traefik/vendor/github.com/aws/aws-sdk-go/aws/url_1_7.go
2018-02-22 14:58:04 +01:00

29 lines
627 B
Go

// +build !go1.8
package aws
import (
"net/url"
"strings"
)
// URLHostname will extract the Hostname without port from the URL value.
//
// Copy of Go 1.8's net/url#URL.Hostname functionality.
func URLHostname(url *url.URL) string {
return stripPort(url.Host)
}
// stripPort is copy of Go 1.8 url#URL.Hostname functionality.
// https://golang.org/src/net/url/url.go
func stripPort(hostport string) string {
colon := strings.IndexByte(hostport, ':')
if colon == -1 {
return hostport
}
if i := strings.IndexByte(hostport, ']'); i != -1 {
return strings.TrimPrefix(hostport[:i], "[")
}
return hostport[:colon]
}