcType ));
pStubMsg->BufferLength += SIMPLE_TYPE_BUFSIZE( FcType );
}
else
{
pFormat += *((signed short *)pFormat);
//
// If the union arm we take is a pointer, we have to dereference the
// current memory pointer since we're passed a pointer to the union
// (regardless of whether the actual parameter was a by-value union
// or a pointer to a union).
//
if ( IS_POINTER_TYPE(*pFormat) )
{
if ( pStubMsg->IgnoreEmbeddedPointers )
{
//
// If we're ignoring pointers then just add in the size of a pointer
// here and return.
//
LENGTH_ALIGN(pStubMsg->BufferLength,0x3);
pStubMsg->BufferLength += PTR_WIRE_SIZE;
return;
}
pMemory = *((uchar **)pMemory);
if ( pStubMsg->PointerBufferMark )
{
// If the union is embedded, tread it specially
LENGTH_ALIGN(pStubMsg->BufferLength,0x3);
pStubMsg->BufferLength += PTR_WIRE_SIZE;
if ( !pStubMsg->IgnoreEmbeddedPointers )
{
POINTER_BUFFERLENGTH_SWAP_CONTEXT SwapContext(pStubMsg);
NdrpPointerBufferSize( pStubMsg,
pMemory,
pFormat );
}
return;
}
}
// Call the appropriate sizing routine
(*pfnSizeRoutines[ROUTINE_INDEX(*pFormat)])( pStubMsg,
pMemory,
pFormat );
}
}
void RPC_ENTRY
NdrByteCountPointerBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for a byte count pointer.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - The byte count pointer being sized.
pFormat - Byte count pointer's format string description.
Return :
None.
--*/
{
//
// We don't do anything special here. Just pass things on to the
// right sizing routine.
//
if ( pFormat[1] != FC_PAD )
{
SIMPLE_TYPE_BUF_INCREMENT(pStubMsg->BufferLength, pFormat[1]);
}
else
{
pFormat += 6;
CORRELATION_DESC_INCREMENT( pFormat );
pFormat += *((signed short *)pFormat);
(*pfnSizeRoutines[ROUTINE_INDEX(*pFormat)])( pStubMsg,
pMemory,
pFormat );
}
}
void RPC_ENTRY
NdrXmitOrRepAsBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for a transmit as or represent as object.
See mrshl.c for the description of the FC layout.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the transmit/represent as object being sized.
pFormat - Object's format string description.
Return :
None.
--*/
{
const XMIT_ROUTINE_QUINTUPLE * pQuintuple;
unsigned short QIndex, XmitTypeSize;
BOOL fXmitByPtr = *pFormat == FC_TRANSMIT_AS_PTR ||
*pFormat == FC_REPRESENT_AS_PTR;
// Fetch the QuintupleIndex.
QIndex = *(unsigned short *)(pFormat + 2);
// We size the transmitted object, of course.
pFormat += 6;
XmitTypeSize = *((unsigned short *)pFormat);
pQuintuple = pStubMsg->StubDesc->aXmitQuintuple;
if ( XmitTypeSize )
{
// lower nibble of the flag word has the alignment
unsigned long Align = LOW_NIBBLE(*(pFormat - 5));
LENGTH_ALIGN( pStubMsg->BufferLength, Align );
pStubMsg->BufferLength += XmitTypeSize;
}
else
{
// We have to create an object to size it.
unsigned char * pTransmittedType;
// First translate the presented type into the transmitted type.
// This includes an allocation of a transmitted type object.
pStubMsg->pPresentedType = pMemory;
pStubMsg->pTransmitType = NULL;
pQuintuple[ QIndex ].pfnTranslateToXmit( pStubMsg );
// bufsize the transmitted type.
pFormat += 2;
pFormat = pFormat + *(short *)pFormat;
pTransmittedType = pStubMsg->pTransmitType;
// If transmitted type is a pointer, dereference it.
{
// Set the current queue to NULL so that all the embedded
// pointers in the transmitted type will be sized together
uchar *PointerBufferMarkSave = pStubMsg->PointerBufferMark;
pStubMsg->PointerBufferMark = 0;
NDR_POINTER_QUEUE *pOldQueue = NULL;
if ( pStubMsg->pPointerQueueState )
{
pOldQueue = pStubMsg->pPointerQueueState->GetActiveQueue();
pStubMsg->pPointerQueueState->SetActiveQueue(NULL);
}
RpcTryFinally
{
(*pfnSizeRoutines[ ROUTINE_INDEX(*pFormat) ])
( pStubMsg,
fXmitByPtr ? *(uchar **)pTransmittedType
: pTransmittedType,
pFormat );
}
RpcFinally
{
pStubMsg->PointerBufferMark = PointerBufferMarkSave;
if ( pStubMsg->pPointerQueueState )
{
pStubMsg->pPointerQueueState->SetActiveQueue(pOldQueue);
}
}
RpcEndFinally
}
pStubMsg->pTransmitType = pTransmittedType;
// Free the temporary transmitted object (it was alloc'ed by the user).
pQuintuple[ QIndex ].pfnFreeXmit( pStubMsg );
}
}
void
NdrpUserMarshalBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for a usr_marshall object.
See mrshl.c for the description of the FC layout and wire layout.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the usr_marshall object to buffer size.
pFormat - Object's format string description.
Return :
None.
--*/
{
const USER_MARSHAL_ROUTINE_QUADRUPLE * pQuadruple;
unsigned short QIndex;
unsigned long UserOffset;
USER_MARSHAL_CB UserMarshalCB;
if ( pFormat[1] & USER_MARSHAL_POINTER )
{
// This is an overestimate to correct the size generated
// by MIDL's state machine for sizing arguments.
// The maximum alignment gap VARIANT might consume is 11:
// 4 for the leading pad between unique pointer and wireVARIANT,
// and 7 bytes if variant is a BSTR, and following parameter is
// a CY (stuff that's aligned to 8).
// MZ: Since were overcompensating here, just make this something
// reasonable like 0x10 which is probably a good max alignment.
pStubMsg->BufferLength += 0x10;
}
// We are here to size a flat object or a pointee object.
// Optimization: if we know the wire size, don't call the user to size it.
if ( *(unsigned short *)(pFormat + 6) != 0 )
{
pStubMsg->BufferLength += *(unsigned short *)(pFormat + 6);
}
else
{
// Unknown wire size: Call the user to size his stuff.
NdrpInitUserMarshalCB( pStubMsg,
pFormat,
USER_MARSHAL_CB_BUFFER_SIZE,
& UserMarshalCB);
UserOffset = pStubMsg->BufferLength;
QIndex = *(unsigned short *)(pFormat + 2);
pQuadruple = pStubMsg->StubDesc->aUserMarshalQuadruple;
UserOffset = pQuadruple[ QIndex ].pfnBufferSize( (ulong*) &UserMarshalCB,
UserOffset,
pMemory );
pStubMsg->BufferLength = UserOffset;
}
}
void
NDR_USR_MRSHL_BUFSIZE_POINTER_QUEUE_ELEMENT::Dispatch(MIDL_STUB_MESSAGE *pStubMsg)
{
NdrpUserMarshalBufferSize( pStubMsg,
pMemory,
pFormat );
}
#if defined(DBG)
void
NDR_USR_MRSHL_BUFSIZE_POINTER_QUEUE_ELEMENT::Print()
{
DbgPrint("NDR_USR_MRSHL_BUFSIZE_POINTER_QUEUE_ELEMENT\n");
DbgPrint("pMemory: %p\n", pMemory );
DbgPrint("pFormat: %p\n", pFormat );
}
#endif
void RPC_ENTRY
NdrUserMarshalBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
{
// Check if the object is embedded.
// Pointer buffer mark is set only when in a complex struct or array.
// For unions, when the union is embedded in a complex struct or array.
// If the union is top level, it's the same like a top level object.
// For unique pointers we don't have to check embedding, we always add 4.
// For ref pointer we need to check embedding.
// Align for the flat object or a pointer to the user object.
LENGTH_ALIGN( pStubMsg->BufferLength, LOW_NIBBLE(pFormat[1]) );
if ( pFormat[1] & USER_MARSHAL_POINTER )
{
if ( (pFormat[1] & USER_MARSHAL_UNIQUE) ||
((pFormat[1] & USER_MARSHAL_REF) && pStubMsg->PointerBufferMark) )
{
pStubMsg->BufferLength += PTR_WIRE_SIZE;
}
if ( pStubMsg->IgnoreEmbeddedPointers )
return;
POINTER_BUFFERLENGTH_SWAP_CONTEXT SwapContext( pStubMsg );
if ( !pStubMsg->pPointerQueueState ||
!pStubMsg->pPointerQueueState->GetActiveQueue() )
{
NdrpUserMarshalBufferSize(
pStubMsg,
pMemory,
pFormat );
}
else
{
NDR_USR_MRSHL_BUFSIZE_POINTER_QUEUE_ELEMENT*pElement =
new(pStubMsg->pPointerQueueState)
NDR_USR_MRSHL_BUFSIZE_POINTER_QUEUE_ELEMENT(pMemory,
pFormat);
pStubMsg->pPointerQueueState->GetActiveQueue()->Enque( pElement );
}
return;
}
NdrpUserMarshalBufferSize( pStubMsg,
pMemory,
pFormat );
}
void
NdrpInterfacePointerBufferSize (
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for an interface pointer.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - The interface pointer being sized.
pFormat - Interface pointer's format string description.
Return :
None.
--*/
{
IID iid;
IID *piid;
unsigned long size = 0;
HRESULT hr;
//
// Get an IID pointer.
//
if ( pFormat[1] != FC_CONSTANT_IID )
{
//
// We do it same way as we compute variance with a long.
//
piid = (IID *) NdrpComputeIIDPointer( pStubMsg,
pMemory,
pFormat );
if(piid == 0)
RpcRaiseException( RPC_S_INVALID_ARG );
}
else
{
//
// The IID may not be aligned properly in the format string,
// so we copy it to a local variable.
//
piid = &iid;
RpcpMemoryCopy( &iid, &pFormat[2], sizeof(iid) );
}
// Allocate space for the length and array bounds.
LENGTH_ALIGN(pStubMsg->BufferLength,0x3);
pStubMsg->BufferLength += sizeof(unsigned long) + sizeof(unsigned long);
hr = (*pfnCoGetMarshalSizeMax)(&size, *piid, (IUnknown *)pMemory, pStubMsg->dwDestContext, pStubMsg->pvDestContext, 0);
if(FAILED(hr))
{
RpcRaiseException(hr);
}
pStubMsg->BufferLength += size;
}
void RPC_ENTRY
NdrInterfacePointerBufferSize (
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
{
// This function is called only for toplevel interface pointers and
// backward compatibity
LENGTH_ALIGN(pStubMsg->BufferLength,0x3);
pStubMsg->BufferLength += PTR_WIRE_SIZE;
if ( pStubMsg->IgnoreEmbeddedPointers )
return;
// If the pointer is null, we counted everything.
if ( pMemory == 0 )
return;
NdrpInterfacePointerBufferSize( pStubMsg,
pMemory,
pFormat );
}
void
NdrpEmbeddedPointerBufferSize (
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Private routine for computing the buffer size needed for a structure's
or array's embedded pointers.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the embedding structure or array.
pFormat - Format string pointer layout description.
Return :
None.
--*/
{
if ( pStubMsg->IgnoreEmbeddedPointers )
return;
POINTER_BUFFERLENGTH_SWAP_CONTEXT SwapContext( pStubMsg );
void ** ppMemPtr;
uchar * pMemorySave;
ULONG_PTR MaxCountSave;
long OffsetSave;
MaxCountSave = pStubMsg->MaxCount;
OffsetSave = pStubMsg->Offset;
pMemorySave = pStubMsg->Memory;
// Set new memory context.
pStubMsg->Memory = pMemory;
//
// Increment past the FC_PP and pad.
//
pFormat += 2;
for (;;)
{
if ( *pFormat == FC_END )
{
pStubMsg->Memory = pMemorySave;
break;
}
//
// Check for FC_FIXED_REPEAT or FC_VARIABLE_REPEAT.
//
if ( *pFormat != FC_NO_REPEAT )
{
pStubMsg->MaxCount = MaxCountSave;
pStubMsg->Offset = OffsetSave;
NdrpEmbeddedRepeatPointerBufferSize( pStubMsg,
pMemory,
&pFormat );
// Continue to the next pointer.
continue;
}
// Compute the pointer to the pointer in memory to size.
ppMemPtr = (void **) (pMemory + *((signed short *)(pFormat + 2)));
// Increment to the pointer description.
pFormat += 6;
NdrpPointerBufferSize(
pStubMsg,
(uchar*)*ppMemPtr,
pFormat );
// Increment past pointer description.
pFormat += 4;
}
}
void
NdrpEmbeddedRepeatPointerBufferSize (
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING * ppFormat )
/*++
Routine Description :
Private routine for computing the buffer size needed for an array's
embedded pointers.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the embedding array.
pFormat - The array's format string pointer layout description.
Return :
None.
--*/
{
uchar ** ppMemPtr;
PFORMAT_STRING pFormat;
PFORMAT_STRING pFormatSave;
uchar * pMemorySave;
ulong RepeatCount,RepeatIncrement, Pointers, PointersSave;
pMemorySave = pStubMsg->Memory;
// Get current format string pointer.
pFormat = *ppFormat;
switch ( *pFormat )
{
case FC_FIXED_REPEAT :
// Increment past the FC_FIXED_REPEAT and FC_PAD.
pFormat += 2;
// Get the total number of times to repeat the pointer marshall.
RepeatCount = *((ushort *&)pFormat)++;
break;
case FC_VARIABLE_REPEAT :
// Get the total number of times to repeat the pointer marshall.
RepeatCount = (ulong)pStubMsg->MaxCount;
//
// Check if this variable repeat instance also has a variable
// offset (this would be the case for a conformant varying array
// of pointers). If so then increment the memory pointer to point
// to the actual first array element which is being marshalled.
//
if ( pFormat[1] == FC_VARIABLE_OFFSET )
pMemory += *((ushort *)(pFormat + 2)) * pStubMsg->Offset;
// else pFormat[1] == FC_FIXED_OFFSET - do nothing
// Increment past the FC_VARIABLE_REPEAT and FC_PAD.
pFormat += 2;
break;
default :
NDR_ASSERT(0,"NdrpEmbeddedRepeatPointerMarshall : bad format char");
RpcRaiseException( RPC_S_INTERNAL_ERROR );
return;
}
// Get the increment amount between successive pointers.
RepeatIncrement = *((ushort *&)pFormat)++;
//
// Add the offset to the beginning of this array to the Memory
// pointer. This is the offset from any currently embedding structure
// to the array whose pointers we're marshalling.
//
pStubMsg->Memory += *((ushort *&)pFormat)++;
// Get the number of pointers in this repeat instance.
PointersSave = Pointers = *((ushort *&)pFormat)++;
pFormatSave = pFormat;
//
// Loop over the number of elements in the array.
//
for ( ; RepeatCount--;
pMemory += RepeatIncrement,
pStubMsg->Memory += RepeatIncrement )
{
pFormat = pFormatSave;
Pointers = PointersSave;
//
// Loop over the number of pointers in each array element (this can
// be greater than one if we have an array of structures).
//
for ( ; Pointers--; )
{
// Pointer to the pointer in memory.
ppMemPtr = (uchar **)(pMemory + *((signed short *)pFormat));
// Increment to pointer description.
pFormat += 4;
NdrpPointerBufferSize(
pStubMsg,
(uchar*)*ppMemPtr,
pFormat );
// Increment to the next pointer description.
pFormat += 4;
}
}
// Update format string pointer past this repeat pointer description.
*ppFormat = pFormatSave + PointersSave * 8;
pStubMsg->Memory = pMemorySave;
}
void RPC_ENTRY
NdrContextHandleSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for a context handle.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Ignored.
pFormat - Ignored.
Return :
None.
--*/
{
LENGTH_ALIGN(pStubMsg->BufferLength,0x3);
pStubMsg->BufferLength += CONTEXT_HANDLE_WIRE_SIZE;
}
#ifdef _CS_CHAR_
void RPC_ENTRY
NdrCsTagBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for a cs tag param. Also copies the
sending tag value to the stub message for use by NdrCsArrayXXX.
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the embedding array.
pFormat - Pointer to the FC_CSTAG entry in the format string.
Return :
None.
--*/
{
// We need to set the tag in the stub message so that we can properly
// size subsequent cs_char arrays.
NdrpGetSetCSTagMarshall( pStubMsg, pMemory, (NDR_CS_TAG_FORMAT *) pFormat);
LENGTH_ALIGN( pStubMsg->BufferLength, 3 );
pStubMsg->BufferLength += sizeof( unsigned long );
}
void RPC_ENTRY
NdrCsArrayBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
uchar * pMemory,
PFORMAT_STRING pFormat )
/*++
Routine Description :
Computes the buffer size needed for a cs_char array
Arguments :
pStubMsg - Pointer to the stub message.
pMemory - Pointer to the embedding array.
pFormat - Pointer to the FC_CSARRAY entry in the format string.
Return :
None.
--*/
{
NDR_CS_ARRAY_FORMAT *pCSFormat = (NDR_CS_ARRAY_FORMAT *) pFormat;
ulong Size;
ulong Length;
ulong WireSize;
NDR_ASSERT( NULL != pStubMsg->pCSInfo, "cs_char stub info not set up");
// Skip pFormat to the underlying array descriptor
pFormat += pCSFormat->DescriptionOffset;
// Leave room for the max count / offset / actual count
if ( NdrpIsVaryingArray( pFormat ) )
{
LENGTH_ALIGN( pStubMsg->BufferLength, 3 );
pStubMsg->BufferLength += 8;
}
if ( NdrpIsConformantArray( pFormat ) )
{
LENGTH_ALIGN( pStubMsg->BufferLength, 3 );
pStubMsg->BufferLength += 4;
}
// Get the base size and length
NdrpGetArraySizeLength (
pStubMsg,
pMemory,
pFormat,
1,
(long*)&Size,
(long*)&Length,
(long*)&WireSize );
// Call XXX_net_size to estimate the buffer space required to store this
// array after conversion. For fixed or varying arrays the buffer
// space is equal to the fixed upper bound specified in the idl file.
if ( !NdrpIsVaryingArray( pFormat ) )
{
NDR_CS_SIZE_CONVERT_ROUTINES *CSRoutines;
CS_TYPE_NET_SIZE_ROUTINE SizingRoutine;
IDL_CS_CONVERT ConversionType;
error_status_t Status;
CSRoutines = pStubMsg->StubDesc->CsRoutineTables->pSizeConvertRoutines;
SizingRoutine = CSRoutines[ pCSFormat->CSRoutineIndex ].pfnNetSize;
SizingRoutine(
NULL,
pStubMsg->pCSInfo->WireCodeset,
Size,
(IDL_CS_CONVERT*)&ConversionType,
&Size,
&Status);
if (RPC_S_OK != Status)
RpcRaiseException(Status);
}
pStubMsg->BufferLength += Size;
}
#endif // _CS_CHAR_
void
NdrPartialIgnoreClientBufferSize(
PMIDL_STUB_MESSAGE pStubMsg,
void * pMemory
)
{
LENGTH_ALIGN( pStubMsg->BufferLength, 0x3 );
pStubMsg->Buffer += PTR_WIRE_SIZE;
}
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