updated boost on windows
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@@ -8,13 +8,13 @@ Distributed under the Boost Software License, Version 1.0.
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#ifndef BOOST_ALIGN_ALIGNED_ALLOCATOR_ADAPTOR_HPP
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#define BOOST_ALIGN_ALIGNED_ALLOCATOR_ADAPTOR_HPP
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#include <boost/align/detail/addressof.hpp>
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#include <boost/align/detail/is_alignment_constant.hpp>
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#include <boost/align/detail/max_align.hpp>
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#include <boost/align/detail/max_size.hpp>
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#include <boost/align/align.hpp>
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#include <boost/align/aligned_allocator_adaptor_forward.hpp>
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#include <boost/align/alignment_of.hpp>
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#include <boost/core/pointer_traits.hpp>
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#include <boost/static_assert.hpp>
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#include <new>
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@@ -32,56 +32,45 @@ namespace alignment {
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template<class Allocator, std::size_t Alignment>
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class aligned_allocator_adaptor
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: public Allocator {
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BOOST_STATIC_ASSERT(detail::
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is_alignment_constant<Alignment>::value);
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BOOST_STATIC_ASSERT(detail::is_alignment_constant<Alignment>::value);
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#if !defined(BOOST_NO_CXX11_ALLOCATOR)
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typedef std::allocator_traits<Allocator> traits;
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typedef typename traits::
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template rebind_alloc<char> char_alloc;
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typedef typename traits::
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template rebind_traits<char> char_traits;
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typedef typename traits::template rebind_alloc<char> char_alloc;
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typedef typename traits::template rebind_traits<char> char_traits;
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typedef typename char_traits::pointer char_ptr;
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#else
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typedef typename Allocator::
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template rebind<char>::other char_alloc;
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typedef typename Allocator::template rebind<char>::other char_alloc;
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typedef typename char_alloc::pointer char_ptr;
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#endif
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public:
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#if !defined(BOOST_NO_CXX11_ALLOCATOR)
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typedef typename traits::value_type value_type;
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typedef typename traits::size_type size_type;
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#else
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typedef typename Allocator::value_type value_type;
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typedef typename Allocator::size_type size_type;
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#endif
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typedef value_type* pointer;
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typedef const value_type* const_pointer;
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typedef void* void_pointer;
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typedef const void* const_void_pointer;
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typedef std::size_t size_type;
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typedef std::ptrdiff_t difference_type;
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private:
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enum {
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min_align = detail::max_size<Alignment,
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detail::max_align<value_type, char_ptr>::value>::value
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template<class U>
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struct min_align {
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enum {
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value = detail::max_size<Alignment,
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detail::max_align<U, char_ptr>::value>::value
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};
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};
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public:
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template<class U>
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struct rebind {
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#if !defined(BOOST_NO_CXX11_ALLOCATOR)
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typedef aligned_allocator_adaptor<typename traits::
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template rebind_alloc<U>, Alignment> other;
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typedef aligned_allocator_adaptor<typename traits::template
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rebind_alloc<U>, Alignment> other;
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#else
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typedef aligned_allocator_adaptor<typename Allocator::
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template rebind<U>::other, Alignment> other;
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typedef aligned_allocator_adaptor<typename Allocator::template
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rebind<U>::other, Alignment> other;
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#endif
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};
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@@ -116,20 +105,25 @@ public:
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}
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pointer allocate(size_type size) {
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enum {
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m = min_align<value_type>::value
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};
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std::size_t s = size * sizeof(value_type);
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std::size_t n = s + min_align - 1;
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std::size_t n = s + m - 1;
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char_alloc a(base());
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char_ptr p = a.allocate(sizeof p + n);
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void* r = detail::addressof(*p) + sizeof p;
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(void)align(min_align, s, r, n);
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::new(static_cast<void*>(static_cast<char_ptr*>(r)
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- 1)) char_ptr(p);
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void* r = boost::to_address(p) + sizeof p;
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(void)boost::alignment::align(m, s, r, n);
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::new(static_cast<void*>(static_cast<char_ptr*>(r) - 1)) char_ptr(p);
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return static_cast<pointer>(r);
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}
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pointer allocate(size_type size, const_void_pointer hint) {
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enum {
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m = min_align<value_type>::value
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};
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std::size_t s = size * sizeof(value_type);
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std::size_t n = s + min_align - 1;
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std::size_t n = s + m - 1;
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char_ptr h = char_ptr();
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if (hint) {
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h = *(static_cast<const char_ptr*>(hint) - 1);
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@@ -140,20 +134,21 @@ public:
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#else
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char_ptr p = a.allocate(sizeof p + n, h);
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#endif
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void* r = detail::addressof(*p) + sizeof p;
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(void)align(min_align, s, r, n);
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::new(static_cast<void*>(static_cast<char_ptr*>(r)
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- 1)) char_ptr(p);
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void* r = boost::to_address(p) + sizeof p;
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(void)boost::alignment::align(m, s, r, n);
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::new(static_cast<void*>(static_cast<char_ptr*>(r) - 1)) char_ptr(p);
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return static_cast<pointer>(r);
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}
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void deallocate(pointer ptr, size_type size) {
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enum {
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m = min_align<value_type>::value
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};
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char_ptr* p = reinterpret_cast<char_ptr*>(ptr) - 1;
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char_ptr r = *p;
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p->~char_ptr();
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char_alloc a(base());
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a.deallocate(r, sizeof r + size * sizeof(value_type) +
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min_align - 1);
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a.deallocate(r, sizeof r + size * sizeof(value_type) + m - 1);
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}
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};
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