Function extractFile

reader_test.go:37–57

(tb testing.TB, r io.Reader, h hash.Hash, f *sevenzip.File)

var errCRCMismatch = errors.New("CRC doesn't match")

func extractFile(tb testing.TB, r io.Reader, h hash.Hash, f *sevenzip.File) error {
	tb.Helper()

	h.Reset()

	if _, err := io.Copy(h, r); err != nil {
		return fmt.Errorf("error extracting file: %w", err)
	}

	if f.UncompressedSize > 0 && f.CRC32 == 0 {
		tb.Log("archive member", f.Name, "has no CRC")

		return nil
	}

	if !util.CRC32Equal(h.Sum(nil), f.CRC32) {
		return errCRCMismatch
	}

	return nil
}

//nolint:lll
func extractArchive(tb testing.TB, r *sevenzip.Reader, stream int, h hash.Hash, fn func(io.Reader) io.Reader, optimised bool) (err error) {