return NewReaderSize(rd, defaultBufSize)
}

// Size returns the size of the underlying buffer in bytes.
func (b *Reader) Size() int { return len(b.buf) }

// Reset discards any buffered data, resets all state, and switches
// the buffered reader to read from r.
// Calling Reset on the zero value of [Reader] initializes the internal buffer
// to the default size.
// Calling b.Reset(b) (that is, resetting a [Reader] to itself) does nothing.

					stmt.Dest = destValueCanAddr.Interface()
					destValue = destValueCanAddr.Elem()
				}

				switch destValue.Kind() {
				case reflect.Struct:
					stmt.AddError(field.Set(stmt.Context, destValue, value))
				default:
					stmt.AddError(ErrInvalidData)
				}
			}

			switch stmt.ReflectValue.Kind() {
			case reflect.Slice, reflect.Array:
				if len(fromCallbacks) > 0 {

				w.Header().Get(xhttp.AmzRequestHostID),
			),
		}

		writeResponse(w, apiErr.HTTPStatusCode, encodeResponse(errResp), mimeXML)
	}()

	opts, err = getOpts(ctx, r, bucket, object)
	if err != nil {
		switch vErr := err.(type) {
		case InvalidVersionID:
			apiErr = toAPIError(ctx, vErr)
			argumentName = strings.ToLower("versionId")
			argumentValue = vErr.VersionID
		default:
			apiErr = toAPIError(ctx, vErr)
		}

	// Parse the nanoseconds.
	// Initialize an array with '0's to handle right padding automatically.
	nanoDigits := [maxNanoSecondDigits]byte{'0', '0', '0', '0', '0', '0', '0', '0', '0'}
	for i := range len(sn) {
		switch c := sn[i]; {
		case c < '0' || c > '9':
			return time.Time{}, ErrHeader
		case i < len(nanoDigits):
			nanoDigits[i] = c
		}
	}

		return nil
	}
	if len(data) <= 4 {
		return fmt.Errorf("rebalanceMeta: no data")
	}

	// Read header
	switch binary.LittleEndian.Uint16(data[0:2]) {
	case rebalMetaFmt:
	default:
		return fmt.Errorf("rebalanceMeta: unknown format: %d", binary.LittleEndian.Uint16(data[0:2]))
	}
	switch binary.LittleEndian.Uint16(data[2:4]) {
	case rebalMetaVer:
	default:

			return i
		}
	}
	return -1
}

// LastIndex returns the index of the last instance of sep in s, or -1 if sep is not present in s.
func LastIndex(s, sep []byte) int {
	n := len(sep)
	switch {
	case n == 0:
		return len(s)
	case n == 1:
		return bytealg.LastIndexByte(s, sep[0])
	case n == len(s):
		if Equal(s, sep) {
			return 0
		}
		return -1
	case n > len(s):
		return -1

	}

	// if Content-Length is unknown/missing, throw away
	size := r.ContentLength

	rAuthType := getRequestAuthType(r)
	// For auth type streaming signature, we need to gather a different content length.
	switch rAuthType {
	// Check signature types that must have content length
	case authTypeStreamingSigned, authTypeStreamingSignedTrailer, authTypeStreamingUnsignedTrailer:
		if sizeStr, ok := r.Header[xhttp.AmzDecodedContentLength]; ok {

			writeResponse(w, serr.HTTPStatusCode(), encodedErrorResponse, mimeXML)
		} else {
			writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		}
		return
	}

	// Set encryption response headers
	switch kind, _ := crypto.IsEncrypted(objInfo.UserDefined); kind {
	case crypto.S3:
		w.Header().Set(xhttp.AmzServerSideEncryption, xhttp.AmzEncryptionAES)
	case crypto.S3KMS:

		tags["d:p"] = fmt.Sprintf("%d:%d", er.setDriveCount-er.defaultParityCount, er.defaultParityCount)
	}

	// count the number of offline disks
	offline := 0
	for i := range len(errs) {
		var found bool
		switch {
		case errors.Is(errs[i], errDiskNotFound):
			found = true
		default:
			for p := range dataErrsByPart {
				if dataErrsByPart[p][i] == checkPartDiskNotFound {
					found = true
					break
				}

		if cred.ParentUser != "" {
			selfDN = cred.ParentUser
		}
		userList = append(userList, selfDN)
	}

	listType := r.Form.Get("listType")
	var listSTSKeys, listServiceAccounts bool
	switch listType {
	case madmin.AccessKeyListUsersOnly:
		listSTSKeys = false
		listServiceAccounts = false
	case madmin.AccessKeyListSTSOnly:
		listSTSKeys = true
		listServiceAccounts = false