if token == "" {
		return token, -1
	}
	i := strings.Index(token, getKeySeparator())
	if i < 0 {
		return token, -1
	}
	nodeIndex, err := strconv.Atoi(token[i+1:])
	if err != nil {
		return token, -1
	}
	subToken = token[:i]
	return subToken, nodeIndex
}

	}
	if crypto.S3.IsEncrypted(srcObjInfo.UserDefined) {
		opts.ServerSideEncryption = encrypt.NewSSE()
	}
	slc := strings.Split(srcObjInfo.ETag, "-")
	if len(slc) == 2 {
		partsCount, err := strconv.Atoi(slc[1])
		if err != nil {
			return err
		}
		return r.copyWithMultipartfromSource(ctx, api, core, srcObjInfo, opts, partsCount)
	}
	gopts := miniogo.GetObjectOptions{
		VersionID: srcObjInfo.VersionID,
	}

			index := len(f) - 1
			suf := "(PC)"
			for !strings.HasSuffix(f[index], suf) {
				index--
				suf = "(PC),"
			}
			str := f[index]
			n, err := strconv.Atoi(str[:len(str)-len(suf)])
			if err == nil {
				f[index] = fmt.Sprintf("%d%s", seq+n, suf)
			}
		}

		if len(f) == 1 {
			printed = f[0]
		} else {
			printed = f[0] + "\t" + strings.Join(f[1:], " ")

		return StorageClass{}, config.ErrStorageClassValue(nil).Msg("Unsupported scheme " + s[0] + ". Supported scheme is EC")
	}

	// Number of parity drives should be integer
	parityDrives, err := strconv.Atoi(s[1])
	if err != nil {
		return StorageClass{}, config.ErrStorageClassValue(err)
	}
	if parityDrives < 0 {
		return StorageClass{}, config.ErrStorageClassValue(nil).Msg("Unsupported parity value " + s[1] + " provided")

			if v, ok := info.Metadata[xhttp.AmzServerSideEncryptionKmsID]; ok && strings.TrimPrefix(v, crypto.ARNPrefix) != r.Flags.Filter.KMSKeyID {
				return false
			}
		}
		return true
	}

	workerSize, err := strconv.Atoi(env.Get("_MINIO_BATCH_KEYROTATION_WORKERS", strconv.Itoa(runtime.GOMAXPROCS(0)/2)))
	if err != nil {
		return err
	}

	wk, err := workers.New(workerSize)
	if err != nil {
		// invalid worker size.

}

// GetExpiryDuration - return parsed expiry duration.
func (l Config) GetExpiryDuration(dsecs string) (time.Duration, error) {
	if dsecs == "" {
		return l.stsExpiryDuration, nil
	}

	d, err := strconv.Atoi(dsecs)
	if err != nil {
		return 0, auth.ErrInvalidDuration
	}

	dur := time.Duration(d) * time.Second

	if dur < minLDAPExpiry || dur > maxLDAPExpiry {
		return 0, auth.ErrInvalidDuration
	}

		return nil
	}
	wantParts := 0
	if strings.ContainsRune(value, '-') {
		valSplit := strings.Split(value, "-")
		if len(valSplit) != 2 {
			return nil
		}
		value = valSplit[0]
		nParts, err := strconv.Atoi(valSplit[1])
		if err != nil {
			return nil
		}
		alg |= ChecksumMultipart
		wantParts = nParts
	}
	bvalue, err := base64.StdEncoding.DecodeString(value)
	if err != nil {
		return nil
	}

func (in *Input) line() {
	// Only need to handle Plan 9 format: #line 337 "filename"
	tok := in.Stack.Next()
	if tok != scanner.Int {
		in.expectText("expected line number after #line")
	}
	line, err := strconv.Atoi(in.Stack.Text())
	if err != nil {
		in.Error("error parsing #line (cannot happen):", err)
	}
	tok = in.Stack.Next()
	if tok != scanner.String {
		in.expectText("expected file name in #line")
	}

	parts := strings.Split(version, ".")
	if len(parts) < 1 {
		err = fmt.Errorf("bad ES version string: %s", version)
		return
	}

	majorVersion, err := strconv.Atoi(parts[0])
	if err != nil {
		err = fmt.Errorf("bad ES version string: %s", version)
		return
	}

	switch {
	case majorVersion <= 6:
		res = ESSUnsupported
	default:
		res = ESSSupported
	}
	return

	ctx := r.Context()

	objectAPI, cred := validateAdminReq(ctx, w, r, policy.ConfigUpdateAdminAction)
	if objectAPI == nil {
		return
	}

	vars := mux.Vars(r)
	count, err := strconv.Atoi(vars["count"])
	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	chEntries, err := listServerConfigHistory(ctx, objectAPI, true, count)
	if err != nil {