if offsetBeginString[0] == '+' {
			return nil, fmt.Errorf("Byte position ('%s') must not have a sign", offsetBeginString)
		} else if offsetBegin, err = strconv.ParseInt(offsetBeginString, 10, 64); err != nil {
			return nil, fmt.Errorf("'%s' does not have a valid first byte position value", rangeString)
		} else if offsetBegin < 0 {
			return nil, fmt.Errorf("First byte position is negative ('%d')", offsetBegin)
		}
	}

		} else if shardFileSize < inlineBlock/8 {
			inlineBuffers = make([]*bytes.Buffer, len(onlineDisks))
		}
	} else {
		// If compressed, use actual size to determine.
		if sz := erasure.ShardFileSize(data.ActualSize()); sz > 0 {
			if !opts.Versioned && sz < inlineBlock {
				inlineBuffers = make([]*bytes.Buffer, len(onlineDisks))
			} else if sz < inlineBlock/8 {

	if ri == nil {
		return
	}
	if success {
		if dmarker {
			ri.DeleteMarkers++
		} else {
			ri.Objects++
			ri.BytesTransferred += size
		}
	} else {
		if dmarker {
			ri.DeleteMarkersFailed++
		} else {
			ri.ObjectsFailed++
			ri.BytesFailed += size
		}
	}
}

	case dns.ErrBucketConflict:
		apiErr = ErrBucketAlreadyExists
	default:
		if strings.Contains(err.Error(), "request declared a Content-Length") {
			apiErr = ErrIncompleteBody
		} else {
			apiErr = ErrInternalError
		}
	}

	return apiErr
}

var noError = APIError{}

// toAPIError - Converts embedded errors. Convenience