Nanook.TheGhost.ProjectSong.copy C# (CSharp) Method

        private void copy(Stream from, Stream to, long length)
        {
            long l = 0;
            long size = 10000;
            int c = -1;
            byte[] b = new byte[size];
            while (c != 0 && l < length)
            {
                c = from.Read(b, 0, (int)(l + size < length ? b.Length : length - l));
                l += c;
                to.Write(b, 0, c);
            }

            //pad stream, if input stream was too short
            if (l < length)
            {
                for (int i = 0; i < size; i++)
                    b[i] = 0;

                while (l < length)
                {
                    if (length - l > size)
                        to.Write(b, 0, (int)size);
                    else
                        to.Write(b, 0, (int)(length - l));

                    l += size;
                }
            }
        }