ports/winnt/libntp/SetSystemTime.c

   1
   2 #include "clockstuff.h"
   3 #include "ntp_stdlib.h"
   4
   5 const char *    set_tod_using = "SetSystemTime";
   6
   7 int
   8 ntp_set_tod(
   9         struct timeval *tv,
  10         void *tzp
  11         )
  12 {
  13         SYSTEMTIME st;
  14         struct tm *gmtm;
  15         const time_t x = tv->tv_sec;
  16         long y = tv->tv_usec;
  17         (void) tzp;
  18
  19         gmtm = gmtime(&x);
  20         st.wSecond              = (WORD) gmtm->tm_sec;
  21         st.wMinute              = (WORD) gmtm->tm_min;
  22         st.wHour                = (WORD) gmtm->tm_hour;
  23         st.wDay                 = (WORD) gmtm->tm_mday;
  24         st.wMonth               = (WORD) (gmtm->tm_mon  + 1);
  25         st.wYear                = (WORD) (gmtm->tm_year + 1900);
  26         st.wDayOfWeek           = (WORD) gmtm->tm_wday;
  27         st.wMilliseconds        = (WORD) (y / 1000);
  28
  29         if (!SetSystemTime(&st)) {
  30                 msyslog(LOG_ERR, "SetSystemTime failed: %m\n");
  31                 return -1;
  32         }
  33         return 0;
  34 }