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1.1 ! root 1: /* xpdatetime.h */ ! 2: ! 3: /* Cross-platform (and eXtra Precision) date/time functions */ ! 4: ! 5: /* $Id: xpdatetime.h,v 1.3 2008/02/23 21:05:30 rswindell Exp $ */ ! 6: ! 7: /**************************************************************************** ! 8: * @format.tab-size 4 (Plain Text/Source Code File Header) * ! 9: * @format.use-tabs true (see http://www.synchro.net/ptsc_hdr.html) * ! 10: * * ! 11: * Copyright 2008 Rob Swindell - http://www.synchro.net/copyright.html * ! 12: * * ! 13: * This library is free software; you can redistribute it and/or * ! 14: * modify it under the terms of the GNU Lesser General Public License * ! 15: * as published by the Free Software Foundation; either version 2 * ! 16: * of the License, or (at your option) any later version. * ! 17: * See the GNU Lesser General Public License for more details: lgpl.txt or * ! 18: * http://www.fsf.org/copyleft/lesser.html * ! 19: * * ! 20: * Anonymous FTP access to the most recent released source is available at * ! 21: * ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net * ! 22: * * ! 23: * Anonymous CVS access to the development source and modification history * ! 24: * is available at cvs.synchro.net:/cvsroot/sbbs, example: * ! 25: * cvs -d :pserver:[email protected]:/cvsroot/sbbs login * ! 26: * (just hit return, no password is necessary) * ! 27: * cvs -d :pserver:[email protected]:/cvsroot/sbbs checkout src * ! 28: * * ! 29: * For Synchronet coding style and modification guidelines, see * ! 30: * http://www.synchro.net/source.html * ! 31: * * ! 32: * You are encouraged to submit any modifications (preferably in Unix diff * ! 33: * format) via e-mail to [email protected] * ! 34: * * ! 35: * Note: If this box doesn't appear square, then you need to fix your tabs. * ! 36: ****************************************************************************/ ! 37: ! 38: #ifndef _XPDATETIME_H_ ! 39: #define _XPDATETIME_H_ ! 40: ! 41: #include "gen_defs.h" /* uint32_t and time_t */ ! 42: ! 43: #if defined(__cplusplus) ! 44: extern "C" { ! 45: #endif ! 46: ! 47: /**************************************/ ! 48: /* Cross-platform date/time functions */ ! 49: /**************************************/ ! 50: ! 51: #define INVALID_TIME (time_t)-1 /* time_t representation of an invalid date/time */ ! 52: ! 53: typedef struct { ! 54: unsigned year; /* 0-9999 */ ! 55: unsigned month; /* 1-12 */ ! 56: unsigned day; /* 1-31 */ ! 57: } xpDate_t; ! 58: ! 59: typedef struct { ! 60: unsigned hour; /* 0-23 */ ! 61: unsigned minute; /* 0-59 */ ! 62: float second; /* 0.0-59.999, supports fractional seconds */ ! 63: } xpTime_t; ! 64: ! 65: typedef int xpTimeZone_t; ! 66: #define xpTimeZone_UTC 0 ! 67: #define xpTimeZone_LOCAL 1 ! 68: ! 69: typedef struct { ! 70: xpDate_t date; ! 71: xpTime_t time; ! 72: xpTimeZone_t zone; /* minutes +/- UTC */ ! 73: } xpDateTime_t; ! 74: ! 75: xpDateTime_t xpDateTime_create(unsigned year, unsigned month, unsigned day ! 76: ,unsigned hour, unsigned minute, float second ! 77: ,xpTimeZone_t); ! 78: xpDateTime_t xpDateTime_now(void); ! 79: time_t xpDateTime_to_time(xpDateTime_t); ! 80: xpDateTime_t time_to_xpDateTime(time_t, xpTimeZone_t); ! 81: xpDateTime_t gmtime_to_xpDateTime(time_t); ! 82: xpTimeZone_t xpTimeZone_local(void); ! 83: ! 84: /**********************************************/ ! 85: /* Decimal-coded ISO-8601 date/time functions */ ! 86: /**********************************************/ ! 87: ! 88: typedef uint32_t isoDate_t; /* CCYYMMDD (decimal) */ ! 89: typedef uint32_t isoTime_t; /* HHMMSS (decimal) */ ! 90: ! 91: #define isoDate_create(year,mon,day) (((year)*10000)+((mon)*100)+(day)) ! 92: #define isoTime_create(hour,min,sec) (((hour)*10000)+((min)*100)+((unsigned)sec)) ! 93: ! 94: #define isoDate_year(date) ((date)/10000) ! 95: #define isoDate_month(date) (((date)/100)%100) ! 96: #define isoDate_day(date) ((date)%100) ! 97: ! 98: #define isoTime_hour(time) ((time)/10000) ! 99: #define isoTime_minute(time) (((time)/100)%100) ! 100: #define isoTime_second(time) ((time)%100) ! 101: ! 102: BOOL isoTimeZoneStr_parse(const char* str, xpTimeZone_t*); ! 103: xpDateTime_t isoDateTimeStr_parse(const char* str); ! 104: ! 105: /**************************************************************/ ! 106: /* Conversion between time_t (local and GMT) and isoDate/Time */ ! 107: /**************************************************************/ ! 108: isoTime_t time_to_isoTime(time_t); ! 109: isoTime_t gmtime_to_isoTime(time_t); ! 110: isoDate_t time_to_isoDateTime(time_t, isoTime_t*); ! 111: isoDate_t gmtime_to_isoDateTime(time_t, isoTime_t*); ! 112: time_t isoDateTime_to_time(isoDate_t, isoTime_t); ! 113: #define time_to_isoDate(t) time_to_isoDateTime(t,NULL) ! 114: #define gmtime_to_isoDate(t) gmtime_to_isoDateTime(t,NULL) ! 115: ! 116: /***************************************************/ ! 117: /* Conversion between xpDate/Time and isoDate/Time */ ! 118: /***************************************************/ ! 119: ! 120: #define xpDate_to_isoDate(date) isoDate_create((date).year,(date).month,(date).day) ! 121: #define xpTime_to_isoTime(time) isoTime_create((time).hour,(time).minute,(unsigned)((time).second)) ! 122: ! 123: xpDateTime_t isoDateTime_to_xpDateTime(isoDate_t, isoTime_t); ! 124: isoDate_t xpDateTime_to_isoDateTime(xpDateTime_t, isoTime_t*); ! 125: ! 126: /*****************************************************************/ ! 127: /* Conversion from xpDate/Time/Zone to isoDate/Time/Zone Strings */ ! 128: /*****************************************************************/ ! 129: ! 130: /* NULL sep (separator) values are automatically replaced with ISO-standard separators */ ! 131: ! 132: /* precision example output ! 133: * -2 "14" ! 134: * -1 "14:02" ! 135: * 0 "14:02:39" ! 136: * 1 "14.02:39.8" ! 137: * 2 "14.02:39.82" ! 138: * 3 "14.02:39.829" ! 139: */ ! 140: char* xpDate_to_isoDateStr(xpDate_t ! 141: ,const char* sep ! 142: ,char* str, size_t maxlen); ! 143: char* xpTime_to_isoTimeStr(xpTime_t ! 144: ,const char* sep ! 145: ,int precision ! 146: ,char* str, size_t maxlen); ! 147: char* xpTimeZone_to_isoTimeZoneStr(xpTimeZone_t ! 148: ,const char* sep ! 149: ,char *str, size_t maxlen); ! 150: char* xpDateTime_to_isoDateTimeStr(xpDateTime_t ! 151: ,const char* date_sep, const char* datetime_sep, const char* time_sep ! 152: ,int precision ! 153: ,char* str, size_t maxlen); ! 154: ! 155: #if defined(__cplusplus) ! 156: } ! 157: #endif ! 158: ! 159: #endif /* Don't add anything after this line */
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