159 lines
5.5 KiB
Plaintext
159 lines
5.5 KiB
Plaintext
/*
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* Copyright (c) 2012-2014 Glen Joseph Fernandes
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* glenfe at live dot com
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*
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* Distributed under the Boost Software License,
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* Version 1.0. (See accompanying file LICENSE_1_0.txt
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* or copy at http://boost.org/LICENSE_1_0.txt)
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*/
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#ifndef BOOST_SMART_PTR_MAKE_SHARED_ARRAY_HPP
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#define BOOST_SMART_PTR_MAKE_SHARED_ARRAY_HPP
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#include <boost/smart_ptr/detail/array_count_impl.hpp>
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#include <boost/smart_ptr/detail/sp_if_array.hpp>
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namespace boost {
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template<class T>
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inline typename boost::detail::sp_if_array<T>::type
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make_shared(std::size_t size) {
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typedef typename boost::detail::array_inner<T>::type T1;
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typedef typename boost::detail::array_base<T1>::type T2;
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typedef boost::detail::ms_allocator<T> A1;
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typedef boost::detail::ms_in_allocator_tag D1;
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std::size_t n1 = size * boost::detail::array_total<T1>::size;
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T1* p1 = 0;
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T2* p2 = 0;
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D1 d1;
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A1 a1(size, &p2);
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shared_ptr<T> s1(p1, d1, a1);
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A1* a2 = static_cast<A1*>(s1._internal_get_untyped_deleter());
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a2->set(0);
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boost::detail::ms_init(p2, n1);
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a2->set(p2);
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p1 = reinterpret_cast<T1*>(p2);
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return shared_ptr<T>(s1, p1);
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}
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template<class T>
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inline typename boost::detail::sp_if_size_array<T>::type
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make_shared() {
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typedef typename boost::detail::array_inner<T>::type T1;
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typedef typename boost::detail::array_base<T1>::type T2;
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typedef boost::detail::ms_allocator<T> A1;
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typedef boost::detail::ms_in_allocator_tag D1;
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enum {
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N = boost::detail::array_total<T>::size
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};
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T1* p1 = 0;
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T2* p2 = 0;
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D1 d1;
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A1 a1(&p2);
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shared_ptr<T> s1(p1, d1, a1);
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A1* a2 = static_cast<A1*>(s1._internal_get_untyped_deleter());
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a2->set(0);
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boost::detail::ms_init(p2, N);
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a2->set(p2);
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p1 = reinterpret_cast<T1*>(p2);
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return shared_ptr<T>(s1, p1);
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}
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template<class T>
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inline typename boost::detail::sp_if_array<T>::type
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make_shared(std::size_t size,
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const typename boost::detail::array_inner<T>::type& value) {
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typedef typename boost::detail::array_inner<T>::type T1;
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typedef typename boost::detail::array_base<T1>::type T2;
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typedef const T2 T3;
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typedef boost::detail::ms_allocator<T> A1;
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typedef boost::detail::ms_in_allocator_tag D1;
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enum {
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M = boost::detail::array_total<T1>::size
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};
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std::size_t n1 = M * size;
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T1* p1 = 0;
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T2* p2 = 0;
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T3* p3 = reinterpret_cast<T3*>(&value);
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D1 d1;
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A1 a1(size, &p2);
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shared_ptr<T> s1(p1, d1, a1);
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A1* a2 = static_cast<A1*>(s1._internal_get_untyped_deleter());
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a2->set(0);
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boost::detail::ms_init<T2, M>(p2, n1, p3);
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a2->set(p2);
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p1 = reinterpret_cast<T1*>(p2);
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return shared_ptr<T>(s1, p1);
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}
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template<class T>
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inline typename boost::detail::sp_if_size_array<T>::type
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make_shared(const typename boost::detail::array_inner<T>::type& value) {
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typedef typename boost::detail::array_inner<T>::type T1;
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typedef typename boost::detail::array_base<T1>::type T2;
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typedef const T2 T3;
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typedef boost::detail::ms_allocator<T> A1;
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typedef boost::detail::ms_in_allocator_tag D1;
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enum {
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M = boost::detail::array_total<T1>::size,
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N = boost::detail::array_total<T>::size
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};
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T1* p1 = 0;
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T2* p2 = 0;
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T3* p3 = reinterpret_cast<T3*>(&value);
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D1 d1;
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A1 a1(&p2);
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shared_ptr<T> s1(p1, d1, a1);
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A1* a2 = static_cast<A1*>(s1._internal_get_untyped_deleter());
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a2->set(0);
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boost::detail::ms_init<T2, M>(p2, N, p3);
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a2->set(p2);
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p1 = reinterpret_cast<T1*>(p2);
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return shared_ptr<T>(s1, p1);
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}
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template<class T>
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inline typename boost::detail::sp_if_array<T>::type
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make_shared_noinit(std::size_t size) {
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typedef typename boost::detail::array_inner<T>::type T1;
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typedef typename boost::detail::array_base<T1>::type T2;
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typedef boost::detail::ms_allocator<T> A1;
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typedef boost::detail::ms_in_allocator_tag D1;
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std::size_t n1 = size * boost::detail::array_total<T1>::size;
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T1* p1 = 0;
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T2* p2 = 0;
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D1 d1;
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A1 a1(size, &p2);
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shared_ptr<T> s1(p1, d1, a1);
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A1* a2 = static_cast<A1*>(s1._internal_get_untyped_deleter());
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a2->set(0);
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boost::detail::ms_noinit(p2, n1);
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a2->set(p2);
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p1 = reinterpret_cast<T1*>(p2);
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return shared_ptr<T>(s1, p1);
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}
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template<class T>
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inline typename boost::detail::sp_if_size_array<T>::type
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make_shared_noinit() {
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typedef typename boost::detail::array_inner<T>::type T1;
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typedef typename boost::detail::array_base<T1>::type T2;
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typedef boost::detail::ms_allocator<T> A1;
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typedef boost::detail::ms_in_allocator_tag D1;
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enum {
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N = boost::detail::array_total<T>::size
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};
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T1* p1 = 0;
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T2* p2 = 0;
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D1 d1;
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A1 a1(&p2);
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shared_ptr<T> s1(p1, d1, a1);
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A1* a2 = static_cast<A1*>(s1._internal_get_untyped_deleter());
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a2->set(0);
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boost::detail::ms_noinit(p2, N);
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a2->set(p2);
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p1 = reinterpret_cast<T1*>(p2);
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return shared_ptr<T>(s1, p1);
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}
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}
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#endif
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