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comment + drop var declaration + explicit zero return

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This commit is contained in:
marco 2024-04-29 15:43:52 +02:00
parent dbec5b7c9c
commit 82d3ba61e4
1 changed files with 7 additions and 10 deletions
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17
pkg/database/utils.go
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@ -49,20 +49,17 @@ func LastAddress(n *net.IPNet) net.IP {
ip[3]|^n.Mask[3]) ip[3]|^n.Mask[3])
} }
// GetIpsFromIpRange takes a CIDR range and returns the start and end IP
func GetIpsFromIpRange(host string) (int64, int64, error) { func GetIpsFromIpRange(host string) (int64, int64, error) {
var ipStart int64 _, parsedRange, err := net.ParseCIDR(host)
var ipEnd int64 if err != nil {
var err error return 0, 0, fmt.Errorf("'%s' is not a valid CIDR", host)
var parsedRange *net.IPNet
if _, parsedRange, err = net.ParseCIDR(host); err != nil {
return ipStart, ipEnd, fmt.Errorf("'%s' is not a valid CIDR", host)
} }
if parsedRange == nil { if parsedRange == nil {
return ipStart, ipEnd, fmt.Errorf("unable to parse network : %s", err) return 0, 0, fmt.Errorf("unable to parse network : %s", err)
} }
ipStart = int64(IP2Int(parsedRange.IP)) ipStart := int64(IP2Int(parsedRange.IP))
ipEnd = int64(IP2Int(LastAddress(parsedRange))) ipEnd := int64(IP2Int(LastAddress(parsedRange)))
return ipStart, ipEnd, nil return ipStart, ipEnd, nil
} }