105 lines
1.8 KiB
C++
105 lines
1.8 KiB
C++
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//+--------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1996 - 1999
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//
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// File: cienum.cpp
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//
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// Contents: Extension and Attribute enumerator
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//
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// History: 12-Mar-96 vich created
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//
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//---------------------------------------------------------------------------
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#include <pch.cpp>
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#pragma hdrstop
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#include "csprop.h"
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#include "csdisp.h"
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HRESULT
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CIENUM::EnumSetup(
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IN DWORD RequestId,
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IN LONG Context,
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IN DWORD Flags)
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{
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HRESULT hr;
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EnumClose();
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ICertDBRow *prow = NULL;
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hr = g_pCertDB->OpenRow(PROPOPEN_READONLY | PROPTABLE_REQCERT, RequestId, NULL, &prow);
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_JumpIfError(hr, error, "OpenRow");
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hr = prow->EnumCertDBName(~CIE_CALLER_MASK & Flags, &m_penum);
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_JumpIfError(hr, error, "EnumCertDBName");
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m_Context = Context;
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m_Flags = Flags;
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error:
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if (NULL != prow)
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{
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prow->Release();
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}
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return(hr);
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}
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HRESULT
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CIENUM::EnumNext(OUT BSTR *pstrPropertyName)
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{
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HRESULT hr = E_UNEXPECTED;
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CERTDBNAME cdbn;
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cdbn.pwszName = NULL;
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if (NULL == pstrPropertyName)
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{
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hr = E_POINTER;
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_JumpError(hr, error, "pstrPropertyName NULL");
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}
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if (NULL != *pstrPropertyName)
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{
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SysFreeString(*pstrPropertyName);
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*pstrPropertyName = NULL;
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}
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if (NULL != m_penum)
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{
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ULONG celtFetched;
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hr = m_penum->Next(1, &cdbn, &celtFetched);
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_JumpIfError2(hr, error, "Next", S_FALSE);
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CSASSERT(1 == celtFetched);
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CSASSERT(NULL != cdbn.pwszName);
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if (!ConvertWszToBstr(pstrPropertyName, cdbn.pwszName, -1))
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{
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hr = E_OUTOFMEMORY;
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goto error;
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}
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}
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error:
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if (NULL != cdbn.pwszName)
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{
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CoTaskMemFree(cdbn.pwszName);
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}
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return(hr);
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}
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HRESULT
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CIENUM::EnumClose()
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{
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if (NULL != m_penum)
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{
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m_penum->Release();
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m_penum = NULL;
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}
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return(S_OK);
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}
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