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/* Parse a string, yielding a struct partime that describes it. */
/* Copyright 1993, 1994, 1995 Paul Eggert
Distributed under license by the Free Software Foundation, Inc.
This file is part of RCS.
RCS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
RCS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with RCS; see the file COPYING.
If not, write to the Free Software Foundation,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Report problems and direct all questions to:
rcs-bugs@cs.purdue.edu
*/
#define TM_UNDEFINED (-1)
#define TM_DEFINED(x) (0 <= (x))
#define TM_UNDEFINED_ZONE ((long) -24 * 60 * 60)
#define TM_LOCAL_ZONE (TM_UNDEFINED_ZONE - 1)
struct partime {
/*
* This structure describes the parsed time.
* Only the following tm_* values in it are used:
* sec, min, hour, mday, mon, year, wday, yday.
* If TM_UNDEFINED(value), the parser never found the value.
* The tm_year field is the actual year, not the year - 1900;
* but see ymodulus below.
*/
struct tm tm;
/*
* If !TM_UNDEFINED(ymodulus),
* then tm.tm_year is actually modulo ymodulus.
*/
int ymodulus;
/*
* Week of year, ISO 8601 style.
* If TM_UNDEFINED(yweek), the parser never found yweek.
* Weeks start on Mondays.
* Week 1 includes Jan 4.
*/
int yweek;
/* Seconds east of UTC; or TM_LOCAL_ZONE or TM_UNDEFINED_ZONE. */
long zone;
};
#if defined(__STDC__) || has_prototypes
# define __PARTIME_P(x) x
#else
# define __PARTIME_P(x) ()
#endif
char *partime __PARTIME_P((char const *, struct partime *));
char *parzone __PARTIME_P((char const *, long *));
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