}

const maxLineLength = 4 * humanize.KiByte // assumed <= bufio.defaultBufSize 4KiB

// lineTooLong is generated as chunk header is bigger than 4KiB.
var errLineTooLong = errors.New("header line too long")

// malformed encoding is generated when chunk header is wrongly formed.
var errMalformedEncoding = errors.New("malformed chunked encoding")

// chunk is considered too big if its bigger than > 16MiB.

}

func ManifestGenerateCmd(ctx cli.Context, rootArgs *RootArgs, mgArgs *ManifestGenerateArgs) *cobra.Command {
	return &cobra.Command{
		Use:   "generate",
		Short: "Generates an Istio install manifest",
		Long:  "The generate subcommand generates an Istio install manifest and outputs to the console by default.",
		// nolint: lll
		Example: `  # Generate a default Istio installation
  istioctl manifest generate

  # Enable Tracing

	if err := Mkdir(dirPath, perm); err != nil {
		if osIsExist(err) {
			return nil
		}
		return err
	}

	return nil
}

// The buffer must be at least a block long.
// refer https://github.com/golang/go/issues/24015
const blockSize = 8 << 10 // 8192

// By default at least 128 entries in single getdents call (1MiB buffer)
var (
	direntPool = sync.Pool{

}

func (c *closeNotifier) Close() error {
	if c.done != nil {
		xioutil.SafeClose(c.done)
		c.done = nil
	}
	return c.rc.Close()
}

// keepHTTPReqResponseAlive can be used to avoid timeouts with long storage
// operations, such as bitrot verification or data usage scanning.
// Every 10 seconds a space character is sent.
// keepHTTPReqResponseAlive will wait for the returned body to be read before starting the ticker.

type Author struct {
	gorm.Model
}

type Book struct {
	gorm.Model
	Author   Author
	AuthorID uint
}

func (Book) TableName() string {
	return "my_schema.a_very_very_very_very_very_very_very_very_long_table_name"
}

func TestParseConstraintNameWithSchemaQualifiedLongTableName(t *testing.T) {
	s, err := schema.Parse(
		&Book{},
		&sync.Map{},
		schema.NamingStrategy{IdentifierMaxLength: 64},
	)

	if err != nil && !errors.Is(err, errNoSuchPolicy) {
		return err
	}

	return nil
}

// DeleteUser - deletes a user from storage and cache. This only used with
// long-term users and service accounts, not STS.
func (store *IAMStoreSys) DeleteUser(ctx context.Context, accessKey string, userType IAMUserType) error {
	if accessKey == "" {
		return errInvalidArgument
	}

	defaultProxyAdminPort = 15000
)

func ZtunnelConfig(ctx cli.Context) *cobra.Command {
	configCmd := &cobra.Command{
		Use:   "ztunnel-config",
		Short: "Update or retrieve current Ztunnel configuration.",
		Long:  "A group of commands used to update or retrieve Ztunnel configuration from a Ztunnel instance.",
		Example: `  # Retrieve summary about workload configuration
  istioctl x ztunnel-config workload

func ProfileCmd(_ cli.Context) *cobra.Command {
	pc := &cobra.Command{
		Use:   "profile",
		Short: "Commands related to Istio configuration profiles",
		Long:  "The profile command lists, dumps or diffs Istio configuration profiles.",
		Example: "istioctl profile list\n" +
			"istioctl install --set profile=demo  # Use a profile from the list",
	}

	pdArgs := &profileDumpArgs{}

// errTooManyOpenFiles - too many open files.
var errTooManyOpenFiles = StorageErr("too many open files, please increase 'ulimit -n'")

// errFileNameTooLong - given file name is too long than supported length.
var errFileNameTooLong = StorageErr("file name too long")

// errVolumeExists - cannot create same volume again.
var errVolumeExists = StorageErr("volume already exists")

// errIsNotRegular - not of regular file type.

	nameBuf := (*[unsafe.Sizeof(dirent.Name)]byte)(unsafe.Pointer(&dirent.Name[0]))
	const nameBufLen = uint16(len(nameBuf))
	limit := dirent.Reclen - fixedHdr
	if limit > nameBufLen {
		limit = nameBufLen
	}
	// Avoid bugs in long file names
	// https://github.com/golang/tools/commit/5f9a5413737ba4b4f692214aebee582b47c8be74
	nameLen := bytes.IndexByte(nameBuf[:limit], 0)
	if nameLen < 0 {
		return 0, fmt.Errorf("failed to find terminating 0 byte in dirent")