Method read

extlibs/fmt/src/os.cc:233–238

}

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

std::size_t file::write(const void* buffer, std::size_t count) {
  RWResult result = 0;