xref: /freebsd/sys/contrib/openzfs/lib/libspl/timestamp.c (revision eda14cbc264d6969b02f2b1994cef11148e914f1)
1*eda14cbcSMatt Macy /*
2*eda14cbcSMatt Macy  * CDDL HEADER START
3*eda14cbcSMatt Macy  *
4*eda14cbcSMatt Macy  * The contents of this file are subject to the terms of the
5*eda14cbcSMatt Macy  * Common Development and Distribution License (the "License").
6*eda14cbcSMatt Macy  * You may not use this file except in compliance with the License.
7*eda14cbcSMatt Macy  *
8*eda14cbcSMatt Macy  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*eda14cbcSMatt Macy  * or http://www.opensolaris.org/os/licensing.
10*eda14cbcSMatt Macy  * See the License for the specific language governing permissions
11*eda14cbcSMatt Macy  * and limitations under the License.
12*eda14cbcSMatt Macy  *
13*eda14cbcSMatt Macy  * When distributing Covered Code, include this CDDL HEADER in each
14*eda14cbcSMatt Macy  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*eda14cbcSMatt Macy  * If applicable, add the following below this CDDL HEADER, with the
16*eda14cbcSMatt Macy  * fields enclosed by brackets "[]" replaced with your own identifying
17*eda14cbcSMatt Macy  * information: Portions Copyright [yyyy] [name of copyright owner]
18*eda14cbcSMatt Macy  *
19*eda14cbcSMatt Macy  * CDDL HEADER END
20*eda14cbcSMatt Macy  */
21*eda14cbcSMatt Macy /*
22*eda14cbcSMatt Macy  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23*eda14cbcSMatt Macy  * Use is subject to license terms.
24*eda14cbcSMatt Macy  */
25*eda14cbcSMatt Macy 
26*eda14cbcSMatt Macy #include <stdio.h>
27*eda14cbcSMatt Macy #include <time.h>
28*eda14cbcSMatt Macy #include <langinfo.h>
29*eda14cbcSMatt Macy #include "statcommon.h"
30*eda14cbcSMatt Macy 
31*eda14cbcSMatt Macy #ifndef _DATE_FMT
32*eda14cbcSMatt Macy #ifdef D_T_FMT
33*eda14cbcSMatt Macy #define	_DATE_FMT D_T_FMT
34*eda14cbcSMatt Macy #else /* D_T_FMT */
35*eda14cbcSMatt Macy #define	_DATE_FMT "%+"
36*eda14cbcSMatt Macy #endif /* !D_T_FMT */
37*eda14cbcSMatt Macy #endif /* _DATE_FMT */
38*eda14cbcSMatt Macy 
39*eda14cbcSMatt Macy /*
40*eda14cbcSMatt Macy  * Print timestamp as decimal reprentation of time_t value (-T u was specified)
41*eda14cbcSMatt Macy  * or in date(1) format (-T d was specified).
42*eda14cbcSMatt Macy  */
43*eda14cbcSMatt Macy void
44*eda14cbcSMatt Macy print_timestamp(uint_t timestamp_fmt)
45*eda14cbcSMatt Macy {
46*eda14cbcSMatt Macy 	time_t t = time(NULL);
47*eda14cbcSMatt Macy 	static char *fmt = NULL;
48*eda14cbcSMatt Macy 
49*eda14cbcSMatt Macy 	/* We only need to retrieve this once per invocation */
50*eda14cbcSMatt Macy 	if (fmt == NULL)
51*eda14cbcSMatt Macy 		fmt = nl_langinfo(_DATE_FMT);
52*eda14cbcSMatt Macy 
53*eda14cbcSMatt Macy 	if (timestamp_fmt == UDATE) {
54*eda14cbcSMatt Macy 		(void) printf("%lld\n", (longlong_t)t);
55*eda14cbcSMatt Macy 	} else if (timestamp_fmt == DDATE) {
56*eda14cbcSMatt Macy 		char dstr[64];
57*eda14cbcSMatt Macy 		int len;
58*eda14cbcSMatt Macy 
59*eda14cbcSMatt Macy 		len = strftime(dstr, sizeof (dstr), fmt, localtime(&t));
60*eda14cbcSMatt Macy 		if (len > 0)
61*eda14cbcSMatt Macy 			(void) printf("%s\n", dstr);
62*eda14cbcSMatt Macy 	}
63*eda14cbcSMatt Macy }
64