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110 lines
2.3 KiB
110 lines
2.3 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1999.
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//
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// File: D I A G C T X . C P P
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//
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// Contents: Implements the optional diagnostic context used by
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// CNetConfig.
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//
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// Notes:
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//
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// Author: shaunco 10 Feb 1999
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//
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//----------------------------------------------------------------------------
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#include <pch.h>
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#pragma hdrstop
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#include "diagctx.h"
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CDiagContext* g_pDiagCtx;
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DWORD
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CDiagContext::Flags () const
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{
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return (this) ? m_dwFlags : 0;
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}
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VOID
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CDiagContext::SetFlags (
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DWORD dwFlags /* DIAG_FLAGS */)
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{
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Assert (this);
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m_dwFlags = dwFlags;
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if ((dwFlags & DF_SHOW_CONSOLE_OUTPUT) && !m_pCtx)
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{
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m_pCtx = (DIAG_CONTEXT*) MemAlloc (sizeof(DIAG_CONTEXT));
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}
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}
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#ifndef COMPILE_WITH_TYPESAFE_PRINTF
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VOID
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CDiagContext::Printf (
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TRACETAGID ttid,
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PCSTR pszFormat,
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...
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)
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{
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va_list argList;
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DWORD cch;
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CHAR* pszPrintBuffer = NULL;
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INT cchPrintBuffer;
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Assert (pszFormat);
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if (this && (m_dwFlags & DF_SHOW_CONSOLE_OUTPUT) && m_pCtx)
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{
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pszPrintBuffer = m_pCtx->szPrintBuffer;
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cchPrintBuffer = sizeof(m_pCtx->szPrintBuffer);
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}
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else
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{
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#ifdef ENABLETRACE
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if (!g_TraceTags[ttid].fOutputDebugString)
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{
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return;
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}
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static CHAR szPrintfBuffer [2048];
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pszPrintBuffer = szPrintfBuffer;
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cchPrintBuffer = sizeof(szPrintfBuffer);
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#else
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return;
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#endif
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}
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Assert (pszPrintBuffer);
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// Do the standard variable argument stuff
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va_start (argList, pszFormat);
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cch = _vsnprintf (pszPrintBuffer, cchPrintBuffer, pszFormat, argList);
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va_end(argList);
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TraceTag (ttid, pszPrintBuffer);
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if (this && (m_dwFlags & DF_SHOW_CONSOLE_OUTPUT))
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{
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HANDLE hStdOut;
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hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
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if (INVALID_HANDLE_VALUE != hStdOut)
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{
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DWORD cbWritten;
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if (WriteFile(hStdOut, pszPrintBuffer, cch * sizeof(CHAR), &cbWritten, NULL) == FALSE)
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{
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return;
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}
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}
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}
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}
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#endif
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