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537 lines
12 KiB
537 lines
12 KiB
/***
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*DbgRpt.c - Debug Cluster Reporting Functions
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*
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* Copyright (c) 1988-1998, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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*
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*******************************************************************************/
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#include <malloc.h>
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#include <mbstring.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <signal.h>
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#include <string.h>
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#include <windows.h>
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#define CLRTL_INCLUDE_DEBUG_REPORTING
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#include "ClRtlDbg.h"
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#define _ClRtlInterlockedIncrement InterlockedIncrement
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#define _ClRtlInterlockedDecrement InterlockedDecrement
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/*---------------------------------------------------------------------------
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*
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* Debug Reporting
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*
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--------------------------------------------------------------------------*/
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static int ClRtlMessageWindow(
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int,
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const char *,
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const char *,
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const char *,
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const char *
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);
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static int __clrtlMessageBoxA(
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LPCSTR lpText,
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LPCSTR lpCaption,
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UINT uType
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);
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extern "C"
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{
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_CLRTL_REPORT_HOOK _pfnReportHook;
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long _clrtlAssertBusy = -1;
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int _ClRtlDbgMode[_CLRTLDBG_ERRCNT] = {
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_CLRTLDBG_MODE_DEBUG,
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_CLRTLDBG_MODE_DEBUG | _CLRTLDBG_MODE_WNDW,
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_CLRTLDBG_MODE_DEBUG | _CLRTLDBG_MODE_WNDW
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};
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_HFILE _ClRtlDbgFile[_CLRTLDBG_ERRCNT] = {
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_CLRTLDBG_INVALID_HFILE,
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_CLRTLDBG_INVALID_HFILE,
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_CLRTLDBG_INVALID_HFILE
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};
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}
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static const char * _ClRtlDbgModeMsg[_CLRTLDBG_ERRCNT] = { "Warning", "Error", "Assertion Failed" };
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/***
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*void _ClRtlDebugBreak - call OS-specific debug function
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*
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*Purpose:
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* call OS-specific debug function
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*
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*Entry:
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*
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*Exit:
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*
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*Exceptions:
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*
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*******************************************************************************/
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#undef _ClRtlDbgBreak
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extern "C" void _cdecl _ClRtlDbgBreak(
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void
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)
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{
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DebugBreak();
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} //*** _ClRtlDbgBreak()
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/***
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*int _ClRtlSetReportMode - set the reporting mode for a given report type
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*
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*Purpose:
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* set the reporting mode for a given report type
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*
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*Entry:
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* int nRptType - the report type
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* int fMode - new mode for given report type
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*
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*Exit:
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* previous mode for given report type
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*
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*Exceptions:
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*
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*******************************************************************************/
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extern "C" int __cdecl _ClRtlSetReportMode(
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int nRptType,
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int fMode
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)
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{
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int oldMode;
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if (nRptType < 0 || nRptType >= _CLRTLDBG_ERRCNT)
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return -1;
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if (fMode == _CLRTLDBG_REPORT_MODE)
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return _ClRtlDbgMode[nRptType];
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/* verify flags values */
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if (fMode & ~(_CLRTLDBG_MODE_FILE | _CLRTLDBG_MODE_DEBUG | _CLRTLDBG_MODE_WNDW))
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return -1;
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oldMode = _ClRtlDbgMode[nRptType];
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_ClRtlDbgMode[nRptType] = fMode;
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return oldMode;
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} //*** _ClRtlSetReportMode()
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/***
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*int _ClRtlSetReportFile - set the reporting file for a given report type
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*
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*Purpose:
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* set the reporting file for a given report type
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*
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*Entry:
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* int nRptType - the report type
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* _HFILE hFile - new file for given report type
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*
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*Exit:
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* previous file for given report type
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*
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*Exceptions:
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*
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*******************************************************************************/
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extern "C" _HFILE __cdecl _ClRtlSetReportFile(
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int nRptType,
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_HFILE hFile
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)
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{
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_HFILE oldFile;
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if (nRptType < 0 || nRptType >= _CLRTLDBG_ERRCNT)
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return _CLRTLDBG_HFILE_ERROR;
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if (hFile == _CLRTLDBG_REPORT_FILE)
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return _ClRtlDbgFile[nRptType];
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oldFile = _ClRtlDbgFile[nRptType];
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if (_CLRTLDBG_FILE_STDOUT == hFile)
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_ClRtlDbgFile[nRptType] = GetStdHandle(STD_OUTPUT_HANDLE);
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else if (_CLRTLDBG_FILE_STDERR == hFile)
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_ClRtlDbgFile[nRptType] = GetStdHandle(STD_ERROR_HANDLE);
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else
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_ClRtlDbgFile[nRptType] = hFile;
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return oldFile;
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} //*** _ClRtlSetReportFile()
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/***
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*_CLRTL_REPORT_HOOK _ClRtlSetReportHook() - set client report hook
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*
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*Purpose:
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* set client report hook
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*
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*Entry:
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* _CLRTL_REPORT_HOOK pfnNewHook - new report hook
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*
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*Exit:
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* return previous hook
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*
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*Exceptions:
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*
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*******************************************************************************/
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extern "C" _CLRTL_REPORT_HOOK __cdecl _ClRtlSetReportHook(
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_CLRTL_REPORT_HOOK pfnNewHook
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)
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{
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_CLRTL_REPORT_HOOK pfnOldHook = _pfnReportHook;
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_pfnReportHook = pfnNewHook;
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return pfnOldHook;
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} //*** _ClRtlSetReportHook()
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#define MAXLINELEN 64
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#define MAX_MSG 4096
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#define TOOLONGMSG "_ClRtlDbgReport: String too long or IO Error"
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/***
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*int _ClRtlDbgReport() - primary reporting function
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*
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*Purpose:
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* Display a message window with the following format.
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*
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* ================= Microsft Visual C++ Debug Library ================
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*
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* {Warning! | Error! | Assertion Failed!}
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*
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* Program: c:\test\mytest\foo.exe
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* [Module: c:\test\mytest\bar.dll]
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* [File: c:\test\mytest\bar.c]
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* [Line: 69]
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*
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* {<warning or error message> | Expression: <expression>}
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*
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* [For information on how your program can cause an assertion
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* failure, see the Visual C++ documentation on asserts]
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*
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* (Press Retry to debug the application)
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*
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* ===================================================================
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*
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*Entry:
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* int nRptType - report type
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* const char * szFile - file name
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* int nLine - line number
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* const char * szModule - module name
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* const char * szFormat - format string
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* ... - var args
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*
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*Exit:
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* if (MessageBox)
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* {
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* Abort -> aborts
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* Retry -> return TRUE
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* Ignore-> return FALSE
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* }
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* else
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* return FALSE
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*
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*Exceptions:
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*
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*******************************************************************************/
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extern "C" int __cdecl _ClRtlDbgReport(
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int nRptType,
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const char * szFile,
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int nLine,
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const char * szModule,
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const char * szFormat,
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...
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)
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{
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int retval;
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va_list arglist;
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char szLineMessage[MAX_MSG] = {0};
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char szOutMessage[MAX_MSG] = {0};
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char szUserMessage[MAX_MSG] = {0};
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#define ASSERTINTRO1 "Assertion failed: "
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#define ASSERTINTRO2 "Assertion failed!"
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va_start(arglist, szFormat);
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if (nRptType < 0 || nRptType >= _CLRTLDBG_ERRCNT)
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return -1;
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/*
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* handle the (hopefully rare) case of
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*
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* 1) ASSERT while already dealing with an ASSERT
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* or
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* 2) two threads asserting at the same time
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*/
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if (_CLRTLDBG_ASSERT == nRptType && _ClRtlInterlockedIncrement(&_clrtlAssertBusy) > 0)
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{
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/* use only 'safe' functions -- must not assert in here! */
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static int (APIENTRY *pfnwsprintfA)(LPSTR, LPCSTR, ...) = NULL;
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if (NULL == pfnwsprintfA)
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{
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HINSTANCE hlib = LoadLibraryA("user32.dll");
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if (NULL == hlib || NULL == (pfnwsprintfA =
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(int (APIENTRY *)(LPSTR, LPCSTR, ...))
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GetProcAddress(hlib, "wsprintfA")))
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return -1;
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}
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(*pfnwsprintfA)( szOutMessage,
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"Second Chance Assertion Failed: File %s, Line %d\n",
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szFile, nLine);
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OutputDebugStringA(szOutMessage);
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_ClRtlInterlockedDecrement(&_clrtlAssertBusy);
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_ClRtlDbgBreak();
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return -1;
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}
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if (szFormat && _vsnprintf(szUserMessage,
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MAX_MSG-max(sizeof(ASSERTINTRO1),sizeof(ASSERTINTRO2)),
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szFormat,
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arglist) < 0)
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strcpy(szUserMessage, TOOLONGMSG);
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if (_CLRTLDBG_ASSERT == nRptType)
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strcpy(szLineMessage, szFormat ? ASSERTINTRO1 : ASSERTINTRO2);
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strcat(szLineMessage, szUserMessage);
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if (_CLRTLDBG_ASSERT == nRptType)
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{
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if (_ClRtlDbgMode[nRptType] & _CLRTLDBG_MODE_FILE)
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strcat(szLineMessage, "\r");
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strcat(szLineMessage, "\n");
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}
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if (szFile)
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{
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if (_snprintf(szOutMessage, MAX_MSG, "%s(%d) : %s",
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szFile, nLine, szLineMessage) < 0)
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strcpy(szOutMessage, TOOLONGMSG);
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}
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else
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strcpy(szOutMessage, szLineMessage);
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/* user hook may handle report */
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if (_pfnReportHook && (*_pfnReportHook)(nRptType, szOutMessage, &retval))
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{
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if (_CLRTLDBG_ASSERT == nRptType)
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_ClRtlInterlockedDecrement(&_clrtlAssertBusy);
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return retval;
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}
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if (_ClRtlDbgMode[nRptType] & _CLRTLDBG_MODE_FILE)
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{
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if (_ClRtlDbgFile[nRptType] != _CLRTLDBG_INVALID_HFILE)
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{
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DWORD written;
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WriteFile(_ClRtlDbgFile[nRptType], szOutMessage, strlen(szOutMessage), &written, NULL);
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}
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}
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if (_ClRtlDbgMode[nRptType] & _CLRTLDBG_MODE_DEBUG)
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{
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OutputDebugStringA(szOutMessage);
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}
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if (_ClRtlDbgMode[nRptType] & _CLRTLDBG_MODE_WNDW)
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{
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char szLine[20];
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retval = ClRtlMessageWindow(nRptType, szFile, nLine ? _itoa(nLine, szLine, 10) : NULL, szModule, szUserMessage);
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if (_CLRTLDBG_ASSERT == nRptType)
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_ClRtlInterlockedDecrement(&_clrtlAssertBusy);
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return retval;
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}
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if (_CLRTLDBG_ASSERT == nRptType)
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_ClRtlInterlockedDecrement(&_clrtlAssertBusy);
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/* ignore */
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return FALSE;
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} //*** _ClRtlDbgReport()
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/***
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*static int ClRtlMessageWindow() - report to a message window
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*
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*Purpose:
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* put report into message window, allow user to choose action to take
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*
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*Entry:
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* int nRptType - report type
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* const char * szFile - file name
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* const char * szLine - line number
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* const char * szModule - module name
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* const char * szUserMessage - user message
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*
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*Exit:
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* if (MessageBox)
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* {
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* Abort -> aborts
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* Retry -> return TRUE
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* Ignore-> return FALSE
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* }
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* else
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* return FALSE
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*
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*Exceptions:
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*
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*******************************************************************************/
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static int ClRtlMessageWindow(
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int nRptType,
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const char * szFile,
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const char * szLine,
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const char * szModule,
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const char * szUserMessage
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)
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{
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int nCode;
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char *szShortProgName;
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char *szShortModuleName;
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char szExeName[MAX_PATH];
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char szOutMessage[MAX_MSG];
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_CLRTL_ASSERTE(szUserMessage != NULL);
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/* Shorten program name */
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if (!GetModuleFileNameA(NULL, szExeName, MAX_PATH))
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strcpy(szExeName, "<program name unknown>");
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szShortProgName = szExeName;
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if (strlen(szShortProgName) > MAXLINELEN)
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{
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szShortProgName += strlen(szShortProgName) - MAXLINELEN;
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strncpy(szShortProgName, "...", 3);
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}
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/* Shorten module name */
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szShortModuleName = (char *) szModule;
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if (szShortModuleName && strlen(szShortModuleName) > MAXLINELEN)
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{
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szShortModuleName += strlen(szShortModuleName) - MAXLINELEN;
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strncpy(szShortModuleName, "...", 3);
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}
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if (_snprintf(szOutMessage, MAX_MSG,
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"Debug %s!\n\nProgram: %s%s%s%s%s%s%s%s%s%s%s"
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"\n\n(Press Retry to debug the application)",
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_ClRtlDbgModeMsg[nRptType],
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szShortProgName,
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szShortModuleName ? "\nModule: " : "",
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szShortModuleName ? szShortModuleName : "",
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szFile ? "\nFile: " : "",
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szFile ? szFile : "",
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szLine ? "\nLine: " : "",
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szLine ? szLine : "",
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szUserMessage[0] ? "\n\n" : "",
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szUserMessage[0] && _CLRTLDBG_ASSERT == nRptType ? "Expression: " : "",
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szUserMessage[0] ? szUserMessage : "",
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0 /*_CLRTLDBG_ASSERT == nRptType*/ ? // Don't display this text, it's superfluous
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"\n\nFor information on how your program can cause an assertion"
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"\nfailure, see the Visual C++ documentation on asserts."
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: "") < 0)
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strcpy(szOutMessage, TOOLONGMSG);
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/* Report the warning/error */
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nCode = __clrtlMessageBoxA(
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szOutMessage,
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"Microsoft Visual C++ Debug Library",
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MB_TASKMODAL|MB_ICONHAND|MB_ABORTRETRYIGNORE|MB_SETFOREGROUND);
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/* Abort: abort the program */
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if (IDABORT == nCode)
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{
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/* raise abort signal */
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raise(SIGABRT);
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/* We usually won't get here, but it's possible that
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SIGABRT was ignored. So exit the program anyway. */
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_exit(3);
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}
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/* Retry: return 1 to call the debugger */
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if (IDRETRY == nCode)
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return 1;
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/* Ignore: continue execution */
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return 0;
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} //*** ClRtlMessageWindow()
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/***
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*__clrtlMessageBoxA - call MessageBoxA dynamically.
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*
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*Purpose:
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* Avoid static link with user32.dll. Only load it when actually needed.
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*
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*Entry:
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* see MessageBoxA docs.
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*
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*Exit:
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* see MessageBoxA docs.
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*
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*Exceptions:
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*
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*******************************************************************************/
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static int __clrtlMessageBoxA(
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LPCSTR lpText,
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LPCSTR lpCaption,
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UINT uType
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)
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{
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static int (APIENTRY *pfnMessageBoxA)(HWND, LPCSTR, LPCSTR, UINT) = NULL;
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static HWND (APIENTRY *pfnGetActiveWindow)(void) = NULL;
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static HWND (APIENTRY *pfnGetLastActivePopup)(HWND) = NULL;
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HWND hWndParent = NULL;
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if (NULL == pfnMessageBoxA)
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{
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HINSTANCE hlib = LoadLibraryA("user32.dll");
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if (NULL == hlib || NULL == (pfnMessageBoxA =
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(int (APIENTRY *)(HWND, LPCSTR, LPCSTR, UINT))
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GetProcAddress(hlib, "MessageBoxA")))
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return 0;
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pfnGetActiveWindow = (HWND (APIENTRY *)(void))
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GetProcAddress(hlib, "GetActiveWindow");
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pfnGetLastActivePopup = (HWND (APIENTRY *)(HWND))
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GetProcAddress(hlib, "GetLastActivePopup");
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}
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if (pfnGetActiveWindow)
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hWndParent = (*pfnGetActiveWindow)();
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if (hWndParent != NULL && pfnGetLastActivePopup)
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hWndParent = (*pfnGetLastActivePopup)(hWndParent);
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return (*pfnMessageBoxA)(hWndParent, lpText, lpCaption, uType);
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} //*** __clrtlMessageBoxA()
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