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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  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 "wx/msw/wrapwin.h"
  33 #endif
  34
  35 #include "wx/msw/wince/time.h"
  36
  37 long timezone = 0;
  38
  39 // Hint: use GetSystemTime()
  40
  41 struct tm * __cdecl localtime(const time_t *)
  42 {
  43     // TODO
  44     return NULL;
  45
  46     // Possible implementation
  47 #if 0
  48   // Localtime for WinCE
  49   // By martin brown (mpatalberta@yahoo.com)
  50   // This is really stupid, converting FILETIME to timeval back and
  51   // forth.  It assumes FILETIME and DWORDLONG are the same structure
  52   // internally.
  53
  54  TIME_ZONE_INFORMATION pTz;
  55
  56  const unsigned short int __mon_yday[2][13] =
  57   {
  58      /* Normal years.  */
  59      { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
  60     /* Leap years.  */
  61      { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
  62    };
  63
  64
  65   ULARGE_INTEGER _100ns;
  66   ::GetTimeZoneInformation(&pTz);
  67
  68   // FIXME
  69   _100ns.QuadPart = (DWORDLONG) *t * 10000 * 1000 /* + ACE_Time_Value::FILETIME_to_timval_skew */;
  70   FILETIME file_time;
  71   file_time.dwLowDateTime = _100ns.LowPart;
  72   file_time.dwHighDateTime = _100ns.HighPart;
  73
  74   FILETIME localtime;
  75   SYSTEMTIME systime;
  76   FileTimeToLocalFileTime (&file_time, &localtime);
  77   FileTimeToSystemTime (&localtime, &systime);
  78
  79   res->tm_hour = systime.wHour;
  80
  81   if(pTz.DaylightBias!=0)
  82   {
  83  res->tm_isdst = 1;
  84   }
  85   else
  86   {
  87  res->tm_isdst = 1;
  88   }
  89
  90   int iLeap;
  91   iLeap = (res->tm_year % 4 == 0 && (res->tm_year% 100 != 0 || res->tm_year % 400 == 0));
  92   // based on leap select which group to use
  93
  94   res->tm_mday = systime.wDay;
  95   res->tm_min = systime.wMinute;
  96   res->tm_mon = systime.wMonth;
  97   res->tm_sec = systime.wSecond;
  98   res->tm_wday = systime.wDayOfWeek;
  99   res->tm_yday = __mon_yday[iLeap][systime.wMonth] + systime.wDay;
 100   res->tm_year = systime.wYear;// this the correct year but bias the value to start at the 1900
 101   res->tm_year = res->tm_year - 1900;
 102
 103   return res;
 104 #endif
 105 }
 106
 107 time_t __cdecl time(time_t *)
 108 {
 109     // TODO
 110     return 0;
 111 }
 112
 113 size_t __cdecl wcsftime(wchar_t *, size_t, const wchar_t *,
 114         const struct tm *)
 115 {
 116     // TODO
 117     return 0;
 118 }
 119
 120 time_t __cdecl mktime(struct tm *)
 121 {
 122     // TODO
 123     return 0;
 124 }
 125
 126 struct tm * __cdecl gmtime(const time_t *)
 127 {
 128     // TODO
 129     return NULL;
 130 }
 131