xref: /openbsd-src/bin/dd/misc.c (revision 62a742911104f98b9185b2c6b6007d9b1c36396c)
1 /*	$OpenBSD: misc.c,v 1.7 1997/09/12 04:33:24 millert Exp $	*/
2 /*	$NetBSD: misc.c,v 1.4 1995/03/21 09:04:10 cgd Exp $	*/
3 
4 /*-
5  * Copyright (c) 1991, 1993, 1994
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * This code is derived from software contributed to Berkeley by
9  * Keith Muller of the University of California, San Diego and Lance
10  * Visser of Convex Computer Corporation.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. All advertising materials mentioning features or use of this software
21  *    must display the following acknowledgement:
22  *	This product includes software developed by the University of
23  *	California, Berkeley and its contributors.
24  * 4. Neither the name of the University nor the names of its contributors
25  *    may be used to endorse or promote products derived from this software
26  *    without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38  * SUCH DAMAGE.
39  */
40 
41 #ifndef lint
42 #if 0
43 static char sccsid[] = "@(#)misc.c	8.3 (Berkeley) 4/2/94";
44 #else
45 static char rcsid[] = "$OpenBSD: misc.c,v 1.7 1997/09/12 04:33:24 millert Exp $";
46 #endif
47 #endif /* not lint */
48 
49 #include <sys/types.h>
50 
51 #include <err.h>
52 #include <stdio.h>
53 #include <stdlib.h>
54 #include <string.h>
55 #include <errno.h>
56 #include <time.h>
57 #include <unistd.h>
58 
59 #include "dd.h"
60 #include "extern.h"
61 
62 void
63 summary()
64 {
65 	time_t secs;
66 	char buf[100];
67 
68 	(void)time(&secs);
69 	if ((secs -= st.start) == 0)
70 		secs = 1;
71 	/* Use snprintf(3) so that we don't reenter stdio(3). */
72 	(void)snprintf(buf, sizeof(buf),
73 	    "%u+%u records in\n%u+%u records out\n",
74 	    st.in_full, st.in_part, st.out_full, st.out_part);
75 	(void)write(STDERR_FILENO, buf, strlen(buf));
76 	if (st.swab) {
77 		(void)snprintf(buf, sizeof(buf), "%u odd length swab %s\n",
78 		     st.swab, (st.swab == 1) ? "block" : "blocks");
79 		(void)write(STDERR_FILENO, buf, strlen(buf));
80 	}
81 	if (st.trunc) {
82 		(void)snprintf(buf, sizeof(buf), "%u truncated %s\n",
83 		     st.trunc, (st.trunc == 1) ? "block" : "blocks");
84 		(void)write(STDERR_FILENO, buf, strlen(buf));
85 	}
86 	(void)snprintf(buf, sizeof(buf),
87 	    "%qd bytes transferred in %ld secs (%qd bytes/sec)\n",
88 	    st.bytes, (long)secs, st.bytes / secs);
89 	(void)write(STDERR_FILENO, buf, strlen(buf));
90 }
91 
92 /* ARGSUSED */
93 void
94 summaryx(notused)
95 	int notused;
96 {
97 	int save_errno = errno;
98 
99 	summary();
100 	errno = save_errno;
101 }
102 
103 /* ARGSUSED */
104 void
105 terminate(notused)
106 	int notused;
107 {
108 
109 	exit(0);
110 }
111