}
        off += r;
        totalLen += r;
      }
    }

    // read MAX_ARRAY_LEN bytes without seeing end of stream
    if (in.read() == -1) {
      // oh, there's the end of the stream
      return combineBuffers(bufs, MAX_ARRAY_LEN);
    } else {
      throw new OutOfMemoryError("input is too large to fit in a byte array");
    }
  }