1/***********************************************************************
2*                                                                      *
3*               This software is part of the ast package               *
4*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
5*                      and is licensed under the                       *
6*                 Eclipse Public License, Version 1.0                  *
7*                    by AT&T Intellectual Property                     *
8*                                                                      *
9*                A copy of the License is available at                 *
10*          http://www.eclipse.org/org/documents/epl-v10.html           *
11*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
12*                                                                      *
13*              Information and Software Systems Research               *
14*                            AT&T Research                             *
15*                           Florham Park NJ                            *
16*                                                                      *
17*                 Glenn Fowler <gsf@research.att.com>                  *
18*                  David Korn <dgk@research.att.com>                   *
19*                   Phong Vo <kpv@research.att.com>                    *
20*                                                                      *
21***********************************************************************/
22#pragma prototyped
23/*
24 * Glenn Fowler
25 * AT&T Research
26 *
27 * time conversion support definitions
28 */
29
30#ifndef _TM_H
31#define _TM_H
32
33#define TM_VERSION	20070319L
34
35#include <ast.h>
36#include <times.h>
37
38#undef	daylight
39
40#define tmset(z)	tminit(z)
41#define tmisleapyear(y)	(!((y)%4)&&(((y)%100)||!((((y)<1900)?((y)+1900):(y))%400)))
42
43#define TM_ADJUST	(1<<0)		/* local doesn't do leap secs	*/
44#define TM_LEAP		(1<<1)		/* do leap seconds		*/
45#define TM_UTC		(1<<2)		/* universal coordinated ref	*/
46
47#define TM_PEDANTIC	(1<<3)		/* pedantic date parse		*/
48#define TM_DATESTYLE	(1<<4)		/* date(1) style mmddHHMMccyy	*/
49#define TM_SUBSECOND	(1<<5)		/* <something>%S => ...%S.%P	*/
50
51#define TM_DST		(-60)		/* default minutes for DST	*/
52#define TM_LOCALZONE	(25 * 60)	/* use local time zone offset	*/
53#define TM_UTCZONE	(26 * 60)	/* UTC "time zone"		*/
54#define TM_MAXLEAP	1		/* max leap secs per leap	*/
55#define TM_WINDOW	69		/* century windowing guard year	*/
56
57/*
58 * these indices must agree with tm_dform[]
59 */
60
61#define TM_MONTH_ABBREV		0
62#define TM_MONTH		12
63#define TM_DAY_ABBREV		24
64#define TM_DAY			31
65#define TM_TIME			38
66#define TM_DATE			39
67#define TM_DEFAULT		40
68#define TM_MERIDIAN		41
69
70#define TM_UT			43
71#define TM_DT			47
72#define TM_SUFFIXES		51
73#define TM_PARTS		55
74#define TM_HOURS		62
75#define TM_DAYS			66
76#define TM_LAST			69
77#define TM_THIS			72
78#define TM_NEXT			75
79#define TM_EXACT		78
80#define TM_NOISE		81
81#define TM_ORDINAL		85
82#define TM_DIGITS		95
83#define TM_CTIME		105
84#define TM_DATE_1		106
85#define TM_INTERNATIONAL	107
86#define TM_RECENT		108
87#define TM_DISTANT		109
88#define TM_MERIDIAN_TIME	110
89#define TM_ERA			111
90#define TM_ERA_DATE		112
91#define TM_ERA_TIME		113
92#define TM_ERA_DEFAULT		114
93#define TM_ERA_YEAR		115
94#define TM_ORDINALS		116
95#define TM_FINAL		126
96#define TM_WORK			129
97
98#define TM_NFORM		132
99
100typedef struct				/* leap second info		*/
101{
102	time_t		time;		/* the leap second event	*/
103	int		total;		/* inclusive total since epoch	*/
104} Tm_leap_t;
105
106typedef struct				/* time zone info		*/
107{
108	char*		type;		/* type name			*/
109	char*		standard;	/* standard time name		*/
110	char*		daylight;	/* daylight or summertime name	*/
111	short		west;		/* minutes west of GMT		*/
112	short		dst;		/* add to tz.west for DST	*/
113} Tm_zone_t;
114
115typedef struct				/* tm library readonly data	*/
116{
117	char**		format;		/* default TM_* format strings	*/
118	unsigned char*	lex;		/* format lex type classes	*/
119	char*		digit;		/* output digits		*/
120	short*		days;		/* days in month i		*/
121	short*		sum;		/* days in months before i	*/
122	Tm_leap_t*	leap;		/* leap second table		*/
123	Tm_zone_t*	zone;		/* alternate timezone table	*/
124} Tm_data_t;
125
126typedef struct				/* tm library global info	*/
127{
128	char*		deformat;	/* TM_DEFAULT override		*/
129	int		flags;		/* flags			*/
130	char**		format;		/* current format strings	*/
131	Tm_zone_t*	date;		/* timezone from last tmdate()	*/
132	Tm_zone_t*	local;		/* local timezone		*/
133	Tm_zone_t*	zone;		/* current timezone		*/
134} Tm_info_t;
135
136typedef struct Tm_s
137{
138	int			tm_sec;
139	int			tm_min;
140	int			tm_hour;
141	int			tm_mday;
142	int			tm_mon;
143	int			tm_year;
144	int			tm_wday;
145	int			tm_yday;
146	int			tm_isdst;
147	uint32_t		tm_nsec;
148	Tm_zone_t*		tm_zone;
149} Tm_t;
150
151#if _BLD_ast && defined(__EXPORT__)
152#define extern		extern __EXPORT__
153#endif
154#if !_BLD_ast && defined(__IMPORT__)
155#define extern		extern __IMPORT__
156#endif
157
158extern Tm_data_t*	_tm_datap_;
159extern Tm_info_t*	_tm_infop_;
160
161#define tm_data		(*_tm_datap_)
162#define tm_info		(*_tm_infop_)
163
164#undef	extern
165
166#if _BLD_ast && defined(__EXPORT__)
167#define extern		__EXPORT__
168#endif
169
170extern time_t		tmdate(const char*, char**, time_t*);
171extern int		tmequiv(Tm_t*);
172extern Tm_t*		tmfix(Tm_t*);
173extern char*		tmfmt(char*, size_t, const char*, time_t*);
174extern char*		tmform(char*, const char*, time_t*);
175extern int		tmgoff(const char*, char**, int);
176extern void		tminit(Tm_zone_t*);
177extern time_t		tmleap(time_t*);
178extern int		tmlex(const char*, char**, char**, int, char**, int);
179extern char**		tmlocale(void);
180extern Tm_t*		tmmake(time_t*);
181extern char*		tmpoff(char*, size_t, const char*, int, int);
182extern time_t		tmscan(const char*, char**, const char*, char**, time_t*, long);
183extern int		tmsleep(time_t, time_t);
184extern time_t		tmtime(Tm_t*, int);
185extern Tm_zone_t*	tmtype(const char*, char**);
186extern int		tmweek(Tm_t*, int, int, int);
187extern int		tmword(const char*, char**, const char*, char**, int);
188extern Tm_zone_t*	tmzone(const char*, char**, const char*, int*);
189
190#undef	extern
191
192#endif
193