default:
			return false, errCastFailure("cannot cast to Bool")
		}
	}
	switch x := v.value.(type) {
	case bool:
		return x, nil
	case string:
		return sToB(strings.ToLower(x))
	case []byte:
		return sToB(strings.ToLower(string(x)))
	default:
		return false, errCastFailure("cannot cast %v to Bool")
	}

			apiErr = toAPIError(ctx, vErr)
			argumentName = strings.ToLower("versionId")
			argumentValue = vErr.VersionID
		default:
			apiErr = toAPIError(ctx, vErr)
		}
		valid = false
		return
	}

	opts.MaxParts, err = parseIntHeader(bucket, object, r.Header, xhttp.AmzMaxParts)
	if err != nil {
		apiErr = toAPIError(ctx, err)
		argumentName = strings.ToLower(xhttp.AmzMaxParts)
		valid = false
		return
	}

			default:
				var s string
				if err = d.DecodeElement(&s, &se); err != nil {
					return err
				}
				switch tagName {
				case "FileHeaderInfo":
					args.FileHeaderInfo = strings.ToLower(s)
				case "RecordDelimiter":
					args.RecordDelimiter = s
				case "FieldDelimiter":
					args.FieldDelimiter = s
				case "QuoteCharacter":
					if utf8.RuneCountInString(s) > 1 {

	}

	if field.GORMDataType == "" {
		field.GORMDataType = field.DataType
	}

	if val, ok := field.TagSettings["TYPE"]; ok {
		switch DataType(strings.ToLower(val)) {
		case Bool, Int, Uint, Float, String, Time, Bytes:
			field.DataType = DataType(strings.ToLower(val))
		default:
			field.DataType = DataType(val)
		}
	}

	if field.Size == 0 {
		switch reflect.Indirect(fieldValue).Kind() {

		return err
	}

	// Kill any hanging debug bridges that might take up port 3222.
	exec.Command("killall", "idevicedebugserverproxy").Run()

	closer, err := startDebugBridge()
	if err != nil {
		return err
	}
	defer closer()

	return runDevice(appdir, bundleID, os.Args[2:])
}

func getenv(envvar string) string {
	s := os.Getenv(envvar)
	if s == "" {

	var modeStr, tillStr string
	ok := false

	modeStr, ok = meta[strings.ToLower(AmzObjectLockMode)]
	if !ok {
		modeStr, ok = meta[AmzObjectLockMode]
	}
	if ok {
		mode = parseRetMode(modeStr)
	} else {
		return ObjectRetention{}
	}

	tillStr, ok = meta[strings.ToLower(AmzObjectLockRetainUntilDate)]
	if !ok {
		tillStr, ok = meta[AmzObjectLockRetainUntilDate]
	}
	if ok {

func registerMetricsRouter(router *mux.Router) {
	// metrics router
	metricsRouter := router.NewRoute().PathPrefix(minioReservedBucketPath).Subrouter()
	authType := prometheusAuthType(strings.ToLower(env.Get(EnvPrometheusAuthType, string(prometheusJWT))))

	auth := AuthMiddleware
	if authType == prometheusPublic {
		auth = NoAuthMiddleware
	}
	metricsRouter.Handle(prometheusMetricsPathLegacy, auth(metricsHandler()))

// arguments.
type SimpleArgFunc struct {
	FunctionName string `parser:" @(\"AVG\" | \"MAX\" | \"MIN\" | \"SUM\" |  \"COALESCE\" | \"NULLIF\" | \"TO_STRING\" | \"TO_TIMESTAMP\" | \"UTCNOW\" | \"CHAR_LENGTH\" | \"CHARACTER_LENGTH\" | \"LOWER\" | \"UPPER\") "`

	ArgsList []*Expression `parser:"\"(\" (@@ (\",\" @@)*)?\")\""`
}

// CountFunc represents the COUNT sql function
type CountFunc struct {

func getCanonicalHeaders(signedHeaders http.Header) string {
	var headers []string
	vals := make(http.Header)
	for k, vv := range signedHeaders {
		k = strings.ToLower(k)
		headers = append(headers, k)
		vals[k] = vv
	}
	sort.Strings(headers)

	var buf bytes.Buffer
	for _, k := range headers {
		buf.WriteString(k)
		buf.WriteByte(':')
		for idx, v := range vals[k] {

	crc := hashDeterministicString(c.Meta)
	c.Meta = nil

	if bts, err := c.MarshalMsg(metaDataPoolGet()); err == nil {
		crc ^= xxhash.Sum64(bts)
		metaDataPoolPut(bts)
	}

	// Combine upper and lower part
	var tmp [4]byte
	binary.LittleEndian.PutUint32(tmp[:], uint32(crc^(crc>>32)))
	return tmp
}

// XL metadata constants.
const (
	// XL meta version.
	xlMetaVersion101 = "1.0.1"