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