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1.1 root 1: /* datewrap.h */
2:
3: /* Wrappers for Borland getdate() and gettime() functions */
4:
5: /* $Id: datewrap.h,v 1.17 2005/09/28 02:09:54 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 2005 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 _DATEWRAP_H_
39: #define _DATEWRAP_H_
40:
41: #include "genwrap.h" /* time_t */
42:
43: /* Compensates for struct tm "weirdness" */
44: time_t sane_mktime(struct tm*);
45:
46: /**************************************/
47: /* Cross-platform date/time functions */
48: /**************************************/
49:
50: typedef struct {
51: unsigned year;
52: unsigned month;
53: unsigned day;
54: } xpDate_t;
55:
56: typedef struct {
57: unsigned hour;
58: unsigned minute;
59: float second; /* supports fractional seconds */
60: } xpTime_t;
61:
62: typedef int xpTimeZone_t;
63:
64: typedef struct {
65: xpDate_t date;
66: xpTime_t time;
67: xpTimeZone_t zone; /* minutes +/- UTC */
68: } xpDateTime_t;
69:
70: xpDateTime_t xpDateTime_create(unsigned year, unsigned month, unsigned day
71: ,unsigned hour, unsigned minute, float second
72: ,xpTimeZone_t);
73: xpDateTime_t xpDateTime_now(void);
74: time_t xpDateTime_to_time(xpDateTime_t);
75: xpDateTime_t time_to_xpDateTime(time_t);
76: xpTimeZone_t xpTimeZone_local(void);
77:
78: /**********************************************/
79: /* Decimal-coded ISO-8601 date/time functions */
80: /**********************************************/
81:
82: typedef ulong isoDate_t; /* CCYYMMDD (decimal) */
83: typedef ulong isoTime_t; /* HHMMSS (decimal) */
84:
85: #define isoDate_create(year,mon,day) (((year)*10000)+((mon)*100)+(day))
86: #define isoTime_create(hour,min,sec) (((hour)*10000)+((min)*100)+((unsigned)sec))
87:
88: #define isoDate_year(date) ((date)/10000)
89: #define isoDate_month(date) (((date)/100)%100)
90: #define isoDate_day(date) ((date)%100)
91:
92: #define isoTime_hour(time) ((time)/10000)
93: #define isoTime_minute(time) (((time)/100)%100)
94: #define isoTime_second(time) ((time)%100)
95:
96: BOOL isoTimeZone_parse(const char* str, xpTimeZone_t*);
97: xpDateTime_t isoDateTime_parse(const char* str);
98:
99: /**********************************************/
100: /* Conversion between time_t and isoDate/Time */
101: /**********************************************/
102: isoTime_t time_to_isoTime(time_t);
103: isoDate_t time_to_isoDateTime(time_t, isoTime_t*);
104: time_t isoDateTime_to_time(isoDate_t, isoTime_t);
105: #define time_to_isoDate(t) time_to_isoDateTime(t,NULL)
106:
107: /***************************************************/
108: /* Conversion between xpDate/Time and isoDate/Time */
109: /***************************************************/
110:
111: #define xpDate_to_isoDate(date) isoDate_create((date).year,(date).month,(date).day)
112: #define xpTime_to_isoTime(time) isoTime_create((time).hour,(time).minute,(unsigned)((time).second))
113:
114: xpDateTime_t isoDateTime_to_xpDateTime(isoDate_t, isoTime_t);
115: isoDate_t xpDateTime_to_isoDateTime(xpDateTime_t, isoTime_t*);
116:
117: /***********************************/
118: /* Borland DOS date/time functions */
119: /***********************************/
120:
121: #if defined(__BORLANDC__)
122:
123: #include <dos.h>
124:
125: #else
126:
127: struct date {
128: short da_year;
129: char da_day;
130: char da_mon;
131: };
132:
133: struct time {
134: unsigned char ti_min;
135: unsigned char ti_hour;
136: unsigned char ti_hund;
137: unsigned char ti_sec;
138: };
139:
140: #if defined(__cplusplus)
141: extern "C" {
142: #endif
143:
144: #define getdate(x) xp_getdate(x)
145: void xp_getdate(struct date*);
146: void gettime(struct time*);
147:
148: #if defined(__cplusplus)
149: }
150: #endif
151:
152: #endif /* !Borland */
153:
154: #endif /* Don't add anything after this line */
155:
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