ecency-mobile/ios/Pods/boost-for-react-native/boost/align/detail/align.hpp

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C++

/*
(c) 2014-2016 Glen Joseph Fernandes
<glenjofe -at- gmail.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/align/detail/is_alignment.hpp>
#include <boost/assert.hpp>
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));
if (size <= space) {
char* p = (char*)(((std::size_t)ptr + alignment - 1) &
~(alignment - 1));
std::size_t n = space - (p - static_cast<char*>(ptr));
if (size <= n) {
ptr = p;
space = n;
return p;
}
}
return 0;
}
} /* .alignment */
} /* .boost */
#endif