1// Base to std::allocator -*- C++ -*- 
2 
3// Copyright (C) 2004-2019 Free Software Foundation, Inc. 
4// 
5// This file is part of the GNU ISO C++ Library. This library is free 
6// software; you can redistribute it and/or modify it under the 
7// terms of the GNU General Public License as published by the 
8// Free Software Foundation; either version 3, or (at your option) 
9// any later version. 
10 
11// This library is distributed in the hope that it will be useful, 
12// but WITHOUT ANY WARRANTY; without even the implied warranty of 
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
14// GNU General Public License for more details. 
15 
16// Under Section 7 of GPL version 3, you are granted additional 
17// permissions described in the GCC Runtime Library Exception, version 
18// 3.1, as published by the Free Software Foundation. 
19 
20// You should have received a copy of the GNU General Public License and 
21// a copy of the GCC Runtime Library Exception along with this program; 
22// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 
23// <http://www.gnu.org/licenses/>. 
24 
25/** @file bits/c++allocator.h 
26 * This is an internal header file, included by other library headers. 
27 * Do not attempt to use it directly. @headername{memory} 
28 */ 
29 
30#ifndef _GLIBCXX_CXX_ALLOCATOR_H 
31#define _GLIBCXX_CXX_ALLOCATOR_H 1 
32 
33#include <ext/new_allocator.h> 
34 
35#if __cplusplus >= 201103L 
36namespace std 
37{ 
38 /** 
39 * @brief An alias to the base class for std::allocator. 
40 * @ingroup allocators 
41 * 
42 * Used to set the std::allocator base class to 
43 * __gnu_cxx::new_allocator. 
44 * 
45 * @tparam _Tp Type of allocated object. 
46 */ 
47 template<typename _Tp> 
48 using __allocator_base = __gnu_cxx::new_allocator<_Tp>; 
49} 
50#else 
51// Define new_allocator as the base class to std::allocator. 
52# define __allocator_base __gnu_cxx::new_allocator 
53#endif 
54 
55#if defined(__SANITIZE_ADDRESS__) && !defined(_GLIBCXX_SANITIZE_STD_ALLOCATOR) 
56# define _GLIBCXX_SANITIZE_STD_ALLOCATOR 1 
57#endif 
58 
59#endif 
60