xref: /netbsd-src/external/gpl3/gcc/dist/libstdc++-v3/config/allocator/new_allocator_base.h (revision b1e838363e3c6fc78a55519254d99869742dd33c)
1 // Base to std::allocator -*- C++ -*-
2 
3 // Copyright (C) 2004-2022 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 <bits/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    *
41    *  Used to set the std::allocator base class to std::__new_allocator.
42    *
43    *  @ingroup allocators
44    *  @tparam  _Tp  Type of allocated object.
45     */
46   template<typename _Tp>
47     using __allocator_base = __new_allocator<_Tp>;
48 }
49 #else
50 // Define __new_allocator as the base class to std::allocator.
51 # define __allocator_base  __new_allocator
52 #endif
53 
54 #ifndef _GLIBCXX_SANITIZE_STD_ALLOCATOR
55 # if defined(__SANITIZE_ADDRESS__)
56 #  define _GLIBCXX_SANITIZE_STD_ALLOCATOR 1
57 # elif defined __has_feature
58 #  if __has_feature(address_sanitizer)
59 #   define _GLIBCXX_SANITIZE_STD_ALLOCATOR 1
60 #  endif
61 # endif
62 #endif
63 
64 #endif
65