func doObjdump()

in cmd/seccomp-profiler/main.go [244:282]

• 33 lines of code
• 9 McCabe index (conditional complexity)

func doObjdump(binary, hash string) (string, error) {
	dumpFile, err := cachedDumpFile(binary)
	if err != nil {
		return "", err
	}

	f, err := os.Open(dumpFile)
	if err == nil {
		buf := make([]byte, 256/4)
		n, err := f.Read(buf)
		f.Close()
		if err == nil && n == len(buf) && hash == string(buf) {
			log.Println("Using cached objdump.")
			return dumpFile, nil
		}
	}

	f, err = os.Create(dumpFile)
	if err != nil {
		return "", err
	}
	defer f.Close()

	out := bufio.NewWriter(f)
	defer out.Flush()

	if _, err = out.WriteString(hash + "\n"); err != nil {
		return "", err
	}

	cmd := exec.Command("go", "tool", "objdump", binary)
	cmd.Stdout = out
	if err = cmd.Run(); err != nil {
		return "", err
	}

	log.Println("objdump written to", dumpFile)
	return dumpFile, nil
}