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Added function that marshals message into a given byte buffer. #3

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Added function that marshals message into a given byte buffer. #3

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15 changes: 11 additions & 4 deletions marshal.go
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Original file line number Diff line number Diff line change
Expand Up @@ -139,11 +139,18 @@ func (m Message) assertValid() error {

// MarshalBinary marshals the message to a byte slice, or returns an error
func (m Message) MarshalBinary() ([]byte, error) {
if err := m.assertValid(); err != nil {
b := bytes.NewBuffer(nil)
if err := m.Marshal(b); err != nil {
return nil, err
}
return b.Bytes(), nil
}

b := bytes.NewBuffer(nil)
// Marshal marshals the message into the given buffer, or returns an error
func (m Message) Marshal(b *bytes.Buffer) error {
if err := m.assertValid(); err != nil {
return err
}
fmt.Fprintf(b, "<%d>1 %s %s %s %s %s ",
m.Priority,
m.Timestamp.Format(time.RFC3339Nano),
Expand All @@ -168,5 +175,5 @@ func (m Message) MarshalBinary() ([]byte, error) {
fmt.Fprint(b, " ")
b.Write(m.Message)
}
return b.Bytes(), nil
}
return nil
}