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LibCore: Use is_leap_year more in DateTime

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Nico Weber 2020-08-25 19:35:48 -04:00 • committed by Andreas Kling
parent 4dfe97f9ae
commit dcb81fc199
1 changed files with 1 additions and 1 deletions
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Libraries/LibCore/DateTime.cpp
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@ -221,7 +221,7 @@ String DateTime::to_string(const String& format) const
if (tm.tm_yday >= 7 - wday_of_year_beginning)
--week_number;
else {
const bool last_year_is_leap = ((tm.tm_year + 1900 - 1) % 4 == 0 && (tm.tm_year + 1900 - 1) % 100 != 0) || (tm.tm_year + 1900 - 1) % 400 == 0;
const bool last_year_is_leap = ::is_leap_year(tm.tm_year + 1900 - 1);
const int days_of_last_year = 365 + last_year_is_leap;
const int wday_of_last_year_beginning = (wday_of_year_beginning + 6 * days_of_last_year) % 7;
week_number = (days_of_last_year + wday_of_last_year_beginning) / 7 + 1;