/*
    Copyright (C) 2014-2019 de4dot@gmail.com

    This file is part of dnSpy

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

    dnSpy 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 General Public License for more details.

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

using System;
using System.Runtime.InteropServices;

namespace dnSpy.AsmEditor.Compiler {
	static unsafe class NativeMemoryAllocator {
		public static void* Allocate(int size) {
			if (size < 0)
				throw new ArgumentOutOfRangeException(nameof(size));
			if (size == 0)
				return null;
			return (void*)Marshal.AllocHGlobal(size);
		}

		public static void Free(void* memory, int size) {
			if (memory is null && size != 0)
				throw new ArgumentOutOfRangeException(nameof(size));
			if (size < 0)
				throw new ArgumentOutOfRangeException(nameof(size));
			if (memory is null)
				return;
			Marshal.FreeHGlobal((IntPtr)memory);
		}
	}
}