1 /** $MirOS: src/bin/dd/misc.c,v 1.5 2007/08/08 11:47:18 tg Exp $ */
2 /* $OpenBSD: misc.c,v 1.14 2005/05/27 04:14:24 millert Exp $ */
3 /* $NetBSD: misc.c,v 1.4 1995/03/21 09:04:10 cgd Exp $ */
4
5 /*-
6 * Copyright (c) 1991, 1993, 1994
7 * The Regents of the University of California. All rights reserved.
8 *
9 * This code is derived from software contributed to Berkeley by
10 * Keith Muller of the University of California, San Diego and Lance
11 * Visser of Convex Computer Corporation.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. 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 #include <sys/types.h>
39 #include <sys/time.h>
40 #include <sys/uio.h>
41
42 #include <err.h>
43 #include <stdio.h>
44 #include <stdlib.h>
45 #include <string.h>
46 #include <errno.h>
47 #include <time.h>
48 #include <unistd.h>
49
50 #include "dd.h"
51 #include "extern.h"
52
53 __SCCSID("@(#)misc.c 8.3 (Berkeley) 4/2/94");
54 __RCSID("$MirOS: src/bin/dd/misc.c,v 1.5 2007/08/08 11:47:18 tg Exp $");
55
56 void
summary(void)57 summary(void)
58 {
59 struct timeval nowtv;
60 char buf[4][100];
61 struct iovec iov[4];
62 double microsecs;
63 int i = 0;
64
65 (void)gettimeofday(&nowtv, (struct timezone *)NULL);
66 timersub(&nowtv, &st.startv, &nowtv);
67 microsecs = ((double)nowtv.tv_sec * 1000000) + nowtv.tv_usec;
68 if (microsecs == 0)
69 microsecs = 1;
70
71 /* Use snprintf(3) so that we don't reenter stdio(3). */
72 (void)snprintf(buf[0], sizeof(buf[0]),
73 "%zu+%zu records in\n%zu+%zu records out\n",
74 st.in_full, st.in_part, st.out_full, st.out_part);
75 iov[i].iov_base = buf[0];
76 iov[i++].iov_len = strlen(buf[0]);
77
78 if (st.swab) {
79 (void)snprintf(buf[1], sizeof(buf[1]),
80 "%zu odd length swab %s\n",
81 st.swab, (st.swab == 1) ? "block" : "blocks");
82 iov[i].iov_base = buf[1];
83 iov[i++].iov_len = strlen(buf[1]);
84 }
85 if (st.trunc) {
86 (void)snprintf(buf[2], sizeof(buf[2]),
87 "%zu truncated %s\n",
88 st.trunc, (st.trunc == 1) ? "block" : "blocks");
89 iov[i].iov_base = buf[2];
90 iov[i++].iov_len = strlen(buf[2]);
91 }
92 (void)snprintf(buf[3], sizeof(buf[3]),
93 "%qd bytes transferred in %lld.%03ld secs (%0.0f bytes/sec)\n",
94 (long long)st.bytes, (int64_t)nowtv.tv_sec, nowtv.tv_usec / 1000,
95 ((double)st.bytes * 1000000) / microsecs);
96
97 iov[i].iov_base = buf[3];
98 iov[i++].iov_len = strlen(buf[3]);
99
100 (void)writev(STDERR_FILENO, iov, i);
101 }
102
103 /* ARGSUSED */
104 void
summaryx(int notused)105 summaryx(int notused)
106 {
107 int save_errno = errno;
108
109 summary();
110 errno = save_errno;
111 }
112
113 /* ARGSUSED */
114 void
terminate(int notused)115 terminate(int notused)
116 {
117
118 summary();
119 _exit(0);
120 }
121