Diffstat (limited to 'libical/src/libical/astime.h') (more/less context) (ignore whitespace changes)
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1 files changed, 65 insertions, 0 deletions
diff --git a/libical/src/libical/astime.h b/libical/src/libical/astime.h new file mode 100644 index 0000000..6962c06 --- a/dev/null +++ b/libical/src/libical/astime.h @@ -0,0 +1,65 @@ +/* + * Copyright (c) 1986-2000, Hiram Clawson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * Redistributions of source code must retain the above + * copyright notice, this list of conditions and the + * following disclaimer. + * + * Redistributions in binary form must reproduce the + * above copyright notice, this list of conditions and + * the following disclaimer in the documentation and/or + * other materials provided with the distribution. + * + * Neither name of The Museum of Hiram nor the names of + * its contributors may be used to endorse or promote products + * derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * @file astime.h + * @brief contains definitions of structures used for time calculations. + */ + +#ifndef _astime_h_ +#define _astime_h_ + +typedef struct ut_instant { + double j_date; /**< julian decimal date, 0 = 01 Jan 4713 BC 12 HR UT */ + long year; /**< year, valid range [-4,713, +2,147,483,647] */ + int month; /**< [1-12] */ + int day; /**< [1-31] */ + int i_hour; /**< [0-23] */ + int i_minute; /**< [0-59] */ + int i_second; /**< [0-59] */ + double d_hour; /**< [0.0-23.9999] includes minute and second */ + double d_minute; /**< [0.0-59.9999] includes second */ + double d_second; /**< [0.0-59.9999] */ + int weekday; /**< [0-6] */ + int day_of_year; /**< [1-366] */ +} UTinstant, * UTinstantPtr; + +/* Functions in caldate.c */ + +long caldat( UTinstantPtr ); /** converts julian date to year,mo,da */ +double juldat( UTinstantPtr ); /** returns julian day from year,mo,da */ + +#endif /* _astime_h_ */ |