memmove.hpp

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// SPDX-License-Identifier: BSL-1.0
// SPDX-FileCopyrightText: Copyright (C) 2019 Tobias Hienzsch
 
#ifndef TETL_CSTRING_MEMMOVE_HPP
#define TETL_CSTRING_MEMMOVE_HPP
 
#include <etl/_config/all.hpp>
 
#include <etl/_contracts/check.hpp>
#include <etl/_cstddef/size_t.hpp>
#include <etl/_strings/cstr.hpp>
 
namespace etl {
 
/// Copy the first n bytes pointed to by src to the buffer pointed to by
/// dest. Source and destination may overlap.
/// \ingroup cstring
inline auto memmove(void* dest, void const* src, etl::size_t count) -> void*
{
    TETL_PRECONDITION(dest != nullptr);
    TETL_PRECONDITION(src != nullptr);
#if __has_builtin(__builtin_memmove)
    return __builtin_memmove(dest, src, count);
#else
    return etl::detail::memmove<unsigned char>(dest, src, count);
#endif
}
 
} // namespace etl
#endif // TETL_CSTRING_MEMMOVE_HPP