Method close

src/openms/source/FORMAT/GzipIfstream.cpp:114–122

  }

  void GzipIfstream::close()
  {
    if (gzfile_ != nullptr)
    {
      gzclose(gzfile_);
    }
    gzfile_ = nullptr;
    stream_at_end_ = true;
  }

/*
     void GzipIfstream::updateCRC32(const char* s, const size_t n)