libstdc++

c++allocator.h
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1 // Base to std::allocator -*- C++ -*-
2
3 // Copyright (C) 2004-2013 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
36 namespace 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 #endif