NetBSD/dist/ntp/libntp/prettydate.c

75 lines
1.5 KiB
C

/* $NetBSD: prettydate.c,v 1.1.1.1 2000/03/29 12:38:50 simonb Exp $ */
/*
* prettydate - convert a time stamp to something readable
*/
#include <stdio.h>
#include "ntp_fp.h"
#include "ntp_unixtime.h" /* includes <sys/time.h> */
#include "lib_strbuf.h"
#include "ntp_stdlib.h"
#ifndef TM_IN_SYS_TIME
#include <time.h>
#endif
static const char *months[] = {
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
};
static const char *days[] = {
"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
};
char *
prettydate(
l_fp *ts
)
{
char *bp;
struct tm *tm;
time_t sec;
u_long msec;
LIB_GETBUF(bp);
sec = ts->l_ui - JAN_1970;
msec = ts->l_uf / 4294967; /* fract / (2 ** 32 / 1000) */
tm = localtime(&sec);
(void) sprintf(bp, "%08lx.%08lx %s, %s %2d %4d %2d:%02d:%02d.%03lu",
(u_long)ts->l_ui, (u_long)ts->l_uf, days[tm->tm_wday],
months[tm->tm_mon], tm->tm_mday, 1900 + tm->tm_year,
tm->tm_hour,tm->tm_min, tm->tm_sec, msec);
return bp;
}
char *
gmprettydate(
l_fp *ts
)
{
char *bp;
struct tm *tm;
time_t sec;
u_long msec;
LIB_GETBUF(bp);
sec = ts->l_ui - JAN_1970;
msec = ts->l_uf / 4294967; /* fract / (2 ** 32 / 1000) */
tm = gmtime(&sec);
(void) sprintf(bp, "%08lx.%08lx %s, %s %2d %4d %2d:%02d:%02d.%03lu UTC",
(u_long)ts->l_ui, (u_long)ts->l_uf, days[tm->tm_wday],
months[tm->tm_mon], tm->tm_mday, 1900 + tm->tm_year,
tm->tm_hour,tm->tm_min, tm->tm_sec, msec);
return bp;
}