41 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			41 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #include <sys/types.h>
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| #ifdef __WINDOWS__
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| #define WINDOWS_LEAN_AND_MEAN 1
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| #include <windows.h>
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| #else
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| #include <sys/time.h>
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| #endif
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| #include "taia.h"
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| 
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| /* XXX: breaks tai encapsulation */
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| 
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|     /*-------------------------------------------------------------------------
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|     * The Microsoft Win32 API can return the current system time in "file
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|     * timestamp" format, which is a 64-bit value representing the number of
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|     * 100-nanosecond ticks since {AD1601-01-01 00:00:00 Z}.
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|     * 11644473600 is seconds offset AD1601 to AD1970
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|     *------------------------------------------------------------------------*/
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| 
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| void taia_now(struct taia *t)
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| {
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| #ifdef __WINDOWS__
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|   FILETIME ft;
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|   int64_t cns;				/* 100ns ticks */
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| 
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|   /* Get the current system time */
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|   GetSystemTimeAsFileTime(&ft);
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| 
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|   /* Convert to longtime_t form */
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|   cns = ((int64_t)ft.dwHighDateTime << 32) + ft.dwLowDateTime;
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|   t->sec.x = cns/10000000 - 11644473600 + ULL(4611686018427387914);
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|   t->nano  = (long)((cns % 10000000))*100;
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|   t->atto  = 0;
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| #else
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|   struct timeval now;
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|   gettimeofday(&now,(struct timezone *) 0);
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|   t->sec.x = ULL(4611686018427387914) + (uint64_t) now.tv_sec;
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|   t->nano = 1000 * now.tv_usec + 500;
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|   t->atto = 0;
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| #endif
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| }
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