PostgreSQL Source Code: src/timezone/private.h Source File (original) (raw)
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3#ifndef PRIVATE_H
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5#define PRIVATE_H
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23#include <limits.h>
24#include <sys/wait.h>
25#include <unistd.h>
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30#define GRANDPARENTED "Local time zone must be set--see zic manual page"
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37#ifndef ENOTSUP
38#define ENOTSUP EINVAL
39#endif
40#ifndef EOVERFLOW
41#define EOVERFLOW EINVAL
42#endif
43
44
45#define is_digit(c) ((unsigned)(c) - '0' <= 9)
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47
48#undef strtoimax
49#define strtoimax strtoll
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55
56#define TYPE_BIT(type) (sizeof (type) * CHAR_BIT)
57#define TYPE_SIGNED(type) (((type) -1) < 0)
58#define TWOS_COMPLEMENT(t) ((t) ~ (t) 0 < 0)
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65#define MAXVAL(t, b) \
66 ((t) (((t) 1 << ((b) - 1 - TYPE_SIGNED(t))) \
67 - 1 + ((t) 1 << ((b) - 1 - TYPE_SIGNED(t)))))
68#define MINVAL(t, b) \
69 ((t) (TYPE_SIGNED(t) ? - TWOS_COMPLEMENT(t) - MAXVAL(t, b) : 0))
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71
72#define TIME_T_MIN MINVAL(pg_time_t, TYPE_BIT(pg_time_t))
73#define TIME_T_MAX MAXVAL(pg_time_t, TYPE_BIT(pg_time_t))
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81#define INT_STRLEN_MAXIMUM(type) \
82 ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + \
83 1 + TYPE_SIGNED(type))
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87
88#define INITIALIZE(x) ((x) = 0)
89
90#undef _
91#define _(msgid) (msgid)
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95#define YEARSPERREPEAT 400
96
97#define SECSPERMIN 60
98#define MINSPERHOUR 60
99#define HOURSPERDAY 24
100#define DAYSPERWEEK 7
101#define DAYSPERNYEAR 365
102#define DAYSPERLYEAR 366
103#define SECSPERHOUR (SECSPERMIN * MINSPERHOUR)
104#define SECSPERDAY ((int32) SECSPERHOUR * HOURSPERDAY)
105#define MONSPERYEAR 12
106
107#define TM_SUNDAY 0
108#define TM_MONDAY 1
109#define TM_TUESDAY 2
110#define TM_WEDNESDAY 3
111#define TM_THURSDAY 4
112#define TM_FRIDAY 5
113#define TM_SATURDAY 6
114
115#define TM_JANUARY 0
116#define TM_FEBRUARY 1
117#define TM_MARCH 2
118#define TM_APRIL 3
119#define TM_MAY 4
120#define TM_JUNE 5
121#define TM_JULY 6
122#define TM_AUGUST 7
123#define TM_SEPTEMBER 8
124#define TM_OCTOBER 9
125#define TM_NOVEMBER 10
126#define TM_DECEMBER 11
127
128#define TM_YEAR_BASE 1900
129
130#define EPOCH_YEAR 1970
131#define EPOCH_WDAY TM_THURSDAY
132
133#define isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0))
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147#define isleap_sum(a, b) isleap((a) % 400 + (b) % 400)
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154#define AVGSECSPERYEAR 31556952L
155#define SECSPERREPEAT \
156 ((int64) YEARSPERREPEAT * (int64) AVGSECSPERYEAR)
157#define SECSPERREPEAT_BITS 34
158
159#endif