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ocfwriter: allow writing blocks #277

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ocfwriter: allow writing blocks #277

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8 changes: 6 additions & 2 deletions ocf_writer.go
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Original file line number Diff line number Diff line change
Expand Up @@ -215,14 +215,18 @@ func (ocfw *OCFWriter) appendDataIntoBlock(data []interface{}) error {

}

return ocfw.AppendBlock(block, len(data))
}

func (ocfw *OCFWriter) AppendBlock(block []byte, count int) error {
// create file data block
buf := make([]byte, 0, len(block)+ocfBlockConst) // pre-allocate block bytes
buf, _ = longBinaryFromNative(buf, len(data)) // block count (number of data items)
buf, _ = longBinaryFromNative(buf, count) // block count (number of data items)
buf, _ = longBinaryFromNative(buf, len(block)) // block size (number of bytes in block)
buf = append(buf, block...) // serialized objects
buf = append(buf, ocfw.header.syncMarker[:]...) // sync marker

_, err = ocfw.iow.Write(buf)
_, err := ocfw.iow.Write(buf)
return err
}

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