dependencies: update go-systemd to v22.5.0

Signed-off-by: Akhil Mohan <akhilerm@gmail.com>

vendor/github.com/coreos/go-systemd/v22/internal/dlopen/dlopen_example.go

@@ -0,0 +1,57 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+//go:build linux
+// +build linux
+
+package dlopen
+
+// #include <string.h>
+// #include <stdlib.h>
+//
+// int
+// my_strlen(void *f, const char *s)
+// {
+//   size_t (*strlen)(const char *);
+//
+//   strlen = (size_t (*)(const char *))f;
+//   return strlen(s);
+// }
+import "C"
+
+import (
+	"fmt"
+	"unsafe"
+)
+
+func strlen(libs []string, s string) (int, error) {
+	h, err := GetHandle(libs)
+	if err != nil {
+		return -1, fmt.Errorf(`couldn't get a handle to the library: %v`, err)
+	}
+	defer h.Close()
+
+	f := "strlen"
+	cs := C.CString(s)
+	defer C.free(unsafe.Pointer(cs))
+
+	strlen, err := h.GetSymbolPointer(f)
+	if err != nil {
+		return -1, fmt.Errorf(`couldn't get symbol %q: %v`, f, err)
+	}
+
+	len := C.my_strlen(strlen, cs)
+
+	return int(len), nil
+}

vendor/github.com/coreos/go-systemd/v22/journal/journal_unix.go

@@ -69,6 +69,58 @@ func Enabled() bool {
 	return true
 }
 
+// StderrIsJournalStream returns whether the process stderr is connected
+// to the Journal's stream transport.
+//
+// This can be used for automatic protocol upgrading described in [Journal Native Protocol].
+//
+// Returns true if JOURNAL_STREAM environment variable is present,
+// and stderr's device and inode numbers match it.
+//
+// Error is returned if unexpected error occurs: e.g. if JOURNAL_STREAM environment variable
+// is present, but malformed, fstat syscall fails, etc.
+//
+// [Journal Native Protocol]: https://systemd.io/JOURNAL_NATIVE_PROTOCOL/#automatic-protocol-upgrading
+func StderrIsJournalStream() (bool, error) {
+	return fdIsJournalStream(syscall.Stderr)
+}
+
+// StdoutIsJournalStream returns whether the process stdout is connected
+// to the Journal's stream transport.
+//
+// Returns true if JOURNAL_STREAM environment variable is present,
+// and stdout's device and inode numbers match it.
+//
+// Error is returned if unexpected error occurs: e.g. if JOURNAL_STREAM environment variable
+// is present, but malformed, fstat syscall fails, etc.
+//
+// Most users should probably use [StderrIsJournalStream].
+func StdoutIsJournalStream() (bool, error) {
+	return fdIsJournalStream(syscall.Stdout)
+}
+
+func fdIsJournalStream(fd int) (bool, error) {
+	journalStream := os.Getenv("JOURNAL_STREAM")
+	if journalStream == "" {
+		return false, nil
+	}
+
+	var expectedStat syscall.Stat_t
+	_, err := fmt.Sscanf(journalStream, "%d:%d", &expectedStat.Dev, &expectedStat.Ino)
+	if err != nil {
+		return false, fmt.Errorf("failed to parse JOURNAL_STREAM=%q: %v", journalStream, err)
+	}
+
+	var stat syscall.Stat_t
+	err = syscall.Fstat(fd, &stat)
+	if err != nil {
+		return false, err
+	}
+
+	match := stat.Dev == expectedStat.Dev && stat.Ino == expectedStat.Ino
+	return match, nil
+}
+
 // Send a message to the local systemd journal. vars is a map of journald
 // fields to values.  Fields must be composed of uppercase letters, numbers,
 // and underscores, but must not start with an underscore. Within these

vendor/github.com/coreos/go-systemd/v22/journal/journal_windows.go

@@ -33,3 +33,11 @@ func Enabled() bool {
 func Send(message string, priority Priority, vars map[string]string) error {
 	return errors.New("could not initialize socket to journald")
 }
+
+func StderrIsJournalStream() (bool, error) {
+	return false, nil
+}
+
+func StdoutIsJournalStream() (bool, error) {
+	return false, nil
+}