1/*	$NetBSD: partime.h,v 1.2 2016/01/14 04:22:39 christos Exp $	*/
2
3/* Parse a string, yielding a struct partime that describes it.  */
4
5/* Copyright 1993, 1994, 1995 Paul Eggert
6   Distributed under license by the Free Software Foundation, Inc.
7
8This file is part of RCS.
9
10RCS is free software; you can redistribute it and/or modify
11it under the terms of the GNU General Public License as published by
12the Free Software Foundation; either version 2, or (at your option)
13any later version.
14
15RCS is distributed in the hope that it will be useful,
16but WITHOUT ANY WARRANTY; without even the implied warranty of
17MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18GNU General Public License for more details.
19
20You should have received a copy of the GNU General Public License
21along with RCS; see the file COPYING.
22If not, write to the Free Software Foundation,
2359 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24
25Report problems and direct all questions to:
26
27    rcs-bugs@cs.purdue.edu
28
29*/
30
31#define TM_UNDEFINED (-1)
32#define TM_DEFINED(x) (0 <= (x))
33
34#define TM_UNDEFINED_ZONE ((long) -24 * 60 * 60)
35#define TM_LOCAL_ZONE (TM_UNDEFINED_ZONE - 1)
36
37struct partime {
38	/*
39	* This structure describes the parsed time.
40	* Only the following tm_* values in it are used:
41	*	sec, min, hour, mday, mon, year, wday, yday.
42	* If TM_UNDEFINED(value), the parser never found the value.
43	* The tm_year field is the actual year, not the year - 1900;
44	* but see ymodulus below.
45	*/
46	struct tm tm;
47
48	/*
49	* If !TM_UNDEFINED(ymodulus),
50	* then tm.tm_year is actually modulo ymodulus.
51	*/
52	int ymodulus;
53
54	/*
55	* Week of year, ISO 8601 style.
56	* If TM_UNDEFINED(yweek), the parser never found yweek.
57	* Weeks start on Mondays.
58	* Week 1 includes Jan 4.
59	*/
60	int yweek;
61
62	/* Seconds east of UTC; or TM_LOCAL_ZONE or TM_UNDEFINED_ZONE.  */
63	long zone;
64};
65
66#if defined(__STDC__) || has_prototypes
67#	define __PARTIME_P(x) x
68#else
69#	define __PARTIME_P(x) ()
70#endif
71
72char *partime __PARTIME_P((char const *, struct partime *));
73char *parzone __PARTIME_P((char const *, long *));
74