misc.c revision 48051 
1/*-
2 * Copyright (c) 1991, 1993, 1994
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Keith Muller of the University of California, San Diego and Lance
7 * Visser of Convex Computer Corporation.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 *    must display the following acknowledgement:
19 *	This product includes software developed by the University of
20 *	California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 *    may be used to endorse or promote products derived from this software
23 *    without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 */
37
38#ifndef lint
39#if 0
40static char sccsid[] = "@(#)misc.c	8.3 (Berkeley) 4/2/94";
41#endif
42static const char rcsid[] =
43	"$Id: misc.c,v 1.15 1998/12/07 12:37:11 bde Exp $";
44#endif /* not lint */
45
46#include <sys/types.h>
47#include <sys/time.h>
48
49#include <errno.h>
50#include <stdio.h>
51#include <unistd.h>
52
53#include "dd.h"
54#include "extern.h"
55
56void
57summary()
58{
59	struct timeval tv;
60	double secs;
61	char buf[100];
62
63	(void)gettimeofday(&tv, (struct timezone *)NULL);
64	secs = tv.tv_sec + tv.tv_usec * 1e-6 - st.start;
65	if (secs < 1e-6)
66		secs = 1e-6;
67	/* Use snprintf(3) so that we don't reenter stdio(3). */
68	(void)snprintf(buf, sizeof(buf),
69	    "%qu+%qu records in\n%qu+%qu records out\n",
70	    st.in_full, st.in_part, st.out_full, st.out_part);
71	(void)write(STDERR_FILENO, buf, strlen(buf));
72	if (st.swab) {
73		(void)snprintf(buf, sizeof(buf), "%qu odd length swab %s\n",
74		     st.swab, (st.swab == 1) ? "block" : "blocks");
75		(void)write(STDERR_FILENO, buf, strlen(buf));
76	}
77	if (st.trunc) {
78		(void)snprintf(buf, sizeof(buf), "%qu truncated %s\n",
79		     st.trunc, (st.trunc == 1) ? "block" : "blocks");
80		(void)write(STDERR_FILENO, buf, strlen(buf));
81	}
82	(void)snprintf(buf, sizeof(buf),
83	    "%qu bytes transferred in %.6f secs (%.0f bytes/sec)\n",
84	    st.bytes, secs, st.bytes / secs);
85	(void)write(STDERR_FILENO, buf, strlen(buf));
86}
87
88/* ARGSUSED */
89void
90summaryx(notused)
91	int notused;
92{
93	int save_errno = errno;
94
95	summary();
96	errno = save_errno;
97}
98
99/* ARGSUSED */
100void
101terminate(sig)
102	int sig;
103{
104
105	/* XXX exit() shouldn't call exit() from a signal handler. */
106	exit(sig == 0 ? 0 : 1);
107}
108