buftvtots.c revision 290001 
1202719Sgabor/*
2202719Sgabor * buftvtots - pull a Unix-format (struct timeval) time stamp out of
3202719Sgabor *	       an octet stream and convert it to a l_fp time stamp.
4202719Sgabor *	       This is useful when using the clock line discipline.
5202719Sgabor */
6202719Sgabor
7202719Sgabor#ifdef HAVE_CONFIG_H
8202719Sgabor#include "config.h"
9202719Sgabor#endif
10202719Sgabor#include "ntp_fp.h"
11202719Sgabor#include "ntp_string.h"
12202719Sgabor#include "timevalops.h"
13202719Sgabor
14202719Sgabor#ifndef SYS_WINNT
15202719Sgaborint
16202719Sgaborbuftvtots(
17202719Sgabor	const char *bufp,
18202719Sgabor	l_fp *ts
19202719Sgabor	)
20202719Sgabor{
21202719Sgabor	struct timeval tv;
22202719Sgabor
23202719Sgabor	/*
24202719Sgabor	 * copy to adhere to alignment restrictions
25202719Sgabor	 */
26202719Sgabor	memcpy(&tv, bufp, sizeof(tv));
27202719Sgabor
28202719Sgabor	/*
29202719Sgabor	 * and use it
30202719Sgabor	 */
31202719Sgabor	if (tv.tv_usec > MICROSECONDS - 1)
32202719Sgabor		return FALSE;
33202719Sgabor
34202719Sgabor	*ts = tval_stamp_to_lfp(tv);
35202719Sgabor
36202719Sgabor	return TRUE;
37202719Sgabor}
38202719Sgabor#endif	/* !SYS_WINNT */
39202719Sgabor