| /* |
| * Copyright (c) 2012-2014 Glen Joseph Fernandes |
| * glenfe at live dot com |
| * |
| * Distributed under the Boost Software License, |
| * Version 1.0. (See accompanying file LICENSE_1_0.txt |
| * or copy at http://boost.org/LICENSE_1_0.txt) |
| */ |
| #ifndef BOOST_SMART_PTR_ALLOCATE_SHARED_ARRAY_HPP |
| #define BOOST_SMART_PTR_ALLOCATE_SHARED_ARRAY_HPP |
| |
| #include <boost/smart_ptr/detail/array_count_impl.hpp> |
| #include <boost/smart_ptr/detail/sp_if_array.hpp> |
| |
| namespace boost { |
| template<class T, class A> |
| inline typename boost::detail::sp_if_array<T>::type |
| allocate_shared(const A& allocator, std::size_t size) { |
| typedef typename boost::detail::array_inner<T>::type T1; |
| typedef typename boost::detail::array_base<T1>::type T2; |
| typedef boost::detail::ms_init_tag R1; |
| typedef boost::detail::as_allocator<A, T, R1> A1; |
| typedef boost::detail::ms_in_allocator_tag D1; |
| std::size_t n1 = size * boost::detail::array_total<T1>::size; |
| T1* p1 = 0; |
| T2* p2 = 0; |
| D1 d1; |
| A1 a1(allocator, size, &p2); |
| shared_ptr<T> s1(p1, d1, a1); |
| A1* a2 = static_cast<A1*>(s1._internal_get_untyped_deleter()); |
| a2->set(0); |
| #if !defined(BOOST_NO_CXX11_ALLOCATOR) |
| boost::detail::as_init(allocator, p2, n1); |
| #else |
| boost::detail::ms_init(p2, n1); |
| #endif |
| a2->set(p2); |
| p1 = reinterpret_cast<T1*>(p2); |
| return shared_ptr<T>(s1, p1); |
| } |
| |
| template<class T, class A> |
| inline typename boost::detail::sp_if_size_array<T>::type |
| allocate_shared(const A& allocator) { |
| typedef typename boost::detail::array_inner<T>::type T1; |
| typedef typename boost::detail::array_base<T1>::type T2; |
| typedef boost::detail::ms_init_tag R1; |
| typedef boost::detail::as_allocator<A, T, R1> A1; |
| typedef boost::detail::ms_in_allocator_tag D1; |
| enum { |
| N = boost::detail::array_total<T>::size |
| }; |
| T1* p1 = 0; |
| T2* p2 = 0; |
| D1 d1; |
| A1 a1(allocator, &p2); |
| shared_ptr<T> s1(p1, d1, a1); |
| A1* a2 = static_cast<A1*>(s1._internal_get_untyped_deleter()); |
| a2->set(0); |
| #if !defined(BOOST_NO_CXX11_ALLOCATOR) |
| boost::detail::as_init(allocator, p2, N); |
| #else |
| boost::detail::ms_init(p2, N); |
| #endif |
| a2->set(p2); |
| p1 = reinterpret_cast<T1*>(p2); |
| return shared_ptr<T>(s1, p1); |
| } |
| |
| template<class T, class A> |
| inline typename boost::detail::sp_if_array<T>::type |
| allocate_shared(const A& allocator, std::size_t size, |
| const typename boost::detail::array_inner<T>::type& value) { |
| typedef typename boost::detail::array_inner<T>::type T1; |
| typedef typename boost::detail::array_base<T1>::type T2; |
| typedef const T2 T3; |
| typedef boost::detail::ms_init_tag R1; |
| typedef boost::detail::as_allocator<A, T, R1> A1; |
| typedef boost::detail::ms_in_allocator_tag D1; |
| enum { |
| M = boost::detail::array_total<T1>::size |
| }; |
| std::size_t n1 = M * size; |
| T1* p1 = 0; |
| T2* p2 = 0; |
| T3* p3 = reinterpret_cast<T3*>(&value); |
| D1 d1; |
| A1 a1(allocator, size, &p2); |
| shared_ptr<T> s1(p1, d1, a1); |
| A1* a2 = static_cast<A1*>(s1._internal_get_untyped_deleter()); |
| a2->set(0); |
| #if !defined(BOOST_NO_CXX11_ALLOCATOR) |
| boost::detail::as_init<T2, A, M>(allocator, p2, n1, p3); |
| #else |
| boost::detail::ms_init<T2, M>(p2, n1, p3); |
| #endif |
| a2->set(p2); |
| p1 = reinterpret_cast<T1*>(p2); |
| return shared_ptr<T>(s1, p1); |
| } |
| |
| template<class T, class A> |
| inline typename boost::detail::sp_if_size_array<T>::type |
| allocate_shared(const A& allocator, |
| const typename boost::detail::array_inner<T>::type& value) { |
| typedef typename boost::detail::array_inner<T>::type T1; |
| typedef typename boost::detail::array_base<T1>::type T2; |
| typedef const T2 T3; |
| typedef boost::detail::ms_init_tag R1; |
| typedef boost::detail::as_allocator<A, T, R1> A1; |
| typedef boost::detail::ms_in_allocator_tag D1; |
| enum { |
| N = boost::detail::array_total<T>::size, |
| M = boost::detail::array_total<T1>::size |
| }; |
| T1* p1 = 0; |
| T2* p2 = 0; |
| T3* p3 = reinterpret_cast<T3*>(&value); |
| D1 d1; |
| A1 a1(allocator, &p2); |
| shared_ptr<T> s1(p1, d1, a1); |
| A1* a2 = static_cast<A1*>(s1._internal_get_untyped_deleter()); |
| a2->set(0); |
| #if !defined(BOOST_NO_CXX11_ALLOCATOR) |
| boost::detail::as_init<T2, A, M>(allocator, p2, N, p3); |
| #else |
| boost::detail::ms_init<T2, M>(p2, N, p3); |
| #endif |
| a2->set(p2); |
| p1 = reinterpret_cast<T1*>(p2); |
| return shared_ptr<T>(s1, p1); |
| } |
| |
| template<class T, class A> |
| inline typename boost::detail::sp_if_array<T>::type |
| allocate_shared_noinit(const A& allocator, std::size_t size) { |
| typedef typename boost::detail::array_inner<T>::type T1; |
| typedef typename boost::detail::array_base<T1>::type T2; |
| typedef boost::detail::ms_noinit_tag R1; |
| typedef boost::detail::as_allocator<A, T, R1> A1; |
| typedef boost::detail::ms_in_allocator_tag D1; |
| std::size_t n1 = size * boost::detail::array_total<T1>::size; |
| T1* p1 = 0; |
| T2* p2 = 0; |
| D1 d1; |
| A1 a1(allocator, size, &p2); |
| shared_ptr<T> s1(p1, d1, a1); |
| A1* a2 = static_cast<A1*>(s1._internal_get_untyped_deleter()); |
| a2->set(0); |
| boost::detail::ms_noinit(p2, n1); |
| a2->set(p2); |
| p1 = reinterpret_cast<T1*>(p2); |
| return shared_ptr<T>(s1, p1); |
| } |
| |
| template<class T, class A> |
| inline typename boost::detail::sp_if_size_array<T>::type |
| allocate_shared_noinit(const A& allocator) { |
| typedef typename boost::detail::array_inner<T>::type T1; |
| typedef typename boost::detail::array_base<T1>::type T2; |
| typedef boost::detail::ms_noinit_tag R1; |
| typedef boost::detail::as_allocator<A, T, R1> A1; |
| typedef boost::detail::ms_in_allocator_tag D1; |
| enum { |
| N = boost::detail::array_total<T>::size |
| }; |
| T1* p1 = 0; |
| T2* p2 = 0; |
| D1 d1; |
| A1 a1(allocator, &p2); |
| shared_ptr<T> s1(p1, d1, a1); |
| A1* a2 = static_cast<A1*>(s1._internal_get_untyped_deleter()); |
| a2->set(0); |
| boost::detail::ms_noinit(p2, N); |
| a2->set(p2); |
| p1 = reinterpret_cast<T1*>(p2); |
| return shared_ptr<T>(s1, p1); |
| } |
| } |
| |
| #endif |