Method write

extlibs/fmt/src/os.cc:240–245

}

std::size_t file::write(const void* buffer, std::size_t count) {
  RWResult result = 0;
  FMT_RETRY(result, FMT_POSIX_CALL(write(fd_, buffer, convert_rwcount(count))));
  if (result < 0) FMT_THROW(system_error(errno, "cannot write to file"));
  return internal::to_unsigned(result);
}

file file::dup(int fd) {
  // Don't retry as dup doesn't return EINTR.