diff options
Diffstat (limited to 'src/date_func.h')
| -rw-r--r-- | src/date_func.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/date_func.h b/src/date_func.h index d196fdb52..8c484b2c4 100644 --- a/src/date_func.h +++ b/src/date_func.h @@ -16,4 +16,9 @@ void SetDate(Date date); void ConvertDateToYMD(Date date, YearMonthDay *ymd); Date ConvertYMDToDate(Year year, Month month, Day day); +static inline bool IsLeapYear(Year yr) +{ + return yr % 4 == 0 && (yr % 100 != 0 || yr % 400 == 0); +} + #endif /* DATE_FUNC_H */ |