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ðŸ“„ algorithmfwd.h(21.23 KB)
ðŸ“„ alloc_traits.h(19.6 KB)
ðŸ“„ allocated_ptr.h(3.22 KB)
ðŸ“„ allocator.h(7.39 KB)
ðŸ“„ atomic_base.h(23.28 KB)
ðŸ“„ atomic_futex.h(9.35 KB)
ðŸ“„ atomic_lockfree_defines.h(2.2 KB)
ðŸ“„ basic_ios.h(15.7 KB)
ðŸ“„ basic_ios.tcc(5.94 KB)
ðŸ“„ basic_string.h(237.01 KB)
ðŸ“„ basic_string.tcc(52.5 KB)
ðŸ“„ boost_concept_check.h(26.52 KB)
ðŸ“„ c++0x_warning.h(1.44 KB)
ðŸ“„ char_traits.h(20.42 KB)
ðŸ“„ codecvt.h(20.79 KB)
ðŸ“„ concept_check.h(3.34 KB)
ðŸ“„ cpp_type_traits.h(9.56 KB)
ðŸ“„ cxxabi_forced.h(1.77 KB)
ðŸ“„ cxxabi_init_exception.h(2.17 KB)
ðŸ“„ deque.tcc(33.32 KB)
ðŸ“„ enable_special_members.h(12.1 KB)
ðŸ“„ exception.h(2.23 KB)
ðŸ“„ exception_defines.h(1.61 KB)
ðŸ“„ exception_ptr.h(5.84 KB)
ðŸ“„ forward_list.h(47.77 KB)
ðŸ“„ forward_list.tcc(12.86 KB)
ðŸ“„ fs_dir.h(14.38 KB)
ðŸ“„ fs_fwd.h(10.04 KB)
ðŸ“„ fs_ops.h(9.5 KB)
ðŸ“„ fs_path.h(32.12 KB)
ðŸ“„ fstream.tcc(32.03 KB)
ðŸ“„ functexcept.h(3.18 KB)
ðŸ“„ functional_hash.h(8.04 KB)
ðŸ“„ gslice.h(5.39 KB)
ðŸ“„ gslice_array.h(7.59 KB)
ðŸ“„ hash_bytes.h(2.1 KB)
ðŸ“„ hashtable.h(72.06 KB)
ðŸ“„ hashtable_policy.h(66.38 KB)
ðŸ“„ indirect_array.h(7.68 KB)
ðŸ“„ invoke.h(3.57 KB)
ðŸ“„ ios_base.h(30.3 KB)
ðŸ“„ istream.tcc(30.36 KB)
ðŸ“„ list.tcc(15.6 KB)
ðŸ“„ locale_classes.h(24.31 KB)
ðŸ“„ locale_classes.tcc(8.18 KB)
ðŸ“„ locale_conv.h(15.72 KB)
ðŸ“„ locale_facets.h(90.16 KB)
ðŸ“„ locale_facets.tcc(38.62 KB)
ðŸ“„ locale_facets_nonio.h(67.36 KB)
ðŸ“„ locale_facets_nonio.tcc(44.22 KB)
ðŸ“„ localefwd.h(5.51 KB)
ðŸ“„ mask_array.h(7.42 KB)
ðŸ“„ memoryfwd.h(2.4 KB)
ðŸ“„ move.h(6.38 KB)
ðŸ“„ nested_exception.h(4.69 KB)
ðŸ“„ node_handle.h(8.02 KB)
ðŸ“„ ostream.tcc(12.03 KB)
ðŸ“„ ostream_insert.h(3.91 KB)
ðŸ“„ parse_numbers.h(7.76 KB)
ðŸ“„ postypes.h(8.02 KB)
ðŸ“„ predefined_ops.h(8.87 KB)
ðŸ“„ ptr_traits.h(6.47 KB)
ðŸ“„ quoted_string.h(4.93 KB)
ðŸ“„ random.h(171.14 KB)
ðŸ“„ random.tcc(103.12 KB)
ðŸ“„ range_access.h(9.79 KB)
ðŸ“„ refwrap.h(11.61 KB)
ðŸ“„ regex.h(95.12 KB)
ðŸ“„ regex.tcc(16.18 KB)
ðŸ“„ regex_automaton.h(10.47 KB)
ðŸ“„ regex_automaton.tcc(7.65 KB)
ðŸ“„ regex_compiler.h(17.63 KB)
ðŸ“„ regex_compiler.tcc(18.84 KB)
ðŸ“„ regex_constants.h(14.36 KB)
ðŸ“„ regex_error.h(4.79 KB)
ðŸ“„ regex_executor.h(7.31 KB)
ðŸ“„ regex_executor.tcc(18.4 KB)
ðŸ“„ regex_scanner.h(6.92 KB)
ðŸ“„ regex_scanner.tcc(14.66 KB)
ðŸ“„ shared_ptr.h(22.88 KB)
ðŸ“„ shared_ptr_atomic.h(9.54 KB)
ðŸ“„ shared_ptr_base.h(53.01 KB)
ðŸ“„ slice_array.h(9.13 KB)
ðŸ“„ specfun.h(45.95 KB)
ðŸ“„ sstream.tcc(9.9 KB)
ðŸ“„ std_abs.h(3.19 KB)
ðŸ“„ std_function.h(22.71 KB)
ðŸ“„ std_mutex.h(9.08 KB)
ðŸ“„ stl_algo.h(209.27 KB)
ðŸ“„ stl_algobase.h(49.31 KB)
ðŸ“„ stl_bvector.h(32.94 KB)
ðŸ“„ stl_construct.h(7.22 KB)
ðŸ“„ stl_deque.h(76.73 KB)
ðŸ“„ stl_function.h(40.77 KB)
ðŸ“„ stl_heap.h(19.73 KB)
ðŸ“„ stl_iterator.h(41.3 KB)
ðŸ“„ stl_iterator_base_funcs.h(7.99 KB)
ðŸ“„ stl_iterator_base_types.h(8.48 KB)
ðŸ“„ stl_list.h(65.97 KB)
ðŸ“„ stl_map.h(51.55 KB)
ðŸ“„ stl_multimap.h(40.58 KB)
ðŸ“„ stl_multiset.h(34.97 KB)
ðŸ“„ stl_numeric.h(13.51 KB)
ðŸ“„ stl_pair.h(18.21 KB)
ðŸ“„ stl_queue.h(23.51 KB)
ðŸ“„ stl_raw_storage_iter.h(3.74 KB)
ðŸ“„ stl_relops.h(4.49 KB)
ðŸ“„ stl_set.h(35.28 KB)
ðŸ“„ stl_stack.h(11.66 KB)
ðŸ“„ stl_tempbuf.h(8.15 KB)
ðŸ“„ stl_tree.h(73.15 KB)
ðŸ“„ stl_uninitialized.h(27.06 KB)
ðŸ“„ stl_vector.h(59.12 KB)
ðŸ“„ stream_iterator.h(6.5 KB)
ðŸ“„ streambuf.tcc(4.81 KB)
ðŸ“„ streambuf_iterator.h(13.44 KB)
ðŸ“„ string_view.tcc(6.54 KB)
ðŸ“„ stringfwd.h(2.55 KB)
ðŸ“„ uniform_int_dist.h(9.84 KB)
ðŸ“„ unique_ptr.h(25.38 KB)
ðŸ“„ unordered_map.h(73.58 KB)
ðŸ“„ unordered_set.h(57.76 KB)
ðŸ“„ uses_allocator.h(6.37 KB)
ðŸ“„ valarray_after.h(22.12 KB)
ðŸ“„ valarray_array.h(21.3 KB)
ðŸ“„ valarray_array.tcc(7.08 KB)
ðŸ“„ valarray_before.h(18.08 KB)
ðŸ“„ vector.tcc(28.95 KB)

Editing: allocator.h

// Allocators -*- C++ -*-

// Copyright (C) 2001-2018 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// <http://www.gnu.org/licenses/>.

/*
 * Copyright (c) 1996-1997
 * Silicon Graphics Computer Systems, Inc.
 *
 * Permission to use, copy, modify, distribute and sell this software
 * and its documentation for any purpose is hereby granted without fee,
 * provided that the above copyright notice appear in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation.  Silicon Graphics makes no
 * representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied warranty.
 */

/** @file bits/allocator.h
 *  This is an internal header file, included by other library headers.
 *  Do not attempt to use it directly. @headername{memory}
 */

#ifndef _ALLOCATOR_H
#define _ALLOCATOR_H 1

#include <bits/c++allocator.h> // Define the base class to std::allocator.
#include <bits/memoryfwd.h>
#if __cplusplus >= 201103L
#include <type_traits>
#endif

#define __cpp_lib_incomplete_container_elements 201505
#if __cplusplus >= 201103L
# define __cpp_lib_allocator_is_always_equal 201411
#endif

namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION

/**
   *  @addtogroup allocators
   *  @{
   */

/// allocator<void> specialization.
  template<>
    class allocator<void>
    {
    public:
      typedef size_t      size_type;
      typedef ptrdiff_t   difference_type;
      typedef void*       pointer;
      typedef const void* const_pointer;
      typedef void        value_type;

template<typename _Tp1>
	struct rebind
	{ typedef allocator<_Tp1> other; };

#if __cplusplus >= 201103L
      // _GLIBCXX_RESOLVE_LIB_DEFECTS
      // 2103. std::allocator propagate_on_container_move_assignment
      typedef true_type propagate_on_container_move_assignment;

typedef true_type is_always_equal;

template<typename _Up, typename... _Args>
	void
	construct(_Up* __p, _Args&&... __args)
	{ ::new((void *)__p) _Up(std::forward<_Args>(__args)...); }

template<typename _Up>
	void
	destroy(_Up* __p) { __p->~_Up(); }
#endif
    };

/**
   * @brief  The @a standard allocator, as per [20.4].
   *
   *  See https://gcc.gnu.org/onlinedocs/libstdc++/manual/memory.html#std.util.memory.allocator
   *  for further details.
   *
   *  @tparam  _Tp  Type of allocated object.
   */
  template<typename _Tp>
    class allocator : public __allocator_base<_Tp>
    {
   public:
      typedef size_t     size_type;
      typedef ptrdiff_t  difference_type;
      typedef _Tp*       pointer;
      typedef const _Tp* const_pointer;
      typedef _Tp&       reference;
      typedef const _Tp& const_reference;
      typedef _Tp        value_type;

template<typename _Tp1>
	struct rebind
	{ typedef allocator<_Tp1> other; };

#if __cplusplus >= 201103L
      // _GLIBCXX_RESOLVE_LIB_DEFECTS
      // 2103. std::allocator propagate_on_container_move_assignment
      typedef true_type propagate_on_container_move_assignment;

typedef true_type is_always_equal;
#endif

allocator() throw() { }

allocator(const allocator& __a) throw()
      : __allocator_base<_Tp>(__a) { }

template<typename _Tp1>
	allocator(const allocator<_Tp1>&) throw() { }

~allocator() throw() { }

// Inherit everything else.
    };

template<typename _T1, typename _T2>
    inline bool
    operator==(const allocator<_T1>&, const allocator<_T2>&)
    _GLIBCXX_USE_NOEXCEPT
    { return true; }

template<typename _Tp>
    inline bool
    operator==(const allocator<_Tp>&, const allocator<_Tp>&)
    _GLIBCXX_USE_NOEXCEPT
    { return true; }

template<typename _T1, typename _T2>
    inline bool
    operator!=(const allocator<_T1>&, const allocator<_T2>&)
    _GLIBCXX_USE_NOEXCEPT
    { return false; }

template<typename _Tp>
    inline bool
    operator!=(const allocator<_Tp>&, const allocator<_Tp>&)
    _GLIBCXX_USE_NOEXCEPT
    { return false; }

// Invalid allocator<cv T> partial specializations.
  // allocator_traits::rebind_alloc can be used to form a valid allocator type.
  template<typename _Tp>
    class allocator<const _Tp>
    {
    public:
      typedef _Tp value_type;
      template<typename _Up> allocator(const allocator<_Up>&) { }
    };

template<typename _Tp>
    class allocator<volatile _Tp>
    {
    public:
      typedef _Tp value_type;
      template<typename _Up> allocator(const allocator<_Up>&) { }
    };

template<typename _Tp>
    class allocator<const volatile _Tp>
    {
    public:
      typedef _Tp value_type;
      template<typename _Up> allocator(const allocator<_Up>&) { }
    };

/// @} group allocator

// Inhibit implicit instantiations for required instantiations,
  // which are defined via explicit instantiations elsewhere.
#if _GLIBCXX_EXTERN_TEMPLATE
  extern template class allocator<char>;
  extern template class allocator<wchar_t>;
#endif

// Undefine.
#undef __allocator_base

// To implement Option 3 of DR 431.
  template<typename _Alloc, bool = __is_empty(_Alloc)>
    struct __alloc_swap
    { static void _S_do_it(_Alloc&, _Alloc&) _GLIBCXX_NOEXCEPT { } };

template<typename _Alloc>
    struct __alloc_swap<_Alloc, false>
    {
      static void
      _S_do_it(_Alloc& __one, _Alloc& __two) _GLIBCXX_NOEXCEPT
      {
	// Precondition: swappable allocators.
	if (__one != __two)
	  swap(__one, __two);
      }
    };

// Optimize for stateless allocators.
  template<typename _Alloc, bool = __is_empty(_Alloc)>
    struct __alloc_neq
    {
      static bool
      _S_do_it(const _Alloc&, const _Alloc&)
      { return false; }
    };

template<typename _Alloc>
    struct __alloc_neq<_Alloc, false>
    {
      static bool
      _S_do_it(const _Alloc& __one, const _Alloc& __two)
      { return __one != __two; }
    };

#if __cplusplus >= 201103L
  template<typename _Tp, bool
    = __or_<is_copy_constructible<typename _Tp::value_type>,
            is_nothrow_move_constructible<typename _Tp::value_type>>::value>
    struct __shrink_to_fit_aux
    { static bool _S_do_it(_Tp&) noexcept { return false; } };

template<typename _Tp>
    struct __shrink_to_fit_aux<_Tp, true>
    {
      static bool
      _S_do_it(_Tp& __c) noexcept
      {
#if __cpp_exceptions
	try
	  {
	    _Tp(__make_move_if_noexcept_iterator(__c.begin()),
		__make_move_if_noexcept_iterator(__c.end()),
		__c.get_allocator()).swap(__c);
	    return true;
	  }
	catch(...)
	  { return false; }
#else
	return false;
#endif
      }
    };
#endif

_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std

#endif

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