106 lines
2.1 KiB
C++
106 lines
2.1 KiB
C++
//
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// Debug.cpp
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//
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// Debug functionality shared between different projects (for use in
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// non-MFC projects).
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//
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// History:
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//
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// 3/??/96 KenSh Copied from InetSDK sample, added AfxTrace from MFC
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// 4/10/96 KenSh Renamed AfxTrace to MyTrace (to avoid linking conflicts
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// when linking with MFC).
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// 11/15/96 KenSh Automatically break on assert within assert
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//
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#include "stdafx.h"
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#ifdef _DEBUG
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#include "Debug.h"
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#include <stdlib.h>
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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// determine number of elements in an array (not bytes)
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#ifndef _countof
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#define _countof(array) (sizeof(array)/sizeof((array)[0]))
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#endif
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//*** Globals
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//
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static BOOL g_bInAssert = FALSE;
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// DisplayAssert
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//
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// Given a file and line number, displays an Assertion dialog box with
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// Abort/Retry/Ignore choices.
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//
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// Returns TRUE if the program should break into the debugger, else FALSE.
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//
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extern "C" BOOL DisplayAssert(LPCSTR pszMessage, LPCSTR pszFile, UINT nLine)
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{
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char szMsg[250];
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if (!pszFile)
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pszFile = _T("Unknown file");
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if (!pszMessage)
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pszMessage = _T("");
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// Break on assert within assert
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if (g_bInAssert)
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{
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AfxDebugBreak();
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return FALSE;
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}
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wnsprintf(szMsg, ARRAYSIZE(szMsg), _T("Assertion Failed! Abort, Break, or Ignore?\n\nFile: %s\nLine: %d\n\n%s"),
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pszFile, nLine, pszMessage);
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HWND hwndActive = GetActiveWindow();
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// Put up a dialog box
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//
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g_bInAssert = TRUE;
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int nResult = MessageBox(hwndActive, szMsg, _T("Assertion failed!"),
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MB_ICONHAND | MB_ABORTRETRYIGNORE | MB_SYSTEMMODAL);
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g_bInAssert = FALSE;
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switch(nResult)
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{
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case IDABORT:
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FatalAppExit(0, _T("Bye"));
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return FALSE;
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case IDRETRY:
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return TRUE; // Need to break into debugger
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default:
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return FALSE; // continue.
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}
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}
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void __cdecl MyTrace(const char* lpszFormat, ...)
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{
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va_list args;
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va_start(args, lpszFormat);
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int nBuf;
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TCHAR szBuffer[512];
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nBuf = wvnsprintf(szBuffer, ARRAYSIZE(szBuffer), lpszFormat, args);
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ASSERT(nBuf < _countof(szBuffer));
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OutputDebugString(szBuffer);
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va_end(args);
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}
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#endif // _DEBUG
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