87 static int month_days(int yy, int mm)  in month_days()  argument
92 		days = ISLEAP(yy) ? 29 : 28;  in month_days()
101 static int week_day(int yy, int mm, int dd)  in week_day()  argument
105 	dd += mm < 3 ? yy-- : yy - 2;  in week_day()
106 	wd = 23*mm/9 + dd + 4 + yy/4 - yy/100 + yy/400;  in week_day()
113 init_date(unsigned int *year, unsigned int *month, unsigned int *day, int *yy,  in init_date()  argument
116 	*yy = MIN(*year, (unsigned int)maxyear);  in init_date()
117 	if (*yy < minyear)  in init_date()
118 		*yy = minyear;  in init_date()
123 	if (*dd > month_days(*yy, *mm))  in init_date()
124 		*dd = month_days(*yy, *mm);  in init_date()
127 static void datectl(enum operation op, int *yy, int *mm, int *dd)  in datectl()  argument
131 	ndays = month_days(*yy, *mm);  in datectl()
139 				*yy -= 1;  in datectl()
143 			ndays = month_days(*yy, *mm);  in datectl()
152 				*yy += 1;  in datectl()
164 				*yy -= 1;  in datectl()
168 			*dd = month_days(*yy, *mm);  in datectl()
176 				*yy += 1;  in datectl()
186 			*yy -= 1;  in datectl()
189 		ndays = month_days(*yy, *mm);  in datectl()
196 			*yy += 1;  in datectl()
199 		ndays = month_days(*yy, *mm);  in datectl()
204 		*yy -= 1;  in datectl()
205 		ndays = month_days(*yy, *mm);  in datectl()
210 		*yy += 1;  in datectl()
211 		ndays = month_days(*yy, *mm);  in datectl()
217 	if (*yy < minyear) {  in datectl()
218 		*yy = minyear;  in datectl()
222 	if (*yy > maxyear) {  in datectl()
223 		*yy = maxyear;  in datectl()
258 print_calendar(struct bsddialog_conf *conf, WINDOW *win, int yy, int mm, int dd,  in print_calendar()  argument
276 	ndays = month_days(yy, mm);  in print_calendar()
278 	wd = week_day(yy, mm, 1);  in print_calendar()
333 	int retval, sel, yy, mm, dd;  in bsddialog_calendar()  local
343 	init_date(year, month, day, &yy, &mm, &dd);  in bsddialog_calendar()
349 		RETURN_ERROR("Cannot build WINDOW for yy");  in bsddialog_calendar()
364 		drawsquare(conf, yy_win, RAISED, "%15d", yy, sel == 1);  in bsddialog_calendar()
365 		print_calendar(conf, dd_win, yy, mm, dd, sel == 2);  in bsddialog_calendar()
414 				datectl(RIGHT_DAY, &yy, &mm, &dd);  in bsddialog_calendar()
431 				datectl(LEFT_DAY, &yy, &mm, &dd);  in bsddialog_calendar()
448 				datectl(UP_MONTH, &yy, &mm, &dd);  in bsddialog_calendar()
450 				datectl(UP_YEAR, &yy, &mm, &dd);  in bsddialog_calendar()
452 				datectl(UP_DAY, &yy, &mm, &dd);  in bsddialog_calendar()
459 				datectl(DOWN_MONTH, &yy, &mm, &dd);  in bsddialog_calendar()
461 				datectl(DOWN_YEAR, &yy, &mm, &dd);  in bsddialog_calendar()
463 				datectl(DOWN_DAY, &yy, &mm, &dd);  in bsddialog_calendar()
470 				datectl(UP_MONTH, &yy, &mm, &dd);  in bsddialog_calendar()
472 				datectl(UP_YEAR, &yy, &mm, &dd);  in bsddialog_calendar()
474 				datectl(LEFT_DAY, &yy, &mm, &dd);  in bsddialog_calendar()
481 				datectl(DOWN_MONTH, &yy, &mm, &dd);  in bsddialog_calendar()
483 				datectl(DOWN_YEAR, &yy, &mm, &dd);  in bsddialog_calendar()
485 				datectl(RIGHT_DAY, &yy, &mm, &dd);  in bsddialog_calendar()
489 			datectl(UP_MONTH, &yy, &mm, &dd);  in bsddialog_calendar()
492 			datectl(DOWN_MONTH, &yy, &mm, &dd);  in bsddialog_calendar()
495 			datectl(UP_YEAR, &yy, &mm, &dd);  in bsddialog_calendar()
498 			datectl(DOWN_YEAR, &yy, &mm, &dd);  in bsddialog_calendar()
524 	*year  = yy;  in bsddialog_calendar()
567 build_dateitem(const char *format, int *yy, int *mm, int *dd,  in build_dateitem()  argument
573 		{UP_YEAR,  DOWN_YEAR,  NULL, 6,  "%4d",  yy},  in build_dateitem()
610 	int retval, i, sel, yy, mm, dd;  in bsddialog_datebox()  local
620 	init_date(year, month, day, &yy, &mm, &dd);  in bsddialog_datebox()
625 	if (build_dateitem(conf->date.format, &yy, &mm, &dd, di) != 0)  in bsddialog_datebox()
695 				datectl(di[sel].up, &yy, &mm, &dd);  in bsddialog_datebox()
704 				datectl(di[sel].up, &yy, &mm, &dd);  in bsddialog_datebox()
711 			datectl(di[sel].down, &yy, &mm, &dd);  in bsddialog_datebox()
737 	*year  = yy;  in bsddialog_datebox()