libstdc++
c++allocator.h
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00001 // Base to std::allocator -*- C++ -*-
00002 
00003 // Copyright (C) 2004-2013 Free Software Foundation, Inc.
00004 //
00005 // This file is part of the GNU ISO C++ Library.  This library is free
00006 // software; you can redistribute it and/or modify it under the
00007 // terms of the GNU General Public License as published by the
00008 // Free Software Foundation; either version 3, or (at your option)
00009 // any later version.
00010 
00011 // This library is distributed in the hope that it will be useful,
00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014 // GNU General Public License for more details.
00015 
00016 // Under Section 7 of GPL version 3, you are granted additional
00017 // permissions described in the GCC Runtime Library Exception, version
00018 // 3.1, as published by the Free Software Foundation.
00019 
00020 // You should have received a copy of the GNU General Public License and
00021 // a copy of the GCC Runtime Library Exception along with this program;
00022 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
00023 // <http://www.gnu.org/licenses/>.
00024 
00025 /** @file bits/c++allocator.h
00026  *  This is an internal header file, included by other library headers.
00027  *  Do not attempt to use it directly. @headername{memory}
00028  */
00029 
00030 #ifndef _GLIBCXX_CXX_ALLOCATOR_H
00031 #define _GLIBCXX_CXX_ALLOCATOR_H 1
00032 
00033 #include <ext/new_allocator.h>
00034 
00035 #if __cplusplus >= 201103L
00036 namespace std
00037 {
00038   /**
00039    *  @brief  An alias to the base class for std::allocator.
00040    *  @ingroup allocators
00041    *
00042    *  Used to set the std::allocator base class to
00043    *  __gnu_cxx::new_allocator.
00044    *
00045    *  @tparam  _Tp  Type of allocated object.
00046     */
00047   template<typename _Tp>
00048     using __allocator_base = __gnu_cxx::new_allocator<_Tp>;
00049 }
00050 #else
00051 // Define new_allocator as the base class to std::allocator.
00052 # define __allocator_base  __gnu_cxx::new_allocator
00053 #endif
00054 
00055 #endif