Annotation of prex-old/usr/include/tzfile.h, Revision 1.1.1.1
1.1 nbrk 1: /*
2: * Copyright (c) 1988, 1993
3: * The Regents of the University of California. All rights reserved.
4: *
5: * This code is derived from software contributed to Berkeley by
6: * Arthur David Olson of the National Cancer Institute.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. Neither the name of the University nor the names of its contributors
17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: *
32: * @(#)tzfile.h 8.1 (Berkeley) 6/2/93
33: */
34:
35: #ifndef _TZFILE_H_
36: #define _TZFILE_H_
37:
38: #define SECSPERMIN 60
39: #define MINSPERHOUR 60
40: #define HOURSPERDAY 24
41: #define DAYSPERWEEK 7
42: #define DAYSPERNYEAR 365
43: #define DAYSPERLYEAR 366
44: #define SECSPERHOUR (SECSPERMIN * MINSPERHOUR)
45: #define SECSPERDAY ((long) SECSPERHOUR * HOURSPERDAY)
46: #define MONSPERYEAR 12
47:
48: #define TM_SUNDAY 0
49: #define TM_MONDAY 1
50: #define TM_TUESDAY 2
51: #define TM_WEDNESDAY 3
52: #define TM_THURSDAY 4
53: #define TM_FRIDAY 5
54: #define TM_SATURDAY 6
55:
56: #define TM_JANUARY 0
57: #define TM_FEBRUARY 1
58: #define TM_MARCH 2
59: #define TM_APRIL 3
60: #define TM_MAY 4
61: #define TM_JUNE 5
62: #define TM_JULY 6
63: #define TM_AUGUST 7
64: #define TM_SEPTEMBER 8
65: #define TM_OCTOBER 9
66: #define TM_NOVEMBER 10
67: #define TM_DECEMBER 11
68:
69: #define TM_YEAR_BASE 1900
70:
71: #define EPOCH_YEAR 1970
72: #define EPOCH_WDAY TM_THURSDAY
73:
74: /*
75: ** Accurate only for the past couple of centuries;
76: ** that will probably do.
77: */
78:
79: #define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0)
80:
81: #endif /* !_TZFILE_H_ */
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