// Allocators -*- C++ -*- // Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library 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, or (at your option) // any later version. // This library 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 this library; see the file COPYING. If not, write to the Free // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, // USA. // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. /* * Copyright (c) 1996-1997 * Silicon Graphics Computer Systems, Inc. * * Permission to use, copy, modify, distribute and sell this software * and its documentation for any purpose is hereby granted without fee, * provided that the above copyright notice appear in all copies and * that both that copyright notice and this permission notice appear * in supporting documentation. Silicon Graphics makes no * representations about the suitability of this software for any * purpose. It is provided "as is" without express or implied warranty. */ /** @file allocator.h * This is an internal header file, included by other library headers. * You should not attempt to use it directly. */ #ifndef _ALLOCATOR_H #define _ALLOCATOR_H 1 // Define the base class to std::allocator. #include <bits/c++allocator.h> namespace std { template<typename _Tp> class allocator; /// allocator<void> specialization. template<> class allocator<void> { public: typedef size_t size_type; typedef ptrdiff_t difference_type; typedef void* pointer; typedef const void* const_pointer; typedef void value_type; template<typename _Tp1> struct rebind { typedef allocator<_Tp1> other; }; }; /** * @brief The "standard" allocator, as per [20.4]. * * Further details: * http://gcc.gnu.org/onlinedocs/libstdc++/20_util/allocator.html */ template<typename _Tp> class allocator: public ___glibcxx_base_allocator<_Tp> { public: typedef size_t size_type; typedef ptrdiff_t difference_type; typedef _Tp* pointer; typedef const _Tp* const_pointer; typedef _Tp& reference; typedef const _Tp& const_reference; typedef _Tp value_type; template<typename _Tp1> struct rebind { typedef allocator<_Tp1> other; }; allocator() throw() { } allocator(const allocator& __a) throw() : ___glibcxx_base_allocator<_Tp>(__a) { } template<typename _Tp1> allocator(const allocator<_Tp1>&) throw() { } ~allocator() throw() { } // Inherit everything else. }; template<typename _T1, typename _T2> inline bool operator==(const allocator<_T1>&, const allocator<_T2>&) { return true; } template<typename _T1, typename _T2> inline bool operator!=(const allocator<_T1>&, const allocator<_T2>&) { return false; } // Inhibit implicit instantiations for required instantiations, // which are defined via explicit instantiations elsewhere. // NB: This syntax is a GNU extension. #if _GLIBCXX_EXTERN_TEMPLATE extern template class allocator<char>; extern template class allocator<wchar_t>; #endif // Undefine. #undef ___glibcxx_base_allocator } // namespace std #endif