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135 lines
3.8 KiB
135 lines
3.8 KiB
//+--------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1996-1998
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//
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// File:
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//
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// Contents:
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//
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// History: 12-09-97 HueiWang Modified from MSDN RPC Service Sample
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//
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//---------------------------------------------------------------------------
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#include <windows.h>
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#include <tchar.h>
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#include <stdio.h>
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#include "common.h"
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//---------------------------------------------------------------------------
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// FUNCTION: LogEvent( DWORD dwEventType,
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// DWORD dwIdEvent,
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// WORD cStrings,
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// LPTSTR *apwszStrings);
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//
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// PURPOSE: add the event to the event log
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//
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// INPUT: the event ID to report in the log, the number of insert
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// strings, and an array of null-terminated insert strings
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//
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// RETURNS: none
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//---------------------------------------------------------------------------
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HRESULT LogEvent(LPTSTR lpszSource,
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DWORD dwEventType,
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WORD wCatalog,
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DWORD dwIdEvent,
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WORD cStrings,
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TCHAR **apwszStrings)
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{
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HANDLE hAppLog=NULL;
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BOOL bSuccess=FALSE;
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WORD wElogType;
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wElogType = (WORD) dwEventType;
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if(hAppLog=RegisterEventSource(NULL, lpszSource))
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{
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bSuccess = ReportEvent(hAppLog,
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wElogType,
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wCatalog,
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dwIdEvent,
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NULL,
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cStrings,
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0,
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(const TCHAR **) apwszStrings,
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NULL);
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DeregisterEventSource(hAppLog);
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}
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return((bSuccess) ? S_OK : GetLastError());
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}
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//---------------------------------------------------------------------------
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// FUNCTION: GetLastErrorText
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//
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// PURPOSE: copies error message text to string
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//
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// PARAMETERS:
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// lpszBuf - destination buffer
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// dwSize - size of buffer
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//
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// RETURN VALUE:
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// destination buffer
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//
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// COMMENTS:
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//
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LPTSTR GetLastErrorText( LPTSTR lpszBuf, DWORD dwSize )
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{
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DWORD dwRet;
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LPTSTR lpszTemp = NULL;
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dwRet = FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ARGUMENT_ARRAY,
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NULL,
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GetLastError(),
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LANG_NEUTRAL,
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(LPTSTR)&lpszTemp,
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0,
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NULL );
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// supplied buffer is not long enough
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if ( !dwRet || ( (long)dwSize < (long)dwRet+14 ) )
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lpszBuf[0] = TEXT('\0');
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else
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{
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lpszTemp[lstrlen(lpszTemp)-2] = _TEXT('\0'); //remove cr and newline character
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_sntprintf( lpszBuf, dwSize, _TEXT("%s (0x%x)"), lpszTemp, GetLastError() );
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}
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if ( lpszTemp )
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LocalFree((HLOCAL) lpszTemp );
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return lpszBuf;
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}
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BOOL
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ConvertWszToBstr(
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OUT BSTR *pbstr,
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IN WCHAR const *pwc,
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IN LONG cb)
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{
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BOOL fOk = FALSE;
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BSTR bstr;
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do
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{
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bstr = NULL;
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if (NULL != pwc)
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{
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if (-1 == cb)
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{
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cb = wcslen(pwc) * sizeof(WCHAR);
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}
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bstr = SysAllocStringByteLen((char const *) pwc, cb);
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if (NULL == bstr)
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{
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break;
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}
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}
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if (NULL != *pbstr)
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{
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SysFreeString(*pbstr);
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}
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*pbstr = bstr;
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fOk = TRUE;
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} while (FALSE);
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return(fOk);
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}
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