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Diffstat (limited to 'include/mailutils/datetime.h')
| -rw-r--r-- | include/mailutils/datetime.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/mailutils/datetime.h b/include/mailutils/datetime.h index 0ad84b595..de00618a0 100644 --- a/include/mailutils/datetime.h +++ b/include/mailutils/datetime.h @@ -24,6 +24,29 @@ /* ----------------------- */ /* Date & time functions */ /* ----------------------- */ + +/* Argument ranges: + + year != 0, AD if > 0, BC if < 0 + 1 <= month <= 12 + 1 <= day <= maxday(month) +*/ +/* Compute Julian Day for the given date */ +int mu_datetime_julianday (int year, int month, int day); +/* Compute day of week (Sunday - 0) */ +int mu_datetime_dayofweek (int year, int month, int day); +/* Compute ordinal date (1-based) */ +int mu_datetime_dayofyear (int year, int month, int day); +/* Return number of days in the year */ +int mu_datetime_year_days (int year); + +/* Day of week and month names in C locale */ +extern const char *_mu_datetime_short_month[]; +extern const char *_mu_datetime_full_month[]; +extern const char *_mu_datetime_short_wday[]; +extern const char *_mu_datetime_full_wday[]; + + struct mu_timezone { int utc_offset; /* Seconds east of UTC. */ |