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Diffstat (limited to 'libpod/network/util/ip_calc.go')
-rw-r--r--libpod/network/util/ip_calc.go53
1 files changed, 0 insertions, 53 deletions
diff --git a/libpod/network/util/ip_calc.go b/libpod/network/util/ip_calc.go
deleted file mode 100644
index a27ddf78b..000000000
--- a/libpod/network/util/ip_calc.go
+++ /dev/null
@@ -1,53 +0,0 @@
-// Copyright 2015 CNI authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package util
-
-import (
- "math/big"
- "net"
-)
-
-// NextIP returns IP incremented by 1
-func NextIP(ip net.IP) net.IP {
- i := ipToInt(ip)
- return intToIP(i.Add(i, big.NewInt(1)))
-}
-
-// PrevIP returns IP decremented by 1
-func PrevIP(ip net.IP) net.IP {
- i := ipToInt(ip)
- return intToIP(i.Sub(i, big.NewInt(1)))
-}
-
-// Cmp compares two IPs, returning the usual ordering:
-// a < b : -1
-// a == b : 0
-// a > b : 1
-func Cmp(a, b net.IP) int {
- aa := ipToInt(a)
- bb := ipToInt(b)
- return aa.Cmp(bb)
-}
-
-func ipToInt(ip net.IP) *big.Int {
- if v := ip.To4(); v != nil {
- return big.NewInt(0).SetBytes(v)
- }
- return big.NewInt(0).SetBytes(ip.To16())
-}
-
-func intToIP(i *big.Int) net.IP {
- return net.IP(i.Bytes())
-}