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159 lines
3.7 KiB
159 lines
3.7 KiB
#include "stdafx.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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//#define ACTIVE_SERVER_PAGES 1
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#ifdef _DEBUG
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void __cdecl
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Trace(
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LPCTSTR ptszFormat,
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...)
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{
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TCHAR tszBuff[2048];
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va_list args;
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va_start(args, ptszFormat);
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_vstprintf(tszBuff, ptszFormat, args);
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va_end(args);
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OutputDebugString(tszBuff);
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}
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# if defined(_MSC_VER) && (_MSC_VER >= 1000)
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# ifdef ACTIVE_SERVER_PAGES
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// The default assertion mechanism set up by Visual C++ 4 will not
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// work with Active Server Pages because it's running inside a service
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// and there is no desktop to interact with.
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// Note: for this to work properly, #define _WIN32_WINNT 0x400 before
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// including <winuser.h> or MB_SERVICE_NOTIFICATION won't be #define'd.
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int __cdecl
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AspAssertHandler(
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int nReportType,
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char* pszErrorText,
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int* pnReturn)
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{
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const char szInfo[] = " (Press ABORT to terminate IIS,"
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" RETRY to debug this failure,"
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" or IGNORE to continue.)";
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char* pszMessageTitle = NULL;
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// These flags enable message boxes to show up on the user's console
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switch (nReportType)
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{
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case _CRT_WARN:
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pszMessageTitle = "Warning";
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break;
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case _CRT_ERROR:
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pszMessageTitle = "Fatal Error";
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break;
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case _CRT_ASSERT:
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pszMessageTitle = "Assertion Failed";
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break;
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}
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char* pszMessageText =
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static_cast<char*>(_alloca(strlen(pszErrorText) + strlen(szInfo) + 1));
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strcpy(pszMessageText, pszErrorText);
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strcat(pszMessageText, szInfo);
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const int n = MessageBoxA(NULL, pszMessageText, pszMessageTitle,
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(MB_SERVICE_NOTIFICATION | MB_TOPMOST
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| MB_ABORTRETRYIGNORE | MB_ICONEXCLAMATION));
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if (n == IDABORT)
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{
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exit(1);
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}
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else if (n == IDRETRY)
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{
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*pnReturn = 1; // tell _CrtDbgReport to start the debugger
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return TRUE; // tell _CrtDbgReport to run
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}
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*pnReturn = 0; // nothing for _CrtDbgReport to do
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return FALSE;
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}
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# endif // ACTIVE_SERVER_PAGES
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# endif // _MSC_VER >= 1000
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void
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DebugInit()
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{
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# if defined(_MSC_VER) && (_MSC_VER >= 1000)
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# ifdef ACTIVE_SERVER_PAGES
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// If we end up in _CrtDbgReport, don't put up a message box
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_CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_DEBUG);
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_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_DEBUG);
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_CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_DEBUG);
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// Use AspAssertHandler to put up a message box instead
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_CrtSetReportHook(AspAssertHandler);
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# endif // ACTIVE_SERVER_PAGES
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// Enable debug heap allocations & check for memory leaks at program exit
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// The memory leak check will not be performed if inetinfo.exe is
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// run directly under a debugger, only if it is run as a service.
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_CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF
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| _CrtSetDbgFlag(_CRTDBG_REPORT_FLAG));
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# endif // _MSC_VER >= 1000
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}
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void
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DebugTerm()
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{
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# if defined(_MSC_VER) && (_MSC_VER >= 1000)
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# ifdef ACTIVE_SERVER_PAGES
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// Turn off AspAssertHandler, so that we don't get numerous message boxes
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// if there are memory leaks on shutdown
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_CrtSetReportHook(NULL);
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# endif // ACTIVE_SERVER_PAGES
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# endif // _MSC_VER >= 1000
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}
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#endif //_DEBUG
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BOOL
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IsValidString(
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LPCTSTR ptsz,
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int nLength /* =-1 */)
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{
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if (ptsz == NULL)
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return FALSE;
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return !IsBadStringPtr(ptsz, nLength);
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}
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BOOL
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IsValidAddress(
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LPCVOID pv,
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UINT nBytes,
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BOOL fReadWrite /* =TRUE */)
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{
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return (pv != NULL
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&& !IsBadReadPtr(pv, nBytes)
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&& (!fReadWrite || !IsBadWritePtr((LPVOID) pv, nBytes)));
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}
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