release/src/router/libncurses/ncurses/win32con/gettimeofday.c

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  28
  29 #define WINVER 0x0501
  30
  31 #include <curses.priv.h>
  32
  33 #include <windows.h>
  34
  35 MODULE_ID("$Id: gettimeofday.c,v 1.2 2010/01/16 15:18:51 tom Exp $")
  36
  37 #define JAN1970 116444736000000000LL    /* the value for 01/01/1970 00:00 */
  38
  39 int
  40 gettimeofday(struct timeval *tv, void *tz GCC_UNUSED)
  41 {
  42     union {
  43         FILETIME ft;
  44         long long since1601;    /* time since 1 Jan 1601 in 100ns units */
  45     } data;
  46
  47     GetSystemTimeAsFileTime(&data.ft);
  48     tv->tv_usec = (long) ((data.since1601 / 10LL) % 1000000LL);
  49     tv->tv_sec = (long) ((data.since1601 - JAN1970) / 10000000LL);
  50     return (0);
  51 }