icalduration.h

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/*======================================================================
 FILE: icalduration.h
 CREATOR: eric 26 Jan 2001
 
 (C) COPYRIGHT 2000, Eric Busboom <eric@civicknowledge.com>
 
 This library is free software; you can redistribute it and/or modify
 it under the terms of either:
 
    The LGPL as published by the Free Software Foundation, version
    2.1, available at: https://www.gnu.org/licenses/lgpl-2.1.html
 
 Or:
 
    The Mozilla Public License Version 2.0. You may obtain a copy of
    the License at https://www.mozilla.org/MPL/
 
 The Original Code is eric. The Initial Developer of the Original
 Code is Eric Busboom
======================================================================*/
 
#ifndef ICALDURATION_H
#define ICALDURATION_H

 
#include "libical_ical_export.h"
#include "icaltime.h"

struct icaldurationtype
{
    int is_neg;
    unsigned int days;
    unsigned int weeks;
    unsigned int hours;
    unsigned int minutes;
    unsigned int seconds;
};
 
#define ICALDURATIONTYPE_INITIALIZER { 0, 0, 0, 0, 0, 0 }

LIBICAL_ICAL_EXPORT struct icaldurationtype icaldurationtype_from_int(int t);

LIBICAL_ICAL_EXPORT struct icaldurationtype icaldurationtype_from_string(const char *dur);

LIBICAL_ICAL_EXPORT int icaldurationtype_as_int(struct icaldurationtype duration);

LIBICAL_ICAL_EXPORT char *icaldurationtype_as_ical_string(struct icaldurationtype d);

LIBICAL_ICAL_EXPORT char *icaldurationtype_as_ical_string_r(struct icaldurationtype d);

LIBICAL_ICAL_EXPORT struct icaldurationtype icaldurationtype_null_duration(void);

LIBICAL_ICAL_EXPORT struct icaldurationtype icaldurationtype_bad_duration(void);

LIBICAL_ICAL_EXPORT int icaldurationtype_is_null_duration(struct icaldurationtype d);

LIBICAL_ICAL_EXPORT int icaldurationtype_is_bad_duration(struct icaldurationtype d);

LIBICAL_ICAL_EXPORT struct icaltimetype icaltime_add(struct icaltimetype t,
                                                     struct icaldurationtype d);

LIBICAL_ICAL_EXPORT struct icaldurationtype icaltime_subtract(struct icaltimetype t1,
                                                              struct icaltimetype t2);
 
#endif /* !ICALDURATION_H */