tw := NewWriter(&buf)
	const name = "/foo"
	tw.WriteHeader(&Header{
		Name: name,
	})
	tw.Close()
	tr := NewReader(&buf)
	h, err := tr.Next()
	if err != nil {
		t.Fatalf("tr.Next with tarinsecurepath=1: got err %v, want nil", err)
	}
	if h.Name != name {
		t.Fatalf("tr.Next with tarinsecurepath=1: got name %q, want %q", h.Name, name)
	}

		if err != nil {
			t.Error(err)
			continue
		}
		if strings.Contains(fi.Name(), "/") {
			t.Errorf("FileInfo of %q contains slash: %q", v.h.Name, fi.Name())
		}
		name := path.Base(v.h.Name)
		if fi.IsDir() {
			name += "/"
		}
		if got, want := h2.Name, name; got != want {
			t.Errorf("i=%d: Name: got %v, want %v", i, got, want)
		}
		if got, want := h2.Size, v.h.Size; got != want {

// Passing an instance of this to [FileInfoHeader] permits the caller
// to avoid a system-dependent name lookup by specifying the Uname and Gname directly.
type FileInfoNames interface {
	fs.FileInfo
	// Uname should give a user name.
	Uname() (string, error)
	// Gname should give a group name.
	Gname() (string, error)
}

// isHeaderOnlyType checks if the given type flag is of the type that has no

	if len(routes) == 0 {
		return nil, fmt.Errorf("no routes found")
	}
	sort.Slice(routes, func(i, j int) bool {
		iName, err := strconv.Atoi(routes[i].Name)
		if err != nil {
			return false
		}
		jName, err := strconv.Atoi(routes[j].Name)
		if err != nil {
			return false
		}
		return iName < jName
	})
	return routes, nil
}

func isPassthrough(action any) bool {
	a, ok := action.(*route.Route_Route)

		iDirection, iSubset, iName, iPort := safelyParseSubsetKey(endpoints[i].ClusterName)
		jDirection, jSubset, jName, jPort := safelyParseSubsetKey(endpoints[j].ClusterName)
		if iName == jName {
			if iSubset == jSubset {
				if iPort == jPort {
					return iDirection < jDirection
				}
				return iPort < jPort
			}
			return iSubset < jSubset
		}
		return iName < jName
	})
	return endpoints, nil
}

#!/usr/bin/env bash
#

_init() {

	shopt -s extglob

	## Minimum required versions for build dependencies
	GIT_VERSION="1.0"
	GO_VERSION="1.16"
	OSX_VERSION="10.8"
	KNAME=$(uname -s)
	ARCH=$(uname -m)
	case "${KNAME}" in
	SunOS)
		ARCH=$(isainfo -k)
		;;
	esac
}

## FIXME:
## In OSX, 'readlink -f' option does not exist, hence
## we have our own readlink -f behavior here.

func exportError(ctx context.Context, err error, fname, entity string) APIError {
	if entity == "" {
		return toAPIError(ctx, fmt.Errorf("error exporting %s with: %w", fname, err))
	}
	return toAPIError(ctx, fmt.Errorf("error exporting %s from %s with: %w", entity, fname, err))
}

// wraps import error for more context
func importError(ctx context.Context, err error, fname, entity string) APIError {
	if entity == "" {

	files := r.fileList
	i, _ := slices.BinarySearchFunc(files, dir, func(a fileListEntry, dir string) (ret int) {
		idir, ielem, _ := split(a.name)
		if dir != idir {
			return strings.Compare(idir, dir)
		}
		return strings.Compare(ielem, elem)
	})
	if i < len(files) {
		fname := files[i].name
		if fname == name || len(fname) == len(name)+1 && fname[len(name)] == '/' && fname[:len(name)] == name {

	validKVS, ok := DefaultLambdaKVS[subSys]
	if !ok {
		return nil
	}
	for tname, kv := range tgt {
		subSysTarget := subSys
		if tname != config.Default {
			subSysTarget = subSys + config.SubSystemSeparator + tname
		}
		if v, ok := kv.Lookup(config.Enable); ok && v == config.EnableOn {
			if err := config.CheckValidKeys(subSysTarget, kv, validKVS); err != nil {

	for _, test := range []struct {
		name string
		h    *Header
	}{{
		name: "name too long",
		h:    &Header{Name: strings.Repeat("a", maxSpecialFileSize)},
	}, {
		name: "linkname too long",
		h:    &Header{Linkname: strings.Repeat("a", maxSpecialFileSize)},
	}, {
		name: "uname too long",
		h:    &Header{Uname: strings.Repeat("a", maxSpecialFileSize)},
	}, {
		name: "gname too long",