Method ensureHeader

c++/src/Compression.cc:146–158

  }

  void CompressionStreamBase::ensureHeader() {
    // adjust 3 bytes for the compression header
    for (uint32_t i = 0; i < HEADER_SIZE; ++i) {
      if (outputPosition >= outputSize) {
        if (!BufferedOutputStream::Next(reinterpret_cast<void**>(&outputBuffer), &outputSize)) {
          throw CompressionError("Failed to get next output buffer from output stream.");
        }
        outputPosition = 0;
      }
      header[i] = outputBuffer + outputPosition;
      ++outputPosition;
    }
  }

  /**
   * Streaming compression base class