Ionic.Zip.ZipSegmentedStream.Read C# (CSharp) Method

        public override int Read(byte[] buffer, int offset, int count)
        {
            if (rwMode != RwMode.ReadOnly)
            {
                _exceptionPending = true;
                throw new InvalidOperationException("Stream Error: Cannot Read.");
            }

            int r = _innerStream.Read(buffer, offset, count);
            int r1 = r;

            while (r1 != count)
            {
                if (_innerStream.Position != _innerStream.Length)
                {
                    _exceptionPending = true;
                    throw new ZipException(String.Format("Read error in file {0}", CurrentName));

                }

                if (CurrentSegment + 1 == _maxDiskNumber)
                    return r; // no more to read

                CurrentSegment++;
                _SetReadStream();
                offset += r1;
                count -= r1;
                r1 = _innerStream.Read(buffer, offset, count);
                r += r1;
            }
            return r;
        }