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9441de4c38
This release is used in conjunction with the linux-sgx-driver Intial release: https://github.com/01org/linux-sgx-driver commit-id: 0e865ce5e6b297a787bcdc12d98bada8174be6d7 Intel-id: 33399 Signed-off-by: Angie Chinchilla <angie.v.chinchilla@intel.com>
73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
/* $OpenBSD: tzfile.h,v 1.8 2007/02/06 19:35:16 millert Exp $ */
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#ifndef TZFILE_H
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#define TZFILE_H
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/*
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** This file is in the public domain, so clarified as of
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** 1996-06-05 by Arthur David Olson.
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*/
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/*
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** This header is for use ONLY with the time conversion code.
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** There is no guarantee that it will remain unchanged,
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** or that it will remain at all.
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** Do NOT copy it to any system include directory.
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** Thank you!
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*/
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#define SECSPERMIN 60
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#define MINSPERHOUR 60
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#define HOURSPERDAY 24
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#define DAYSPERWEEK 7
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#define DAYSPERNYEAR 365
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#define DAYSPERLYEAR 366
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#define SECSPERHOUR (SECSPERMIN * MINSPERHOUR)
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#define SECSPERDAY ((long) SECSPERHOUR * HOURSPERDAY)
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#define MONSPERYEAR 12
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#define TM_SUNDAY 0
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#define TM_MONDAY 1
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#define TM_TUESDAY 2
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#define TM_WEDNESDAY 3
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#define TM_THURSDAY 4
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#define TM_FRIDAY 5
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#define TM_SATURDAY 6
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#define TM_JANUARY 0
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#define TM_FEBRUARY 1
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#define TM_MARCH 2
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#define TM_APRIL 3
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#define TM_MAY 4
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#define TM_JUNE 5
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#define TM_JULY 6
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#define TM_AUGUST 7
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#define TM_SEPTEMBER 8
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#define TM_OCTOBER 9
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#define TM_NOVEMBER 10
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#define TM_DECEMBER 11
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#define TM_YEAR_BASE 1900
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#define EPOCH_YEAR 1970
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#define EPOCH_WDAY TM_THURSDAY
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#define isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0))
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/*
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** Since everything in isleap is modulo 400 (or a factor of 400), we know that
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** isleap(y) == isleap(y % 400)
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** and so
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** isleap(a + b) == isleap((a + b) % 400)
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** or
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** isleap(a + b) == isleap(a % 400 + b % 400)
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** This is true even if % means modulo rather than Fortran remainder
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** (which is allowed by C89 but not C99).
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** We use this to avoid addition overflow problems.
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*/
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#define isleap_sum(a, b) isleap((a) % 400 + (b) % 400)
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#endif /* !defined TZFILE_H */
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