1  // Base to std::allocator -*- C++ -*-
       2  
       3  // Copyright (C) 2004-2023 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/malloc_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::malloc_allocator.
      44     *
      45     *  @tparam  _Tp  Type of allocated object.
      46      */
      47    template<typename _Tp>
      48      using __allocator_base = __gnu_cxx::malloc_allocator<_Tp>;
      49  }
      50  #else
      51  // Define malloc_allocator as the base class to std::allocator.
      52  # define __allocator_base  __gnu_cxx::malloc_allocator
      53  #endif
      54  
      55  #ifndef _GLIBCXX_SANITIZE_STD_ALLOCATOR
      56  # if defined(__SANITIZE_ADDRESS__)
      57  #  define _GLIBCXX_SANITIZE_STD_ALLOCATOR 1
      58  # elif defined __has_feature
      59  #  if __has_feature(address_sanitizer)
      60  #   define _GLIBCXX_SANITIZE_STD_ALLOCATOR 1
      61  #  endif
      62  # endif
      63  #endif
      64  
      65  #endif