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Date
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algorithmfwd.h
21.23
KB
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2025-03-31 10:36
alloc_traits.h
19.6
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2025-03-31 10:36
allocated_ptr.h
3.22
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2025-03-31 10:36
allocator.h
7.39
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2025-03-31 10:36
atomic_base.h
23.28
KB
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2025-03-31 10:36
atomic_futex.h
9.35
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2025-03-31 10:36
atomic_lockfree_defines.h
2.2
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2025-03-31 10:36
basic_ios.h
15.7
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2025-03-31 10:36
basic_ios.tcc
5.94
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2025-03-31 10:36
basic_string.h
237.01
KB
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2025-03-31 10:36
basic_string.tcc
52.5
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2025-03-31 10:36
boost_concept_check.h
26.52
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2025-03-31 10:36
c++0x_warning.h
1.44
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2025-03-31 10:36
char_traits.h
20.42
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2025-03-31 10:36
codecvt.h
20.79
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2025-03-31 10:36
concept_check.h
3.34
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2025-03-31 10:36
cpp_type_traits.h
9.56
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2025-03-31 10:36
cxxabi_forced.h
1.77
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2025-03-31 10:36
cxxabi_init_exception.h
2.17
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2025-03-31 10:36
deque.tcc
33.32
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2025-03-31 10:36
enable_special_members.h
12.1
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2025-03-31 10:36
exception.h
2.23
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2025-03-31 10:36
exception_defines.h
1.61
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2025-03-31 10:36
exception_ptr.h
5.84
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2025-03-31 10:36
forward_list.h
47.77
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2025-03-31 10:36
forward_list.tcc
12.86
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2025-03-31 10:36
fs_dir.h
14.38
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2025-03-31 10:36
fs_fwd.h
10.04
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2025-03-31 10:36
fs_ops.h
9.5
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2025-03-31 10:36
fs_path.h
32.12
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2025-03-31 10:36
fstream.tcc
32.03
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2025-03-31 10:36
functexcept.h
3.18
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2025-03-31 10:36
functional_hash.h
8.04
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2025-03-31 10:36
gslice.h
5.39
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2025-03-31 10:36
gslice_array.h
7.59
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2025-03-31 10:36
hash_bytes.h
2.1
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2025-03-31 10:36
hashtable.h
72.06
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2025-03-31 10:36
hashtable_policy.h
66.38
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2025-03-31 10:36
indirect_array.h
7.68
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2025-03-31 10:36
invoke.h
3.57
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2025-03-31 10:36
ios_base.h
30.3
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2025-03-31 10:36
istream.tcc
30.36
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2025-03-31 10:36
list.tcc
15.6
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2025-03-31 10:36
locale_classes.h
24.31
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2025-03-31 10:36
locale_classes.tcc
8.18
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2025-03-31 10:36
locale_conv.h
15.72
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2025-03-31 10:36
locale_facets.h
90.16
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2025-03-31 10:36
locale_facets.tcc
38.62
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2025-03-31 10:36
locale_facets_nonio.h
67.36
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2025-03-31 10:36
locale_facets_nonio.tcc
44.22
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2025-03-31 10:36
localefwd.h
5.51
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2025-03-31 10:36
mask_array.h
7.42
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2025-03-31 10:36
memoryfwd.h
2.4
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2025-03-31 10:36
move.h
6.38
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2025-03-31 10:36
nested_exception.h
4.69
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2025-03-31 10:36
node_handle.h
8.02
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2025-03-31 10:36
ostream.tcc
12.03
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2025-03-31 10:36
ostream_insert.h
3.91
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2025-03-31 10:36
parse_numbers.h
7.76
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2025-03-31 10:36
postypes.h
8.02
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2025-03-31 10:36
predefined_ops.h
8.87
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2025-03-31 10:36
ptr_traits.h
6.47
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2025-03-31 10:36
quoted_string.h
4.93
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2025-03-31 10:36
random.h
171.14
KB
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2025-03-31 10:36
random.tcc
103.12
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2025-03-31 10:36
range_access.h
9.79
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2025-03-31 10:36
refwrap.h
11.61
KB
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2025-03-31 10:36
regex.h
95.12
KB
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2025-03-31 10:36
regex.tcc
16.18
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2025-03-31 10:36
regex_automaton.h
10.47
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2025-03-31 10:36
regex_automaton.tcc
7.65
KB
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2025-03-31 10:36
regex_compiler.h
17.63
KB
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2025-03-31 10:36
regex_compiler.tcc
18.84
KB
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2025-03-31 10:36
regex_constants.h
14.36
KB
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2025-03-31 10:36
regex_error.h
4.79
KB
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2025-03-31 10:36
regex_executor.h
7.31
KB
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2025-03-31 10:36
regex_executor.tcc
18.4
KB
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2025-03-31 10:36
regex_scanner.h
6.92
KB
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2025-03-31 10:36
regex_scanner.tcc
14.66
KB
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2025-03-31 10:36
shared_ptr.h
22.88
KB
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2025-03-31 10:36
shared_ptr_atomic.h
9.54
KB
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2025-03-31 10:36
shared_ptr_base.h
53.01
KB
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2025-03-31 10:36
slice_array.h
9.13
KB
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2025-03-31 10:36
specfun.h
45.95
KB
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2025-03-31 10:36
sstream.tcc
9.9
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2025-03-31 10:36
std_abs.h
3.19
KB
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2025-03-31 10:36
std_function.h
22.71
KB
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2025-03-31 10:36
std_mutex.h
9.08
KB
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2025-03-31 10:36
stl_algo.h
209.27
KB
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2025-03-31 10:36
stl_algobase.h
49.31
KB
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2025-03-31 10:36
stl_bvector.h
32.94
KB
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2025-03-31 10:36
stl_construct.h
7.22
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2025-03-31 10:36
stl_deque.h
76.73
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2025-03-31 10:36
stl_function.h
40.77
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2025-03-31 10:36
stl_heap.h
19.73
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2025-03-31 10:36
stl_iterator.h
41.3
KB
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2025-03-31 10:36
stl_iterator_base_funcs.h
7.99
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2025-03-31 10:36
stl_iterator_base_types.h
8.48
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2025-03-31 10:36
stl_list.h
65.97
KB
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2025-03-31 10:36
stl_map.h
51.55
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2025-03-31 10:36
stl_multimap.h
40.58
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2025-03-31 10:36
stl_multiset.h
34.97
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2025-03-31 10:36
stl_numeric.h
13.51
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2025-03-31 10:36
stl_pair.h
18.21
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2025-03-31 10:36
stl_queue.h
23.51
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2025-03-31 10:36
stl_raw_storage_iter.h
3.74
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2025-03-31 10:36
stl_relops.h
4.49
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2025-03-31 10:36
stl_set.h
35.28
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2025-03-31 10:36
stl_stack.h
11.66
KB
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2025-03-31 10:36
stl_tempbuf.h
8.15
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2025-03-31 10:36
stl_tree.h
73.15
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2025-03-31 10:36
stl_uninitialized.h
27.06
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2025-03-31 10:36
stl_vector.h
59.12
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2025-03-31 10:36
stream_iterator.h
6.5
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2025-03-31 10:36
streambuf.tcc
4.81
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2025-03-31 10:36
streambuf_iterator.h
13.44
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2025-03-31 10:36
string_view.tcc
6.54
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2025-03-31 10:36
stringfwd.h
2.55
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2025-03-31 10:36
uniform_int_dist.h
9.84
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2025-03-31 10:36
unique_ptr.h
25.38
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2025-03-31 10:36
unordered_map.h
73.58
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2025-03-31 10:36
unordered_set.h
57.76
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2025-03-31 10:36
uses_allocator.h
6.37
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2025-03-31 10:36
valarray_after.h
22.12
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2025-03-31 10:36
valarray_array.h
21.3
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2025-03-31 10:36
valarray_array.tcc
7.08
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2025-03-31 10:36
valarray_before.h
18.08
KB
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2025-03-31 10:36
vector.tcc
28.95
KB
-rw-r--r--
2025-03-31 10:36
Save
Rename
// Raw memory manipulators -*- 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) 1994 * Hewlett-Packard Company * * 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. Hewlett-Packard Company makes no * representations about the suitability of this software for any * purpose. It is provided "as is" without express or implied warranty. * * * 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/stl_uninitialized.h * This is an internal header file, included by other library headers. * Do not attempt to use it directly. @headername{memory} */ #ifndef _STL_UNINITIALIZED_H #define _STL_UNINITIALIZED_H 1 #if __cplusplus > 201402L #include <utility> #endif #if __cplusplus >= 201103L #include <type_traits> #endif namespace std _GLIBCXX_VISIBILITY(default) { _GLIBCXX_BEGIN_NAMESPACE_VERSION template<bool _TrivialValueTypes> struct __uninitialized_copy { template<typename _InputIterator, typename _ForwardIterator> static _ForwardIterator __uninit_copy(_InputIterator __first, _InputIterator __last, _ForwardIterator __result) { _ForwardIterator __cur = __result; __try { for (; __first != __last; ++__first, (void)++__cur) std::_Construct(std::__addressof(*__cur), *__first); return __cur; } __catch(...) { std::_Destroy(__result, __cur); __throw_exception_again; } } }; template<> struct __uninitialized_copy<true> { template<typename _InputIterator, typename _ForwardIterator> static _ForwardIterator __uninit_copy(_InputIterator __first, _InputIterator __last, _ForwardIterator __result) { return std::copy(__first, __last, __result); } }; /** * @brief Copies the range [first,last) into result. * @param __first An input iterator. * @param __last An input iterator. * @param __result An output iterator. * @return __result + (__first - __last) * * Like copy(), but does not require an initialized output range. */ template<typename _InputIterator, typename _ForwardIterator> inline _ForwardIterator uninitialized_copy(_InputIterator __first, _InputIterator __last, _ForwardIterator __result) { typedef typename iterator_traits<_InputIterator>::value_type _ValueType1; typedef typename iterator_traits<_ForwardIterator>::value_type _ValueType2; #if __cplusplus < 201103L const bool __assignable = true; #else // trivial types can have deleted assignment typedef typename iterator_traits<_InputIterator>::reference _RefType1; typedef typename iterator_traits<_ForwardIterator>::reference _RefType2; const bool __assignable = is_assignable<_RefType2, _RefType1>::value; #endif return std::__uninitialized_copy<__is_trivial(_ValueType1) && __is_trivial(_ValueType2) && __assignable>:: __uninit_copy(__first, __last, __result); } template<bool _TrivialValueType> struct __uninitialized_fill { template<typename _ForwardIterator, typename _Tp> static void __uninit_fill(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __x) { _ForwardIterator __cur = __first; __try { for (; __cur != __last; ++__cur) std::_Construct(std::__addressof(*__cur), __x); } __catch(...) { std::_Destroy(__first, __cur); __throw_exception_again; } } }; template<> struct __uninitialized_fill<true> { template<typename _ForwardIterator, typename _Tp> static void __uninit_fill(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __x) { std::fill(__first, __last, __x); } }; /** * @brief Copies the value x into the range [first,last). * @param __first An input iterator. * @param __last An input iterator. * @param __x The source value. * @return Nothing. * * Like fill(), but does not require an initialized output range. */ template<typename _ForwardIterator, typename _Tp> inline void uninitialized_fill(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __x) { typedef typename iterator_traits<_ForwardIterator>::value_type _ValueType; #if __cplusplus < 201103L const bool __assignable = true; #else // trivial types can have deleted assignment const bool __assignable = is_copy_assignable<_ValueType>::value; #endif std::__uninitialized_fill<__is_trivial(_ValueType) && __assignable>:: __uninit_fill(__first, __last, __x); } template<bool _TrivialValueType> struct __uninitialized_fill_n { template<typename _ForwardIterator, typename _Size, typename _Tp> static _ForwardIterator __uninit_fill_n(_ForwardIterator __first, _Size __n, const _Tp& __x) { _ForwardIterator __cur = __first; __try { for (; __n > 0; --__n, (void) ++__cur) std::_Construct(std::__addressof(*__cur), __x); return __cur; } __catch(...) { std::_Destroy(__first, __cur); __throw_exception_again; } } }; template<> struct __uninitialized_fill_n<true> { template<typename _ForwardIterator, typename _Size, typename _Tp> static _ForwardIterator __uninit_fill_n(_ForwardIterator __first, _Size __n, const _Tp& __x) { return std::fill_n(__first, __n, __x); } }; // _GLIBCXX_RESOLVE_LIB_DEFECTS // DR 1339. uninitialized_fill_n should return the end of its range /** * @brief Copies the value x into the range [first,first+n). * @param __first An input iterator. * @param __n The number of copies to make. * @param __x The source value. * @return Nothing. * * Like fill_n(), but does not require an initialized output range. */ template<typename _ForwardIterator, typename _Size, typename _Tp> inline _ForwardIterator uninitialized_fill_n(_ForwardIterator __first, _Size __n, const _Tp& __x) { typedef typename iterator_traits<_ForwardIterator>::value_type _ValueType; #if __cplusplus < 201103L const bool __assignable = true; #else // trivial types can have deleted assignment const bool __assignable = is_copy_assignable<_ValueType>::value; #endif return __uninitialized_fill_n<__is_trivial(_ValueType) && __assignable>:: __uninit_fill_n(__first, __n, __x); } // Extensions: versions of uninitialized_copy, uninitialized_fill, // and uninitialized_fill_n that take an allocator parameter. // We dispatch back to the standard versions when we're given the // default allocator. For nondefault allocators we do not use // any of the POD optimizations. template<typename _InputIterator, typename _ForwardIterator, typename _Allocator> _ForwardIterator __uninitialized_copy_a(_InputIterator __first, _InputIterator __last, _ForwardIterator __result, _Allocator& __alloc) { _ForwardIterator __cur = __result; __try { typedef __gnu_cxx::__alloc_traits<_Allocator> __traits; for (; __first != __last; ++__first, (void)++__cur) __traits::construct(__alloc, std::__addressof(*__cur), *__first); return __cur; } __catch(...) { std::_Destroy(__result, __cur, __alloc); __throw_exception_again; } } template<typename _InputIterator, typename _ForwardIterator, typename _Tp> inline _ForwardIterator __uninitialized_copy_a(_InputIterator __first, _InputIterator __last, _ForwardIterator __result, allocator<_Tp>&) { return std::uninitialized_copy(__first, __last, __result); } template<typename _InputIterator, typename _ForwardIterator, typename _Allocator> inline _ForwardIterator __uninitialized_move_a(_InputIterator __first, _InputIterator __last, _ForwardIterator __result, _Allocator& __alloc) { return std::__uninitialized_copy_a(_GLIBCXX_MAKE_MOVE_ITERATOR(__first), _GLIBCXX_MAKE_MOVE_ITERATOR(__last), __result, __alloc); } template<typename _InputIterator, typename _ForwardIterator, typename _Allocator> inline _ForwardIterator __uninitialized_move_if_noexcept_a(_InputIterator __first, _InputIterator __last, _ForwardIterator __result, _Allocator& __alloc) { return std::__uninitialized_copy_a (_GLIBCXX_MAKE_MOVE_IF_NOEXCEPT_ITERATOR(__first), _GLIBCXX_MAKE_MOVE_IF_NOEXCEPT_ITERATOR(__last), __result, __alloc); } template<typename _ForwardIterator, typename _Tp, typename _Allocator> void __uninitialized_fill_a(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __x, _Allocator& __alloc) { _ForwardIterator __cur = __first; __try { typedef __gnu_cxx::__alloc_traits<_Allocator> __traits; for (; __cur != __last; ++__cur) __traits::construct(__alloc, std::__addressof(*__cur), __x); } __catch(...) { std::_Destroy(__first, __cur, __alloc); __throw_exception_again; } } template<typename _ForwardIterator, typename _Tp, typename _Tp2> inline void __uninitialized_fill_a(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __x, allocator<_Tp2>&) { std::uninitialized_fill(__first, __last, __x); } template<typename _ForwardIterator, typename _Size, typename _Tp, typename _Allocator> _ForwardIterator __uninitialized_fill_n_a(_ForwardIterator __first, _Size __n, const _Tp& __x, _Allocator& __alloc) { _ForwardIterator __cur = __first; __try { typedef __gnu_cxx::__alloc_traits<_Allocator> __traits; for (; __n > 0; --__n, (void) ++__cur) __traits::construct(__alloc, std::__addressof(*__cur), __x); return __cur; } __catch(...) { std::_Destroy(__first, __cur, __alloc); __throw_exception_again; } } template<typename _ForwardIterator, typename _Size, typename _Tp, typename _Tp2> inline _ForwardIterator __uninitialized_fill_n_a(_ForwardIterator __first, _Size __n, const _Tp& __x, allocator<_Tp2>&) { return std::uninitialized_fill_n(__first, __n, __x); } // Extensions: __uninitialized_copy_move, __uninitialized_move_copy, // __uninitialized_fill_move, __uninitialized_move_fill. // All of these algorithms take a user-supplied allocator, which is used // for construction and destruction. // __uninitialized_copy_move // Copies [first1, last1) into [result, result + (last1 - first1)), and // move [first2, last2) into // [result, result + (last1 - first1) + (last2 - first2)). template<typename _InputIterator1, typename _InputIterator2, typename _ForwardIterator, typename _Allocator> inline _ForwardIterator __uninitialized_copy_move(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _InputIterator2 __last2, _ForwardIterator __result, _Allocator& __alloc) { _ForwardIterator __mid = std::__uninitialized_copy_a(__first1, __last1, __result, __alloc); __try { return std::__uninitialized_move_a(__first2, __last2, __mid, __alloc); } __catch(...) { std::_Destroy(__result, __mid, __alloc); __throw_exception_again; } } // __uninitialized_move_copy // Moves [first1, last1) into [result, result + (last1 - first1)), and // copies [first2, last2) into // [result, result + (last1 - first1) + (last2 - first2)). template<typename _InputIterator1, typename _InputIterator2, typename _ForwardIterator, typename _Allocator> inline _ForwardIterator __uninitialized_move_copy(_InputIterator1 __first1, _InputIterator1 __last1, _InputIterator2 __first2, _InputIterator2 __last2, _ForwardIterator __result, _Allocator& __alloc) { _ForwardIterator __mid = std::__uninitialized_move_a(__first1, __last1, __result, __alloc); __try { return std::__uninitialized_copy_a(__first2, __last2, __mid, __alloc); } __catch(...) { std::_Destroy(__result, __mid, __alloc); __throw_exception_again; } } // __uninitialized_fill_move // Fills [result, mid) with x, and moves [first, last) into // [mid, mid + (last - first)). template<typename _ForwardIterator, typename _Tp, typename _InputIterator, typename _Allocator> inline _ForwardIterator __uninitialized_fill_move(_ForwardIterator __result, _ForwardIterator __mid, const _Tp& __x, _InputIterator __first, _InputIterator __last, _Allocator& __alloc) { std::__uninitialized_fill_a(__result, __mid, __x, __alloc); __try { return std::__uninitialized_move_a(__first, __last, __mid, __alloc); } __catch(...) { std::_Destroy(__result, __mid, __alloc); __throw_exception_again; } } // __uninitialized_move_fill // Moves [first1, last1) into [first2, first2 + (last1 - first1)), and // fills [first2 + (last1 - first1), last2) with x. template<typename _InputIterator, typename _ForwardIterator, typename _Tp, typename _Allocator> inline void __uninitialized_move_fill(_InputIterator __first1, _InputIterator __last1, _ForwardIterator __first2, _ForwardIterator __last2, const _Tp& __x, _Allocator& __alloc) { _ForwardIterator __mid2 = std::__uninitialized_move_a(__first1, __last1, __first2, __alloc); __try { std::__uninitialized_fill_a(__mid2, __last2, __x, __alloc); } __catch(...) { std::_Destroy(__first2, __mid2, __alloc); __throw_exception_again; } } #if __cplusplus >= 201103L // Extensions: __uninitialized_default, __uninitialized_default_n, // __uninitialized_default_a, __uninitialized_default_n_a. template<bool _TrivialValueType> struct __uninitialized_default_1 { template<typename _ForwardIterator> static void __uninit_default(_ForwardIterator __first, _ForwardIterator __last) { _ForwardIterator __cur = __first; __try { for (; __cur != __last; ++__cur) std::_Construct(std::__addressof(*__cur)); } __catch(...) { std::_Destroy(__first, __cur); __throw_exception_again; } } }; template<> struct __uninitialized_default_1<true> { template<typename _ForwardIterator> static void __uninit_default(_ForwardIterator __first, _ForwardIterator __last) { typedef typename iterator_traits<_ForwardIterator>::value_type _ValueType; std::fill(__first, __last, _ValueType()); } }; template<bool _TrivialValueType> struct __uninitialized_default_n_1 { template<typename _ForwardIterator, typename _Size> static _ForwardIterator __uninit_default_n(_ForwardIterator __first, _Size __n) { _ForwardIterator __cur = __first; __try { for (; __n > 0; --__n, (void) ++__cur) std::_Construct(std::__addressof(*__cur)); return __cur; } __catch(...) { std::_Destroy(__first, __cur); __throw_exception_again; } } }; template<> struct __uninitialized_default_n_1<true> { template<typename _ForwardIterator, typename _Size> static _ForwardIterator __uninit_default_n(_ForwardIterator __first, _Size __n) { typedef typename iterator_traits<_ForwardIterator>::value_type _ValueType; return std::fill_n(__first, __n, _ValueType()); } }; // __uninitialized_default // Fills [first, last) with std::distance(first, last) default // constructed value_types(s). template<typename _ForwardIterator> inline void __uninitialized_default(_ForwardIterator __first, _ForwardIterator __last) { typedef typename iterator_traits<_ForwardIterator>::value_type _ValueType; // trivial types can have deleted assignment const bool __assignable = is_copy_assignable<_ValueType>::value; std::__uninitialized_default_1<__is_trivial(_ValueType) && __assignable>:: __uninit_default(__first, __last); } // __uninitialized_default_n // Fills [first, first + n) with n default constructed value_type(s). template<typename _ForwardIterator, typename _Size> inline _ForwardIterator __uninitialized_default_n(_ForwardIterator __first, _Size __n) { typedef typename iterator_traits<_ForwardIterator>::value_type _ValueType; // trivial types can have deleted assignment const bool __assignable = is_copy_assignable<_ValueType>::value; return __uninitialized_default_n_1<__is_trivial(_ValueType) && __assignable>:: __uninit_default_n(__first, __n); } // __uninitialized_default_a // Fills [first, last) with std::distance(first, last) default // constructed value_types(s), constructed with the allocator alloc. template<typename _ForwardIterator, typename _Allocator> void __uninitialized_default_a(_ForwardIterator __first, _ForwardIterator __last, _Allocator& __alloc) { _ForwardIterator __cur = __first; __try { typedef __gnu_cxx::__alloc_traits<_Allocator> __traits; for (; __cur != __last; ++__cur) __traits::construct(__alloc, std::__addressof(*__cur)); } __catch(...) { std::_Destroy(__first, __cur, __alloc); __throw_exception_again; } } template<typename _ForwardIterator, typename _Tp> inline void __uninitialized_default_a(_ForwardIterator __first, _ForwardIterator __last, allocator<_Tp>&) { std::__uninitialized_default(__first, __last); } // __uninitialized_default_n_a // Fills [first, first + n) with n default constructed value_types(s), // constructed with the allocator alloc. template<typename _ForwardIterator, typename _Size, typename _Allocator> _ForwardIterator __uninitialized_default_n_a(_ForwardIterator __first, _Size __n, _Allocator& __alloc) { _ForwardIterator __cur = __first; __try { typedef __gnu_cxx::__alloc_traits<_Allocator> __traits; for (; __n > 0; --__n, (void) ++__cur) __traits::construct(__alloc, std::__addressof(*__cur)); return __cur; } __catch(...) { std::_Destroy(__first, __cur, __alloc); __throw_exception_again; } } template<typename _ForwardIterator, typename _Size, typename _Tp> inline _ForwardIterator __uninitialized_default_n_a(_ForwardIterator __first, _Size __n, allocator<_Tp>&) { return std::__uninitialized_default_n(__first, __n); } template<bool _TrivialValueType> struct __uninitialized_default_novalue_1 { template<typename _ForwardIterator> static void __uninit_default_novalue(_ForwardIterator __first, _ForwardIterator __last) { _ForwardIterator __cur = __first; __try { for (; __cur != __last; ++__cur) std::_Construct_novalue(std::__addressof(*__cur)); } __catch(...) { std::_Destroy(__first, __cur); __throw_exception_again; } } }; template<> struct __uninitialized_default_novalue_1<true> { template<typename _ForwardIterator> static void __uninit_default_novalue(_ForwardIterator __first, _ForwardIterator __last) { } }; template<bool _TrivialValueType> struct __uninitialized_default_novalue_n_1 { template<typename _ForwardIterator, typename _Size> static _ForwardIterator __uninit_default_novalue_n(_ForwardIterator __first, _Size __n) { _ForwardIterator __cur = __first; __try { for (; __n > 0; --__n, (void) ++__cur) std::_Construct_novalue(std::__addressof(*__cur)); return __cur; } __catch(...) { std::_Destroy(__first, __cur); __throw_exception_again; } } }; template<> struct __uninitialized_default_novalue_n_1<true> { template<typename _ForwardIterator, typename _Size> static _ForwardIterator __uninit_default_novalue_n(_ForwardIterator __first, _Size __n) { return std::next(__first, __n); } }; // __uninitialized_default_novalue // Fills [first, last) with std::distance(first, last) default-initialized // value_types(s). template<typename _ForwardIterator> inline void __uninitialized_default_novalue(_ForwardIterator __first, _ForwardIterator __last) { typedef typename iterator_traits<_ForwardIterator>::value_type _ValueType; std::__uninitialized_default_novalue_1< is_trivially_default_constructible<_ValueType>::value>:: __uninit_default_novalue(__first, __last); } // __uninitialized_default_n // Fills [first, first + n) with n default-initialized value_type(s). template<typename _ForwardIterator, typename _Size> inline _ForwardIterator __uninitialized_default_novalue_n(_ForwardIterator __first, _Size __n) { typedef typename iterator_traits<_ForwardIterator>::value_type _ValueType; return __uninitialized_default_novalue_n_1< is_trivially_default_constructible<_ValueType>::value>:: __uninit_default_novalue_n(__first, __n); } template<typename _InputIterator, typename _Size, typename _ForwardIterator> _ForwardIterator __uninitialized_copy_n(_InputIterator __first, _Size __n, _ForwardIterator __result, input_iterator_tag) { _ForwardIterator __cur = __result; __try { for (; __n > 0; --__n, (void) ++__first, ++__cur) std::_Construct(std::__addressof(*__cur), *__first); return __cur; } __catch(...) { std::_Destroy(__result, __cur); __throw_exception_again; } } template<typename _RandomAccessIterator, typename _Size, typename _ForwardIterator> inline _ForwardIterator __uninitialized_copy_n(_RandomAccessIterator __first, _Size __n, _ForwardIterator __result, random_access_iterator_tag) { return std::uninitialized_copy(__first, __first + __n, __result); } template<typename _InputIterator, typename _Size, typename _ForwardIterator> pair<_InputIterator, _ForwardIterator> __uninitialized_copy_n_pair(_InputIterator __first, _Size __n, _ForwardIterator __result, input_iterator_tag) { _ForwardIterator __cur = __result; __try { for (; __n > 0; --__n, (void) ++__first, ++__cur) std::_Construct(std::__addressof(*__cur), *__first); return {__first, __cur}; } __catch(...) { std::_Destroy(__result, __cur); __throw_exception_again; } } template<typename _RandomAccessIterator, typename _Size, typename _ForwardIterator> inline pair<_RandomAccessIterator, _ForwardIterator> __uninitialized_copy_n_pair(_RandomAccessIterator __first, _Size __n, _ForwardIterator __result, random_access_iterator_tag) { auto __second_res = uninitialized_copy(__first, __first + __n, __result); auto __first_res = std::next(__first, __n); return {__first_res, __second_res}; } /** * @brief Copies the range [first,first+n) into result. * @param __first An input iterator. * @param __n The number of elements to copy. * @param __result An output iterator. * @return __result + __n * * Like copy_n(), but does not require an initialized output range. */ template<typename _InputIterator, typename _Size, typename _ForwardIterator> inline _ForwardIterator uninitialized_copy_n(_InputIterator __first, _Size __n, _ForwardIterator __result) { return std::__uninitialized_copy_n(__first, __n, __result, std::__iterator_category(__first)); } template<typename _InputIterator, typename _Size, typename _ForwardIterator> inline pair<_InputIterator, _ForwardIterator> __uninitialized_copy_n_pair(_InputIterator __first, _Size __n, _ForwardIterator __result) { return std::__uninitialized_copy_n_pair(__first, __n, __result, std::__iterator_category(__first)); } #endif #if __cplusplus >= 201703L # define __cpp_lib_raw_memory_algorithms 201606L template <typename _ForwardIterator> inline void uninitialized_default_construct(_ForwardIterator __first, _ForwardIterator __last) { __uninitialized_default_novalue(__first, __last); } template <typename _ForwardIterator, typename _Size> inline _ForwardIterator uninitialized_default_construct_n(_ForwardIterator __first, _Size __count) { return __uninitialized_default_novalue_n(__first, __count); } template <typename _ForwardIterator> inline void uninitialized_value_construct(_ForwardIterator __first, _ForwardIterator __last) { return __uninitialized_default(__first, __last); } template <typename _ForwardIterator, typename _Size> inline _ForwardIterator uninitialized_value_construct_n(_ForwardIterator __first, _Size __count) { return __uninitialized_default_n(__first, __count); } template <typename _InputIterator, typename _ForwardIterator> inline _ForwardIterator uninitialized_move(_InputIterator __first, _InputIterator __last, _ForwardIterator __result) { return std::uninitialized_copy (_GLIBCXX_MAKE_MOVE_ITERATOR(__first), _GLIBCXX_MAKE_MOVE_ITERATOR(__last), __result); } template <typename _InputIterator, typename _Size, typename _ForwardIterator> inline pair<_InputIterator, _ForwardIterator> uninitialized_move_n(_InputIterator __first, _Size __count, _ForwardIterator __result) { auto __res = std::__uninitialized_copy_n_pair (_GLIBCXX_MAKE_MOVE_ITERATOR(__first), __count, __result); return {__res.first.base(), __res.second}; } #endif // C++17 _GLIBCXX_END_NAMESPACE_VERSION } // namespace #endif /* _STL_UNINITIALIZED_H */