NetBSD/dist/ntp/libntp/humandate.c

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/* $NetBSD: humandate.c,v 1.2 2003/12/04 16:23:36 drochner Exp $ */
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/*
* humandate - convert an NTP (or the current) time to something readable
*/
#include <stdio.h>
#include "ntp_fp.h"
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#include "ntp_unixtime.h" /* includes <sys/time.h> and <time.h> */
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#include "lib_strbuf.h"
#include "ntp_stdlib.h"
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 *
humandate(
u_long ntptime
)
{
char *bp;
struct tm *tm;
time_t sec;
sec = ntptime - JAN_1970;
tm = localtime(&sec);
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if (!tm)
return "--- --- -- ---- --:--:--";
LIB_GETBUF(bp);
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(void) sprintf(bp, "%s, %s %2d %4d %2d:%02d:%02d",
days[tm->tm_wday], months[tm->tm_mon], tm->tm_mday,
1900+tm->tm_year, tm->tm_hour, tm->tm_min, tm->tm_sec);
return bp;
}
/* This is used in msyslog.c; we don't want to clutter up the log with
the year and day of the week, etc.; just the minimal date and time. */
char *
humanlogtime(void)
{
char *bp;
time_t cursec = time((time_t *) 0);
struct tm *tm = localtime(&cursec);
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if (!tm)
return "-- --- --:--:--";
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LIB_GETBUF(bp);
(void) sprintf(bp, "%2d %s %02d:%02d:%02d",
tm->tm_mday, months[tm->tm_mon],
tm->tm_hour, tm->tm_min, tm->tm_sec);
return bp;
}