1fd1efedcSConrad Meyer /*- 2fd1efedcSConrad Meyer * SPDX-License-Identifier: BSD-3-Clause 3fd1efedcSConrad Meyer * 4fd1efedcSConrad Meyer * Copyright (c) 1989, 1993, 1994 5fd1efedcSConrad Meyer * The Regents of the University of California. All rights reserved. 6fd1efedcSConrad Meyer * 7fd1efedcSConrad Meyer * Redistribution and use in source and binary forms, with or without 8fd1efedcSConrad Meyer * modification, are permitted provided that the following conditions 9fd1efedcSConrad Meyer * are met: 10fd1efedcSConrad Meyer * 1. Redistributions of source code must retain the above copyright 11fd1efedcSConrad Meyer * notice, this list of conditions and the following disclaimer. 12fd1efedcSConrad Meyer * 2. Redistributions in binary form must reproduce the above copyright 13fd1efedcSConrad Meyer * notice, this list of conditions and the following disclaimer in the 14fd1efedcSConrad Meyer * documentation and/or other materials provided with the distribution. 15fd1efedcSConrad Meyer * 3. Neither the name of the University nor the names of its contributors 16fd1efedcSConrad Meyer * may be used to endorse or promote products derived from this software 17fd1efedcSConrad Meyer * without specific prior written permission. 18fd1efedcSConrad Meyer * 19fd1efedcSConrad Meyer * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20fd1efedcSConrad Meyer * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21fd1efedcSConrad Meyer * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22fd1efedcSConrad Meyer * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23fd1efedcSConrad Meyer * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24fd1efedcSConrad Meyer * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25fd1efedcSConrad Meyer * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26fd1efedcSConrad Meyer * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27fd1efedcSConrad Meyer * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28fd1efedcSConrad Meyer * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29fd1efedcSConrad Meyer * SUCH DAMAGE. 30fd1efedcSConrad Meyer */ 31fd1efedcSConrad Meyer 32fd1efedcSConrad Meyer #include <sys/cdefs.h> 33fd1efedcSConrad Meyer __FBSDID("$FreeBSD$"); 34fd1efedcSConrad Meyer 35fd1efedcSConrad Meyer #include <err.h> 36fd1efedcSConrad Meyer #include <locale.h> 37fd1efedcSConrad Meyer #include <stdio.h> 38fd1efedcSConrad Meyer #include <stdlib.h> 39fd1efedcSConrad Meyer #include <string.h> 40fd1efedcSConrad Meyer #include <time.h> 41fd1efedcSConrad Meyer 42fd1efedcSConrad Meyer #include "calendar.h" 43fd1efedcSConrad Meyer 44fd1efedcSConrad Meyer static time_t time1, time2; 45fd1efedcSConrad Meyer const struct tm tm0; 46fd1efedcSConrad Meyer char dayname[100]; 47fd1efedcSConrad Meyer int year1, year2; 48fd1efedcSConrad Meyer 49fd1efedcSConrad Meyer 50fd1efedcSConrad Meyer void 51fd1efedcSConrad Meyer settimes(time_t now, int before, int after, int friday, struct tm *tp1, struct tm *tp2) 52fd1efedcSConrad Meyer { 53fd1efedcSConrad Meyer struct tm tp; 54fd1efedcSConrad Meyer 55fd1efedcSConrad Meyer localtime_r(&now, &tp); 56fd1efedcSConrad Meyer 57fd1efedcSConrad Meyer /* Friday displays Monday's events */ 58fd1efedcSConrad Meyer if (after == 0 && before == 0 && friday != -1) 59fd1efedcSConrad Meyer after = tp.tm_wday == friday ? 3 : 1; 60fd1efedcSConrad Meyer 61fd1efedcSConrad Meyer time1 = now - SECSPERDAY * before; 62fd1efedcSConrad Meyer localtime_r(&time1, tp1); 63fd1efedcSConrad Meyer year1 = 1900 + tp1->tm_year; 64fd1efedcSConrad Meyer time2 = now + SECSPERDAY * after; 65fd1efedcSConrad Meyer localtime_r(&time2, tp2); 66fd1efedcSConrad Meyer year2 = 1900 + tp2->tm_year; 67fd1efedcSConrad Meyer 68fd1efedcSConrad Meyer strftime(dayname, sizeof(dayname) - 1, "%A, %d %B %Y", tp1); 69fd1efedcSConrad Meyer 70fd1efedcSConrad Meyer setnnames(); 71fd1efedcSConrad Meyer } 72fd1efedcSConrad Meyer 73fd1efedcSConrad Meyer /* convert Day[/Month][/Year] into unix time (since 1970) 74fd1efedcSConrad Meyer * Day: two digits, Month: two digits, Year: digits 75fd1efedcSConrad Meyer */ 76fd1efedcSConrad Meyer time_t 77fd1efedcSConrad Meyer Mktime(char *dp) 78fd1efedcSConrad Meyer { 79fd1efedcSConrad Meyer time_t t; 80fd1efedcSConrad Meyer int d, m, y; 81fd1efedcSConrad Meyer struct tm tm, tp; 82fd1efedcSConrad Meyer 83fd1efedcSConrad Meyer (void)time(&t); 84fd1efedcSConrad Meyer localtime_r(&t, &tp); 85fd1efedcSConrad Meyer 86fd1efedcSConrad Meyer tm = tm0; 87fd1efedcSConrad Meyer tm.tm_mday = tp.tm_mday; 88fd1efedcSConrad Meyer tm.tm_mon = tp.tm_mon; 89fd1efedcSConrad Meyer tm.tm_year = tp.tm_year; 90fd1efedcSConrad Meyer 91fd1efedcSConrad Meyer switch (sscanf(dp, "%d.%d.%d", &d, &m, &y)) { 92fd1efedcSConrad Meyer case 3: 93fd1efedcSConrad Meyer if (y > 1900) 94fd1efedcSConrad Meyer y -= 1900; 95fd1efedcSConrad Meyer tm.tm_year = y; 96fd1efedcSConrad Meyer /* FALLTHROUGH */ 97fd1efedcSConrad Meyer case 2: 98fd1efedcSConrad Meyer tm.tm_mon = m - 1; 99fd1efedcSConrad Meyer /* FALLTHROUGH */ 100fd1efedcSConrad Meyer case 1: 101fd1efedcSConrad Meyer tm.tm_mday = d; 102fd1efedcSConrad Meyer } 103fd1efedcSConrad Meyer 104fd1efedcSConrad Meyer #ifdef DEBUG 105fd1efedcSConrad Meyer fprintf(stderr, "Mktime: %d %d %s\n", 106fd1efedcSConrad Meyer (int)mktime(&tm), (int)t, asctime(&tm)); 107fd1efedcSConrad Meyer #endif 108fd1efedcSConrad Meyer return (mktime(&tm)); 109fd1efedcSConrad Meyer } 110