freebsd-dev/contrib/ntp/libntp/tvtoa.c

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/*
* tvtoa - return an asciized representation of a struct timeval
*/
#include "lib_strbuf.h"
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#if defined(VMS)
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# include "ntp_fp.h"
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#endif /* VMS */
#include "ntp_stdlib.h"
#include "ntp_unixtime.h"
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#include <stdio.h>
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char *
tvtoa(
const struct timeval *tv
)
{
register char *buf;
register u_long sec;
register u_long usec;
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;
}