xref: /freebsd/bin/dd/misc.c (revision 61afd5bb22d787b0641523e7b9b95c964d669bd5)
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  *	$Id: misc.c,v 1.4 1996/11/13 20:00:03 phk Exp $
38  */
39 
40 #ifndef lint
41 static char const sccsid[] = "@(#)misc.c	8.3 (Berkeley) 4/2/94";
42 #endif /* not lint */
43 
44 #include <sys/types.h>
45 #include <sys/time.h>
46 
47 #include <err.h>
48 #include <stdio.h>
49 #include <stdlib.h>
50 #include <string.h>
51 #include <time.h>
52 #include <unistd.h>
53 
54 #include "dd.h"
55 #include "extern.h"
56 
57 void
58 summary()
59 {
60 	struct timeval tv;
61 	double secs;
62 	char buf[100];
63 
64 	(void)gettimeofday(&tv, (struct timezone *)NULL);
65 	secs = tv.tv_sec + tv.tv_usec * 1e-6 - st.start;
66 	if (secs < 1e-6)
67 		secs = 1e-6;
68 	/* Use snprintf(3) so that we don't reenter stdio(3). */
69 	(void)snprintf(buf, sizeof(buf),
70 	    "%u+%u records in\n%u+%u records out\n",
71 	    st.in_full, st.in_part, st.out_full, st.out_part);
72 	(void)write(STDERR_FILENO, buf, strlen(buf));
73 	if (st.swab) {
74 		(void)snprintf(buf, sizeof(buf), "%u odd length swab %s\n",
75 		     st.swab, (st.swab == 1) ? "block" : "blocks");
76 		(void)write(STDERR_FILENO, buf, strlen(buf));
77 	}
78 	if (st.trunc) {
79 		(void)snprintf(buf, sizeof(buf), "%u truncated %s\n",
80 		     st.trunc, (st.trunc == 1) ? "block" : "blocks");
81 		(void)write(STDERR_FILENO, buf, strlen(buf));
82 	}
83 	(void)snprintf(buf, sizeof(buf),
84 	    "%u bytes transferred in %.6f secs (%.0f bytes/sec)\n",
85 	    st.bytes, secs, st.bytes / secs);
86 	(void)write(STDERR_FILENO, buf, strlen(buf));
87 }
88 
89 /* ARGSUSED */
90 void
91 summaryx(notused)
92 	int notused;
93 {
94 
95 	summary();
96 }
97 
98 /* ARGSUSED */
99 void
100 terminate(notused)
101 	int notused;
102 {
103 
104 	exit(0);
105 }
106