/usr/share/gocode/src/github.com/hashicorp/serf/testutil/addr.go is in golang-github-hashicorp-serf-dev 0.7.0~ds1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | package testutil
import (
"net"
"sync"
)
var bindLock sync.Mutex
var bindNum byte = 10
// Returns an unused address for binding to for tests.
func GetBindAddr() net.IP {
bindLock.Lock()
defer bindLock.Unlock()
result := net.IPv4(127, 0, 0, bindNum)
bindNum++
if bindNum == 0 {
bindNum = 10
}
return result
}
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