func (e *Encoder) encodeHeader(idx *Idxfile) (int, error) {
c, err := e.Write(idxHeader)
if err != nil {
return c, err
}
return c + 4, binary.WriteUint32(e, idx.Version)
}
func (e *Encoder) encodeFanout(idx *Idxfile) (int, error) {
fanout := idx.calculateFanout()
for _, c := range fanout {
if err := binary.WriteUint32(e, c); err != nil {
return 0, err
}
}
return 1024, nil
}
func (e *Encoder) encodeOffsets(idx *Idxfile) (int, error) {
sz := 0
for _, ent := range idx.Entries {
if err := binary.WriteUint32(e, uint32(ent.Offset)); err != nil {
return sz, err
}
sz += 4
}
return sz, nil
}