// SPDX-License-Identifier: GPL-3.0-or-later //go:build linux package logger import ( "os" "strconv" "strings" "syscall" ) func isStderrConnectedToJournal() bool { stream := os.Getenv("JOURNAL_STREAM") if stream == "" { return false } idx := strings.IndexByte(stream, ':') if idx <= 0 { return false } dev, ino := stream[:idx], stream[idx+1:] var stat syscall.Stat_t if err := syscall.Fstat(int(os.Stderr.Fd()), &stat); err != nil { return false } return dev == strconv.Itoa(int(stat.Dev)) && ino == strconv.FormatUint(stat.Ino, 10) }