diff options
Diffstat (limited to 'calendar/timeutil.c')
| -rw-r--r-- | calendar/timeutil.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/calendar/timeutil.c b/calendar/timeutil.c index c27a8dbd45..03d9465daa 100644 --- a/calendar/timeutil.c +++ b/calendar/timeutil.c @@ -89,6 +89,21 @@ format_simple_hour (int hour, int use_am_pm) } time_t +time_add_minutes (time_t time, int minutes) +{ + struct tm *tm = localtime (&time); + time_t new_time; + + tm->tm_min += minutes; + if ((new_time = mktime (tm)) == -1){ + g_warning ("mktime could not handling adding a day with\n"); + print_time_t (time); + return time; + } + return new_time; +} + +time_t time_add_day (time_t time, int days) { struct tm *tm = localtime (&time); @@ -104,14 +119,24 @@ time_add_day (time_t time, int days) } time_t -time_add_minutes (time_t time, int minutes) +time_add_week (time_t time, int weeks) +{ + return time_add_day (time, weeks * 7); +} + +time_t +time_add_month (time_t time, int months) { struct tm *tm = localtime (&time); time_t new_time; - tm->tm_min += minutes; + /* FIXME: this will not work correctly when switching, say, from a 31-day month to a 30-day + * month. Figure out the number of days in the month and go to the nearest "limit" day. + */ + + tm->tm_mon += months; if ((new_time = mktime (tm)) == -1){ - g_warning ("mktime could not handling adding a day with\n"); + g_warning ("mktime could not handling adding a month with\n"); print_time_t (time); return time; } |