/contrib/ntp/libntp/tvtoa.c

 1/*
 2 * tvtoa - return an asciized representation of a struct timeval
 3 */
 4
 5#include "lib_strbuf.h"
 6
 7#if defined(VMS)
 8# include "ntp_fp.h"
 9#endif /* VMS */
10#include "ntp_stdlib.h"
11#include "ntp_unixtime.h"
12
13#include <stdio.h>
14
15char *
16tvtoa(
17	const struct timeval *tv
18	)
19{
20	register char *buf;
21	register u_long sec;
22	register u_long usec;
23	register int isneg;
24
25	if (tv->tv_sec < 0 || tv->tv_usec < 0) {
26		sec = -tv->tv_sec;
27		usec = -tv->tv_usec;
28		isneg = 1;
29	} else {
30		sec = tv->tv_sec;
31		usec = tv->tv_usec;
32		isneg = 0;
33	}
34
35	LIB_GETBUF(buf);
36
37	(void) sprintf(buf, "%s%lu.%06lu", (isneg?"-":""), sec, usec);
38	return buf;
39}