41 lines
773 B
Go
41 lines
773 B
Go
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package llb
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import (
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"encoding/binary"
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"io"
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)
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// These are temporary functions for testing the solver without frontends
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func WriteTo(dt [][]byte, w io.Writer) error {
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for _, d := range dt {
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l := make([]byte, 4)
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binary.LittleEndian.PutUint32(l, uint32(len(d)))
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if _, err := w.Write(l); err != nil {
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return err
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}
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if _, err := w.Write(d); err != nil {
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return err
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}
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}
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return nil
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}
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func ReadFrom(r io.Reader) (out [][]byte, err error) {
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for {
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b := make([]byte, 4)
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if n, err := io.ReadFull(r, b); err != nil {
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if err == io.EOF && n == 0 {
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return out, nil
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}
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return nil, err
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}
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l := binary.LittleEndian.Uint32(b)
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b = make([]byte, l)
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if _, err := io.ReadFull(r, b); err != nil {
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return nil, err
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}
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out = append(out, b)
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}
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}
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