1 // Copyright 2015 go-swagger maintainers 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package swag 16 17 import ( 18 "net" 19 "strconv" 20 ) 21 22 // SplitHostPort splits a network address into a host and a port. 23 // The port is -1 when there is no port to be found 24 func SplitHostPort(addr string) (host string, port int, err error) { 25 h, p, err := net.SplitHostPort(addr) 26 if err != nil { 27 return "", -1, err 28 } 29 if p == "" { 30 return "", -1, &net.AddrError{Err: "missing port in address", Addr: addr} 31 } 32 33 pi, err := strconv.Atoi(p) 34 if err != nil { 35 return "", -1, err 36 } 37 return h, pi, nil 38 } 39