xref: /dragonfly/bin/dd/misc.c (revision 1de703da)
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  * @(#)misc.c	8.3 (Berkeley) 4/2/94
38  * $FreeBSD: src/bin/dd/misc.c,v 1.18.2.1 2001/08/01 01:40:03 obrien Exp $
39  * $DragonFly: src/bin/dd/misc.c,v 1.2 2003/06/17 04:22:49 dillon Exp $
40  */
41 
42 #include <sys/types.h>
43 #include <sys/time.h>
44 
45 #include <errno.h>
46 #include <stdio.h>
47 #include <stdlib.h>
48 #include <strings.h>
49 #include <unistd.h>
50 
51 #include "dd.h"
52 #include "extern.h"
53 
54 void
55 summary()
56 {
57 	struct timeval tv;
58 	double secs;
59 	char buf[100];
60 
61 	(void)gettimeofday(&tv, (struct timezone *)NULL);
62 	secs = tv.tv_sec + tv.tv_usec * 1e-6 - st.start;
63 	if (secs < 1e-6)
64 		secs = 1e-6;
65 	/* Use snprintf(3) so that we don't reenter stdio(3). */
66 	(void)snprintf(buf, sizeof(buf),
67 	    "%qu+%qu records in\n%qu+%qu records out\n",
68 	    st.in_full, st.in_part, st.out_full, st.out_part);
69 	(void)write(STDERR_FILENO, buf, strlen(buf));
70 	if (st.swab) {
71 		(void)snprintf(buf, sizeof(buf), "%qu odd length swab %s\n",
72 		     st.swab, (st.swab == 1) ? "block" : "blocks");
73 		(void)write(STDERR_FILENO, buf, strlen(buf));
74 	}
75 	if (st.trunc) {
76 		(void)snprintf(buf, sizeof(buf), "%qu truncated %s\n",
77 		     st.trunc, (st.trunc == 1) ? "block" : "blocks");
78 		(void)write(STDERR_FILENO, buf, strlen(buf));
79 	}
80 	(void)snprintf(buf, sizeof(buf),
81 	    "%qu bytes transferred in %.6f secs (%.0f bytes/sec)\n",
82 	    st.bytes, secs, st.bytes / secs);
83 	(void)write(STDERR_FILENO, buf, strlen(buf));
84 }
85 
86 /* ARGSUSED */
87 void
88 summaryx(notused)
89 	int notused __unused;
90 {
91 	int save_errno = errno;
92 
93 	summary();
94 	errno = save_errno;
95 }
96 
97 /* ARGSUSED */
98 void
99 terminate(sig)
100 	int sig;
101 {
102 
103 	summary();
104 	_exit(sig == 0 ? 0 : 1);
105 }
106