Annotation of src/usr.bin/hexdump/conv.c, Revision 1.1.1.1
1.1 deraadt 1: /*
2: * Copyright (c) 1989 The Regents of the University of California.
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms, with or without
6: * modification, are permitted provided that the following conditions
7: * are met:
8: * 1. Redistributions of source code must retain the above copyright
9: * notice, this list of conditions and the following disclaimer.
10: * 2. Redistributions in binary form must reproduce the above copyright
11: * notice, this list of conditions and the following disclaimer in the
12: * documentation and/or other materials provided with the distribution.
13: * 3. All advertising materials mentioning features or use of this software
14: * must display the following acknowledgement:
15: * This product includes software developed by the University of
16: * California, Berkeley and its contributors.
17: * 4. Neither the name of the University nor the names of its contributors
18: * may be used to endorse or promote products derived from this software
19: * without specific prior written permission.
20: *
21: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31: * SUCH DAMAGE.
32: */
33:
34: #ifndef lint
35: /*static char sccsid[] = "from: @(#)conv.c 5.4 (Berkeley) 6/1/90";*/
36: static char rcsid[] = "$Id: conv.c,v 1.2 1993/08/01 18:14:50 mycroft Exp $";
37: #endif /* not lint */
38:
39: #include <sys/types.h>
40: #include <ctype.h>
41: #include "hexdump.h"
42:
43: conv_c(pr, p)
44: PR *pr;
45: u_char *p;
46: {
47: extern int deprecated;
48: char buf[10], *str;
49:
50: switch(*p) {
51: case '\0':
52: str = "\\0";
53: goto strpr;
54: /* case '\a': */
55: case '\007':
56: if (deprecated) /* od didn't know about \a */
57: break;
58: str = "\\a";
59: goto strpr;
60: case '\b':
61: str = "\\b";
62: goto strpr;
63: case '\f':
64: str = "\\f";
65: goto strpr;
66: case '\n':
67: str = "\\n";
68: goto strpr;
69: case '\r':
70: str = "\\r";
71: goto strpr;
72: case '\t':
73: str = "\\t";
74: goto strpr;
75: case '\v':
76: if (deprecated)
77: break;
78: str = "\\v";
79: goto strpr;
80: default:
81: break;
82: }
83: if (isprint(*p)) {
84: *pr->cchar = 'c';
85: (void)printf(pr->fmt, *p);
86: } else {
87: (void)sprintf(str = buf, "%03o", (int)*p);
88: strpr: *pr->cchar = 's';
89: (void)printf(pr->fmt, str);
90: }
91: }
92:
93: conv_u(pr, p)
94: PR *pr;
95: u_char *p;
96: {
97: extern int deprecated;
98: static char *list[] = {
99: "nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel",
100: "bs", "ht", "lf", "vt", "ff", "cr", "so", "si",
101: "dle", "dcl", "dc2", "dc3", "dc4", "nak", "syn", "etb",
102: "can", "em", "sub", "esc", "fs", "gs", "rs", "us",
103: };
104:
105: /* od used nl, not lf */
106: if (*p <= 0x1f) {
107: *pr->cchar = 's';
108: if (deprecated && *p == 0x0a)
109: (void)printf(pr->fmt, "nl");
110: else
111: (void)printf(pr->fmt, list[*p]);
112: } else if (*p == 0x7f) {
113: *pr->cchar = 's';
114: (void)printf(pr->fmt, "del");
115: } else if (deprecated && *p == 0x20) { /* od replace space with sp */
116: *pr->cchar = 's';
117: (void)printf(pr->fmt, " sp");
118: } else if (isprint(*p)) {
119: *pr->cchar = 'c';
120: (void)printf(pr->fmt, *p);
121: } else {
122: *pr->cchar = 'x';
123: (void)printf(pr->fmt, (int)*p);
124: }
125: }