zfs-builds-mm/zfs-0.8.1/lib/libspl/timestamp.c

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2019-07-06 23:40:11 +02:00
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <stdio.h>
#include <time.h>
#include <langinfo.h>
#include "statcommon.h"
#ifndef _DATE_FMT
#ifdef D_T_FMT
#define _DATE_FMT D_T_FMT
#else /* D_T_FMT */
#define _DATE_FMT "%+"
#endif /* !D_T_FMT */
#endif /* _DATE_FMT */
/*
* Print timestamp as decimal reprentation of time_t value (-T u was specified)
* or in date(1) format (-T d was specified).
*/
void
print_timestamp(uint_t timestamp_fmt)
{
time_t t = time(NULL);
static char *fmt = NULL;
/* We only need to retrieve this once per invocation */
if (fmt == NULL)
fmt = nl_langinfo(_DATE_FMT);
if (timestamp_fmt == UDATE) {
(void) printf("%ld\n", t);
} else if (timestamp_fmt == DDATE) {
char dstr[64];
int len;
len = strftime(dstr, sizeof (dstr), fmt, localtime(&t));
if (len > 0)
(void) printf("%s\n", dstr);
}
}