reactos/sdk/lib/crt/time/clock.c

31 lines
712 B
C

/*
* COPYRIGHT: LGPL, See LGPL.txt in the top level directory
* PROJECT: ReactOS CRT library
* FILE: lib/sdk/crt/time/clock.c
* PURPOSE: Implementation of clock()
* PROGRAMER: Timo Kreuzer
*/
#include <precomp.h>
ULARGE_INTEGER g_StartupTime;
void
initclock(void)
{
GetSystemTimeAsFileTime((FILETIME*)&g_StartupTime);
}
/******************************************************************************
* \name clock
* \brief Returns the current process's elapsed time.
*/
clock_t
clock(void)
{
ULARGE_INTEGER Time;
GetSystemTimeAsFileTime((FILETIME*)&Time);
Time.QuadPart -= g_StartupTime.QuadPart;
return (clock_t)FileTimeToUnixTime((FILETIME*)&Time, NULL);
};