freebsd-dev/usr.sbin/xntpd/lib/tvtoa.c

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/*
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* tvtoa - return an asciized representation of a struct timeval
*/
#include <stdio.h>
#include <sys/time.h>
#include "lib_strbuf.h"
#include "ntp_stdlib.h"
char *
tvtoa(tv)
struct timeval *tv;
{
register char *buf;
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register u_long sec;
register u_long usec;
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register int isneg;
if (tv->tv_sec < 0 || tv->tv_usec < 0) {
sec = -tv->tv_sec;
usec = -tv->tv_usec;
isneg = 1;
} else {
sec = tv->tv_sec;
usec = tv->tv_usec;
isneg = 0;
}
LIB_GETBUF(buf);
(void) sprintf(buf, "%s%lu.%06lu", (isneg?"-":""), sec, usec);
return buf;
}