1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#include <stdio.h>
27#include <time.h>
28#include <langinfo.h>
29#include "statcommon.h"
30
31#ifndef _DATE_FMT
32#ifdef D_T_FMT
33#define	_DATE_FMT D_T_FMT
34#else /* D_T_FMT */
35#define	_DATE_FMT "%+"
36#endif /* !D_T_FMT */
37#endif /* _DATE_FMT */
38
39/*
40 * Print timestamp as decimal reprentation of time_t value (-T u was specified)
41 * or in date(1) format (-T d was specified).
42 */
43void
44print_timestamp(uint_t timestamp_fmt)
45{
46	time_t t = time(NULL);
47	static char *fmt = NULL;
48
49	/* We only need to retrieve this once per invocation */
50	if (fmt == NULL)
51		fmt = nl_langinfo(_DATE_FMT);
52
53	if (timestamp_fmt == UDATE) {
54		(void) printf("%lld\n", (longlong_t)t);
55	} else if (timestamp_fmt == DDATE) {
56		char dstr[64];
57		int len;
58
59		len = strftime(dstr, sizeof (dstr), fmt, localtime(&t));
60		if (len > 0)
61			(void) printf("%s\n", dstr);
62	}
63}
64