include/wx/msw/msvcrt.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/msvcrt.h
   3 // Purpose:     macros to use some non-standard features of MS Visual C++
   4 //              C run-time library
   5 // Author:      Vadim Zeitlin
   6 // Modified by:
   7 // Created:     31.01.1999
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) Vadim Zeitlin
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 // the goal of this file is to define wxCrtSetDbgFlag() macro which may be
  14 // used like this:
  15 //      wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF);
  16 // to turn on memory leak checks for programs compiled with Microsoft Visual
  17 // C++ (5.0+). The macro will not be defined under other compilers or if it
  18 // can't be used with MSVC for whatever reason.
  19
  20 #ifndef _MSW_MSVCRT_H_
  21 #define _MSW_MSVCRT_H_
  22
  23 // use debug CRT functions for memory leak detections in VC++ 5.0+ in debug
  24 // builds
  25 #undef wxUSE_VC_CRTDBG
  26 #if defined(_DEBUG) && defined(__VISUALC__) && (__VISUALC__ >= 1000) \
  27     && !defined(UNDER_CE)
  28     // it doesn't combine well with wxWin own memory debugging methods
  29     #if !wxUSE_GLOBAL_MEMORY_OPERATORS && !wxUSE_MEMORY_TRACING && !defined(__NO_VC_CRTDBG__)
  30         #define wxUSE_VC_CRTDBG
  31     #endif
  32 #endif
  33
  34 #ifdef wxUSE_VC_CRTDBG
  35     // Need to undef new if including crtdbg.h which may redefine new itself
  36     #ifdef new
  37         #undef new
  38     #endif
  39
  40     #include <stdlib.h>
  41     #ifndef _CRTBLD
  42         // Needed when building with pure MS SDK
  43         #define _CRTBLD
  44     #endif
  45
  46     #include <crtdbg.h>
  47
  48     #undef WXDEBUG_NEW
  49     #define WXDEBUG_NEW new(_NORMAL_BLOCK, __FILE__, __LINE__)
  50
  51     // this define works around a bug with inline declarations of new, see
  52     //
  53     //      http://support.microsoft.com/kb/q140858/
  54     //
  55     // for the details
  56     #define new  WXDEBUG_NEW
  57
  58     #define wxCrtSetDbgFlag(flag) \
  59         _CrtSetDbgFlag(_CrtSetDbgFlag(_CRTDBG_REPORT_FLAG) | (flag))
  60 #else // !using VC CRT
  61     #define wxCrtSetDbgFlag(flag)
  62 #endif // wxUSE_VC_CRTDBG
  63
  64 #endif // _MSW_MSVCRT_H_
  65