xref: /titanic_41/usr/src/cmd/stat/common/timestamp.c (revision ea394cb00fd96864e34d2841b4a22357b621c78f)
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 "statcommon.h"
27 
28 #include <langinfo.h>
29 
30 /*
31  * Print timestamp as decimal reprentation of time_t value (-T u was specified)
32  * or in date(1) format (-T d was specified).
33  */
34 void
35 print_timestamp(uint_t timestamp_fmt)
36 {
37 	time_t t = time(NULL);
38 	static char *fmt = NULL;
39 
40 	/* We only need to retrieve this once per invocation */
41 	if (fmt == NULL)
42 		fmt = nl_langinfo(_DATE_FMT);
43 
44 	if (timestamp_fmt == UDATE) {
45 		(void) printf("%ld\n", t);
46 	} else if (timestamp_fmt == DDATE) {
47 		char dstr[64];
48 		int len;
49 
50 		len = strftime(dstr, sizeof (dstr), fmt, localtime(&t));
51 		if (len > 0)
52 			(void) printf("%s\n", dstr);
53 	}
54 }
55