diff --git a/usr.bin/calendar/calendar.c b/usr.bin/calendar/calendar.c index 476c0495d218..2e3baee7d57f 100644 --- a/usr.bin/calendar/calendar.c +++ b/usr.bin/calendar/calendar.c @@ -1,257 +1,257 @@ /*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1989, 1993, 1994 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef lint static const char copyright[] = "@(#) Copyright (c) 1989, 1993\n\ The Regents of the University of California. All rights reserved.\n"; #endif #if 0 #ifndef lint static char sccsid[] = "@(#)calendar.c 8.3 (Berkeley) 3/25/94"; #endif #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include "calendar.h" #define UTCOFFSET_NOTSET 100 /* Expected between -24 and +24 */ #define LONGITUDE_NOTSET 1000 /* Expected between -360 and +360 */ struct passwd *pw; int doall = 0; int debug = 0; static char *DEBUG = NULL; static time_t f_time = 0; double UTCOffset = UTCOFFSET_NOTSET; int EastLongitude = LONGITUDE_NOTSET; #ifdef WITH_ICONV const char *outputEncoding = NULL; #endif static void usage(void) __dead2; int main(int argc, char *argv[]) { int f_dayAfter = 0; /* days after current date */ int f_dayBefore = 0; /* days before current date */ int Friday = 5; /* day before weekend */ int ch; struct tm tp1, tp2; (void)setlocale(LC_ALL, ""); while ((ch = getopt(argc, argv, "-A:aB:D:dF:f:l:t:U:W:?")) != -1) switch (ch) { case '-': /* backward contemptible */ case 'a': if (getuid()) { errno = EPERM; err(1, NULL); } doall = 1; break; case 'W': /* we don't need no steenking Fridays */ Friday = -1; /* FALLTHROUGH */ case 'A': /* days after current date */ f_dayAfter = atoi(optarg); if (f_dayAfter < 0) errx(1, "number of days must be positive"); break; case 'B': /* days before current date */ f_dayBefore = atoi(optarg); if (f_dayBefore < 0) errx(1, "number of days must be positive"); break; case 'D': /* debug output of sun and moon info */ DEBUG = optarg; break; case 'd': /* debug output of current date */ debug = 1; break; case 'F': /* Change the time: When does weekend start? */ Friday = atoi(optarg); break; case 'f': /* other calendar file */ calendarFile = optarg; break; case 'l': /* Change longitudal position */ EastLongitude = strtol(optarg, NULL, 10); break; case 't': /* other date, for tests */ f_time = Mktime(optarg); break; case 'U': /* Change UTC offset */ UTCOffset = strtod(optarg, NULL); break; case '?': default: usage(); } argc -= optind; argv += optind; if (argc) usage(); /* use current time */ if (f_time <= 0) (void)time(&f_time); /* if not set, determine where I could be */ { if (UTCOffset == UTCOFFSET_NOTSET && EastLongitude == LONGITUDE_NOTSET) { /* Calculate on difference between here and UTC */ time_t t; struct tm tm; long utcoffset, hh, mm, ss; double uo; time(&t); localtime_r(&t, &tm); utcoffset = tm.tm_gmtoff; /* seconds -> hh:mm:ss */ hh = utcoffset / SECSPERHOUR; utcoffset %= SECSPERHOUR; mm = utcoffset / SECSPERMINUTE; utcoffset %= SECSPERMINUTE; ss = utcoffset; /* hh:mm:ss -> hh.mmss */ uo = mm + (100.0 * (ss / 60.0)); uo /= 60.0 / 100.0; uo = hh + uo / 100; UTCOffset = uo; EastLongitude = UTCOffset * 15; } else if (UTCOffset == UTCOFFSET_NOTSET) { /* Base on information given */ UTCOffset = EastLongitude / 15; } else if (EastLongitude == LONGITUDE_NOTSET) { /* Base on information given */ EastLongitude = UTCOffset * 15; } } settimes(f_time, f_dayBefore, f_dayAfter, Friday, &tp1, &tp2); generatedates(&tp1, &tp2); /* * FROM now on, we are working in UTC. * This will only affect moon and sun related events anyway. */ if (setenv("TZ", "UTC", 1) != 0) errx(1, "setenv: %s", strerror(errno)); tzset(); if (debug) dumpdates(); if (DEBUG != NULL) { dodebug(DEBUG); exit(0); } if (doall) while ((pw = getpwent()) != NULL) { pid_t pid; if (chdir(pw->pw_dir) == -1) continue; pid = fork(); if (pid < 0) err(1, "fork"); if (pid == 0) { login_cap_t *lc; lc = login_getpwclass(pw); if (setusercontext(lc, pw, pw->pw_uid, - LOGIN_SETALL) != 0) + LOGIN_SETALL & ~LOGIN_SETLOGIN) != 0) errx(1, "setusercontext"); setenv("HOME", pw->pw_dir, 1); cal(); exit(0); } } else { #ifdef WITH_ICONV /* Save the information about the encoding used in the terminal. */ outputEncoding = strdup(nl_langinfo(CODESET)); if (outputEncoding == NULL) errx(1, "cannot allocate memory"); #endif cal(); } exit(0); } static void __dead2 usage(void) { fprintf(stderr, "%s\n%s\n%s\n", "usage: calendar [-A days] [-a] [-B days] [-D sun|moon] [-d]", " [-F friday] [-f calendarfile] [-l longitude]", " [-t dd[.mm[.year]]] [-U utcoffset] [-W days]" ); exit(1); }