165 lines
4.6 KiB
C
165 lines
4.6 KiB
C
/*
|
|
* 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 */
|