func getIface()

in cmd/ptpcheck/cmd/map.go [84:109]

• 26 lines of code
• 8 McCabe index (conditional complexity)

func getIface(ptpDevice int) error {
	ifaces, err := phc.IfacesInfo()
	if err != nil {
		return err
	}
	if len(ifaces) == 0 {
		return fmt.Errorf("no network devices found")
	}
	found := []phc.IfaceData{}
	if ptpDevice < 0 {
		found = ifaces
	} else {
		for _, d := range ifaces {
			if int(d.TSInfo.PHCIndex) == ptpDevice {
				found = append(found, d)
			}
		}
	}
	if len(found) == 0 {
		return fmt.Errorf("no nic found for /dev/ptp%d", ptpDevice)
	}
	for _, d := range found {
		printIfaceData(d, true)
	}
	return nil
}