Initial revision
This commit is contained in:
Frederic Culot
227
src/calendar.c
Executable file
227
src/calendar.c
Executable file
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/* $calcurse: calendar.c,v 1.1 2006/07/31 21:00:02 culot Exp $ */
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/*
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* Calcurse - text-based organizer
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* Copyright (c) 2004-2006 Frederic Culot
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Send your feedback or comments to : calcurse@culot.org
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* Calcurse home page : http://culot.org/calcurse
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*
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*/
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#include <ncurses.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <time.h>
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#include "i18n.h"
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#include "day.h"
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#include "apoint.h"
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#include "event.h"
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#include "calendar.h"
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#include "custom.h"
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#include "vars.h"
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#include "utils.h"
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static unsigned months_to_days(unsigned);
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static long years_to_days(unsigned);
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/* Load the calendar */
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void
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update_cal_panel(WINDOW *cwin, int nl_cal,
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int nc_cal, int sel_month, int sel_year, int sel_day,
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int day, int month, int year,
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bool monday_first)
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{
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int c_day, c_day_1, day_1_sav, numdays, j;
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unsigned yr, mo;
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int ofs_x, ofs_y;
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int item_this_day = 0;
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int title_lines = 3;
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int sunday_first = 0;
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// Inits
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erase_window_part(cwin, 1, title_lines, nc_cal - 2, nl_cal - 2);
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mo = sel_month;
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yr = sel_year;
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if (!monday_first) sunday_first = 1;
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// Offset for centering calendar in window
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ofs_y = 2 + (nl_cal - 9) / 2;
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ofs_x = (nc_cal - 27) / 2;
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//checking the number of days in february
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numdays = days[mo - 1];
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if (2 == mo && isBissextile(yr))
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++numdays;
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//the first calendar day will be monday or sunday, depending on the
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//value of week_begins_on_monday
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c_day_1 = (int) ((ymd_to_scalar(yr, mo, 1 + sunday_first)
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- (long) 1) % 7L);
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//Write the current month and year on top of the calendar
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custom_apply_attr(cwin, ATTR_HIGH);
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mvwprintw(cwin, ofs_y,
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(nc_cal - (strlen(_(monthnames[mo - 1])) + 5)) / 2,
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"%s %d", _(monthnames[mo - 1]), sel_year);
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custom_remove_attr(cwin, ATTR_HIGH);
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++ofs_y;
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//prints the days, with regards to the first day of the week
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custom_apply_attr(cwin, ATTR_HIGH);
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for (j = 0; j < 7; j++) {
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mvwprintw(cwin, ofs_y, ofs_x + 4 * j, "%s",
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_(daynames[1 + j - sunday_first]));
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}
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custom_remove_attr(cwin, ATTR_HIGH);
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day_1_sav = (c_day_1 + 1) * 3 + c_day_1 - 7;
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for (c_day = 1; c_day <= numdays; ++c_day, ++c_day_1, c_day_1 %= 7) {
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//check if the day contains an event or an appointment
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item_this_day = day_check_if_item(sel_year, sel_month, c_day);
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/* Go to next line, the week is over. */
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if (!c_day_1 && 1 != c_day) {
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++ofs_y;
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ofs_x = 2 - day_1_sav - 4 * c_day - 1;
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}
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/* This is today, so print it in yellow. */
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if (c_day == day && month == sel_month
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&& year == sel_year && day != sel_day)
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{
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custom_apply_attr(cwin, ATTR_LOWEST);
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mvwprintw(cwin, ofs_y + 1,
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ofs_x + day_1_sav + 4 * c_day + 1, "%2d",
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c_day);
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custom_remove_attr(cwin, ATTR_LOWEST);
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} else if (c_day == sel_day && ( (day != sel_day) |
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(month != sel_month) | (year != sel_year) ))
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/* This is the selected day, print it in red. */
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{
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custom_apply_attr(cwin, ATTR_MIDDLE);
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mvwprintw(cwin, ofs_y + 1,
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ofs_x + day_1_sav + 4 * c_day + 1, "%2d",
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c_day);
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custom_remove_attr(cwin, ATTR_MIDDLE);
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} else if (c_day == sel_day && day == sel_day && month == sel_month && year == sel_year) //today is the selected day
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{
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custom_apply_attr(cwin, ATTR_MIDDLE);
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mvwprintw(cwin, ofs_y + 1,
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ofs_x + day_1_sav + 4 * c_day + 1, "%2d",
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c_day);
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custom_remove_attr(cwin, ATTR_MIDDLE);
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} else if (item_this_day) {
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custom_apply_attr(cwin, ATTR_LOW);
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mvwprintw(cwin, ofs_y + 1,
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ofs_x + day_1_sav + 4 * c_day + 1, "%2d",
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c_day);
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custom_remove_attr(cwin, ATTR_LOW);
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}
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else // otherwise, print normal days in black
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mvwprintw(cwin, ofs_y + 1,
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ofs_x + day_1_sav + 4 * c_day + 1, "%2d",
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c_day);
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}
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wnoutrefresh(cwin);
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}
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int isBissextile(unsigned annee)
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{
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return annee % 400 == 0 || (annee % 4 == 0 && annee % 100 != 0);
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}
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// convertion functions
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unsigned months_to_days(unsigned mois)
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{
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return (mois * 3057 - 3007) / 100;
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}
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long years_to_days(unsigned annee)
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{
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return annee * 365L + annee / 4 - annee / 100 + annee / 400;
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}
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long ymd_to_scalar(unsigned annee, unsigned mois, unsigned jour)
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{
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long scalaire;
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scalaire = jour + months_to_days(mois);
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if (mois > 2)
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scalaire -= isBissextile(annee) ? 1 : 2;
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annee--;
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scalaire += years_to_days(annee);
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return scalaire;
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}
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/*
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* Ask for a date to jump to, then check the correctness of that date
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* and jump to it.
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* If the entered date is empty, automatically jump to the current date.
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* day, month, year are the current day given to that routine, and
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* sel_day, sel_month and sel_year represent the day given back.
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*/
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void
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goto_day(int colr, int day, int month, int year,
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int *sel_day, int *sel_month, int *sel_year)
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{
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char selected_day[50] = "";
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int dday, dmonth, dyear;
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int wrong_day = 0;
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char *mesg_line1 = _("The day you entered is not valid");
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char *mesg_line2 = _("Press [ENTER] to continue");
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char *request_date = _("Enter the day to go to [ENTER for today] : dd/mm/yyyy");
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while (wrong_day != 1) {
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status_mesg(request_date, "");
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getstring(swin, colr, selected_day, 0, 1);
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if (strlen(selected_day) == 0) // go to today
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{
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*sel_day = day;
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*sel_month = month;
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*sel_year = year;
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break;
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} else {
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sscanf(selected_day, "%u/%u/%u", &dday, &dmonth,
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&dyear);
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//check if the entered day is correct
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if ((dday <= 0) | (dday >= 32))
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wrong_day = 1;
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if ((dmonth <= 0) | (dmonth >= 13))
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wrong_day = 1;
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if ((dyear <= 0) | (dyear >= 3000))
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wrong_day = 1;
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//go to chosen day
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if (wrong_day != 1) {
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*sel_day = dday;
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*sel_month = dmonth;
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*sel_year = dyear;
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} else {
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status_mesg(mesg_line1, mesg_line2);
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wgetch(swin);
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}
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break;
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}
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}
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return;
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}
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