func (r *BlockTreeTermsReader) seekDir(input store.IndexInput, dirOffset int64) (err error) {
log.Printf("Seeking to: %v", dirOffset)
if r.version >= BTT_INDEX_VERSION_APPEND_ONLY {
input.Seek(input.Length() - 8)
if dirOffset, err = input.ReadLong(); err != nil {
return err
}
}
input.Seek(dirOffset)
return nil
}
