1 /*
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * %sccs.include.redist.c%
6 */
7
8 #ifndef lint
9 static char sccsid[] = "@(#)conv.c 8.1 (Berkeley) 06/06/93";
10 #endif /* not lint */
11
12 #include <sys/types.h>
13
14 #include <stdio.h>
15 #include <ctype.h>
16 #include "hexdump.h"
17
18 void
conv_c(pr,p)19 conv_c(pr, p)
20 PR *pr;
21 u_char *p;
22 {
23 extern int deprecated;
24 char buf[10], *str;
25
26 switch(*p) {
27 case '\0':
28 str = "\\0";
29 goto strpr;
30 /* case '\a': */
31 case '\007':
32 if (deprecated) /* od didn't know about \a */
33 break;
34 str = "\\a";
35 goto strpr;
36 case '\b':
37 str = "\\b";
38 goto strpr;
39 case '\f':
40 str = "\\f";
41 goto strpr;
42 case '\n':
43 str = "\\n";
44 goto strpr;
45 case '\r':
46 str = "\\r";
47 goto strpr;
48 case '\t':
49 str = "\\t";
50 goto strpr;
51 case '\v':
52 if (deprecated)
53 break;
54 str = "\\v";
55 goto strpr;
56 default:
57 break;
58 }
59 if (isprint(*p)) {
60 *pr->cchar = 'c';
61 (void)printf(pr->fmt, *p);
62 } else {
63 (void)sprintf(str = buf, "%03o", (int)*p);
64 strpr: *pr->cchar = 's';
65 (void)printf(pr->fmt, str);
66 }
67 }
68
69 void
conv_u(pr,p)70 conv_u(pr, p)
71 PR *pr;
72 u_char *p;
73 {
74 extern int deprecated;
75 static char *list[] = {
76 "nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel",
77 "bs", "ht", "lf", "vt", "ff", "cr", "so", "si",
78 "dle", "dcl", "dc2", "dc3", "dc4", "nak", "syn", "etb",
79 "can", "em", "sub", "esc", "fs", "gs", "rs", "us",
80 };
81
82 /* od used nl, not lf */
83 if (*p <= 0x1f) {
84 *pr->cchar = 's';
85 if (deprecated && *p == 0x0a)
86 (void)printf(pr->fmt, "nl");
87 else
88 (void)printf(pr->fmt, list[*p]);
89 } else if (*p == 0x7f) {
90 *pr->cchar = 's';
91 (void)printf(pr->fmt, "del");
92 } else if (deprecated && *p == 0x20) { /* od replaced space with sp */
93 *pr->cchar = 's';
94 (void)printf(pr->fmt, " sp");
95 } else if (isprint(*p)) {
96 *pr->cchar = 'c';
97 (void)printf(pr->fmt, *p);
98 } else {
99 *pr->cchar = 'x';
100 (void)printf(pr->fmt, (int)*p);
101 }
102 }
103