"fmt"
	"math"
)

type sehbuf struct {
	ctxt *obj.Link
	data []byte
	off  int
}

func newsehbuf(ctxt *obj.Link, nodes uint8) sehbuf {
	// - 8 bytes for the header
	// - 2 bytes for each node
	// - 2 bytes in case nodes is not even
	size := 8 + nodes*2
	if nodes%2 != 0 {
		size += 2
	}
	return sehbuf{ctxt, make([]byte, size), 0}
}

func (b *sehbuf) write8(v uint8) {
	b.data[b.off] = v