func validateCIDR()

in cmd/ip-masq-agent-v2/ip-masq-agent.go [304:315]

• 10 lines of code
• 3 McCabe index (conditional complexity)

func validateCIDR(cidr string) error {
	// parse test
	ip, ipnet, err := net.ParseCIDR(cidr)
	if err != nil {
		return fmt.Errorf(cidrParseErrFmt, cidr, err)
	}
	// alignment test
	if !ip.Equal(ipnet.IP) {
		return fmt.Errorf(cidrAlignErrFmt, cidr, ip, ipnet.String())
	}
	return nil
}