Method ToString

be/src/gutil/strings/human_readable.cc:114–139

}

string HumanReadableNumBytes::ToString(int64 num_bytes) {
  if (num_bytes == kint64min) {
    // Special case for number with not representable nagation.
    return "-8E";
  }

  const char *neg_str = GetNegStr(&num_bytes);

  // Special case for bytes.
  if (num_bytes < GG_LONGLONG(1024)) {
    // No fractions for bytes.
    return StringPrintf("%s%" PRId64 "B", neg_str, num_bytes);
  }

  static const char units[] = "KMGTPE";  // int64 only goes up to E.
  const char* unit = units;
  while (num_bytes >= GG_LONGLONG(1024) * GG_LONGLONG(1024)) {
    num_bytes /= GG_LONGLONG(1024);
    ++unit;
    CHECK(unit < units + arraysize(units));
  }

  return StringPrintf(((*unit == 'K')
                       ? "%s%.1f%c"
                       : "%s%.2f%c"), neg_str, num_bytes / 1024.0, *unit);
}

string HumanReadableNumBytes::ToStringWithoutRounding(int64 num_bytes) {
  if (num_bytes == kint64min) {