freebsd-src/contrib/patch/partime.h
1997-06-29 06:55:02 +00:00

67 lines
2.1 KiB
C

/* Parse a string, yielding a struct partime that describes it. */
/* Copyright 1993, 1994, 1995, 1997 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))
/* #include <limits.h> if you want to use these symbols. */
#define TM_LOCAL_ZONE LONG_MIN
#define TM_UNDEFINED_ZONE (LONG_MIN + 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 *));