// DecodeNextEntry4 unmarshals a v0.4 log entry from a reader. Returns the
// number of bytes read and any error that occurs.
func DecodeNextEntry4(r io.Reader) (*etcd4pb.LogEntry, int, error) {
var length int
_, err := fmt.Fscanf(r, "%8x\n", &length)
if err != nil {
return nil, -1, err
}
data := make([]byte, length)
if _, err = io.ReadFull(r, data); err != nil {
return nil, -1, err
}
ent4 := new(etcd4pb.LogEntry)
if err = ent4.Unmarshal(data); err != nil {
return nil, -1, err
}
// add width of scanner token to length
length = length + 8 + 1
return ent4, length, nil
}
