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[Win32] Use GetSystemTimeAsFileTime() instead of time() and

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2005-03-29  Tor Lillqvist  <tml@novell.com>

	* glib/gmain.c (g_get_current_time): [Win32] Use
	GetSystemTimeAsFileTime() instead of time() and
	GetTickCount(). Much simpler.
This commit is contained in:
Tor Lillqvist
2005-03-29 08:24:48 +00:00
committed by Tor Lillqvist
parent 52013430a4
commit 8ced6d2478
5 changed files with 23 additions and 22 deletions
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29
glib/gmain.c
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@@ -1689,26 +1689,19 @@ g_get_current_time (GTimeVal *result)
result->tv_sec = r.tv_sec;
result->tv_usec = r.tv_usec;
#else
/* Avoid calling time() except for the first time.
* GetTickCount() should be pretty fast and low-level?
* I could also use ftime() but it seems unnecessarily overheady.
FILETIME ft;
guint64 *time64 = (guint64 *) &ft;
GetSystemTimeAsFileTime (&ft);
/* Convert from 100s of nanoseconds since 1601-01-01
* to Unix epoch. Yes, this is Y2038 unsafe.
*/
static DWORD start_tick = 0;
static time_t start_time;
DWORD tick;
*time64 -= G_GINT64_CONSTANT (116444736000000000);
*time64 /= 10;
g_return_if_fail (result != NULL);
if (start_tick == 0)
{
start_tick = GetTickCount ();
time (&start_time);
}
tick = GetTickCount ();
result->tv_sec = (tick - start_tick) / 1000 + start_time;
result->tv_usec = ((tick - start_tick) % 1000) * 1000;
result->tv_sec = *time64 / 1000000;
result->tv_usec = *time64 % 1000000;
#endif
}