src/time.cc

   1 ///
   2 /// \file       time.cc
   3 ///             Conversion between time_t and cenmin_t and back.
   4 ///             time_t is the POSIX time, seconds from Jan 1, 1970
   5 ///             min1900_t is the minutes from Jan 1, 1900
   6 ///
   7
   8 /*
   9     Copyright (C) 2005-2006, Net Direct Inc. (http://www.netdirect.ca/)
  10
  11     This program is free software; you can redistribute it and/or modify
  12     it under the terms of the GNU General Public License as published by
  13     the Free Software Foundation; either version 2 of the License, or
  14     (at your option) any later version.
  15
  16     This program is distributed in the hope that it will be useful,
  17     but WITHOUT ANY WARRANTY; without even the implied warranty of
  18     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  19
  20     See the GNU General Public License in the COPYING file at the
  21     root directory of this project for more details.
  22 */
  23
  24 #include "time.h"
  25
  26
  27
  28 #ifdef __TEST_MODE__
  29
  30 #include <iostream>
  31 #include <iomanip>
  32
  33 using namespace std;
  34 using namespace Barry;
  35
  36 void display(const char *msg, time_t t)
  37 {
  38         cout << msg << ": " << ctime(&t);
  39         cout << msg << " seconds: "
  40                 << setbase(10) << t
  41                 << "(0x" << setbase(16) << t << ")"
  42                 << endl;
  43         cout << msg << " minutes: "
  44                 << setbase(10) << (t/60)
  45                 << "(0x" << setbase(16) << (t/60) << ")"
  46                 << endl;
  47         cout << endl;
  48 }
  49
  50 void calc(const char *msg, time_t t, min1900_t dbval)
  51 {
  52         cout << msg << endl;
  53         display("    Initial time", t);
  54         display("    DB Val", min2time(dbval));
  55 }
  56
  57 int main()
  58 {
  59         struct tm start;
  60         time_t t;
  61
  62         // set to Oct 4, 2005, 2pm;
  63         start.tm_sec = 0;
  64         start.tm_min = 0;
  65         start.tm_hour = 14;
  66         start.tm_mday = 4;
  67         start.tm_mon = 9;
  68         start.tm_year = 105;
  69         start.tm_isdst = -1;
  70         t = mktime(&start);
  71         calc("Oct 4", t, 0x0350c118);
  72
  73         // comparison
  74         t = time(NULL);
  75         min1900_t m = time2min(t);
  76         time_t tc = min2time(m);
  77         cout << "Original time: " << t << endl;
  78         cout << "time2min:      " << m << endl;
  79         cout << "min2time:      " << tc << endl;
  80         if( t == (tc + t % 60) )
  81                 cout << "Success! (orig == converted + mod)" << endl;
  82         else
  83                 cout << "Failed!" << endl;
  84 }
  85
  86 #endif
  87