1 /* $NetBSD: conv.c,v 1.14 2013/02/09 02:49:36 jakllsch Exp $ */
2
3 /*
4 * Copyright (c) 1989, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32 #if HAVE_NBTOOL_CONFIG_H
33 #include "nbtool_config.h"
34 #endif
35
36 #include <sys/cdefs.h>
37 #if !defined(lint)
38 #if 0
39 static char sccsid[] = "@(#)conv.c 8.1 (Berkeley) 6/6/93";
40 #else
41 __RCSID("$NetBSD: conv.c,v 1.14 2013/02/09 02:49:36 jakllsch Exp $");
42 #endif
43 #endif /* not lint */
44
45 #include <sys/types.h>
46
47 #include <stdio.h>
48 #include <ctype.h>
49
50 #include "hexdump.h"
51
52 void
conv_c(PR * pr,u_char * p)53 conv_c(PR *pr, u_char *p)
54 {
55 char buf[10];
56 char const *str;
57
58 switch(*p) {
59 case '\0':
60 str = "\\0";
61 goto strpr;
62 /* case '\a': */
63 case '\007':
64 if (odmode) /* od doesn't know about \a */
65 break;
66 str = "\\a";
67 goto strpr;
68 case '\b':
69 str = "\\b";
70 goto strpr;
71 case '\f':
72 str = "\\f";
73 goto strpr;
74 case '\n':
75 str = "\\n";
76 goto strpr;
77 case '\r':
78 str = "\\r";
79 goto strpr;
80 case '\t':
81 str = "\\t";
82 goto strpr;
83 case '\v':
84 if (odmode)
85 break;
86 str = "\\v";
87 goto strpr;
88 default:
89 break;
90 }
91 if (isprint(*p)) {
92 *pr->cchar = 'c';
93 (void)printf(pr->fmt, *p);
94 } else {
95 (void)sprintf(buf, "%03o", (int)*p);
96 str = buf;
97 strpr: *pr->cchar = 's';
98 (void)printf(pr->fmt, str);
99 }
100 }
101
102 void
conv_u(PR * pr,u_char * p)103 conv_u(PR *pr, u_char *p)
104 {
105 static const char *list[] = {
106 "nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel",
107 "bs", "ht", "lf", "vt", "ff", "cr", "so", "si",
108 "dle", "dc1", "dc2", "dc3", "dc4", "nak", "syn", "etb",
109 "can", "em", "sub", "esc", "fs", "gs", "rs", "us",
110 };
111
112 /* od used nl, not lf */
113 if (*p <= 0x1f) {
114 *pr->cchar = 's';
115 if (odmode && *p == 0x0a)
116 (void)printf(pr->fmt, "nl");
117 else
118 (void)printf(pr->fmt, list[*p]);
119 } else if (*p == 0x7f) {
120 *pr->cchar = 's';
121 (void)printf(pr->fmt, "del");
122 } else if (odmode && *p == 0x20) { /* od replaces space with sp */
123 *pr->cchar = 's';
124 (void)printf(pr->fmt, " sp");
125 } else if (isprint(*p)) {
126 *pr->cchar = 'c';
127 (void)printf(pr->fmt, *p);
128 } else {
129 *pr->cchar = 'x';
130 (void)printf(pr->fmt, (int)*p);
131 }
132 }
133