/**
	This file is a part of rexy's general purpose library
	Copyright (C) 2020 rexy712

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU Affero General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU Affero General Public License for more details.

	You should have received a copy of the GNU Affero General Public License
	along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef REXY_DEFAULT_ALLOCATOR_HPP
#define REXY_DEFAULT_ALLOCATOR_HPP

#include <cstdlib> //size_t
#include <cstring> //memcpy
#include <new>

namespace rexy{

	namespace detail{

		template<size_t Alignment = __STDCPP_DEFAULT_NEW_ALIGNMENT__>
		struct default_allocator
		{
			static void free(void* data){
				::operator delete(data, std::align_val_t{Alignment});
			}
			static void* allocate(size_t size){
				return ::operator new(size, std::align_val_t{Alignment});
			}
			static void* copy(const void* c, size_t size){
				char* tmp = reinterpret_cast<char*>(allocate(size));
				memcpy(tmp, c, size);
				return tmp;
			}
		};
	}
}

#endif