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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 are permitted | |
6 | * provided that the above copyright notice and this paragraph are | |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
16 | */ | |
17 | ||
18 | #ifndef lint | |
19 | static char sccsid[] = "@(#)conv.c 5.1 (Berkeley) %G%"; | |
20 | #endif /* not lint */ | |
21 | ||
22 | #include <sys/types.h> | |
23 | #include <ctype.h> | |
24 | #include "hexdump.h" | |
25 | ||
26 | conv_c(pr, p) | |
27 | PR *pr; | |
28 | u_char *p; | |
29 | { | |
30 | char *str; | |
31 | ||
32 | switch(*p) { | |
33 | case '\0': | |
34 | str = "\\0"; | |
35 | goto strpr; | |
36 | /* case '\a': */ | |
37 | case '\007': | |
38 | str = "\\a"; | |
39 | goto strpr; | |
40 | case '\b': | |
41 | str = "\\b"; | |
42 | goto strpr; | |
43 | case '\f': | |
44 | str = "\\f"; | |
45 | goto strpr; | |
46 | case '\n': | |
47 | str = "\\n"; | |
48 | goto strpr; | |
49 | case '\r': | |
50 | str = "\\r"; | |
51 | goto strpr; | |
52 | case '\t': | |
53 | str = "\\t"; | |
54 | goto strpr; | |
55 | case '\v': | |
56 | str = "\\v"; | |
57 | strpr: *pr->cchar = 's'; | |
58 | (void)printf(pr->fmt, str); | |
59 | break; | |
60 | default: | |
61 | if (isprint(*p)) { | |
62 | *pr->cchar = 'c'; | |
63 | (void)printf(pr->fmt, *p); | |
64 | } else { | |
65 | *pr->cchar = 'x'; | |
66 | (void)printf(pr->fmt, (int)*p); | |
67 | } | |
68 | } | |
69 | } | |
70 | ||
71 | conv_u(pr, p) | |
72 | PR *pr; | |
73 | u_char *p; | |
74 | { | |
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", "etc", | |
79 | "can", "em", "sub", "esc", "fs", "gs", "rs", "us", | |
80 | }; | |
81 | ||
82 | if (*p <= 0x1f) { | |
83 | *pr->cchar = 's'; | |
84 | (void)printf(pr->fmt, list[*p]); | |
85 | } else if (*p == 0xff) { | |
86 | *pr->cchar = 's'; | |
87 | (void)printf(pr->fmt, "del"); | |
88 | } else if (isprint(*p)) { | |
89 | *pr->cchar = 'c'; | |
90 | (void)printf(pr->fmt, *p); | |
91 | } else { | |
92 | *pr->cchar = 'x'; | |
93 | (void)printf(pr->fmt, (int)*p); | |
94 | } | |
95 | } |