Method openForRead

muduo/base/GzipFile.h:60–63

  // int flush(int f) { return ::gzflush(file_, f); }

  static GzipFile openForRead(StringArg filename)
  {
    return GzipFile(::gzopen(filename.c_str(), "rbe"));
  }

  static GzipFile openForAppend(StringArg filename)
  {