// +build gofuzz // fuzzing with https://github.com/dvyukov/go-fuzz package mscfb import ( "bytes" "io" ) func Fuzz(data []byte) int { doc, err := New(bytes.NewReader(data)) if err != nil { if doc != nil { panic("doc != nil on error " + err.Error()) } return 0 } buf := &bytes.Buffer{} for entry, err := doc.Next(); ; entry, err = doc.Next() { if err != nil { if err == io.EOF { return 1 } if entry != nil { panic("entry != nil on error " + err.Error()) } } buf.Reset() buf.ReadFrom(entry) } return 1 }