AdGuardHome/internal/aghnet/net_unix.go
Eugene Burkov 7528699fc2 cherry-pick: 3987 Fix nil pointer dereference
Merge in DNS/adguard-home from 3987-fix-nil-deref to master

Updates #3987.
Updates #2846.

Squashed commit of the following:

commit d653e09ce88a8b10b2a17fea1563c419895c714c
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Thu Dec 23 20:08:51 2021 +0300

    all: log changes

commit c47a4eeacf76fa7df2d01af166dee9d52528ac58
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Thu Dec 23 19:22:39 2021 +0300

    aghnet: fix windows tests

commit 9c91f14ccfe967ada3c00ddb86d673238e52c12d
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Thu Dec 23 19:09:49 2021 +0300

    aghnet: imp code readability, docs

commit d3df15d1892e4ebfe7f8ea7144e39a0c712fce52
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Thu Dec 23 18:47:28 2021 +0300

    aghnet: fix nil pointer dereference
2021-12-24 22:41:10 +03:00

20 lines
388 B
Go

//go:build openbsd || freebsd || linux || darwin
// +build openbsd freebsd linux darwin
package aghnet
import (
"io"
"syscall"
"github.com/AdguardTeam/golibs/errors"
)
// closePortChecker closes c. c must be non-nil.
func closePortChecker(c io.Closer) (err error) {
return c.Close()
}
func isAddrInUse(err syscall.Errno) (ok bool) {
return errors.Is(err, syscall.EADDRINUSE)
}