win32/time.c

   1 /*
   2  * Win32 kernel functions
   3  *
   4  * Copyright 1995 Martin von Loewis and Cameron Heide
   5  */
   6
   7 #include <string.h>
   8 #include <time.h>
   9 #include <sys/time.h>
  10 #include <unistd.h>
  11 #include "windows.h"
  12 #include "winerror.h"
  13 #include "kernel32.h"
  14 #include "stddebug.h"
  15 #include "debug.h"
  16
  17 /***********************************************************************
  18  *              GetLocalTime            (KERNEL32.228)
  19  */
  20 VOID GetLocalTime(LPSYSTEMTIME systime)
  21 {
  22     time_t local_time;
  23     struct tm *local_tm;
  24     struct timeval tv;
  25
  26     gettimeofday(&tv, NULL);
  27     local_time = tv.tv_sec;
  28     local_tm = localtime(&local_time);
  29
  30     systime->wYear = local_tm->tm_year + 1900;
  31     systime->wMonth = local_tm->tm_mon + 1;
  32     systime->wDayOfWeek = local_tm->tm_wday;
  33     systime->wDay = local_tm->tm_mday;
  34     systime->wHour = local_tm->tm_hour;
  35     systime->wMinute = local_tm->tm_min;
  36     systime->wSecond = local_tm->tm_sec;
  37     systime->wMilliseconds = (tv.tv_usec / 1000) % 1000;
  38 }
  39
  40 /***********************************************************************
  41  *              GetSystemTime            (KERNEL32.285)
  42  */
  43 VOID GetSystemTime(LPSYSTEMTIME systime)
  44 {
  45     time_t local_time;
  46     struct tm *local_tm;
  47     struct timeval tv;
  48
  49     gettimeofday(&tv, NULL);
  50     local_time = tv.tv_sec;
  51     local_tm = gmtime(&local_time);
  52
  53     systime->wYear = local_tm->tm_year + 1900;
  54     systime->wMonth = local_tm->tm_mon + 1;
  55     systime->wDayOfWeek = local_tm->tm_wday;
  56     systime->wDay = local_tm->tm_mday;
  57     systime->wHour = local_tm->tm_hour;
  58     systime->wMinute = local_tm->tm_min;
  59     systime->wSecond = local_tm->tm_sec;
  60     systime->wMilliseconds = (tv.tv_usec / 1000) % 1000;
  61 }
  62
  63 /***********************************************************************
  64  *              GetTimeZoneInformation  (KERNEL32.302)
  65  */
  66 DWORD GetTimeZoneInformation(LPTIME_ZONE_INFORMATION tzinfo)
  67 {
  68     time_t gmt, lt;
  69
  70     memset(tzinfo, 0, sizeof(TIME_ZONE_INFORMATION));
  71
  72     gmt = time(NULL);
  73     lt = mktime(localtime(&gmt));
  74     tzinfo->Bias = (gmt - lt) / 60;
  75     tzinfo->StandardBias = 0;
  76     tzinfo->DaylightBias = -60;
  77
  78     return TIME_ZONE_ID_UNKNOWN;
  79 }
  80
  81 /***********************************************************************
  82  *              Sleep  (KERNEL32.523)
  83  */
  84 VOID Sleep(DWORD cMilliseconds)
  85 {
  86     if(cMilliseconds == INFINITE)
  87         while(1) sleep(1000); /* Spin forever */
  88     usleep(cMilliseconds*1000);
  89 }