mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-12-25 21:35:41 +00:00
39 lines
1.4 KiB
C++
39 lines
1.4 KiB
C++
/*=============================================================================
|
|
Copyright (c) 2011-2016 Bolero MURAKAMI
|
|
https://github.com/bolero-MURAKAMI/Sprout
|
|
|
|
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
=============================================================================*/
|
|
#ifndef SPROUT_CSTRING_MEMMOVE_HPP
|
|
#define SPROUT_CSTRING_MEMMOVE_HPP
|
|
|
|
#include <type_traits>
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/workaround/std/cstddef.hpp>
|
|
#include <sprout/type_traits/enabler_if.hpp>
|
|
#include <sprout/algorithm/cxx14/copy_backward.hpp>
|
|
|
|
namespace sprout {
|
|
namespace detail {
|
|
template<typename PtrIterator, typename ConstPtrIterator>
|
|
inline SPROUT_CXX14_CONSTEXPR PtrIterator
|
|
memmove(PtrIterator s1, ConstPtrIterator s2, std::size_t n) {
|
|
sprout::copy_backward(s2, s2 + n, s1);
|
|
return s1;
|
|
}
|
|
} // namespace detail
|
|
|
|
// 7.21.2.2 The memmove function
|
|
//
|
|
template<
|
|
typename T, typename CT,
|
|
typename sprout::enabler_if<std::is_convertible<T, void*>::value && std::is_convertible<CT, void const*>::value>::type = sprout::enabler
|
|
>
|
|
inline SPROUT_CXX14_CONSTEXPR void*
|
|
memmove(T s1, CT s2, std::size_t n) {
|
|
return sprout::detail::memmove(static_cast<unsigned char*>(s1), static_cast<unsigned char const*>(s2), n);
|
|
}
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_CSTRING_MEMMOVE_HPP
|