kdhcp/iptools/tools.go

package iptools

import (
	"fmt"
)

func enumerateRange(name string, r *Range, startFromOne bool) []*LeaseInfo {
	start := r.Start
	cur := start
	lenfmt := fmt.Sprintf("%%s%%0%dd", len(fmt.Sprintf("%d", r.numHosts())))
	i := 0
	if startFromOne {
		i++
	}
	leases := []*LeaseInfo{}

	for r.End.Compare(cur) >= 0 {
		hostName := fmt.Sprintf(lenfmt, name, i)
		leases = append(leases, &LeaseInfo{
			HostName: hostName,
			Addr:     cur,
		})
		i++
		cur = cur.Next()
	}

	return leases
}