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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /timezone/tzfile.h
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'timezone/tzfile.h')
-rw-r--r--timezone/tzfile.h62
1 files changed, 35 insertions, 27 deletions
diff --git a/timezone/tzfile.h b/timezone/tzfile.h
index 3a9eee305a..0921c3c339 100644
--- a/timezone/tzfile.h
+++ b/timezone/tzfile.h
@@ -4,7 +4,7 @@
/*
** This file is in the public domain, so clarified as of
-** 1996-06-05 by Arthur David Olson.
+** 1996-06-05 by Arthur David Olson (arthur_david_olson@nih.gov).
*/
/*
@@ -21,7 +21,7 @@
#ifndef lint
#ifndef NOID
-static char tzfilehid[] = "@(#)tzfile.h 8.1";
+static char tzfilehid[] = "@(#)tzfile.h 7.14";
#endif /* !defined NOID */
#endif /* !defined lint */
@@ -48,9 +48,8 @@ static char tzfilehid[] = "@(#)tzfile.h 8.1";
#define TZ_MAGIC "TZif"
struct tzhead {
- char tzh_magic[4]; /* TZ_MAGIC */
- char tzh_version[1]; /* '\0' or '2' as of 2005 */
- char tzh_reserved[15]; /* reserved--must be zero */
+ char tzh_magic[4]; /* TZ_MAGIC */
+ char tzh_reserved[16]; /* reserved for future use */
char tzh_ttisgmtcnt[4]; /* coded number of trans. time flags */
char tzh_ttisstdcnt[4]; /* coded number of trans. time flags */
char tzh_leapcnt[4]; /* coded number of leap seconds */
@@ -85,22 +84,18 @@ struct tzhead {
*/
/*
-** If tzh_version is '2' or greater, the above is followed by a second instance
-** of tzhead and a second instance of the data in which each coded transition
-** time uses 8 rather than 4 chars,
-** then a POSIX-TZ-environment-variable-style string for use in handling
-** instants after the last transition time stored in the file
-** (with nothing between the newlines if there is no POSIX representation for
-** such instants).
-*/
-
-/*
** In the current implementation, "tzset()" refuses to deal with files that
** exceed any of the limits below.
*/
#ifndef TZ_MAX_TIMES
-#define TZ_MAX_TIMES 1200
+/*
+** 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
#endif /* !defined TZ_MAX_TIMES */
#ifndef TZ_MAX_TYPES
@@ -110,7 +105,7 @@ struct tzhead {
#ifdef NOSOLAR
/*
** Must be at least 14 for Europe/Riga as of Jan 12 1995,
-** as noted by Earl Chew.
+** as noted by Earl Chew <earl@hpato.aus.hp.com>.
*/
#define TZ_MAX_TYPES 20 /* Maximum number of local time types */
#endif /* !defined NOSOLAR */
@@ -161,20 +156,33 @@ struct tzhead {
#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))
+#ifndef USG
+
/*
-** Since everything in isleap is modulo 400 (or a factor of 400), we know that
-** isleap(y) == isleap(y % 400)
-** and so
-** isleap(a + b) == isleap((a + b) % 400)
-** or
-** isleap(a + b) == isleap(a % 400 + b % 400)
-** This is true even if % means modulo rather than Fortran remainder
-** (which is allowed by C89 but not C99).
-** We use this to avoid addition overflow problems.
+** 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 isleap_sum(a, b) isleap((a) % 400 + (b) % 400)
+#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
+
+#endif /* !defined USG */
#endif /* !defined TZFILE_H */