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master
vendor/github.com/google/uuid/node_net.go
33 строки
949 B
Jordan Liggitt
github.com/pborman/uuid v1.2.0
08 апр 2019, 22:20
08 апр 2019, 22:20
e2e1f49
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// Copyright 2017 Google Inc. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // +build !js package uuid import "net" var interfaces []net.Interface // cached list of interfaces // getHardwareInterface returns the name and hardware address of interface name. // If name is "" then the name and hardware address of one of the system's // interfaces is returned. If no interfaces are found (name does not exist or // there are no interfaces) then "", nil is returned. // // Only addresses of at least 6 bytes are returned. func getHardwareInterface(name string) (string, []byte) { if interfaces == nil { var err error interfaces, err = net.Interfaces() if err != nil { return "", nil } } for _, ifs := range interfaces { if len(ifs.HardwareAddr) >= 6 && (name == "" || name == ifs.Name) { return ifs.Name, ifs.HardwareAddr } } return "", nil }