memdebug.h

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// $Id: memdebug.h 751 2006-03-31 15:43:49Z alex $
/* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE
================================XARAHEADERSTART===========================
 
               Xara LX, a vector drawing and manipulation program.
                    Copyright (C) 1993-2006 Xara Group Ltd.
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              respective authors. See AUTHORS file for details.

LICENSE TO USE AND MODIFY SOFTWARE
----------------------------------

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=================================XARAHEADEREND============================
 */

#ifndef INC_MEMDEBUG
#define INC_MEMDEBUG

// TODO reporting macros
#define __STR2__(x) #x
#define __STR1__(x) __STR2__(x)
#define __LOCMSG__ __FILE__ "("__STR1__(__LINE__)") : Port Message: "
#define __LOCWRN__ __FILE__ "("__STR1__(__LINE__)") : Warning: "

#define THIS_FILE       __FILE__

#if defined(__WXMSW__)

#include <crtdbg.h>

//  The debug memory tracking system (see afxmem.cpp for derivation of windows code)
// Don't complain that this is using malloc/free so opening, so does MFC! 
#if defined(_DEBUG)
inline void *operator new( size_t nSize, LPCSTR pszFile, INT32 nLine )
{
    return _malloc_dbg( nSize, _NORMAL_BLOCK, pszFile, nLine );
}

inline void operator delete(void* p, LPCSTR lpszFileName, INT32 nLine)
{
    _free_dbg( p, _NORMAL_BLOCK );
}
#endif

inline bool IsValidAddress( const void* p, size_t nBytes,
    BOOL bReadWrite = TRUE )
{
#if defined(_DEBUG)
    return ((p != NULL) && !IsBadReadPtr(p, nBytes) &&
        (!bReadWrite || !IsBadWritePtr(const_cast<LPVOID>(p), nBytes)));
#else
    nBytes,bReadWrite;
    return (p != NULL);
#endif
}

#elif defined(__WXGTK__)

#define _set_new_handler    set_new_handler
typedef void (*_PNH)( void );

// The debug memory tracking system
#if defined(_DEBUG)
inline void *operator new( size_t nSize, LPCSTR pszFile, INT32 nLine )
{
    return operator new( nSize );
}

inline void *operator new[]( size_t nSize, LPCSTR pszFile, INT32 nLine )
{
    return operator new[]( nSize );
}
#endif

inline bool IsValidAddress( const void* p, size_t nBytes,
    BOOL bReadWrite = TRUE )
{
    return true;
}

#elif defined(__WXMAC__)

PORTNOTE("MacPort", "Memory tracking is disabled on the Mac")
#define _set_new_handler    set_new_handler
typedef void (*_PNH)( void );

// The debug memory tracking system
//#if defined(_DEBUG)
//inline void *operator new( size_t nSize, LPCSTR pszFile, INT32 nLine )
//{
//  return operator new( nSize );
//}
//
//inline void *operator new[]( size_t nSize, LPCSTR pszFile, INT32 nLine )
//{
//  return operator new[]( nSize );
//}
//#endif

inline bool IsValidAddress( const void* p, size_t nBytes,
    BOOL bReadWrite = TRUE )
{
    return true;
}

#else
#pragma error( "wxCamelot is not supported on your platform" )
#endif

#endif

---