You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
191 lines
6.3 KiB
191 lines
6.3 KiB
/*+--------------------------------------------------------------------------*/
|
|
/* */
|
|
/* Microsoft Windows */
|
|
/* Copyright (C) Microsoft Corporation, 1993 */
|
|
/* */
|
|
/* File: propvar.h */
|
|
/* */
|
|
/* Contents: PROPVARIANT manipulation code */
|
|
/* */
|
|
/*---------------------------------------------------------------------------*/
|
|
|
|
#ifndef _PROPVAR_HXX_
|
|
#define _PROPVAR_HXX_
|
|
|
|
#include "propset.hxx"
|
|
|
|
|
|
// forward declarations
|
|
class PMemoryAllocator;
|
|
|
|
SERIALIZEDPROPERTYVALUE *
|
|
RtlConvertVariantToProperty(
|
|
IN PROPVARIANT const *pvar,
|
|
IN USHORT CodePage,
|
|
OUT SERIALIZEDPROPERTYVALUE *pprop,
|
|
IN OUT ULONG *pcb,
|
|
IN PROPID pid,
|
|
IN BOOLEAN fVariantVector,
|
|
OUT NTSTATUS *pstatus);
|
|
|
|
VOID
|
|
RtlConvertPropertyToVariant(
|
|
IN SERIALIZEDPROPERTYVALUE const *pprop,
|
|
IN USHORT CodePage,
|
|
OUT PROPVARIANT *pvar,
|
|
IN PMemoryAllocator *pma,
|
|
OUT NTSTATUS *pstatus);
|
|
|
|
VOID
|
|
CleanupVariants(
|
|
IN PROPVARIANT *pvar,
|
|
IN ULONG cprop,
|
|
IN PMemoryAllocator *pma);
|
|
|
|
/*+--------------------------------------------------------------------------
|
|
Function: SignalOverflow, SignalInvalidParameter, SignalStatus
|
|
|
|
Synopsis: ASSERT and raise data corrupt/overflow/specified error
|
|
|
|
Arguments: [szReason] -- string explanation
|
|
[Status] -- Status to raise (SignalStatus only)
|
|
Returns: None
|
|
+--------------------------------------------------------------------------*/
|
|
|
|
|
|
#define StatusOverflow(pstatus, szReason) \
|
|
*(pstatus) = STATUS_BUFFER_OVERFLOW; \
|
|
TraceStatus(szReason)
|
|
|
|
#define StatusAccessDenied(pstatus, szReason) \
|
|
*(pstatus) = STATUS_ACCESS_DENIED; \
|
|
TraceStatus(szReason);
|
|
|
|
#define StatusInvalidParameter(pstatus, szReason) \
|
|
*(pstatus) = STATUS_INVALID_PARAMETER; \
|
|
TraceStatus(szReason);
|
|
|
|
#define StatusNoMemory(pstatus, szReason) \
|
|
*(pstatus) = STATUS_INSUFFICIENT_RESOURCES;\
|
|
TraceStatus(szReason);
|
|
|
|
#define StatusDiskFull(pstatus, szReason) \
|
|
*(pstatus) = STATUS_DISK_FULL; \
|
|
TraceStatus(szReason);
|
|
|
|
#define StatusError(pstatus, szReason, Status) \
|
|
*(pstatus) = Status; \
|
|
TraceStatus(szReason);
|
|
|
|
#define StatusKBufferOverflow(pstatus, szReason) StatusNoMemory(pstatus, szReason)
|
|
|
|
|
|
#define KERNELSELECT(k, u) u
|
|
|
|
#define DBGPROPASSERT KERNELSELECT(DBGPROP, DBG)
|
|
|
|
#if DBGPROPASSERT
|
|
#define TraceStatus(szReason) \
|
|
{ \
|
|
DebugTrace(0, DEBTRACE_ERROR, (szReason "\n")); \
|
|
PROPASSERTMSG(szReason, !(DebugLevel & DEBTRACE_WARN)); \
|
|
}
|
|
|
|
|
|
#else
|
|
#define TraceStatus(szReason)
|
|
#endif
|
|
|
|
|
|
|
|
#define AssertVarField(field, cb) \
|
|
PROPASSERT(FIELD_OFFSET(PROPVARIANT, iVal) == FIELD_OFFSET(PROPVARIANT, field) && \
|
|
sizeof(((PROPVARIANT *) 0)->field) == (cb))
|
|
|
|
#define AssertVarVector(field, cbElem) \
|
|
PROPASSERT(FIELD_OFFSET(PROPVARIANT, cai.cElems) == \
|
|
FIELD_OFFSET(PROPVARIANT, field.cElems) && \
|
|
FIELD_OFFSET(PROPVARIANT, cai.pElems) == \
|
|
FIELD_OFFSET(PROPVARIANT, field.pElems) && \
|
|
sizeof(((PROPVARIANT *) 0)->field.pElems[0]) == (cbElem))
|
|
|
|
#define AssertByteField(field) AssertVarField(field, sizeof(BYTE))
|
|
#define AssertShortField(field) AssertVarField(field, sizeof(SHORT))
|
|
#define AssertLongField(field) AssertVarField(field, sizeof(LONG))
|
|
#define AssertLongLongField(field) AssertVarField(field, sizeof(LONGLONG))
|
|
#define AssertStringField(field) AssertVarField(field, sizeof(VOID *))
|
|
|
|
#define AssertByteVector(field) AssertVarVector(field, sizeof(BYTE))
|
|
#define AssertShortVector(field) AssertVarVector(field, sizeof(SHORT))
|
|
#define AssertLongVector(field) AssertVarVector(field, sizeof(LONG))
|
|
#define AssertLongLongVector(field) AssertVarVector(field, sizeof(LONGLONG))
|
|
#define AssertStringVector(field) AssertVarVector(field, sizeof(VOID *))
|
|
#define AssertVariantVector(field) AssertVarVector(field, sizeof(PROPVARIANT))
|
|
|
|
|
|
#define BSTRLEN(bstrVal) *((ULONG *) bstrVal - 1)
|
|
|
|
|
|
/*+-------------------------------------------------------------------
|
|
Class: CBufferAllocator, private
|
|
|
|
Synopsis: allocation from a buffer
|
|
|
|
Notes: The Summary catalog APIs use a single buffer to serialize row
|
|
values on input and deserialize them on output. This class
|
|
encapsulates the memory allocation routines for these APIs.
|
|
-----------------------------------------------------------------------*/
|
|
|
|
class CBufferAllocator : public PMemoryAllocator
|
|
{
|
|
public:
|
|
inline CBufferAllocator(ULONG cbBuffer, VOID *pvBuffer)
|
|
{
|
|
_cbFree = cbBuffer;
|
|
_pvCur = _pvBuffer = pvBuffer;
|
|
#if _X86_ /* stack variables on x86 are not aligned*/
|
|
PROPASSERT(((ULONG) _pvCur & (sizeof(LONG) - 1)) == 0);
|
|
#else /* RISC*/
|
|
PROPASSERT(((ULONG) _pvCur & (sizeof(LONGLONG) - 1)) == 0);
|
|
#endif /* X86/RISC*/
|
|
}
|
|
|
|
VOID *Allocate(ULONG cbSize);
|
|
VOID Free(VOID *pv) { }
|
|
|
|
inline ULONG GetFreeSize(VOID) { return(_cbFree); }
|
|
|
|
private:
|
|
ULONG _cbFree;
|
|
VOID *_pvCur;
|
|
VOID *_pvBuffer;
|
|
};
|
|
|
|
/*+-------------------------------------------------------------------
|
|
Member: CBufferAllocator::Allocate, private
|
|
|
|
Synopsis: allocation from a buffer
|
|
|
|
Arguments: [cb] -- Count of bytes to be allocated.
|
|
|
|
Returns: pointer to 'allocated' memory -- NULL if no space left
|
|
----------------------------------------------------------------------*/
|
|
|
|
#define DEFINE_CBufferAllocator__Allocate \
|
|
VOID * \
|
|
CBufferAllocator::Allocate(ULONG cb) \
|
|
{ \
|
|
VOID *pv; \
|
|
\
|
|
cb = (cb + sizeof(LONGLONG) - 1) & ~(sizeof(LONGLONG) - 1); \
|
|
if (cb > _cbFree) \
|
|
{ \
|
|
return(NULL); \
|
|
} \
|
|
pv = _pvCur; \
|
|
_pvCur = (BYTE *) _pvCur + cb; \
|
|
_cbFree -= cb; \
|
|
return(pv); \
|
|
}
|
|
|
|
#endif /* #ifndef _PROPVAR_HXX_ */
|