2 * Copyright (C) 2012 Andy Spencer <andy753421@gmail.com>
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #define MIN(a,b) ((a) < (b) ? (a) : (b))
23 #define MAX(a,b) ((a) > (b) ? (a) : (b))
24 #define ROUND(x) ((int)((x)+0.5))
25 #define N_ELEMENTS(x) (sizeof(x)/sizeof((x)[0]))
59 int is_leap_year(year_t year);
60 int days_in_year(year_t year);
61 int days_in_month(year_t year, month_t month);
62 int weeks_in_month(year_t year, month_t month);
63 wday_t day_of_week(year_t year, month_t month, day_t day);
64 wday_t start_of_month(year_t year, month_t month);
65 day_t start_of_week(year_t year, month_t month, day_t day);
66 void add_days(year_t *year, month_t *month, day_t *day, int days);
67 void add_months(year_t *year, month_t *month, int months);
69 /* Time to string functions */
70 const char *month_to_str(month_t month);
71 const char *month_to_string(month_t month);
72 const char *day_to_st(wday_t day);
73 const char *day_to_str(wday_t day);
74 const char *day_to_string(wday_t day);