341 lines
8.8 KiB
C++
341 lines
8.8 KiB
C++
//+---------------------------------------------------------------------------
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// Copyright (C) 1991-1994, Microsoft Corporation.
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//
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// File: assert.cxx
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//
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// Contents: Debugging output routines
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//
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// History: 23-Jul-91 KyleP Created.
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// 09-Oct-91 KevinRo Major changes and comments added
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// 18-Oct-91 vich moved debug print routines out
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// 10-Jun-92 BryanT Switched to w4crt.h instead of wchar.h
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// 30-Sep-93 KyleP DEVL obsolete
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// 7-Oct-94 BruceFo Ripped out all kernel, non-FLAT,
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// DLL-specific, non-Win32 functionality.
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// Now it's basically "print to the
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// debugger" code.
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//
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//----------------------------------------------------------------------------
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#if DBG == 1
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#include <windows.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include "debug.h"
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//////////////////////////////////////////////////////////////////////////////
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unsigned long Win4InfoLevel = DEF_INFOLEVEL;
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unsigned long Win4InfoMask = 0xffffffff;
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unsigned long Win4AssertLevel = ASSRT_MESSAGE | ASSRT_BREAK | ASSRT_POPUP;
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//////////////////////////////////////////////////////////////////////////////
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static int _cdecl w4dprintf(const char *format, ...);
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static int _cdecl w4vdprintf(const char *format, va_list arglist);
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//////////////////////////////////////////////////////////////////////////////
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static CRITICAL_SECTION s_csMessageBuf;
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static char g_szMessageBuf[500]; // this is the message buffer
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static int _cdecl w4dprintf(const char *format, ...)
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{
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int ret;
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va_list va;
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va_start(va, format);
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ret = w4vdprintf(format, va);
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va_end(va);
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return ret;
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}
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static int _cdecl w4vdprintf(const char *format, va_list arglist)
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{
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int ret;
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EnterCriticalSection(&s_csMessageBuf);
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ret = vsprintf(g_szMessageBuf, format, arglist);
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OutputDebugStringA(g_szMessageBuf);
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LeaveCriticalSection(&s_csMessageBuf);
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return ret;
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}
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//////////////////////////////////////////////////////////////////////////////
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//+---------------------------------------------------------------------------
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//
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// Function: _asdprintf
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//
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// Synopsis: Calls vdprintf to output a formatted message.
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//
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// History: 18-Oct-91 vich Created
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//
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//----------------------------------------------------------------------------
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inline void __cdecl
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_asdprintf(
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char const *pszfmt, ...)
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{
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va_list va;
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va_start(va, pszfmt);
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vdprintf(DEB_FORCE, "Assert", pszfmt, va);
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va_end(va);
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}
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//+---------------------------------------------------------------------------
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//
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// Function: Win4AssertEx, private
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//
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// Synopsis: Display assertion information
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//
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// Effects: Called when an assertion is hit.
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//
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//----------------------------------------------------------------------------
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EXPORTIMP void APINOT
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Win4AssertEx(
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char const * szFile,
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int iLine,
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char const * szMessage)
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{
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if (Win4AssertLevel & ASSRT_MESSAGE)
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{
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DWORD tid = GetCurrentThreadId();
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_asdprintf("%s File: %s Line: %u, thread id %d\n",
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szMessage, szFile, iLine, tid);
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}
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if (Win4AssertLevel & ASSRT_POPUP)
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{
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int id = PopUpError(szMessage,iLine,szFile);
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if (id == IDCANCEL)
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{
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DebugBreak();
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}
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}
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else if (Win4AssertLevel & ASSRT_BREAK)
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{
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DebugBreak();
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}
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}
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//+------------------------------------------------------------
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// Function: SetWin4InfoLevel(unsigned long ulNewLevel)
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//
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// Synopsis: Sets the global info level for debugging output
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// Returns: Old info level
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//
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//-------------------------------------------------------------
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EXPORTIMP unsigned long APINOT
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SetWin4InfoLevel(
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unsigned long ulNewLevel)
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{
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unsigned long ul;
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ul = Win4InfoLevel;
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Win4InfoLevel = ulNewLevel;
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return(ul);
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}
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//+------------------------------------------------------------
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// Function: SetWin4InfoMask(unsigned long ulNewMask)
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//
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// Synopsis: Sets the global info mask for debugging output
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// Returns: Old info mask
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//
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//-------------------------------------------------------------
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EXPORTIMP unsigned long APINOT
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SetWin4InfoMask(
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unsigned long ulNewMask)
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{
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unsigned long ul;
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ul = Win4InfoMask;
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Win4InfoMask = ulNewMask;
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return(ul);
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}
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//+------------------------------------------------------------
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// Function: SetWin4AssertLevel(unsigned long ulNewLevel)
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//
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// Synopsis: Sets the global assert level for debugging output
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// Returns: Old assert level
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//
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//-------------------------------------------------------------
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EXPORTIMP unsigned long APINOT
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SetWin4AssertLevel(
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unsigned long ulNewLevel)
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{
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unsigned long ul;
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ul = Win4AssertLevel;
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Win4AssertLevel = ulNewLevel;
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return(ul);
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}
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//+------------------------------------------------------------
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// Function: PopUpError
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//
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// Synopsis: Displays a dialog box using provided text,
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// and presents the user with the option to
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// continue or cancel.
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//
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// Arguments:
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// szMsg -- The string to display in main body of dialog
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// iLine -- Line number of file in error
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// szFile -- Filename of file in error
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//
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// Returns:
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// IDCANCEL -- User selected the CANCEL button
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// IDOK -- User selected the OK button
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//-------------------------------------------------------------
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EXPORTIMP int APINOT
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PopUpError(
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char const *szMsg,
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int iLine,
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char const *szFile)
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{
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int id;
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static char szAssertCaption[128];
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static char szModuleName[128];
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DWORD tid = GetCurrentThreadId();
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DWORD pid = GetCurrentProcessId();
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char * pszModuleName;
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if (GetModuleFileNameA(NULL, szModuleName, 128))
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{
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pszModuleName = strrchr(szModuleName, '\\');
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if (!pszModuleName)
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{
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pszModuleName = szModuleName;
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}
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else
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{
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pszModuleName++;
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}
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}
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else
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{
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pszModuleName = "Unknown";
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}
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sprintf(szAssertCaption,"Process: %s File: %s line %u, thread id %d.%d",
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pszModuleName, szFile, iLine, pid, tid);
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id = MessageBoxA(NULL,
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szMsg,
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szAssertCaption,
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MB_SETFOREGROUND
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| MB_DEFAULT_DESKTOP_ONLY
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| MB_TASKMODAL
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| MB_ICONEXCLAMATION
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| MB_OKCANCEL);
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//
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// If id == 0, then an error occurred. There are two possibilities
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// that can cause the error: Access Denied, which means that this
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// process does not have access to the default desktop, and everything
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// else (usually out of memory).
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//
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if (0 == id)
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{
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if (GetLastError() == ERROR_ACCESS_DENIED)
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{
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//
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// Retry this one with the SERVICE_NOTIFICATION flag on. That
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// should get us to the right desktop.
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//
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id = MessageBoxA(NULL,
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szMsg,
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szAssertCaption,
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MB_SETFOREGROUND
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| MB_SERVICE_NOTIFICATION
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| MB_TASKMODAL
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| MB_ICONEXCLAMATION
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| MB_OKCANCEL);
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}
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}
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return id;
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}
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//+------------------------------------------------------------
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// Function: vdprintf
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//
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// Synopsis: Prints debug output using a pointer to the
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// variable information. Used primarily by the
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// xxDebugOut macros
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//
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// Arguements:
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// ulCompMask -- Component level mask used to determine
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// output ability
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// pszComp -- String const of component prefix.
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// ppszfmt -- Pointer to output format and data
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//
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//-------------------------------------------------------------
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static CRITICAL_SECTION s_csDebugPrint;
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EXPORTIMP void APINOT
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vdprintf(
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unsigned long ulCompMask,
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char const *pszComp,
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char const *ppszfmt,
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va_list pargs)
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{
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if ((ulCompMask & DEB_FORCE) == DEB_FORCE ||
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((ulCompMask | Win4InfoLevel) & Win4InfoMask))
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{
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EnterCriticalSection(&s_csDebugPrint);
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DWORD tid = GetCurrentThreadId();
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DWORD pid = GetCurrentProcessId();
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if ((Win4InfoLevel & (DEB_DBGOUT | DEB_STDOUT)) != DEB_STDOUT)
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{
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if (! (ulCompMask & DEB_NOCOMPNAME))
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{
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w4dprintf("%d.%03d> %s: ", pid, tid, pszComp);
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}
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w4vdprintf(ppszfmt, pargs);
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}
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if (Win4InfoLevel & DEB_STDOUT)
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{
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if (! (ulCompMask & DEB_NOCOMPNAME))
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{
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printf("%d.%03d> %s: ", pid, tid, pszComp);
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}
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vprintf(ppszfmt, pargs);
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}
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LeaveCriticalSection(&s_csDebugPrint);
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}
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}
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void APINOT InitializeDebugging(void)
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{
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InitializeCriticalSection(&s_csMessageBuf);
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InitializeCriticalSection(&s_csDebugPrint);
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}
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#endif // DBG == 1
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