879 lines
20 KiB
C++
879 lines
20 KiB
C++
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#include "pch.cxx"
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#include "CPropVar.hxx"
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#include "CHResult.hxx"
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#include <stdio.h>
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#include <tchar.h>
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// Declare this prototype here, for now. For non-Mac, the prototype
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// in "iofs.h" uses C decorations, but the definition in
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// ntpropb.cxx uses C++.
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#ifdef _MAC_NODOC
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EXTERN_C BOOLEAN
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#else
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BOOLEAN __declspec(dllimport) __stdcall
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#endif
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RtlCompareVariants(
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USHORT CodePage,
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PROPVARIANT const *pvar1,
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PROPVARIANT const *pvar2);
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/*
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CPropVariant::InitializeVector(
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VARENUM v,
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ULONG cElements)
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{
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ULONG cbElement;
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BOOLEAN fZero = FALSE;
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// Ignore vector flag. This constructor is always for vectors only.
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vt = v | VT_VECTOR;
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switch (vt)
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{
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case VT_VECTOR | VT_UI1:
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cbElement = sizeof(caub.pElems[0]);
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break;
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case VT_VECTOR | VT_I2:
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case VT_VECTOR | VT_UI2:
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case VT_VECTOR | VT_BOOL:
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cbElement = sizeof(cai.pElems[0]);
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break;
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case VT_VECTOR | VT_I4:
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case VT_VECTOR | VT_UI4:
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case VT_VECTOR | VT_R4:
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case VT_VECTOR | VT_ERROR:
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cbElement = sizeof(cal.pElems[0]);
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break;
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case VT_VECTOR | VT_I8:
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case VT_VECTOR | VT_UI8:
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case VT_VECTOR | VT_R8:
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case VT_VECTOR | VT_CY:
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case VT_VECTOR | VT_DATE:
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case VT_VECTOR | VT_FILETIME:
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cbElement = sizeof(cah.pElems[0]);
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break;
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case VT_VECTOR | VT_CLSID:
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cbElement = sizeof(GUID);
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fZero = TRUE;
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break;
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case VT_VECTOR | VT_CF:
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cbElement = sizeof(CLIPDATA);
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fZero = TRUE;
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break;
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case VT_VECTOR | VT_BSTR:
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case VT_VECTOR | VT_LPSTR:
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case VT_VECTOR | VT_LPWSTR:
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cbElement = sizeof(VOID *);
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fZero = TRUE;
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break;
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case VT_VECTOR | VT_VARIANT:
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cbElement = sizeof(PROPVARIANT);
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ASSERT(VT_EMPTY == 0);
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fZero = TRUE;
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break;
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default:
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ASSERT(!"CAllocStorageVariant -- Invalid vector type");
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vt = VT_EMPTY;
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break;
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}
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if (vt != VT_EMPTY)
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{
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caub.cElems = 0;
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caub.pElems = (BYTE *) CoTaskMemAlloc(cElements * cbElement);
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if (caub.pElems != NULL)
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{
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if (fZero)
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{
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memset(caub.pElems, 0, cElements * cbElement);
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}
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caub.cElems = cElements;
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}
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}
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}
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*/
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VOID *
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CPropVariant::_AddStringToVector(
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unsigned pos,
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const VOID *pv,
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ULONG cb,
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VARTYPE vtNew )
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{
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vtNew |= VT_VECTOR;
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ASSERT(vtNew == (VT_VECTOR | VT_BSTR) ||
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vtNew == (VT_VECTOR | VT_LPSTR) ||
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vtNew == (VT_VECTOR | VT_LPWSTR) ||
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vtNew == (VT_VECTOR | VT_CF) );
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ASSERT(calpstr.pElems != NULL);
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if (pos >= calpstr.cElems)
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{
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char **ppsz = calpstr.pElems;
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calpstr.pElems =
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(char **) CoTaskMemAlloc((pos + 1) * sizeof(calpstr.pElems[0]));
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if (calpstr.pElems == NULL)
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{
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calpstr.pElems = ppsz;
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return(NULL);
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}
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if( NULL != ppsz )
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memcpy(calpstr.pElems, ppsz, calpstr.cElems * sizeof(calpstr.pElems[0]));
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memset(
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&calpstr.pElems[calpstr.cElems],
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0,
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((pos + 1) - calpstr.cElems) * sizeof(calpstr.pElems[0]));
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calpstr.cElems = pos + 1;
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CoTaskMemFree(ppsz);
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}
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LPSTR psz;
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if( (VT_VECTOR | VT_BSTR) == vtNew )
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{
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if( NULL == pv )
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{
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psz = NULL;
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}
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else
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{
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psz = (LPSTR) SysAllocString( (BSTR) pv );
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if (psz == NULL)
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{
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return(NULL);
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}
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}
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if (calpstr.pElems[pos] != NULL)
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{
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SysFreeString((BSTR) calpstr.pElems[pos]);
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}
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calpstr.pElems[pos] = psz;
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}
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else
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{
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if( NULL == pv )
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{
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psz = NULL;
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}
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else
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{
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psz = (LPSTR) CoTaskMemAlloc((VT_BSTR == (vtNew & ~VT_VECTOR) )
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? cb + sizeof(ULONG)
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: cb );
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if (psz == NULL)
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{
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return(NULL);
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}
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memcpy(psz, pv, cb);
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}
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if (calpstr.pElems[pos] != NULL)
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{
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CoTaskMemFree(calpstr.pElems[pos]);
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}
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calpstr.pElems[pos] = psz;
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}
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return(calpstr.pElems[pos]);
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}
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VOID *
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CPropVariant::_AddScalerToVector(
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unsigned pos,
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const VOID *pv,
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ULONG cb)
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{
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ASSERT(calpstr.pElems != NULL);
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if (pos >= calpstr.cElems)
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{
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char **ppsz = calpstr.pElems;
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calpstr.pElems =
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(char **) CoTaskMemAlloc((pos + 1) * cb);
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if (calpstr.pElems == NULL)
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{
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calpstr.pElems = ppsz;
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return(NULL);
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}
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memset(
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calpstr.pElems,
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0,
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((pos + 1) - calpstr.cElems) * cb);
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if( NULL != ppsz )
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memcpy(calpstr.pElems, ppsz, calpstr.cElems * cb);
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calpstr.cElems = pos + 1;
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CoTaskMemFree(ppsz);
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}
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memcpy( (BYTE*)calpstr.pElems + pos*cb, pv, cb );
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return( (BYTE*)calpstr.pElems + pos*cb );
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}
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void
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CPropVariant::SetCF(
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const CLIPDATA *pclipdata,
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ULONG pos)
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{
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CLIPDATA *pclipdataNew;
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if (vt != (VT_VECTOR | VT_CF))
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{
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Clear();
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vt = VT_VECTOR | VT_CF;
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}
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pclipdataNew = (CLIPDATA*) _AddScalerToVector(pos, (VOID *) pclipdata, sizeof(CLIPDATA) );
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if( NULL != pclipdataNew
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&&
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NULL != pclipdata )
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{
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pclipdataNew->pClipData = (BYTE*) CoTaskMemAlloc( CBPCLIPDATA(*pclipdata) );
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if( NULL == pclipdataNew->pClipData )
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{
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ASSERT( !"Couldn't allocate pclipdataNew" );
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return;
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}
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else
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{
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pclipdataNew->cbSize = pclipdata->cbSize;
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pclipdataNew->ulClipFmt = pclipdata->ulClipFmt;
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memcpy( pclipdataNew->pClipData,
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pclipdata->pClipData,
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CBPCLIPDATA(*pclipdata) );
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return;
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}
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}
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}
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void
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CPropVariant::SetBSTR(
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const BSTR posz,
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ULONG pos)
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{
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ULONG cch;
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if( vt != (VT_BSTR | VT_VECTOR) ) Clear();
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if( NULL == posz )
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cch = 0;
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else
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cch = ocslen(posz) + 1;
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if (vt != (VT_VECTOR | VT_BSTR))
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Clear();
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_AddStringToVector(pos, (VOID *) posz,
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sizeof(OLECHAR) * cch, VT_BSTR );
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vt = VT_BSTR | VT_VECTOR;
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}
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CPropVariant & CPropVariant::operator =(PROPVARIANT &propvar)
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{
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if( INVALID_SUBSCRIPT == wReserved1 )
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{
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throw CHRESULT( (HRESULT) E_FAIL, OLESTR("Attempt to assign a singleton VT_VARIANT") );
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return (*this);
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}
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else
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{
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if( !(vt & VT_VECTOR)
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||
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(vt & ~VT_VECTOR) != VT_VARIANT )
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{
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USHORT wReserved1Save = wReserved1;
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Clear();
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wReserved1 = wReserved1Save;
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}
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Set( VT_VARIANT | VT_VECTOR, (void*) &propvar, wReserved1 - 1 );
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wReserved1 = INVALID_SUBSCRIPT;
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return (*this);
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}
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}
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void
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CPropVariant::SetPROPVARIANT( PROPVARIANT &propvar, ULONG pos )
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{
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if( vt != (VT_VARIANT | VT_VECTOR) ) Clear();
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if (pos >= capropvar.cElems)
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{
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LPPROPVARIANT rgpropvar = capropvar.pElems;
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capropvar.pElems =
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(PROPVARIANT *) CoTaskMemAlloc((pos + 1) * sizeof(capropvar.pElems[0]));
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if (capropvar.pElems == NULL)
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{
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capropvar.pElems = rgpropvar;
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return;
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}
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if( NULL != rgpropvar )
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memcpy(capropvar.pElems, rgpropvar, capropvar.cElems * sizeof(capropvar.pElems[0]));
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memset(
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&capropvar.pElems[capropvar.cElems],
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0,
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((pos + 1) - capropvar.cElems) * sizeof(capropvar.pElems[0]));
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capropvar.cElems = pos + 1;
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CoTaskMemFree(rgpropvar);
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}
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PropVariantClear( &capropvar.pElems[pos] );
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PropVariantCopy( &capropvar.pElems[pos], &propvar );
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vt = VT_VARIANT | VT_VECTOR;
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return;
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}
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void
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CPropVariant::SetCF(const CLIPDATA *p)
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{
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Clear();
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if( NULL == p )
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return;
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pclipdata = (CLIPDATA*) CoTaskMemAlloc( sizeof(CLIPDATA) );
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if( NULL == pclipdata )
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{
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return;
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}
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pclipdata->cbSize = p->cbSize;
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pclipdata->ulClipFmt = p->ulClipFmt;
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pclipdata->pClipData = NULL;
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if( sizeof(pclipdata->ulClipFmt) > p->cbSize )
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{
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throw CHRESULT( (HRESULT) E_FAIL, OLESTR("Invalid input CLIPDATA*") );
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return;
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}
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if( NULL != p->pClipData )
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{
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pclipdata->pClipData = (BYTE*) CoTaskMemAlloc( pclipdata->cbSize
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- sizeof(pclipdata->ulClipFmt) );
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if( NULL == pclipdata->pClipData )
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return;
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memcpy( pclipdata->pClipData, p->pClipData, pclipdata->cbSize - sizeof(pclipdata->ulClipFmt) );
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}
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vt = VT_CF;
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}
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void
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CPropVariant::SetCLSID( const CLSID *pclsid )
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{
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Clear();
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puuid = (CLSID*) CoTaskMemAlloc( sizeof(CLSID) );
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if( NULL == puuid )
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throw CHRESULT( (HRESULT) E_OUTOFMEMORY, OLESTR("CPropVariant::SetCLSID couldn't alloc a new CLSID") );
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*puuid = *pclsid;
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vt = VT_CLSID;
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}
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void
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CPropVariant::SetCLSID(
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const CLSID *pclsid,
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unsigned pos)
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{
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CLSID *pclsidNew;
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if (vt != (VT_VECTOR | VT_CLSID))
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{
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Clear();
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vt = VT_VECTOR | VT_CLSID;
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}
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pclsidNew = (CLSID*) _AddScalerToVector(pos, (const VOID *) pclsid, sizeof(CLSID) );
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if( NULL != pclsidNew )
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{
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*pclsidNew = *pclsid;
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}
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}
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#define COMPARE_CHUNK_SIZE 4096
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//+----------------------------------------------------------------------------
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//
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// CPropVariant::Compare
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//
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// Compare two CPropVariants. This routine defers to the RtlCompareVariants
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// for most types. Types not supported by that routine are handled here.
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//
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//+----------------------------------------------------------------------------
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HRESULT
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CPropVariant::Compare( PROPVARIANT *ppropvar1, PROPVARIANT *ppropvar2 )
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{
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HRESULT hr = S_OK;
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VARTYPE vt1 = ppropvar1->vt;
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IStream *pStream1 = NULL, *pStream2 = NULL;
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BYTE *prgb1 = NULL, *prgb2 = NULL;
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CLargeInteger liCurrentSeek;
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switch( vt1 )
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{
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case VT_VERSIONED_STREAM:
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if( ppropvar1->pVersionedStream == NULL && ppropvar2->pVersionedStream == NULL )
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return( S_OK );
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else if( ppropvar1->pVersionedStream == NULL || ppropvar2->pVersionedStream == NULL )
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return( S_FALSE );
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else if( ppropvar1->pVersionedStream->guidVersion != ppropvar2->pVersionedStream->guidVersion )
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return( S_FALSE );
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pStream1 = ppropvar1->pVersionedStream->pStream;
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pStream2 = ppropvar2->pVersionedStream->pStream;
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// Fall through
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case VT_STREAM:
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case VT_STREAMED_OBJECT:
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{
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// Note: This comparisson effects the seek pointers, though
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// barring error they are restored on completion.
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STATSTG statstg1, statstg2;
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CULargeInteger uliSeek1, uliSeek2;
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if( NULL == pStream1 )
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{
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ASSERT( NULL == pStream2 );
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pStream1 = ppropvar1->pStream;
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pStream2 = ppropvar2->pStream;
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}
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if( ppropvar1->vt != ppropvar2->vt
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||
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NULL == pStream1 && NULL != pStream2
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||
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NULL != pStream1 && NULL == pStream2 )
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{
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return( S_FALSE );
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}
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hr = pStream1->Stat( &statstg1, STATFLAG_NONAME );
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if( FAILED(hr) ) goto Exit;
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hr = pStream2->Stat( &statstg2, STATFLAG_NONAME );
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if( FAILED(hr) ) goto Exit;
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if( CULargeInteger(statstg1.cbSize) != CULargeInteger(statstg2.cbSize) )
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return( S_FALSE );
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prgb1 = new BYTE[ COMPARE_CHUNK_SIZE ];
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if( NULL == prgb1 )
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{
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hr = E_OUTOFMEMORY;
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goto Exit;
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}
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prgb2 = new BYTE[ COMPARE_CHUNK_SIZE ];
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if( NULL == prgb2 )
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{
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hr = E_OUTOFMEMORY;
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goto Exit;
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}
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hr = pStream1->Seek( CLargeInteger(0), STREAM_SEEK_CUR, &uliSeek1 );
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if( FAILED(hr) ) goto Exit;
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hr = pStream2->Seek( CLargeInteger(0), STREAM_SEEK_CUR, &uliSeek2 );
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if( FAILED(hr) ) goto Exit;
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liCurrentSeek = CLargeInteger(0);
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CULargeInteger cbRemaining = statstg1.cbSize;
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while( cbRemaining > 0 )
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{
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ULONG cbRead1 = 0, cbRead2 = 0;
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hr = pStream1->Seek( liCurrentSeek, STREAM_SEEK_SET, NULL );
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if( FAILED(hr) ) goto Exit;
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hr = pStream1->Read( prgb1, COMPARE_CHUNK_SIZE, &cbRead1 );
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if( FAILED(hr) ) goto Exit;
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hr = pStream2->Seek( liCurrentSeek, STREAM_SEEK_SET, NULL );
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if( FAILED(hr) ) goto Exit;
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hr = pStream2->Read( prgb2, COMPARE_CHUNK_SIZE, &cbRead2 );
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if( FAILED(hr) ) goto Exit;
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if( cbRead1 != cbRead2 )
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{
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hr = STG_E_READFAULT;
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goto Exit;
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}
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if( memcmp( prgb1, prgb2, cbRead1 ) )
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{
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hr = S_FALSE;
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goto Exit;
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}
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liCurrentSeek += cbRead1;
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cbRemaining -= cbRead1;
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}
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hr = pStream1->Seek( static_cast<CLargeInteger>(uliSeek1), STREAM_SEEK_SET, NULL );
|
|
if( FAILED(hr) ) goto Exit;
|
|
|
|
hr = pStream2->Seek( static_cast<CLargeInteger>(uliSeek2), STREAM_SEEK_SET, NULL );
|
|
if( FAILED(hr) ) goto Exit;
|
|
|
|
hr = S_OK;
|
|
goto Exit;
|
|
|
|
}
|
|
|
|
|
|
case VT_STORAGE:
|
|
case VT_STORED_OBJECT:
|
|
{
|
|
|
|
if( ppropvar1->vt == ppropvar2->vt
|
|
&&
|
|
( NULL == ppropvar1->vt
|
|
&&
|
|
NULL == ppropvar2->vt
|
|
||
|
|
NULL != ppropvar1->vt
|
|
&&
|
|
NULL != ppropvar2->vt
|
|
)
|
|
)
|
|
{
|
|
return( S_OK );
|
|
}
|
|
else
|
|
{
|
|
return( S_FALSE );
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
|
|
// For SafeArrays we just check the structure, not the data.
|
|
|
|
if( VT_ARRAY & vt1 )
|
|
{
|
|
if( ppropvar1->vt != ppropvar2->vt
|
|
||
|
|
ppropvar1->parray->cDims != ppropvar2->parray->cDims
|
|
||
|
|
SafeArrayGetElemsize(ppropvar1->parray) != SafeArrayGetElemsize(ppropvar2->parray) )
|
|
{
|
|
return (HRESULT) S_FALSE;
|
|
}
|
|
else
|
|
{
|
|
return (HRESULT) S_OK;
|
|
}
|
|
|
|
}
|
|
else if( PropTestCompareVariants( CP_ACP, // Ignored,
|
|
ppropvar1,
|
|
ppropvar2 ))
|
|
{
|
|
return( (HRESULT) S_OK );
|
|
}
|
|
else
|
|
{
|
|
return( (HRESULT) S_FALSE );
|
|
}
|
|
break;
|
|
}
|
|
|
|
Exit:
|
|
|
|
if( NULL != prgb1 )
|
|
delete[] prgb1;
|
|
if( NULL != prgb2 )
|
|
delete[] prgb2;
|
|
|
|
return( hr );
|
|
}
|
|
|
|
|
|
void
|
|
CPropVariant::Set( VARTYPE vtSet, void *pv, ULONG pos )
|
|
{
|
|
BOOL fVector = (vtSet & VT_VECTOR) ? TRUE : FALSE;
|
|
|
|
|
|
switch( vtSet & ~VT_VECTOR )
|
|
{
|
|
case VT_I1:
|
|
|
|
if( fVector )
|
|
SetI1( *(CHAR*) pv, pos );
|
|
else
|
|
SetI1( *(CHAR*) pv );
|
|
|
|
break;
|
|
|
|
case VT_UI1:
|
|
|
|
if( fVector )
|
|
SetUI1( *(UCHAR*) pv, pos );
|
|
else
|
|
SetUI1( *(UCHAR*) pv );
|
|
|
|
break;
|
|
|
|
case VT_I2:
|
|
|
|
if( fVector )
|
|
SetI2( *(short*) pv, pos );
|
|
else
|
|
SetI2( *(short*) pv );
|
|
|
|
break;
|
|
|
|
case VT_UI2:
|
|
|
|
if( fVector )
|
|
SetUI2( *(USHORT*) pv, pos );
|
|
else
|
|
SetUI2( *(USHORT*) pv );
|
|
|
|
break;
|
|
|
|
case VT_BOOL:
|
|
|
|
if( fVector )
|
|
SetBOOL( *(VARIANT_BOOL*) pv, pos );
|
|
else
|
|
SetBOOL( *(VARIANT_BOOL*) pv );
|
|
|
|
break;
|
|
|
|
case VT_I4:
|
|
|
|
if( fVector )
|
|
SetI4( *(long*) pv, pos );
|
|
else
|
|
SetI4( *(long*) pv );
|
|
break;
|
|
|
|
case VT_UI4:
|
|
|
|
if( fVector )
|
|
SetUI4( *(ULONG*) pv, pos );
|
|
else
|
|
SetUI4( *(ULONG*) pv );
|
|
|
|
break;
|
|
|
|
case VT_R4:
|
|
|
|
if( fVector )
|
|
SetR4( *(float*) pv, pos );
|
|
else
|
|
SetR4( *(float*) pv );
|
|
|
|
break;
|
|
|
|
case VT_ERROR:
|
|
|
|
if( fVector )
|
|
SetERROR( *(SCODE*) pv, pos );
|
|
else
|
|
SetERROR( *(SCODE*) pv );
|
|
|
|
break;
|
|
|
|
case VT_I8:
|
|
|
|
if( fVector )
|
|
SetI8( *(LARGE_INTEGER*) pv, pos );
|
|
else
|
|
SetI8( *(LARGE_INTEGER*) pv );
|
|
break;
|
|
|
|
case VT_UI8:
|
|
|
|
if( fVector )
|
|
SetUI8( *(ULARGE_INTEGER*) pv, pos );
|
|
else
|
|
SetUI8( *(ULARGE_INTEGER*) pv );
|
|
|
|
break;
|
|
|
|
case VT_R8:
|
|
|
|
if( fVector )
|
|
SetR8( *(double*) pv, pos );
|
|
else
|
|
SetR8( *(double*) pv );
|
|
|
|
break;
|
|
|
|
case VT_CY:
|
|
|
|
if( fVector )
|
|
SetCY( *(CY*) pv, pos );
|
|
else
|
|
SetCY( *(CY*) pv );
|
|
|
|
break;
|
|
|
|
case VT_DATE:
|
|
|
|
if( fVector )
|
|
SetDATE( *(DATE*) pv, pos );
|
|
else
|
|
SetDATE( *(DATE*) pv );
|
|
|
|
break;
|
|
|
|
case VT_FILETIME:
|
|
|
|
if( fVector )
|
|
SetFILETIME( *(FILETIME*) pv, pos );
|
|
else
|
|
SetFILETIME( *(FILETIME*) pv );
|
|
|
|
break;
|
|
|
|
case VT_CLSID:
|
|
|
|
if( fVector )
|
|
SetCLSID( *(CLSID*) pv, pos );
|
|
else
|
|
SetCLSID( *(CLSID*) pv );
|
|
|
|
break;
|
|
|
|
case VT_BLOB:
|
|
|
|
ASSERT( !fVector );
|
|
SetBLOB( *(BLOB*) pv );
|
|
break;
|
|
|
|
case VT_CF:
|
|
|
|
if( fVector )
|
|
SetCF( *(CLIPDATA**) pv, pos );
|
|
else
|
|
SetCF( *(CLIPDATA**) pv );
|
|
|
|
break;
|
|
|
|
case VT_STREAM:
|
|
|
|
ASSERT( !fVector );
|
|
SetSTREAM( *(IStream**) pv );
|
|
break;
|
|
|
|
case VT_STORAGE:
|
|
|
|
ASSERT( !fVector );
|
|
SetSTORAGE( *(IStorage**) pv );
|
|
break;
|
|
|
|
case VT_BSTR:
|
|
|
|
if( fVector )
|
|
SetBSTR( *(BSTR*) pv, pos );
|
|
else
|
|
SetBSTR( *(BSTR*) pv );
|
|
|
|
break;
|
|
|
|
case VT_LPSTR:
|
|
|
|
if( fVector )
|
|
SetLPSTR( *(LPSTR*) pv, pos );
|
|
else
|
|
SetLPSTR( *(LPSTR*) pv );
|
|
|
|
break;
|
|
|
|
case VT_LPWSTR:
|
|
|
|
if( fVector )
|
|
SetLPWSTR( *(LPWSTR*) pv, pos );
|
|
else
|
|
SetLPWSTR( *(LPWSTR*) pv );
|
|
|
|
break;
|
|
|
|
case VT_VARIANT:
|
|
|
|
if( !fVector )
|
|
throw CHRESULT( E_FAIL, OLESTR("CPropVariant::Set - attempt to set a singleton VT_VARIANT") );
|
|
|
|
SetPROPVARIANT( *(PROPVARIANT*) pv, pos );
|
|
|
|
break;
|
|
|
|
case VT_DECIMAL:
|
|
|
|
ASSERT( !fVector );
|
|
SetDECIMAL( *(DECIMAL*) pv );
|
|
break;
|
|
|
|
default:
|
|
|
|
ASSERT(0);
|
|
throw CHRESULT( (HRESULT) E_FAIL, OLESTR("CPropVariant::Set invalid type") );
|
|
|
|
}
|
|
|
|
return;
|
|
}
|