Initial Commit
This commit is contained in:
@@ -0,0 +1,38 @@
|
||||
/*
|
||||
(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
|
||||
Reference in New Issue
Block a user