Microsoft.AspNet.Server.Kestrel.Http.MemoryPoolTextWriter.Grow C# (CSharp) Method

        private void Grow(int minimumAvailable)
        {
            if (_dataArray.Length - _dataEnd >= minimumAvailable)
            {
                return;
            }

            var newLength = _dataArray.Length + Math.Max(_dataArray.Length, minimumAvailable);
            var newArray = _memory.AllocByte(newLength);
            Array.Copy(_dataArray, 0, newArray, 0, _dataEnd);
            _memory.FreeByte(_dataArray);
            _dataArray = newArray;
        }