)

		var enabled bool
		if isExplicitlyEnabled {
			enabled, err = config.ParseBool(cfgEnableVal)
			if err != nil {
				return c, err
			}
			// No need to continue loading if the config is not enabled.
			if !enabled {
				continue
			}
		}

		p := newProviderCfgFromConfig(getCfgVal)
		configURL := getCfgVal(ConfigURL)

		if !isExplicitlyEnabled {
			enabled = true

		if err = v.LoadFromURL(u.String(), minisignPubkey, transport); err != nil {
			return AdminError{
				Code:       AdminUpdateApplyFailure,
				Message:    fmt.Sprintf("signature loading failed for %v with %v", u, err),
				StatusCode: http.StatusInternalServerError,
			}
		}
		opts.Verifier = v
	}

	if err = selfupdate.PrepareAndCheckBinary(reader, opts); err != nil {

	if authn := newGlobalAuthNPluginFn(); authn != nil {
		riMap := authn.GetRoleInfo()
		sys.validateAndAddRolePolicyMappings(ctx, riMap)
	}

	sys.printIAMRoles()

	bootstrapTraceMsg("finishing IAM loading")
}

func (sys *IAMSys) periodicRoutines(ctx context.Context, baseInterval time.Duration) {
	// Watch for IAM config changes for iamStorageWatcher.
	watcher, isWatcher := sys.store.IAMStorageAPI.(iamStorageWatcher)

			return nil, fmt.Errorf("parity validation returned an error: %w <- (%d, %d), for pool(%s)", err, commonParityDrives, ep.DrivesPerSet, humanize.Ordinal(i+1))
		}

		bootstrapTrace("waitForFormatErasure: loading disks", func() {
			storageDisks[i], formats[i], err = waitForFormatErasure(local, ep.Endpoints, i+1,
				ep.SetCount, ep.DrivesPerSet, deploymentID)
		})
		if err != nil {
			return nil, err
		}

			bootstrapTraceMsg("loading regular users")
			if err := store.loadUsers(ctx, regUser, newCache.iamUsersMap); err != nil {
				return err
			}
			bootstrapTraceMsg("loading regular groups")
			if err := store.loadGroups(ctx, newCache.iamGroupsMap); err != nil {
				return err
			}
		}

		bootstrapTraceMsg("loading user policy mapping")
		// load polices mapped to users

func initConfig(objAPI ObjectLayer) (err error) {
	bootstrapTraceMsg("load the configuration")
	defer func() {
		if err != nil {
			bootstrapTraceMsg(fmt.Sprintf("loading configuration failed: %v", err))
		}
	}()

	if objAPI == nil {
		return errServerNotInitialized
	}

	srvCfg, err := readConfigWithoutMigrate(GlobalContext, objAPI)
	if err != nil {
		return err

		"substring('abcd' from 2)",
		"substring('abcd' , 2 , 2)",

		"substring('abcd' , 22 )",
		"trim('  aab  ')",
		"trim(leading from '  aab  ')",
		"trim(trailing from '  aab  ')",
		"trim(both from '  aab  ')",

		"trim(both '12' from '  aab  ')",
		"trim(leading '12' from '  aab  ')",
		"trim(trailing '12' from '  aab  ')",
		"count(23)",
	}
	for i, tc := range validCases {

		}

		if length > (endIdx - startIdx) {
			length = endIdx - startIdx
		}

		endIdx = startIdx + length
	}

	return string(rs[startIdx:endIdx]), nil
}

const (
	trimLeading  = "LEADING"
	trimTrailing = "TRAILING"
	trimBoth     = "BOTH"
)

func evalSQLTrim(where *string, trimChars, text string) (result string, err error) {
	cutSet := " "
	if trimChars != "" {
		cutSet = trimChars
	}

	// systemTargets is the set of enabled loggers.
	// Must be immutable at all times.
	// Can be swapped to another while holding swapMu
	systemTargets  = []Target{}
	swapSystemMuRW sync.RWMutex

	// auditTargets is the list of enabled audit loggers
	// Must be immutable at all times.
	// Can be swapped to another while holding swapMu
	auditTargets  = []Target{}
	swapAuditMuRW sync.RWMutex

	// This is always set represent /dev/console target

			extractedSignedHeaders.Set(header, strconv.FormatInt(r.ContentLength, 10))
		default:
			return nil, ErrUnsignedHeaders
		}
	}
	return extractedSignedHeaders, ErrNone
}

// Trim leading and trailing spaces and replace sequential spaces with one space, following Trimall()
// in http://docs.aws.amazon.com/general/latest/gr/sigv4-create-canonical-request.html
func signV4TrimAll(input string) string {