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