if nmsgs != len(msgs)+nskips {
		return nil, EINVAL
	}
	return msgs, nil
}

// ParseRoutingSockaddr parses msg's payload as raw sockaddrs and
// returns the slice containing the [Sockaddr] interfaces.
//
// Deprecated: Use golang.org/x/net/route instead.
func ParseRoutingSockaddr(msg RoutingMessage) ([]Sockaddr, error) {
	sas, err := msg.sockaddr()
	if err != nil {

	SIGQUIT   = C.SIGQUIT
	SIGILL    = C.SIGILL
	SIGTRAP   = C.SIGTRAP
	SIGABRT   = C.SIGABRT
	SIGEMT    = C.SIGEMT
	SIGFPE    = C.SIGFPE
	SIGKILL   = C.SIGKILL
	SIGBUS    = C.SIGBUS
	SIGSEGV   = C.SIGSEGV
	SIGSYS    = C.SIGSYS
	SIGPIPE   = C.SIGPIPE
	SIGALRM   = C.SIGALRM
	SIGTERM   = C.SIGTERM
	SIGURG    = C.SIGURG
	SIGSTOP   = C.SIGSTOP
	SIGTSTP   = C.SIGTSTP
	SIGCONT   = C.SIGCONT
	SIGCHLD   = C.SIGCHLD

	SIGQUIT   = C.SIGQUIT
	SIGILL    = C.SIGILL
	SIGTRAP   = C.SIGTRAP
	SIGABRT   = C.SIGABRT
	SIGEMT    = C.SIGEMT
	SIGFPE    = C.SIGFPE
	SIGKILL   = C.SIGKILL
	SIGBUS    = C.SIGBUS
	SIGSEGV   = C.SIGSEGV
	SIGSYS    = C.SIGSYS
	SIGPIPE   = C.SIGPIPE
	SIGALRM   = C.SIGALRM
	SIGTERM   = C.SIGTERM
	SIGURG    = C.SIGURG
	SIGSTOP   = C.SIGSTOP
	SIGTSTP   = C.SIGTSTP
	SIGCONT   = C.SIGCONT
	SIGCHLD   = C.SIGCHLD

	SIGQUIT   = C.SIGQUIT
	SIGILL    = C.SIGILL
	SIGTRAP   = C.SIGTRAP
	SIGABRT   = C.SIGABRT
	SIGEMT    = C.SIGEMT
	SIGFPE    = C.SIGFPE
	SIGKILL   = C.SIGKILL
	SIGBUS    = C.SIGBUS
	SIGSEGV   = C.SIGSEGV
	SIGSYS    = C.SIGSYS
	SIGPIPE   = C.SIGPIPE
	SIGALRM   = C.SIGALRM
	SIGTERM   = C.SIGTERM
	SIGURG    = C.SIGURG
	SIGSTOP   = C.SIGSTOP
	SIGTSTP   = C.SIGTSTP
	SIGCONT   = C.SIGCONT
	SIGCHLD   = C.SIGCHLD

	}
	for _, val := range badValues {
		if msgs := IsCIdentifier(val); len(msgs) == 0 {
			t.Errorf("expected false for '%s'", val)
		}
	}
}

func TestIsValidPortNum(t *testing.T) {
	goodValues := []int{1, 2, 1000, 16384, 32768, 65535}
	for _, val := range goodValues {
		if msgs := IsValidPortNum(val); len(msgs) != 0 {
			t.Errorf("expected true for %d, got %v", val, msgs)
		}
	}

	SIGQUIT   = C.SIGQUIT
	SIGILL    = C.SIGILL
	SIGTRAP   = C.SIGTRAP
	SIGABRT   = C.SIGABRT
	SIGEMT    = C.SIGEMT
	SIGFPE    = C.SIGFPE
	SIGKILL   = C.SIGKILL
	SIGBUS    = C.SIGBUS
	SIGSEGV   = C.SIGSEGV
	SIGSYS    = C.SIGSYS
	SIGPIPE   = C.SIGPIPE
	SIGALRM   = C.SIGALRM
	SIGTERM   = C.SIGTERM
	SIGURG    = C.SIGURG
	SIGSTOP   = C.SIGSTOP
	SIGTSTP   = C.SIGTSTP
	SIGCONT   = C.SIGCONT
	SIGCHLD   = C.SIGCHLD

func NamespaceKeyFunc(prefix string, obj runtime.Object) (string, error) {
	meta, err := meta.Accessor(obj)
	if err != nil {
		return "", err
	}
	name := meta.GetName()
	if msgs := path.IsValidPathSegmentName(name); len(msgs) != 0 {
		return "", fmt.Errorf("invalid name: %v", msgs)
	}
	return prefix + "/" + meta.GetNamespace() + "/" + name, nil
}

func NoNamespaceKeyFunc(prefix string, obj runtime.Object) (string, error) {

	if err != nil {
		return nil, err
	}
	msgs := diag.Messages{}

	m, err := checkServerVersion(cli)
	if err != nil {
		return nil, err
	}
	msgs = append(msgs, m...)

	msgs = append(msgs, checkInstallPermissions(cli, ctx.IstioNamespace())...)
	gwMsg, err := checkGatewayAPIs(cli)
	if err != nil {
		return nil, err
	}
	msgs = append(msgs, gwMsg...)

	// TODO: add more checks

	name           resource.FullName
	cluster        cluster.ID
}

func (i *istiodContext) Report(c config.GroupVersionKind, m diag.Message) {
	msgs := i.messages[i.currentAnalyzer]
	if msgs == nil {
		msgs = &diag.Messages{}
		i.messages[i.currentAnalyzer] = msgs
	}
	msgs.Add(m)
}

func (i *istiodContext) SetAnalyzer(analyzerName string) {
	i.currentAnalyzer = analyzerName
}

func ParseSocketControlMessage(b []byte) ([]SocketControlMessage, error) {
	var msgs []SocketControlMessage
	i := 0
	for i+CmsgLen(0) <= len(b) {
		h, dbuf, err := socketControlMessageHeaderAndData(b[i:])
		if err != nil {
			return nil, err
		}
		m := SocketControlMessage{Header: *h, Data: dbuf}
		msgs = append(msgs, m)
		i += cmsgAlignOf(int(h.Len))
	}
	return msgs, nil
}