17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 23*80868c53Srobbin * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 287c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #ifndef _TZFILE_H 317c478bd9Sstevel@tonic-gate #define _TZFILE_H 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 347c478bd9Sstevel@tonic-gate 357c478bd9Sstevel@tonic-gate /* 367c478bd9Sstevel@tonic-gate * A part of this file comes from public domain source, so 377c478bd9Sstevel@tonic-gate * clarified as of June 5, 1996 by Arthur David Olson 387c478bd9Sstevel@tonic-gate * (arthur_david_olson@nih.gov). 397c478bd9Sstevel@tonic-gate */ 407c478bd9Sstevel@tonic-gate 417c478bd9Sstevel@tonic-gate #include <sys/types.h> 427c478bd9Sstevel@tonic-gate 437c478bd9Sstevel@tonic-gate /* 447c478bd9Sstevel@tonic-gate * WARNING: 457c478bd9Sstevel@tonic-gate * The interfaces defined in this header file are for Sun private use only. 467c478bd9Sstevel@tonic-gate * The contents of this file are subject to change without notice for the 477c478bd9Sstevel@tonic-gate * future releases. 487c478bd9Sstevel@tonic-gate */ 497c478bd9Sstevel@tonic-gate 507c478bd9Sstevel@tonic-gate /* For further information, see ctime(3C) and zic(1M) man pages. */ 517c478bd9Sstevel@tonic-gate 527c478bd9Sstevel@tonic-gate /* 537c478bd9Sstevel@tonic-gate * This file is in the public domain, so clarified as of 547c478bd9Sstevel@tonic-gate * June 5, 1996 by Arthur David Olson (arthur_david_olson@nih.gov). 557c478bd9Sstevel@tonic-gate */ 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate /* 587c478bd9Sstevel@tonic-gate * This header is for use ONLY with the time conversion code. 597c478bd9Sstevel@tonic-gate * There is no guarantee that it will remain unchanged, 607c478bd9Sstevel@tonic-gate * or that it will remain at all. 617c478bd9Sstevel@tonic-gate * Do NOT copy it to any system include directory. 627c478bd9Sstevel@tonic-gate * Thank you! 637c478bd9Sstevel@tonic-gate */ 647c478bd9Sstevel@tonic-gate 65*80868c53Srobbin /* static char tzfilehid[] = "@(#)tzfile.h 7.17"; */ 66*80868c53Srobbin 677c478bd9Sstevel@tonic-gate /* 687c478bd9Sstevel@tonic-gate * Note: Despite warnings from the authors of this code, Solaris has 697c478bd9Sstevel@tonic-gate * placed this header file in the system include directory. This was 707c478bd9Sstevel@tonic-gate * probably done in order to build both zic and zdump which are in 717c478bd9Sstevel@tonic-gate * separate source directories, but both use this file. 727c478bd9Sstevel@tonic-gate */ 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate #ifdef __cplusplus 757c478bd9Sstevel@tonic-gate extern "C" { 767c478bd9Sstevel@tonic-gate #endif 777c478bd9Sstevel@tonic-gate 787c478bd9Sstevel@tonic-gate /* 797c478bd9Sstevel@tonic-gate * Information about time zone files. 807c478bd9Sstevel@tonic-gate */ 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate #ifndef TZDIR 837c478bd9Sstevel@tonic-gate #define TZDIR "/usr/share/lib/zoneinfo" /* Time zone object file directory */ 847c478bd9Sstevel@tonic-gate #endif /* !defined TZDIR */ 857c478bd9Sstevel@tonic-gate 867c478bd9Sstevel@tonic-gate #ifndef TZDEFAULT 877c478bd9Sstevel@tonic-gate #define TZDEFAULT "localtime" 887c478bd9Sstevel@tonic-gate #endif /* !defined TZDEFAULT */ 897c478bd9Sstevel@tonic-gate 907c478bd9Sstevel@tonic-gate #ifndef TZDEFRULES 917c478bd9Sstevel@tonic-gate #define TZDEFRULES "posixrules" 927c478bd9Sstevel@tonic-gate #endif /* !defined TZDEFRULES */ 937c478bd9Sstevel@tonic-gate 947c478bd9Sstevel@tonic-gate /* 957c478bd9Sstevel@tonic-gate * Each file begins with. . . 967c478bd9Sstevel@tonic-gate */ 977c478bd9Sstevel@tonic-gate 987c478bd9Sstevel@tonic-gate #define TZ_MAGIC "TZif" 997c478bd9Sstevel@tonic-gate 1007c478bd9Sstevel@tonic-gate struct tzhead { 1017c478bd9Sstevel@tonic-gate char tzh_magic[4]; /* TZ_MAGIC */ 1027c478bd9Sstevel@tonic-gate char tzh_reserved[16]; /* reserved for future use */ 1037c478bd9Sstevel@tonic-gate char tzh_ttisgmtcnt[4]; /* coded number of trans. time flags */ 1047c478bd9Sstevel@tonic-gate char tzh_ttisstdcnt[4]; /* coded number of trans. time flags */ 1057c478bd9Sstevel@tonic-gate char tzh_leapcnt[4]; /* coded number of leap seconds */ 1067c478bd9Sstevel@tonic-gate char tzh_timecnt[4]; /* coded number of transition times */ 1077c478bd9Sstevel@tonic-gate char tzh_typecnt[4]; /* coded number of local time types */ 1087c478bd9Sstevel@tonic-gate char tzh_charcnt[4]; /* coded number of abbr. chars */ 1097c478bd9Sstevel@tonic-gate }; 1107c478bd9Sstevel@tonic-gate 1117c478bd9Sstevel@tonic-gate /* 1127c478bd9Sstevel@tonic-gate * . . .followed by. . . 1137c478bd9Sstevel@tonic-gate * 1147c478bd9Sstevel@tonic-gate * tzh_timecnt (char [4])s coded transition times a la time(2) 1157c478bd9Sstevel@tonic-gate * tzh_timecnt (unsigned char)s types of local time starting at above 1167c478bd9Sstevel@tonic-gate * tzh_typecnt repetitions of 1177c478bd9Sstevel@tonic-gate * one (char [4]) coded UTC offset in seconds 1187c478bd9Sstevel@tonic-gate * one (unsigned char) used to set tm_isdst 1197c478bd9Sstevel@tonic-gate * one (unsigned char) that's an abbreviation list index 1207c478bd9Sstevel@tonic-gate * tzh_charcnt (char)s '\0'-terminated zone abbreviations 1217c478bd9Sstevel@tonic-gate * tzh_leapcnt repetitions of 1227c478bd9Sstevel@tonic-gate * one (char [4]) coded leap second transition times 1237c478bd9Sstevel@tonic-gate * one (char [4]) total correction after above 1247c478bd9Sstevel@tonic-gate * tzh_ttisstdcnt (char)s indexed by type; if TRUE, transition 1257c478bd9Sstevel@tonic-gate * time is standard time, if FALSE, 1267c478bd9Sstevel@tonic-gate * transition time is wall clock time 1277c478bd9Sstevel@tonic-gate * if absent, transition times are 1287c478bd9Sstevel@tonic-gate * assumed to be wall clock time 1297c478bd9Sstevel@tonic-gate * tzh_ttisgmtcnt (char)s indexed by type; if TRUE, transition 1307c478bd9Sstevel@tonic-gate * time is UTC, if FALSE, 1317c478bd9Sstevel@tonic-gate * transition time is local time 1327c478bd9Sstevel@tonic-gate * if absent, transition times are 1337c478bd9Sstevel@tonic-gate * assumed to be local time 1347c478bd9Sstevel@tonic-gate */ 1357c478bd9Sstevel@tonic-gate 1367c478bd9Sstevel@tonic-gate /* 1377c478bd9Sstevel@tonic-gate * In the current implementation, "tzset()" refuses to deal with files that 1387c478bd9Sstevel@tonic-gate * exceed any of the limits below. 1397c478bd9Sstevel@tonic-gate */ 1407c478bd9Sstevel@tonic-gate 1417c478bd9Sstevel@tonic-gate #ifndef TZ_MAX_TIMES 1427c478bd9Sstevel@tonic-gate /* 1437c478bd9Sstevel@tonic-gate * The TZ_MAX_TIMES value below is enough to handle a bit more than a 1447c478bd9Sstevel@tonic-gate * year's worth of solar time (corrected daily to the nearest second) or 1457c478bd9Sstevel@tonic-gate * 138 years of Pacific Presidential Election time 1467c478bd9Sstevel@tonic-gate * (where there are three time zone transitions every fourth year). 1477c478bd9Sstevel@tonic-gate */ 1487c478bd9Sstevel@tonic-gate #define TZ_MAX_TIMES 370 1497c478bd9Sstevel@tonic-gate #endif /* !defined TZ_MAX_TIMES */ 1507c478bd9Sstevel@tonic-gate 1517c478bd9Sstevel@tonic-gate #ifndef TZ_MAX_TYPES 1527c478bd9Sstevel@tonic-gate #ifndef NOSOLAR 1537c478bd9Sstevel@tonic-gate #define TZ_MAX_TYPES 256 /* Limited by what (unsigned char)'s can hold */ 1547c478bd9Sstevel@tonic-gate #endif /* !defined NOSOLAR */ 1557c478bd9Sstevel@tonic-gate #ifdef NOSOLAR 1567c478bd9Sstevel@tonic-gate /* 1577c478bd9Sstevel@tonic-gate * Must be at least 14 for Europe/Riga as of Jan 12 1995, 1587c478bd9Sstevel@tonic-gate * as noted by Earl Chew <earl@hpato.aus.hp.com>. 1597c478bd9Sstevel@tonic-gate */ 1607c478bd9Sstevel@tonic-gate #define TZ_MAX_TYPES 20 /* Maximum number of local time types */ 1617c478bd9Sstevel@tonic-gate #endif /* !defined NOSOLAR */ 1627c478bd9Sstevel@tonic-gate #endif /* !defined TZ_MAX_TYPES */ 1637c478bd9Sstevel@tonic-gate 1647c478bd9Sstevel@tonic-gate #ifndef TZ_MAX_CHARS 1657c478bd9Sstevel@tonic-gate #define TZ_MAX_CHARS 50 /* Maximum number of abbreviation characters */ 1667c478bd9Sstevel@tonic-gate /* (limited by what unsigned chars can hold) */ 1677c478bd9Sstevel@tonic-gate #endif /* !defined TZ_MAX_CHARS */ 1687c478bd9Sstevel@tonic-gate 1697c478bd9Sstevel@tonic-gate #ifndef TZ_MAX_LEAPS 1707c478bd9Sstevel@tonic-gate #define TZ_MAX_LEAPS 50 /* Maximum number of leap second corrections */ 1717c478bd9Sstevel@tonic-gate #endif /* !defined TZ_MAX_LEAPS */ 1727c478bd9Sstevel@tonic-gate 1737c478bd9Sstevel@tonic-gate #define SECSPERMIN 60 1747c478bd9Sstevel@tonic-gate #define MINSPERHOUR 60 1757c478bd9Sstevel@tonic-gate #define HOURSPERDAY 24 1767c478bd9Sstevel@tonic-gate #define DAYSPERWEEK 7 1777c478bd9Sstevel@tonic-gate #define DAYSPERNYEAR 365 1787c478bd9Sstevel@tonic-gate #define DAYSPERLYEAR 366 1797c478bd9Sstevel@tonic-gate #define SECSPERHOUR (SECSPERMIN * MINSPERHOUR) 1807c478bd9Sstevel@tonic-gate #define SECSPERDAY ((time_t)SECSPERHOUR * HOURSPERDAY) 1817c478bd9Sstevel@tonic-gate #define MONSPERYEAR 12 1827c478bd9Sstevel@tonic-gate 1837c478bd9Sstevel@tonic-gate #define TM_SUNDAY 0 1847c478bd9Sstevel@tonic-gate #define TM_MONDAY 1 1857c478bd9Sstevel@tonic-gate #define TM_TUESDAY 2 1867c478bd9Sstevel@tonic-gate #define TM_WEDNESDAY 3 1877c478bd9Sstevel@tonic-gate #define TM_THURSDAY 4 1887c478bd9Sstevel@tonic-gate #define TM_FRIDAY 5 1897c478bd9Sstevel@tonic-gate #define TM_SATURDAY 6 1907c478bd9Sstevel@tonic-gate 1917c478bd9Sstevel@tonic-gate #define TM_JANUARY 0 1927c478bd9Sstevel@tonic-gate #define TM_FEBRUARY 1 1937c478bd9Sstevel@tonic-gate #define TM_MARCH 2 1947c478bd9Sstevel@tonic-gate #define TM_APRIL 3 1957c478bd9Sstevel@tonic-gate #define TM_MAY 4 1967c478bd9Sstevel@tonic-gate #define TM_JUNE 5 1977c478bd9Sstevel@tonic-gate #define TM_JULY 6 1987c478bd9Sstevel@tonic-gate #define TM_AUGUST 7 1997c478bd9Sstevel@tonic-gate #define TM_SEPTEMBER 8 2007c478bd9Sstevel@tonic-gate #define TM_OCTOBER 9 2017c478bd9Sstevel@tonic-gate #define TM_NOVEMBER 10 2027c478bd9Sstevel@tonic-gate #define TM_DECEMBER 11 2037c478bd9Sstevel@tonic-gate 2047c478bd9Sstevel@tonic-gate #define TM_YEAR_BASE 1900 2057c478bd9Sstevel@tonic-gate 2067c478bd9Sstevel@tonic-gate #define EPOCH_YEAR 1970 2077c478bd9Sstevel@tonic-gate #define EPOCH_WDAY TM_THURSDAY 2087c478bd9Sstevel@tonic-gate 2097c478bd9Sstevel@tonic-gate #define isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0)) 2107c478bd9Sstevel@tonic-gate 2117c478bd9Sstevel@tonic-gate #ifndef USG 2127c478bd9Sstevel@tonic-gate 2137c478bd9Sstevel@tonic-gate /* 2147c478bd9Sstevel@tonic-gate * Use of the underscored variants may cause problems if you move your code to 2157c478bd9Sstevel@tonic-gate * certain System-V-based systems; for maximum portability, use the 2167c478bd9Sstevel@tonic-gate * underscore-free variants. The underscored variants are provided for 2177c478bd9Sstevel@tonic-gate * backward compatibility only; they may disappear from future versions of 2187c478bd9Sstevel@tonic-gate * this file. 2197c478bd9Sstevel@tonic-gate */ 2207c478bd9Sstevel@tonic-gate 2217c478bd9Sstevel@tonic-gate #define SECS_PER_MIN SECSPERMIN 2227c478bd9Sstevel@tonic-gate #define MINS_PER_HOUR MINSPERHOUR 2237c478bd9Sstevel@tonic-gate #define HOURS_PER_DAY HOURSPERDAY 2247c478bd9Sstevel@tonic-gate #define DAYS_PER_WEEK DAYSPERWEEK 2257c478bd9Sstevel@tonic-gate #define DAYS_PER_NYEAR DAYSPERNYEAR 2267c478bd9Sstevel@tonic-gate #define DAYS_PER_LYEAR DAYSPERLYEAR 2277c478bd9Sstevel@tonic-gate #define SECS_PER_HOUR SECSPERHOUR 2287c478bd9Sstevel@tonic-gate #define SECS_PER_DAY SECSPERDAY 2297c478bd9Sstevel@tonic-gate #define MONS_PER_YEAR MONSPERYEAR 2307c478bd9Sstevel@tonic-gate 2317c478bd9Sstevel@tonic-gate #endif /* !defined USG */ 2327c478bd9Sstevel@tonic-gate 233*80868c53Srobbin /* 234*80868c53Srobbin * Since everything in isleap is modulo 400 (or a factor of 400), we know that 235*80868c53Srobbin * isleap(y) == isleap(y % 400) 236*80868c53Srobbin * and so 237*80868c53Srobbin * isleap(a + b) == isleap((a + b) % 400) 238*80868c53Srobbin * or 239*80868c53Srobbin * isleap(a + b) == isleap(a % 400 + b % 400) 240*80868c53Srobbin * This is true even if % means modulo rather than Fortran remainder 241*80868c53Srobbin * (which is allowed by C89 but not C99). 242*80868c53Srobbin * We use this to avoid addition overflow problems. 243*80868c53Srobbin */ 244*80868c53Srobbin 245*80868c53Srobbin #define isleap_sum(a, b) isleap((a) % 400 + (b) % 400) 246*80868c53Srobbin 2477c478bd9Sstevel@tonic-gate #ifdef __cplusplus 2487c478bd9Sstevel@tonic-gate } 2497c478bd9Sstevel@tonic-gate #endif 2507c478bd9Sstevel@tonic-gate 2517c478bd9Sstevel@tonic-gate #endif /* _TZFILE_H */ 252