* @return the ANSI password hash
     */
    public byte[] getAnsiHash(final byte[] challenge) {
        if (hashesExternal) {
            return ansiHash;
        }
        switch (LM_COMPATIBILITY) {
        case 0:
        case 1:
            return getPreNTLMResponse(password, challenge);
        case 2:
            return getNTLMResponse(password, challenge);
        case 3:

		bucket = params[0]
	}
	if len(params) == 2 {
		object = params[1]
	}
	if len(params) == 3 {
		uploadID = params[2]
	}

	// in some cases just a plain error is being returned
	switch err.Error() {
	case "storage: bucket doesn't exist":
		err = BucketNotFound{
			Bucket: bucket,
		}
		return err
	case "storage: object doesn't exist":
		if uploadID != "" {
			err = InvalidUploadID{

			Name: opts.Object,
			Pool: er.poolIndex + 1,
			Set:  er.setIndex + 1,
		}.String(),
	}

	auditLogInternal(ctx, opts)
}

func objectErrToDriveState(reason error) string {
	switch {
	case reason == nil:
		return madmin.DriveStateOk
	case IsErr(reason, errDiskNotFound):
		return madmin.DriveStateOffline

	if err := globalIAMSys.OpenIDConfig.Validate(r.Context(), roleArn, token, accessToken, r.Form.Get(stsDurationSeconds), claims); err != nil {
		switch err {
		case openid.ErrTokenExpired:
			switch action {
			case clientGrants:
				writeSTSErrorResponse(ctx, w, ErrSTSClientGrantsExpiredToken, err)
			case webIdentity:
				writeSTSErrorResponse(ctx, w, ErrSTSWebIdentityExpiredToken, err)

package arch

import (
	"cmd/internal/obj"
	"cmd/internal/obj/riscv"
)

// IsRISCV64AMO reports whether op is an AMO instruction that requires
// special handling.
func IsRISCV64AMO(op obj.As) bool {
	switch op {
	case riscv.ASCW, riscv.ASCD, riscv.AAMOSWAPW, riscv.AAMOSWAPD, riscv.AAMOADDW, riscv.AAMOADDD,
		riscv.AAMOANDW, riscv.AAMOANDD, riscv.AAMOORW, riscv.AAMOORD, riscv.AAMOXORW, riscv.AAMOXORD,

		}
		if n != len(data) {
			return errors.New("heal mrf: no data")
		}
		// Read resync meta header
		switch binary.LittleEndian.Uint16(data[0:2]) {
		case healMRFMetaFormat:
		default:
			return fmt.Errorf("heal mrf: unknown format: %d", binary.LittleEndian.Uint16(data[0:2]))
		}
		switch binary.LittleEndian.Uint16(data[2:4]) {
		case healMRFMetaVersionV1:
		default:

		bugLogIf(ctx, errors.New("unexpected context.Context does not have a logger.ReqInfo"), logger.ErrorKind)
		return ErrAccessDenied
	}

	var cred auth.Credentials
	var owner bool
	switch getRequestAuthType(r) {
	case authTypeUnknown, authTypeStreamingSigned, authTypeStreamingSignedTrailer, authTypeStreamingUnsignedTrailer:
		return ErrSignatureVersionNotSupported
	case authTypePresignedV2, authTypeSignedV2:

		}
	}

	authType := getRequestAuthType(r)
	var signatureVersion string
	switch authType {
	case authTypeSignedV2, authTypePresignedV2:
		signatureVersion = signV2Algorithm
	case authTypeSigned, authTypePresigned, authTypeStreamingSigned, authTypePostPolicy:
		signatureVersion = signV4Algorithm
	}

	var authtype string
	switch authType {
	case authTypePresignedV2, authTypePresigned:
		authtype = "REST-QUERY-STRING"

  // TODO(kevinb): remove after this warning is disabled globally
  public static int log2(BigInteger x, RoundingMode mode) {
    checkPositive("x", checkNotNull(x));
    int logFloor = x.bitLength() - 1;
    switch (mode) {
      case UNNECESSARY:
        checkRoundingUnnecessary(isPowerOfTwo(x)); // fall through
      case DOWN:
      case FLOOR:
        return logFloor;

      case UP:
      case CEILING:

	if objectAPI == nil {
		return
	}

	vars := mux.Vars(r)
	bucket := vars["bucket"]
	operation := madmin.BktOp(vars["operation"])

	var err error
	switch operation {
	default:
		err = errSRInvalidRequest(errInvalidArgument)
	case madmin.MakeWithVersioningBktOp:
		createdAt, cerr := time.Parse(time.RFC3339Nano, strings.TrimSpace(r.Form.Get("createdAt")))
		if cerr != nil {