mirror of https://github.com/wb2osz/direwolf.git
53 lines
928 B
C
53 lines
928 B
C
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#include "textcolor.h"
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#include "dtime_now.h"
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/* Current time in seconds but more resolution than time(). */
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/* We don't care what date a 0 value represents because we */
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/* only use this to calculate elapsed real time. */
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#include <time.h>
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#if __WIN32__
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#include <windows.h>
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#endif
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double dtime_now (void)
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{
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double result;
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#if __WIN32__
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/* 64 bit integer is number of 100 nanosecond intervals from Jan 1, 1601. */
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FILETIME ft;
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GetSystemTimeAsFileTime (&ft);
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result = ((( (double)ft.dwHighDateTime * (256. * 256. * 256. * 256.) +
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(double)ft.dwLowDateTime ) / 10000000.) - 11644473600.);
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#else
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/* tv_sec is seconds from Jan 1, 1970. */
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struct timespec ts;
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clock_gettime (CLOCK_REALTIME, &ts);
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result = ((double)(ts.tv_sec) + (double)(ts.tv_nsec) * 0.000000001);
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#endif
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#if DEBUG
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text_color_set(DW_COLOR_DEBUG);
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dw_printf ("dtime_now() returns %.3f\n", result );
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#endif
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return (result);
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}
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