OdAllocOp.h

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// Copyright (C) 2002-2017, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valuable  
// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Teigha(R) software pursuant to a license 
//   agreement with Open Design Alliance.
//   Teigha(R) Copyright (C) 2002-2017 by Open Design Alliance. 
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you 
// acknowledge and accept the above terms.
#ifndef __ODAALLOCOP_H__
#define __ODAALLOCOP_H__
#include <stdlib.h>
#include "OdAllocExport.h"
#include "OdAlloc.h"
#include <new>
 
// Duplicate symbol link errors result using PocketPC if we define our own new & delete
#if !defined(_WIN32_WCE) 
 
#ifdef _MSC_VER
#pragma warning(disable: 4290)  // C++ exception spec. ignored
#endif
 
#if (defined(__GNUC__) && __GNUC__ >= 5) || (defined(_MSC_VER) && _MSC_VER >= 1800) //VS2015 and newer or GCC 5 and newer (support sized deallocation)
#define ODRX_SIZED_DEALLOC_OPERATORS() \
    void operator delete(void* p, std::size_t) \
    { \
      if (!p) return; \
      ::odrxFree(p); \
    } \
    void operator delete[](void* p, std::size_t) \
    { \
      if (!p) return; \
      ::odrxFree(p); \
    }\
      void operator delete(void* ptr, std::size_t s, const std::nothrow_t&) \
    { \
      operator delete(ptr, s); \
    } \
      void operator delete[](void* ptr, std::size_t s, const std::nothrow_t&) \
    { \
      operator delete[](ptr, s); \
    } \
 
#else
  #define ODRX_SIZED_DEALLOC_OPERATORS()
#endif
 
#define ODRX_NOTHROW_ALLOC_OPERATORS() \
void *operator new    (size_t size, const std::nothrow_t&)    throw() { return operator new(size); } \
void * operator new[] (::size_t count, const std::nothrow_t&) throw() { return operator new[](count); }\
void operator delete[](void *ptr, const std::nothrow_t&)      throw() { operator delete[](ptr); } \
void operator delete  (void *ptr, const std::nothrow_t&)      throw() { operator delete(ptr); } \
 
#ifdef __GNUC__
  #define ODRX_ALLOC_OPERATORS() \
  void* operator new (size_t size) \
  { \
    void* p = ::odrxAlloc(size); \
    return p; \
  } \
  void operator delete (void *p) throw() \
  { \
    if (!p) return; \
    ::odrxFree(p); \
  } \
  void* operator new[](size_t size) \
  { \
    void* p = ::odrxAlloc(size); \
    return p; \
  } \
  void operator delete[](void *p) throw() \
  { \
    if (!p) return; \
    ::odrxFree(p); \
  } \
  ODRX_NOTHROW_ALLOC_OPERATORS() \
  ODRX_SIZED_DEALLOC_OPERATORS() \
 
#else //__GNUC__
  #define ODRX_ALLOC_OPERATORS() \
  void* operator new (size_t size) \
  { \
  void* p = ::odrxAlloc(size); \
    /*Under GCC std::allocator allocates zero sizes via operator new (by default)*/ \
    if (!p && size) throw std::bad_alloc(); \
    return p; \
  } \
  void operator delete (void *p) throw() \
  { \
    if (!p) return; \
    ::odrxFree(p); \
  } \
  void* operator new[](size_t size) \
  { \
    void* p = ::odrxAlloc(size); \
    if (!p && size) throw std::bad_alloc(); \
    return p; \
  } \
  void operator delete[](void *p) throw() \
  { \
    if (!p) return; \
    ::odrxFree(p); \
  } \
  ODRX_NOTHROW_ALLOC_OPERATORS() \
  ODRX_SIZED_DEALLOC_OPERATORS() \
 
#endif //__GNUC__
#else
 
#define ODRX_ALLOC_OPERATORS()
#define ODRX_CRTDBG_MAP_ALLOC_OPERATORS()
 
#endif 
 
// Support _CRTDBG_MAP_ALLOC memory allocation
#if (_MSC_VER >= 1200) && defined(_DEBUG) && defined(_CRTDBG_MAP_ALLOC)
 
#define ODRX_CRTDBG_MAP_ALLOC_OPERATORS() \
extern "C" { extern _CRTIMP void * __cdecl _malloc_dbg(size_t, int, const char *, int); } \
void* __cdecl operator new(size_t size, int type, const char* fname, int line) { return _malloc_dbg(size, type, fname, line); } \
void* __cdecl operator new[](size_t size, int type, const char* fname, int line) { return operator new(size, type, fname, line); } \
 
#else //_CRTDBG_MAP_ALLOC
 
#ifdef _MSC_VER
#define TD_CDECL __cdecl
#else
#define TD_CDECL
#endif
 
#if !defined(_WIN32_WCE)
#define ODRX_CRTDBG_MAP_ALLOC_OPERATORS() \
void* TD_CDECL operator new(size_t size, int, const char*,int) { return ::operator new(size); } \
void* TD_CDECL operator new[](size_t size, int, const char*, int) { return ::operator new[](size); }
 
#endif 
 
#endif //_CRTDBG_MAP_ALLOC
#endif //__ODAALLOCOP_H__