| /* |
| * CDDL HEADER START |
| * |
| * The contents of this file are subject to the terms of the |
| * Common Development and Distribution License (the "License"). |
| * You may not use this file except in compliance with the License. |
| * |
| * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
| * or http://www.opensolaris.org/os/licensing. |
| * See the License for the specific language governing permissions |
| * and limitations under the License. |
| * |
| * When distributing Covered Code, include this CDDL HEADER in each |
| * file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
| * If applicable, add the following below this CDDL HEADER, with the |
| * fields enclosed by brackets "[]" replaced with your own identifying |
| * information: Portions Copyright [yyyy] [name of copyright owner] |
| * |
| * CDDL HEADER END |
| */ |
| /* |
| * Copyright 2007 Sun Microsystems, Inc. All rights reserved. |
| * Use is subject to license terms. |
| */ |
| |
| /* |
| * from Arthur Olson's 6.1 |
| */ |
| |
| #ifndef _LIBSPL_SYS_TZFILE_H |
| #define _LIBSPL_SYS_TZFILE_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* |
| * Information about time zone files. |
| */ |
| |
| #define TZDIR "/usr/share/lib/zoneinfo" /* Time zone object file directory */ |
| |
| #define TZDEFAULT (getenv("TZ")) |
| |
| #define TZDEFRULES "posixrules" |
| |
| /* |
| * Each file begins with. . . |
| */ |
| |
| struct tzhead { |
| char tzh_reserved[24]; /* reserved for future use */ |
| char tzh_ttisstdcnt[4]; /* coded number of trans. time flags */ |
| char tzh_leapcnt[4]; /* coded number of leap seconds */ |
| char tzh_timecnt[4]; /* coded number of transition times */ |
| char tzh_typecnt[4]; /* coded number of local time types */ |
| char tzh_charcnt[4]; /* coded number of abbr. chars */ |
| }; |
| |
| /* |
| * . . .followed by. . . |
| * |
| * tzh_timecnt (char [4])s coded transition times a la time(2) |
| * tzh_timecnt (unsigned char)s types of local time starting at above |
| * tzh_typecnt repetitions of |
| * one (char [4]) coded GMT offset in seconds |
| * one (unsigned char) used to set tm_isdst |
| * one (unsigned char) that's an abbreviation list index |
| * tzh_charcnt (char)s '\0'-terminated zone abbreviations |
| * tzh_leapcnt repetitions of |
| * one (char [4]) coded leap second transition times |
| * one (char [4]) total correction after above |
| * tzh_ttisstdcnt (char)s indexed by type; if TRUE, transition |
| * time is standard time, if FALSE, |
| * transition time is wall clock time |
| * if absent, transition times are |
| * assumed to be wall clock time |
| */ |
| |
| /* |
| * In the current implementation, "tzset()" refuses to deal with files that |
| * exceed any of the limits below. |
| */ |
| |
| /* |
| * The TZ_MAX_TIMES value below is enough to handle a bit more than a |
| * year's worth of solar time (corrected daily to the nearest second) or |
| * 138 years of Pacific Presidential Election time |
| * (where there are three time zone transitions every fourth year). |
| */ |
| #define TZ_MAX_TIMES 370 |
| |
| #define TZ_MAX_TYPES 256 /* Limited by what (unsigned char)'s can hold */ |
| |
| #define TZ_MAX_CHARS 50 /* Maximum number of abbreviation characters */ |
| |
| #define TZ_MAX_LEAPS 50 /* Maximum number of leap second corrections */ |
| |
| #define SECSPERMIN 60 |
| #define MINSPERHOUR 60 |
| #define HOURSPERDAY 24 |
| #define DAYSPERWEEK 7 |
| #define DAYSPERNYEAR 365 |
| #define DAYSPERLYEAR 366 |
| #define SECSPERHOUR (SECSPERMIN * MINSPERHOUR) |
| #define SECSPERDAY ((long)SECSPERHOUR * HOURSPERDAY) |
| #define MONSPERYEAR 12 |
| |
| #define TM_SUNDAY 0 |
| #define TM_MONDAY 1 |
| #define TM_TUESDAY 2 |
| #define TM_WEDNESDAY 3 |
| #define TM_THURSDAY 4 |
| #define TM_FRIDAY 5 |
| #define TM_SATURDAY 6 |
| |
| #define TM_JANUARY 0 |
| #define TM_FEBRUARY 1 |
| #define TM_MARCH 2 |
| #define TM_APRIL 3 |
| #define TM_MAY 4 |
| #define TM_JUNE 5 |
| #define TM_JULY 6 |
| #define TM_AUGUST 7 |
| #define TM_SEPTEMBER 8 |
| #define TM_OCTOBER 9 |
| #define TM_NOVEMBER 10 |
| #define TM_DECEMBER 11 |
| |
| #define TM_YEAR_BASE 1900 |
| |
| #define EPOCH_YEAR 1970 |
| #define EPOCH_WDAY TM_THURSDAY |
| |
| /* |
| * Accurate only for the past couple of centuries; |
| * that will probably do. |
| */ |
| |
| #define isleap(y) (((y) % 4) == 0 && ((y) % 100) != 0 || ((y) % 400) == 0) |
| |
| /* |
| * Use of the underscored variants may cause problems if you move your code to |
| * certain System-V-based systems; for maximum portability, use the |
| * underscore-free variants. The underscored variants are provided for |
| * backward compatibility only; they may disappear from future versions of |
| * this file. |
| */ |
| |
| #define SECS_PER_MIN SECSPERMIN |
| #define MINS_PER_HOUR MINSPERHOUR |
| #define HOURS_PER_DAY HOURSPERDAY |
| #define DAYS_PER_WEEK DAYSPERWEEK |
| #define DAYS_PER_NYEAR DAYSPERNYEAR |
| #define DAYS_PER_LYEAR DAYSPERLYEAR |
| #define SECS_PER_HOUR SECSPERHOUR |
| #define SECS_PER_DAY SECSPERDAY |
| #define MONS_PER_YEAR MONSPERYEAR |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _LIBSPL_SYS_TZFILE_H */ |