2 * Copyright (c) 2012-2014 Glen Joseph Fernandes
3 * glenfe at live dot com
5 * Distributed under the Boost Software License,
6 * Version 1.0. (See accompanying file LICENSE_1_0.txt
7 * or copy at http://boost.org/LICENSE_1_0.txt)
9 #ifndef BOOST_SMART_PTR_MAKE_SHARED_ARRAY_HPP
10 #define BOOST_SMART_PTR_MAKE_SHARED_ARRAY_HPP
12 #include <boost/smart_ptr/detail/array_count_impl.hpp>
13 #include <boost/smart_ptr/detail/sp_if_array.hpp>
17 inline typename boost::detail::sp_if_array<T>::type
18 make_shared(std::size_t size) {
19 typedef typename boost::detail::array_inner<T>::type T1;
20 typedef typename boost::detail::array_base<T1>::type T2;
21 typedef boost::detail::ms_allocator<T> A1;
22 typedef boost::detail::ms_in_allocator_tag D1;
23 std::size_t n1 = size * boost::detail::array_total<T1>::size;
28 shared_ptr<T> s1(p1, d1, a1);
29 A1* a2 = static_cast<A1*>(s1._internal_get_untyped_deleter());
31 boost::detail::ms_init(p2, n1);
33 p1 = reinterpret_cast<T1*>(p2);
34 return shared_ptr<T>(s1, p1);
38 inline typename boost::detail::sp_if_size_array<T>::type
40 typedef typename boost::detail::array_inner<T>::type T1;
41 typedef typename boost::detail::array_base<T1>::type T2;
42 typedef boost::detail::ms_allocator<T> A1;
43 typedef boost::detail::ms_in_allocator_tag D1;
45 N = boost::detail::array_total<T>::size
51 shared_ptr<T> s1(p1, d1, a1);
52 A1* a2 = static_cast<A1*>(s1._internal_get_untyped_deleter());
54 boost::detail::ms_init(p2, N);
56 p1 = reinterpret_cast<T1*>(p2);
57 return shared_ptr<T>(s1, p1);
61 inline typename boost::detail::sp_if_array<T>::type
62 make_shared(std::size_t size,
63 const typename boost::detail::array_inner<T>::type& value) {
64 typedef typename boost::detail::array_inner<T>::type T1;
65 typedef typename boost::detail::array_base<T1>::type T2;
67 typedef boost::detail::ms_allocator<T> A1;
68 typedef boost::detail::ms_in_allocator_tag D1;
70 M = boost::detail::array_total<T1>::size
72 std::size_t n1 = M * size;
75 T3* p3 = reinterpret_cast<T3*>(&value);
78 shared_ptr<T> s1(p1, d1, a1);
79 A1* a2 = static_cast<A1*>(s1._internal_get_untyped_deleter());
81 boost::detail::ms_init<T2, M>(p2, n1, p3);
83 p1 = reinterpret_cast<T1*>(p2);
84 return shared_ptr<T>(s1, p1);
88 inline typename boost::detail::sp_if_size_array<T>::type
89 make_shared(const typename boost::detail::array_inner<T>::type& value) {
90 typedef typename boost::detail::array_inner<T>::type T1;
91 typedef typename boost::detail::array_base<T1>::type T2;
93 typedef boost::detail::ms_allocator<T> A1;
94 typedef boost::detail::ms_in_allocator_tag D1;
96 M = boost::detail::array_total<T1>::size,
97 N = boost::detail::array_total<T>::size
101 T3* p3 = reinterpret_cast<T3*>(&value);
104 shared_ptr<T> s1(p1, d1, a1);
105 A1* a2 = static_cast<A1*>(s1._internal_get_untyped_deleter());
107 boost::detail::ms_init<T2, M>(p2, N, p3);
109 p1 = reinterpret_cast<T1*>(p2);
110 return shared_ptr<T>(s1, p1);
114 inline typename boost::detail::sp_if_array<T>::type
115 make_shared_noinit(std::size_t size) {
116 typedef typename boost::detail::array_inner<T>::type T1;
117 typedef typename boost::detail::array_base<T1>::type T2;
118 typedef boost::detail::ms_allocator<T> A1;
119 typedef boost::detail::ms_in_allocator_tag D1;
120 std::size_t n1 = size * boost::detail::array_total<T1>::size;
125 shared_ptr<T> s1(p1, d1, a1);
126 A1* a2 = static_cast<A1*>(s1._internal_get_untyped_deleter());
128 boost::detail::ms_noinit(p2, n1);
130 p1 = reinterpret_cast<T1*>(p2);
131 return shared_ptr<T>(s1, p1);
135 inline typename boost::detail::sp_if_size_array<T>::type
136 make_shared_noinit() {
137 typedef typename boost::detail::array_inner<T>::type T1;
138 typedef typename boost::detail::array_base<T1>::type T2;
139 typedef boost::detail::ms_allocator<T> A1;
140 typedef boost::detail::ms_in_allocator_tag D1;
142 N = boost::detail::array_total<T>::size
148 shared_ptr<T> s1(p1, d1, a1);
149 A1* a2 = static_cast<A1*>(s1._internal_get_untyped_deleter());
151 boost::detail::ms_noinit(p2, N);
153 p1 = reinterpret_cast<T1*>(p2);
154 return shared_ptr<T>(s1, p1);