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+/*
+ (c) 2014 Glen Joseph Fernandes
+ glenjofe at gmail dot com
+
+ Distributed under the Boost Software
+ License, Version 1.0.
+ http://boost.org/LICENSE_1_0.txt
+*/
+#ifndef BOOST_ALIGN_DETAIL_ALIGN_HPP
+#define BOOST_ALIGN_DETAIL_ALIGN_HPP
+
+#include <boost/assert.hpp>
+#include <boost/align/detail/address.hpp>
+#include <boost/align/detail/is_alignment.hpp>
+#include <cstddef>
+
+namespace boost {
+ namespace alignment {
+ inline void* align(std::size_t alignment, std::size_t size,
+ void*& ptr, std::size_t& space)
+ {
+ BOOST_ASSERT(detail::is_alignment(alignment));
+ std::size_t n = detail::address_t(ptr) & (alignment - 1);
+ if (n != 0) {
+ n = alignment - n;
+ }
+ void* p = 0;
+ if (n <= space && size <= space - n) {
+ p = static_cast<char*>(ptr) + n;
+ ptr = p;
+ space -= n;
+ }
+ return p;
+ }
+ }
+}
+
+#endif