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/*
23 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#include	<sys/time.h>
28#include	<string.h>
29#include	<stdio.h>
30#include	"_conv.h"
31#include	"time_msg.h"
32
33/*
34 * Translate a struct timeval into a string appropriate for ld(1) and ld.so.1(1)
35 * diagnostics.
36 */
37const char *
38conv_time(struct timeval *oldtime, struct timeval *newtime,
39    Conv_time_buf_t *time_buf)
40{
41	int		hour, min;
42	time_t		sec;
43	suseconds_t	usec;
44
45	sec = newtime->tv_sec - oldtime->tv_sec;
46	if (newtime->tv_usec >= oldtime->tv_usec)
47		usec = newtime->tv_usec - oldtime->tv_usec;
48	else {
49		usec = (newtime->tv_usec + MICROSEC) - oldtime->tv_usec;
50		sec -= 1;
51	}
52
53	/*
54	 * The default display is "sec.fraction", but ld(1) has been know to
55	 * ascend into minutes, and in worst case scenarios, hours.
56	 */
57	if ((min = sec / 60) != 0)
58		sec = sec % 60;
59	if ((hour = min / 60) != 0)
60		min = min % 60;
61
62	if (hour)
63		(void) snprintf(time_buf->buf, sizeof (time_buf->buf),
64		    MSG_ORIG(MSG_TIME_HMSF), hour, min, sec, usec);
65	else if (min)
66		(void) snprintf(time_buf->buf, sizeof (time_buf->buf),
67		    MSG_ORIG(MSG_TIME_MSF), min, sec, usec);
68	else
69		(void) snprintf(time_buf->buf, sizeof (time_buf->buf),
70		    MSG_ORIG(MSG_TIME_SF), sec, usec);
71
72	return ((const char *)time_buf);
73}
74