func copyNRandomly(title string, dst io.Writer, src io.Reader, n int) (int, error) {
	var (
		buf       = make([]byte, 32*1024)
		written   int
		remaining = n
	)
	for remaining > 0 {
		l := rand.Intn(1 << 15)
		if remaining < l {
			l = remaining
		}
		nr, er := src.Read(buf[:l])
		nw, ew := dst.Write(buf[:nr])
		remaining -= nw
		written += nw
		if ew != nil {
			return written, ew
		}
		if nr != nw {
			return written, io.ErrShortWrite
		}
		if er != nil && er != io.EOF {
			return written, er
		}
	}
	return written, nil
}
// copyNRandomly copies n bytes from src to dst. It uses a variable, and random,
// buffer size to exercise more code paths.
copyNRandomly copies n bytes from src to dst. It uses a variable, and random,
buffer size to exercise more code paths.
// copyNRandomly copies n bytes from src to dst . It uses a variable and random // buffer size to exercise more code paths .
func copyNRandomly(title string, dst io.Writer, src io.Reader, n int) (int, error) {
	var (
		buf       = make([]byte, 32*1024)
		written   int
		remaining = n
	)
	for remaining > 0 {
		l := rand.Intn(1 << 15)
		if remaining < l {
			l = remaining
		}
		nr, er := src.Read(buf[:l])
		nw, ew := dst.Write(buf[:nr])
		remaining -= nw
		written += nw
		if ew != nil {
			return written, ew
		}
		if nr != nw {
			return written, io.ErrShortWrite
		}
		if er != nil && er != io.EOF {
			return written, er
		}
	}
	return written, nil
}
func copyNRandomly ( title string , dst io . Writer , src io . Reader , n int ) ( int , error ) { var ( buf = make ( [ ] byte , 32 * 1024 ) written int remaining = n ) for remaining > 0 { l := rand . Intn ( 1 << 15 ) if remaining < l { l = remaining } nr , er := src . Read ( buf [ : l ] ) nw , ew := dst . Write ( buf [ : nr ] ) remaining -= nw written += nw if ew != nil { return written , ew } if nr != nw { return written , io . ErrShortWrite } if er != nil && er != io . EOF { return written , er } } return written , nil }
copyNRandomly copies n bytes from src to dst.
copyNRandomly copies n bytes from src to dst .