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authorPeter Galbavy <peter@cvs.openbsd.org>1998-07-21 13:20:29 +0000
committerPeter Galbavy <peter@cvs.openbsd.org>1998-07-21 13:20:29 +0000
commit43b686d61558c0957f1779c747214ddef20a2252 (patch)
tree99fb41dbccee40683a84fe98aa3c6a9784911bf2 /lib/libpthread/include/tzfile.h
parentea12e8eb2f8d4c89e854d9381f85ce8fb4688ad0 (diff)
Complete initial import from mySQL 3.22.4 (mit-pthreads/).
Lots of dross to move and remove yet. At minimum: o remove GNU config and GNU Makefiles o build arch directory and migrate away machdep/ o rebuild BSD Makefiles o move notes etc. into doc/
Diffstat (limited to 'lib/libpthread/include/tzfile.h')
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+/*
+ * Copyright (c) 1988 Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Arthur David Olson of the National Cancer Institute.
+ *
+ * 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. 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.
+ *
+ * from: @(#)tzfile.h 5.10 (Berkeley) 4/3/91
+ * $Id: tzfile.h,v 1.1 1998/07/21 13:19:10 peter Exp $
+ */
+
+#ifndef _TZFILE_H_
+#define _TZFILE_H_
+
+#include <pthread/paths.h>
+
+/*
+ * Information about time zone files.
+ */
+#define TZDIR _PATH_TZDIR
+#define TZDEFAULT _PATH_TZFILE
+#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 NOSOLAR /* 4BSD doesn't currently handle solar time */
+
+#ifndef NOSOLAR
+#define TZ_MAX_TYPES 256 /* Limited by what (unsigned char)'s can hold */
+#else
+#define TZ_MAX_TYPES 10 /* Maximum number of local time types */
+#endif
+
+#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)
+
+#endif /* !_TZFILE_H_ */
+