Leaked source code of windows server 2003
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159 lines
3.8 KiB

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