Function format_duration

src/ccache/util/string.cpp:177–205

}

std::string
format_duration(std::chrono::milliseconds ms)
{
  const auto ms_count = ms.count();

  if (ms_count == 0) {
    return "0s";
  }

  // Try to express in the largest unit that divides evenly.
  constexpr int64_t ms_per_day = 24 * 60 * 60 * 1000;
  constexpr int64_t ms_per_hour = 60 * 60 * 1000;
  constexpr int64_t ms_per_minute = 60 * 1000;
  constexpr int64_t ms_per_second = 1000;

  if (ms_count % ms_per_day == 0) {
    return FMT("{}d", ms_count / ms_per_day);
  }
  if (ms_count % ms_per_hour == 0) {
    return FMT("{}h", ms_count / ms_per_hour);
  }
  if (ms_count % ms_per_minute == 0) {
    return FMT("{}m", ms_count / ms_per_minute);
  }
  if (ms_count % ms_per_second == 0) {
    return FMT("{}s", ms_count / ms_per_second);
  }
  return FMT("{}ms", ms_count);
}

std::string
format_human_readable_diff(int64_t diff, SizeUnitPrefixType prefix_type)