422 lines
11 KiB
C++
422 lines
11 KiB
C++
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//+---------------------------------------------------------------------------
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// Copyright (C) 1991, 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 for idsmgr.dll
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//
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// Functions: Assert
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// PopUpError
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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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//
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//----------------------------------------------------------------------------
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#pragma hdrstop
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#include "urlmon.hxx"
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//
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// This one file **always** uses debugging options
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//
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#if DBG == 1
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// needed for CT TOM assert events trapping
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#include <assert.hxx>
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#include <stdarg.h>
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#include <stdio.h>
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# include <dprintf.h> // w4printf, w4dprintf prototypes
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# include <debnot.h>
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# ifdef FLAT
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# include <sem.hxx>
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# include <dllsem.hxx>
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# endif // FLAT
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extern "C"
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{
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# ifdef FLAT
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# undef FAR
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# undef NEAR
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# else
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# define MessageBoxA MessageBox
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# endif
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# include <windows.h>
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}
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#ifdef _CHICAGO_
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int WINAPI SSMessageBox(HWND hWnd,LPCSTR lpText,LPCSTR lpCaption, UINT uType);
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#endif // _CHICAGO_
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extern BOOL gfService = FALSE;
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unsigned long Win4InfoLevel = DEF_INFOLEVEL;
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unsigned long Win4InfoMask = 0xffffffff;
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ULONG Win4AssertLevel = 0;
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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: _Win4Assert, 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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// History: 12-Jul-91 AlexT Created.
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// 05-Sep-91 AlexT Catch Throws and Catches
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// 19-Oct-92 HoiV Added events for TOM
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//
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//----------------------------------------------------------------------------
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STDAPI_(void) 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 defined( FLAT )
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//
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// This code is for the CT Lab only. When running in the lab,
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// all assert popups will be trapped and notifications will
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// be sent to the manager. If running in the office (non-lab
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// mode), the event CTTOMTrapAssertEvent will not exist and
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// consequently, no event will be pulsed.
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//
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HANDLE hTrapAssertEvent,
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hThreadStartEvent;
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if (hTrapAssertEvent = OpenEvent(EVENT_ALL_ACCESS,
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FALSE,
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CAIRO_CT_TOM_TRAP_ASSERT_EVENT))
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{
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SetEvent(hTrapAssertEvent);
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//
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// This event is to allow TOM Manager time to perform
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// a CallBack to the dispatcher.
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//
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if (hThreadStartEvent = OpenEvent(EVENT_ALL_ACCESS,
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FALSE,
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CAIRO_CT_TOM_THREAD_START_EVENT))
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{
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//
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// Wait until it's ok to popup or until timed-out
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//
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WaitForSingleObject(hThreadStartEvent, TWO_MINUTES);
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}
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}
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#endif
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if (Win4AssertLevel & ASSRT_MESSAGE)
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{
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# ifdef FLAT
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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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# else // FLAT
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_asdprintf("%s File: %s Line: %u\n", szMessage, szFile, iLine);
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# endif // FLAT
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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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#ifdef FLAT
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DebugBreak();
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#else
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#ifndef unix
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DebugBreak();
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#endif /* unix */
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#endif
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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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#ifdef FLAT
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DebugBreak();
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#else
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#ifndef unix
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DebugBreak();
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#endif /* unix */
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#endif
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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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STDAPI_(int) 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, NULL, '\\');
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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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wsprintf(szAssertCaption,"Process: %s File: %s line %u, thread id %d.%d",
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pszModuleName, szFile, iLine, pid, tid);
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DWORD dwMessageFlags = MB_SETFOREGROUND | MB_TASKMODAL |
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MB_ICONEXCLAMATION | MB_OKCANCEL;
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#ifndef _CHICAGO_
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// Since this code is also used by SCM.EXE, we pass
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// in the following flag which causes Service pop ups
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// to appear on the desktop correctly
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if (gfService)
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{
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dwMessageFlags |= MB_SERVICE_NOTIFICATION | MB_DEFAULT_DESKTOP_ONLY;
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}
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id = MessageBoxA(NULL,(char *) szMsg, (LPSTR) szAssertCaption,
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dwMessageFlags);
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# ifdef _CAIRO_
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// Other processes which are services also use this code, but they
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// have no access to set gfService, so if the above failed with an
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// access denied error (meaning no access to the default desktop)
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// retry as a service popup. Also, remember that we are a service
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// so we don't waste attempts later.
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if ( !gfService && !id
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&& (GetLastError() == ERROR_ACCESS_DENIED) )
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{
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gfService = TRUE;
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dwMessageFlags |= MB_SERVICE_NOTIFICATION | MB_DEFAULT_DESKTOP_ONLY;
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id = MessageBoxA(NULL,(char *) szMsg, (LPSTR) szAssertCaption,
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dwMessageFlags);
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}
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# endif
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#else
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id = SSMessageBox(NULL, (char *) szMsg, (LPSTR) szAssertCaption,
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dwMessageFlags);
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#endif
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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). Oh well.
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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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//
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// This semaphore is *outside* vdprintf because the compiler isn't smart
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// enough to serialize access for construction if it's function-local and
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// protected by a guard variable.
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//
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// KyleP - 20 May, 1993
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//
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static CMutexSem mxs;
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STDAPI_(void) 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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#if defined( FLAT )
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mxs.Request();
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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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#endif // FLAT
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{
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if (! (ulCompMask & DEB_NOCOMPNAME))
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{
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#ifdef FLAT
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#if defined(_CHICAGO_)
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//
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// Hex Process/Thread ID's are better for Chicago since both
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// are memory addresses.
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//
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w4dprintf( "%08x.%08x> ", pid, tid );
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#else
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w4dprintf( "%d.%03d> ", pid, tid );
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#endif
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#endif // FLAT
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w4dprintf("%s: ", pszComp);
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}
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w4vdprintf(ppszfmt, pargs);
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}
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#if defined( FLAT )
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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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w4printf( "%03d> ", tid );
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w4printf("%s: ", pszComp);
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}
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w4vprintf(ppszfmt, pargs);
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}
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mxs.Release();
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#endif // FLAT
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}
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}
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#else
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int assertDontUseThisName(void)
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{
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return 1;
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}
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||
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#endif // DBG == 1
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||
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