src/msw/wince/time.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/wince/time.cpp
   3 // Purpose:     Implements missing time functionality for WinCE
   4 // Author:
   5 // Modified by:
   6 // Created:     2003-07-10
   7 // RCS-ID:      $Id$
   8 // Copyright:
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ===========================================================================
  13 // declarations
  14 // ===========================================================================
  15
  16 // ---------------------------------------------------------------------------
  17 // headers
  18 // ---------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "window.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include <windows.h>
  33     #include "wx/msw/winundef.h"
  34 #endif
  35
  36 #include "wx/msw/wince/time.h"
  37
  38 long timezone = 0;
  39
  40 // Hint: use GetSystemTime()
  41
  42 struct tm * __cdecl localtime(const time_t *)
  43 {
  44     // TODO
  45     return NULL;
  46
  47     // Possible implementation
  48 #if 0
  49   // Localtime for WinCE
  50   // By martin brown (mpatalberta@yahoo.com)
  51   // This is really stupid, converting FILETIME to timeval back and
  52   // forth.  It assumes FILETIME and DWORDLONG are the same structure
  53   // internally.
  54
  55  TIME_ZONE_INFORMATION pTz;
  56
  57  const unsigned short int __mon_yday[2][13] =
  58   {
  59      /* Normal years.  */
  60      { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
  61     /* Leap years.  */
  62      { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
  63    };
  64
  65
  66   ULARGE_INTEGER _100ns;
  67   ::GetTimeZoneInformation(&pTz);
  68
  69   // FIXME
  70   _100ns.QuadPart = (DWORDLONG) *t * 10000 * 1000 /* + ACE_Time_Value::FILETIME_to_timval_skew */;
  71   FILETIME file_time;
  72   file_time.dwLowDateTime = _100ns.LowPart;
  73   file_time.dwHighDateTime = _100ns.HighPart;
  74
  75   FILETIME localtime;
  76   SYSTEMTIME systime;
  77   FileTimeToLocalFileTime (&file_time, &localtime);
  78   FileTimeToSystemTime (&localtime, &systime);
  79
  80   res->tm_hour = systime.wHour;
  81
  82   if(pTz.DaylightBias!=0)
  83   {
  84  res->tm_isdst = 1;
  85   }
  86   else
  87   {
  88  res->tm_isdst = 1;
  89   }
  90
  91   int iLeap;
  92   iLeap = (res->tm_year % 4 == 0 && (res->tm_year% 100 != 0 || res->tm_year % 400 == 0));
  93   // based on leap select which group to use
  94
  95   res->tm_mday = systime.wDay;
  96   res->tm_min = systime.wMinute;
  97   res->tm_mon = systime.wMonth;
  98   res->tm_sec = systime.wSecond;
  99   res->tm_wday = systime.wDayOfWeek;
 100   res->tm_yday = __mon_yday[iLeap][systime.wMonth] + systime.wDay;
 101   res->tm_year = systime.wYear;// this the correct year but bias the value to start at the 1900
 102   res->tm_year = res->tm_year - 1900;
 103
 104   return res;
 105 #endif
 106 }
 107
 108 time_t __cdecl time(time_t *)
 109 {
 110     // TODO
 111     return 0;
 112 }
 113
 114 size_t __cdecl wcsftime(wchar_t *, size_t, const wchar_t *,
 115         const struct tm *)
 116 {
 117     // TODO
 118     return 0;
 119 }
 120
 121 time_t __cdecl mktime(struct tm *)
 122 {
 123     // TODO
 124     return 0;
 125 }
 126
 127 struct tm * __cdecl gmtime(const time_t *)
 128 {
 129     // TODO
 130     return NULL;
 131 }
 132