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22 <div class=
"contents">
23 <h1>time.h
</h1><a href=
"time_8h.html">Go to the documentation of this file.
</a><div class=
"fragment"><pre class=
"fragment"><a name=
"l00001"></a>00001 <span class=
"comment">///
</span>
24 <a name=
"l00002"></a>00002 <span class=
"comment"></span><span class=
"comment">/// \file time.h
</span>
25 <a name=
"l00003"></a>00003 <span class=
"comment"></span><span class=
"comment">/// Time related conversion routines.
</span>
26 <a name=
"l00004"></a>00004 <span class=
"comment"></span><span class=
"comment">/// time_t is the POSIX time.
</span>
27 <a name=
"l00005"></a>00005 <span class=
"comment"></span><span class=
"comment">/// min1900_t is the minutes from Jan
1,
1900</span>
28 <a name=
"l00006"></a>00006 <span class=
"comment"></span><span class=
"comment">///
</span>
29 <a name=
"l00007"></a>00007 <span class=
"comment"></span>
30 <a name=
"l00008"></a>00008 <span class=
"comment">/*
</span>
31 <a name=
"l00009"></a>00009 <span class=
"comment"> Copyright (C)
2005-
2009, Net Direct Inc. (http://www.netdirect.ca/)
</span>
32 <a name=
"l00010"></a>00010 <span class=
"comment"></span>
33 <a name=
"l00011"></a>00011 <span class=
"comment"> This program is free software; you can redistribute it and/or modify
</span>
34 <a name=
"l00012"></a>00012 <span class=
"comment"> it under the terms of the GNU General Public License as published by
</span>
35 <a name=
"l00013"></a>00013 <span class=
"comment"> the Free Software Foundation; either version
2 of the License, or
</span>
36 <a name=
"l00014"></a>00014 <span class=
"comment"> (at your option) any later version.
</span>
37 <a name=
"l00015"></a>00015 <span class=
"comment"></span>
38 <a name=
"l00016"></a>00016 <span class=
"comment"> This program is distributed in the hope that it will be useful,
</span>
39 <a name=
"l00017"></a>00017 <span class=
"comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of
</span>
40 <a name=
"l00018"></a>00018 <span class=
"comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
</span>
41 <a name=
"l00019"></a>00019 <span class=
"comment"></span>
42 <a name=
"l00020"></a>00020 <span class=
"comment"> See the GNU General Public License in the COPYING file at the
</span>
43 <a name=
"l00021"></a>00021 <span class=
"comment"> root directory of this project for more details.
</span>
44 <a name=
"l00022"></a>00022 <span class=
"comment">*/
</span>
45 <a name=
"l00023"></a>00023
46 <a name=
"l00024"></a>00024 <span class=
"preprocessor">#ifndef __BARRY_TIME_H__
</span>
47 <a name=
"l00025"></a>00025 <span class=
"preprocessor"></span><span class=
"preprocessor">#define __BARRY_TIME_H__
</span>
48 <a name=
"l00026"></a>00026 <span class=
"preprocessor"></span>
49 <a name=
"l00027"></a>00027 <span class=
"preprocessor">#include
"<a class="code
" href="dll_8h.html
" title="Macros for handling DLL/library API visibility.
">dll.h</a>"</span>
50 <a name=
"l00028"></a>00028 <span class=
"preprocessor">#include
<sys/time.h
></span> <span class=
"comment">// for struct timespec
</span>
51 <a name=
"l00029"></a>00029 <span class=
"preprocessor">#include
<<a class=
"code" href=
"time_8h.html" title=
"Time related conversion routines.">time.h
</a>></span>
52 <a name=
"l00030"></a>00030 <span class=
"preprocessor">#include
<stdint.h
></span>
53 <a name=
"l00031"></a>00031
54 <a name=
"l00032"></a>00032 <span class=
"comment">//
</span>
55 <a name=
"l00033"></a>00033 <span class=
"comment">// Calculate the number of minutes between Jan
01,
1900 and Jan
01,
1970</span>
56 <a name=
"l00034"></a>00034 <span class=
"comment">//
</span>
57 <a name=
"l00035"></a>00035 <span class=
"comment">// There are
17 leap years between
1900 and
1970</span>
58 <a name=
"l00036"></a>00036 <span class=
"comment">// (
1969-
1900) /
4 =
17.25</span>
59 <a name=
"l00037"></a>00037 <span class=
"comment">//
</span>
60 <a name=
"l00038"></a>00038 <span class=
"comment">//
1900 itself is not a leap year (not divisible by
400)
</span>
61 <a name=
"l00039"></a>00039 <span class=
"comment">//
</span>
62 <a name=
"l00040"></a>00040 <span class=
"preprocessor">#define DAY_MINUTES (
24 *
60)
</span>
63 <a name=
"l00041"></a>00041 <span class=
"preprocessor"></span><span class=
"preprocessor">#define YEAR_MINUTES (
365 * DAY_MINUTES)
</span>
64 <a name=
"l00042"></a>00042 <span class=
"preprocessor"></span><span class=
"preprocessor">#define LEAP_YEAR_COUNT ((
1970-
1901) /
4)
</span>
65 <a name=
"l00043"></a>00043 <span class=
"preprocessor"></span><span class=
"preprocessor">#define YEAR_COUNT (
1970 -
1900)
</span>
66 <a name=
"l00044"></a>00044 <span class=
"preprocessor"></span>
67 <a name=
"l00045"></a>00045 <span class=
"comment">// therefore, the difference between standard C's time and min1900_t's
</span>
68 <a name=
"l00046"></a>00046 <span class=
"comment">// time in minutes:
</span>
69 <a name=
"l00047"></a>00047 <span class=
"preprocessor">#define STDC_MIN1900_DIFF (YEAR_COUNT * YEAR_MINUTES + LEAP_YEAR_COUNT * DAY_MINUTES)
</span>
70 <a name=
"l00048"></a>00048 <span class=
"preprocessor"></span>
71 <a name=
"l00049"></a>00049 <span class=
"keyword">namespace
</span>Barry {
72 <a name=
"l00050"></a>00050
73 <a name=
"l00051"></a>00051 <span class=
"keyword">typedef
</span> <span class=
"keywordtype">long
</span> min1900_t;
74 <a name=
"l00052"></a>00052
75 <a name=
"l00053"></a>00053 BXEXPORT min1900_t time2min(time_t t);
76 <a name=
"l00054"></a>00054 BXEXPORT time_t min2time(min1900_t m);
77 <a name=
"l00055"></a>00055
78 <a name=
"l00056"></a>00056 <span class=
"comment">// FIXME - turn TimeZone into a C typedef and wrap this in extern
"C"</span>
79 <a name=
"l00057"></a>00057 <span class=
"comment">// so the data can be used in both C and C++ libraries
</span>
80 <a name=
"l00058"></a>00058 <span class=
"keyword">struct
</span>BXEXPORT TimeZone
81 <a name=
"l00059"></a>00059 {
82 <a name=
"l00060"></a>00060 <span class=
"keywordtype">unsigned
</span> <span class=
"keywordtype">short
</span> Code;
83 <a name=
"l00061"></a>00061 <span class=
"keywordtype">signed
</span> <span class=
"keywordtype">short
</span> HourOffset;
84 <a name=
"l00062"></a>00062 <span class=
"keywordtype">signed
</span> <span class=
"keywordtype">short
</span> MinOffset;
85 <a name=
"l00063"></a>00063 <span class=
"keyword">const
</span> <span class=
"keywordtype">char
</span> *Name;
86 <a name=
"l00064"></a>00064 };
87 <a name=
"l00065"></a>00065
88 <a name=
"l00066"></a>00066 <span class=
"comment">// FIXME - put this somewhere for both C and C++
</span>
89 <a name=
"l00067"></a>00067 <span class=
"preprocessor">#define TIME_ZONE_CODE_ERR
0xffff</span>
90 <a name=
"l00068"></a>00068 <span class=
"preprocessor"></span>
91 <a name=
"l00069"></a>00069 BXEXPORT
<span class=
"keyword">const
</span> TimeZone*
<a class=
"code" href=
"namespaceBarry.html#b664177c654a0cb41bc8fc40b39eabda" title=
"Returns a pointer to an array of TimeZone structs.">GetTimeZoneTable
</a>();
92 <a name=
"l00070"></a>00070 BXEXPORT
<span class=
"keyword">const
</span> TimeZone*
<a class=
"code" href=
"namespaceBarry.html#8b42d46bf7b5cb8f4d9e0bde1d61f226" title=
"Searches the internal timezone code table for the given Code and returns a pointer...">GetTimeZone
</a>(
<span class=
"keywordtype">unsigned
</span> <span class=
"keywordtype">short
</span> Code);
93 <a name=
"l00071"></a>00071 BXEXPORT
<span class=
"keywordtype">unsigned
</span> <span class=
"keywordtype">short
</span> <a class=
"code" href=
"namespaceBarry.html#56ac220ad3edcfbefcebb35c685212d1" title=
"Searches the internal timezone table for the first matching Code.">GetTimeZoneCode
</a>(
<span class=
"keywordtype">signed
</span> <span class=
"keywordtype">short
</span> HourOffset,
94 <a name=
"l00072"></a>00072 <span class=
"keywordtype">signed
</span> <span class=
"keywordtype">short
</span> MinOffset =
0);
95 <a name=
"l00073"></a>00073
96 <a name=
"l00074"></a>00074 <span class=
"comment">// Message time conversion stuff
</span>
97 <a name=
"l00075"></a>00075 BXEXPORT time_t
<a class=
"code" href=
"namespaceBarry.html#30255c53ebed390fc98a50e9c5d49984" title=
"This routine takes the day of the year and returns a time_t adjusted from the first...">DayToDate
</a>(
<span class=
"keywordtype">unsigned
</span> <span class=
"keywordtype">short
</span> Day );
98 <a name=
"l00076"></a>00076 BXEXPORT time_t
<a class=
"code" href=
"namespaceBarry.html#2f4e6ee9d4afc6a26ae0166329609600" title=
"Localize the funky math used to convert a Blackberry message timestamp into a time_t...">Message2Time
</a>(uint16_t r_date, uint16_t r_time);
99 <a name=
"l00077"></a>00077
100 <a name=
"l00078"></a>00078 <span class=
"comment">// Thread timeout creation
</span>
101 <a name=
"l00079"></a>00079 BXEXPORT
<span class=
"keyword">struct
</span>timespec*
<a class=
"code" href=
"namespaceBarry.html#0e1dc80f82d25739631c39b545f812bb" title=
"Creates a pthread_cond_timedwait() compatible timespec struct, based on a given timeout...">ThreadTimeout
</a>(
<span class=
"keywordtype">int
</span> timeout_ms,
<span class=
"keyword">struct
</span> timespec *spec);
102 <a name=
"l00080"></a>00080
103 <a name=
"l00081"></a>00081 }
<span class=
"comment">// namespace Barry
</span>
104 <a name=
"l00082"></a>00082
105 <a name=
"l00083"></a>00083 <span class=
"preprocessor">#endif
</span>
106 <a name=
"l00084"></a>00084 <span class=
"preprocessor"></span>
108 <hr size=
"1"><address style=
"text-align: right;"><small>Generated on Sat Aug
29 00:
01:
53 2009 for Barry by
109 <a href=
"http://www.doxygen.org/index.html">
110 <img src=
"doxygen.png" alt=
"doxygen" align=
"middle" border=
"0"></a> 1.5.6 </small></address>