func()

in elastictransport/gzip.go [46:61]

• 15 lines of code
• 4 McCabe index (conditional complexity)

func (sg *simpleGzipCompressor) compress(rc io.ReadCloser) (*bytes.Buffer, error) {
	var buf bytes.Buffer
	zw, err := gzip.NewWriterLevel(&buf, sg.compressionLevel)
	if err != nil {
		return nil, fmt.Errorf("failed setting up up compress request body (level %d): %s",
			sg.compressionLevel, err)
	}

	if _, err = io.Copy(zw, rc); err != nil {
		return nil, fmt.Errorf("failed to compress request body: %s", err)
	}
	if err := zw.Close(); err != nil {
		return nil, fmt.Errorf("failed to compress request body (during close): %s", err)
	}
	return &buf, nil
}