std_alloc

// vi:set ft=cpp: -*- Mode: C++ -*-
/*
 * (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,
 *               Alexander Warg <warg@os.inf.tu-dresden.de>
 *     economic rights: Technische Universität Dresden (Germany)
 *
 * License: see LICENSE.spdx (in this directory or the directories above)
 */
 
#pragma once
 
#include <stddef.h>
namespace cxx {
class Nothrow {};
}
 
inline void *operator new (size_t, void *mem, cxx::Nothrow const &) noexcept
{ return mem; }
 
void *operator new (size_t, cxx::Nothrow const &) noexcept;
 
void operator delete (void *, cxx::Nothrow const &) noexcept;
 
namespace cxx {
 
 
template< typename _Type >
class New_allocator
{
public:
  enum { can_free = true };
 
  New_allocator() noexcept {}
  New_allocator(New_allocator const &) noexcept {}
 
  ~New_allocator() noexcept {}
  
  _Type *alloc() noexcept
  { return static_cast<_Type*>(::operator new(sizeof (_Type), cxx::Nothrow())); }
  
  void free(_Type *t) noexcept
  { ::operator delete(t, cxx::Nothrow()); }
};
 
}