calendar.c

/*-
 * SPDX-License-Identifier: CC0-1.0
 *
 * Written in 2022 by Alfonso Sabato Siciliano.
 * To the extent possible under law, the author has dedicated all copyright
 * and related and neighboring rights to this software to the public domain
 * worldwide. This software is distributed without any warranty, see:
 *   <http://creativecommons.org/publicdomain/zero/1.0/>.
 */

#include <bsddialog.h>
#include <stdio.h>
#include <time.h>

int main()
{
	int output;
	unsigned int yy, mm, dd;
	struct bsddialog_conf conf;
	time_t cal;
	struct tm *localtm;

	time(&cal);
	localtm = localtime(&cal);
	yy = localtm->tm_year + 1900;
	mm = localtm->tm_mon + 1;
	dd = localtm->tm_mday;

	if (bsddialog_init() == BSDDIALOG_ERROR) {
		printf("Error: %s\n", bsddialog_geterror());
		return (1);
	}
	bsddialog_initconf(&conf);
	conf.title = "calendar";
	output = bsddialog_calendar(&conf, "Example", 18, 40, &yy, &mm, &dd);
	bsddialog_end();
	if (output == BSDDIALOG_ERROR) {
		printf("Error: %s\n", bsddialog_geterror());
		return (1);
	}

	printf("Date: %u/%u/%u\n", yy, mm, dd);

	return (0);
}