void CSVWriter::write_cell()

in astra-sim-alibabacloud/astra-sim/workload/CSVWriter.cc [136:192]

• 49 lines of code
• 13 McCabe index (conditional complexity)

void CSVWriter::write_cell(int row, int column, std::string data) {

  std::string str = "";
  std::string tmp;

  int status = 1;
  int fildes = -1;
  do {
    fildes = open((path + name).c_str(), O_RDWR);
  } while (fildes == -1);

  do {
    status = lockf(fildes, F_TLOCK, (off_t)1000000);
  } while (status != 0);
  char buf[1];
  while (row > 0) {
    status = read(fildes, buf, 1);
    str = str + (*buf);
    if (*buf == '\n') {
      row--;
    }
  }
  while (column > 0) {
    status = read(fildes, buf, 1);
    str = str + (*buf);
    if (*buf == ',') {
      column--;
    }
    if (*buf == '\n') {
      std::cerr << "fatal error in inserting cewll!" << std::endl;
      exit(1);
    }
  }
  str = str + data;
  while (read(fildes, buf, 1)) {
    str = str + (*buf);
  }

  do {
    lseek(fildes, 0, SEEK_SET);
    status = write(fildes, str.c_str(), str.length());
  } while (status != str.length());

  do {
    status = lseek(fildes, 0, SEEK_SET);
  } while (status == -1);

  do {
    status = lockf(fildes, F_ULOCK, (off_t)1000000);
  } while (status != 0);

  do {
    status = close(fildes);
  } while (status == -1);

  return;
}