xref: /netbsd-src/bin/dd/misc.c (revision cda4f8f6ee55684e8d311b86c99ea59191e6b74f)
1 /*-
2  * Copyright (c) 1991 The Regents of the University of California.
3  * 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 static char sccsid[] = "@(#)misc.c	5.7 (Berkeley) 4/28/93";
40 #endif /* not lint */
41 
42 #include <sys/types.h>
43 
44 #include <stdio.h>
45 #include <stdlib.h>
46 #include <string.h>
47 #include <unistd.h>
48 
49 #include "dd.h"
50 #include "extern.h"
51 
52 /* ARGSUSED */
53 void
54 summary(notused)
55 	int notused;
56 {
57 	time_t secs;
58 	char buf[100];
59 
60 	(void)time(&secs);
61 	if ((secs -= st.start) == 0)
62 		secs = 1;
63 	/* Use snprintf(3) so that we don't reenter stdio(3). */
64 	(void)snprintf(buf, sizeof(buf),
65 	    "%u+%u records in\n%u+%u records out\n",
66 	    st.in_full, st.in_part, st.out_full, st.out_part);
67 	(void)write(STDERR_FILENO, buf, strlen(buf));
68 	if (st.swab) {
69 		(void)snprintf(buf, sizeof(buf), "%u odd length swab %s\n",
70 		     st.swab, (st.swab == 1) ? "block" : "blocks");
71 		(void)write(STDERR_FILENO, buf, strlen(buf));
72 	}
73 	if (st.trunc) {
74 		(void)snprintf(buf, sizeof(buf), "%u truncated %s\n",
75 		     st.trunc, (st.trunc == 1) ? "block" : "blocks");
76 		(void)write(STDERR_FILENO, buf, strlen(buf));
77 	}
78 	(void)snprintf(buf, sizeof(buf),
79 	    "%u bytes transferred in %u secs (%u bytes/sec)\n",
80 	    st.bytes, secs, st.bytes / secs);
81 	(void)write(STDERR_FILENO, buf, strlen(buf));
82 }
83 
84 /* ARGSUSED */
85 void
86 terminate(notused)
87 	int notused;
88 {
89 	summary(0);
90 	exit(0);
91 }
92 
93 #if __STDC__
94 #include <stdarg.h>
95 #else
96 #include <varargs.h>
97 #endif
98 
99 void
100 #if __STDC__
101 err(const char *fmt, ...)
102 #else
103 err(fmt, va_alist)
104 	char *fmt;
105 	va_dcl
106 #endif
107 {
108 	extern int errstats;
109 	va_list ap;
110 #if __STDC__
111 	va_start(ap, fmt);
112 #else
113 	va_start(ap);
114 #endif
115 	(void)fprintf(stderr, "dd: ");
116 	(void)vfprintf(stderr, fmt, ap);
117 	va_end(ap);
118 	(void)fprintf(stderr, "\n");
119 	if (errstats)
120 		summary(0);
121 	exit(1);
122 	/* NOTREACHED */
123 }
124 
125 void
126 #if __STDC__
127 warn(const char *fmt, ...)
128 #else
129 warn(fmt, va_alist)
130 	char *fmt;
131 	va_dcl
132 #endif
133 {
134 	va_list ap;
135 #if __STDC__
136 	va_start(ap, fmt);
137 #else
138 	va_start(ap);
139 #endif
140 	(void)fprintf(stderr, "dd: ");
141 	(void)vfprintf(stderr, fmt, ap);
142 	va_end(ap);
143 	(void)fprintf(stderr, "\n");
144 }
145