Crisis.Ionic.Zlib.ZlibBaseStream.ReadZeroTerminatedString C# (CSharp) Method

        private string ReadZeroTerminatedString()
        {
            var list = new System.Collections.Generic.List<byte>();
            bool done = false;
            do
            {
                // workitem 7740
                int n = _stream.Read(_buf1, 0, 1);
                if (n != 1)
                    throw new ZlibException("Unexpected EOF reading GZIP header.");
                else
                {
                    if (_buf1[0] == 0)
                        done = true;
                    else
                        list.Add(_buf1[0]);
                }
            } while (!done);
            byte[] a = list.ToArray();
            return GZipStream.iso8859dash1.GetString(a, 0, a.Length);
        }