//
// Copyright (C) 2000-2002 Andrey Slepuhin <pooh@msu.ru>
//
// libp++ is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// libp++ is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with libp++; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
// $Source$
// $Revision$
// $Date$
// Author: Andrey Slepuhin <pooh@msu.ru>

#ifndef __pxx_malloc_allocator_ih__
#define __pxx_malloc_allocator_ih__

#include "pxx_malloc_allocator.hh"
#include "pxx_allocator.ih"
#include "pxx_sys_error.ih"

namespace pxx
{

inline MallocAllocator::MallocAllocator ()
{}

inline MallocAllocator::~MallocAllocator ()
{}

//
// Allocate memory block of _size bytes
inline void* MallocAllocator::allocate (size_t _size)
  throw (SysError)
{
  void* p = malloc(_size);
  if (p != null) return p;
  else throw SysError(ENOMEM);
}

//
// Free memory block at _ptr
inline void MallocAllocator::deallocate (void* _ptr)
{
  free(_ptr);
}

//
// Resize memory block at _ptr to _size bytes
inline void* MallocAllocator::reallocate (void* _ptr, size_t _size)
  throw (SysError)
{
  void* p = realloc(_ptr, _size);
  if (p != null) return p;
  else throw SysError(ENOMEM);
}

//
// Returns (if possible) a real size (probably larger then given)
// of memory block to be allocated
inline size_t MallocAllocator::get_real_size (size_t _size) const
{
  return _size;
}

//
// Returns (if possible) the start address of allocated block containing a
// pointer, otherwise returns null
inline void* MallocAllocator::get_block (void*)
{
  return null;
}

//
// The same as previous, but using block size
inline void* MallocAllocator::get_block (void*, size_t)
{
  return null;
}

inline bool MallocAllocator::is_dyn_addr (void*)
{
  return false;
}

}

#endif // __pxx_malloc_allocator_ih__