summaryrefslogtreecommitdiff
path: root/src/third_party/timelib-2021.06/timelib_private.h
blob: 6f45444138a6ba02dff18bd4b294391cb36df397 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2015-2019 Derick Rethans
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#ifndef __TIMELIB_PRIVATE_H__
#define __TIMELIB_PRIVATE_H__

#ifdef HAVE_TIMELIB_CONFIG_H
# include "timelib_config.h"
#endif

#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif

#ifdef _WIN32
# ifdef HAVE_WINSOCK2_H
#  include <winsock2.h>
# endif
#endif

#include <string.h>

#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif

#if defined(HAVE_STDINT_H)
# include <stdint.h>
#endif

#if HAVE_UNISTD_H
# include <unistd.h>
#endif

#if HAVE_IO_H
# include <io.h>
#endif

#if HAVE_DIRENT_H
# include <dirent.h>
#endif

#include <stdio.h>
#include <limits.h>

#define TIMELIB_SECOND   1
#define TIMELIB_MINUTE   2
#define TIMELIB_HOUR     3
#define TIMELIB_DAY      4
#define TIMELIB_MONTH    5
#define TIMELIB_YEAR     6
#define TIMELIB_WEEKDAY  7
#define TIMELIB_SPECIAL  8
#define TIMELIB_MICROSEC 9

#define TIMELIB_SPECIAL_WEEKDAY                   0x01
#define TIMELIB_SPECIAL_DAY_OF_WEEK_IN_MONTH      0x02
#define TIMELIB_SPECIAL_LAST_DAY_OF_WEEK_IN_MONTH 0x03

#define TIMELIB_SPECIAL_FIRST_DAY_OF_MONTH        0x01
#define TIMELIB_SPECIAL_LAST_DAY_OF_MONTH         0x02

#define TIMELIB_TIME_PART_DONT_KEEP               0x00
#define TIMELIB_TIME_PART_KEEP                    0x01

#define SECS_PER_ERA   TIMELIB_LL_CONST(12622780800)
#define SECS_PER_DAY   86400
#define SECS_PER_HOUR   3600
#define DAYS_PER_WEEK      7
#define DAYS_PER_YEAR    365
#define DAYS_PER_LYEAR   366
#define MONTHS_PER_YEAR   12
/* 400*365 days + 97 leap days */
#define DAYS_PER_ERA  146097
#define YEARS_PER_ERA    400
#define HINNANT_EPOCH_SHIFT 719468 /* 0000-03-01 instead of 1970-01-01 */

#define TIMELIB_TZINFO_PHP       0x01
#define TIMELIB_TZINFO_ZONEINFO  0x02

#define timelib_is_leap(y) ((y) % 4 == 0 && ((y) % 100 != 0 || (y) % 400 == 0))

#define TIMELIB_DEBUG(s)  if (0) { s }

#define TIMELIB_TIME_FREE(m)    \
	if (m) {        \
		timelib_free(m);    \
		m = NULL;   \
	}

struct _ttinfo
{
	int32_t      offset;
	int          isdst;
	unsigned int abbr_idx;

	unsigned int isstdcnt;
	unsigned int isgmtcnt;
};

struct _tlinfo
{
	int64_t  trans;
	int32_t  offset;
};


#ifndef LONG_MAX
#define LONG_MAX 2147483647L
#endif

#ifndef LONG_MIN
#define LONG_MIN (- LONG_MAX - 1)
#endif

#ifdef __cplusplus
extern "C" {
#endif

/* From unixtime2tm.c */
int timelib_apply_localtime(timelib_time *t, unsigned int localtime);

/* From parse_posix.c */
timelib_sll timelib_ts_at_start_of_year(timelib_sll year);
ttinfo* timelib_fetch_posix_timezone_offset(timelib_tzinfo *tz, timelib_sll ts, timelib_sll *transition_time);

/* From parse_tz.c */
void timelib_time_tz_abbr_update(timelib_time* tm, const char* tz_abbr);
ttinfo* timelib_fetch_timezone_offset(timelib_tzinfo *tz, timelib_sll ts, timelib_sll *transition_time);

/* From timelib.c */
int timelib_strcasecmp(const char *s1, const char *s2);
int timelib_strncasecmp(const char *s1, const char *s2, size_t n);

#ifdef __cplusplus
} /* extern "C" */
#endif

#endif