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1 | /*- |
2 | * Copyright (c) 1990 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 | * @(#)vis.h 5.9 (Berkeley) 4/3/91 | |
34 | */ | |
35 | ||
36 | #ifndef _VIS_H_ | |
37 | #define _VIS_H_ | |
38 | ||
39 | /* | |
40 | * to select alternate encoding format | |
41 | */ | |
42 | #define VIS_OCTAL 0x01 /* use octal \ddd format */ | |
43 | #define VIS_CSTYLE 0x02 /* use \[nrft0..] where appropiate */ | |
44 | ||
45 | /* | |
46 | * to alter set of characters encoded (default is to encode all | |
47 | * non-graphic except space, tab, and newline). | |
48 | */ | |
49 | #define VIS_SP 0x04 /* also encode space */ | |
50 | #define VIS_TAB 0x08 /* also encode tab */ | |
51 | #define VIS_NL 0x10 /* also encode newline */ | |
52 | #define VIS_WHITE (VIS_SP | VIS_TAB | VIS_NL) | |
53 | #define VIS_SAFE 0x20 /* only encode "unsafe" characters */ | |
54 | ||
55 | /* | |
56 | * other | |
57 | */ | |
58 | #define VIS_NOSLASH 0x40 /* inhibit printing '\' */ | |
59 | ||
60 | /* | |
61 | * unvis return codes | |
62 | */ | |
63 | #define UNVIS_VALID 1 /* character valid */ | |
64 | #define UNVIS_VALIDPUSH 2 /* character valid, push back passed char */ | |
65 | #define UNVIS_NOCHAR 3 /* valid sequence, no character produced */ | |
66 | #define UNVIS_SYNBAD -1 /* unrecognized escape sequence */ | |
67 | #define UNVIS_ERROR -2 /* decoder in unknown state (unrecoverable) */ | |
68 | ||
69 | /* | |
70 | * unvis flags | |
71 | */ | |
72 | #define UNVIS_END 1 /* no more characters */ | |
73 | ||
74 | #include <sys/cdefs.h> | |
75 | ||
76 | __BEGIN_DECLS | |
77 | char *vis __P((char *, char, int, char)); | |
78 | int strvis __P((char *, const char *, int)); | |
79 | int strvisx __P((char *, const char *, size_t, int)); | |
80 | int strunvis __P((char *, const char *)); | |
81 | int unvis __P((char *, char, int *, int)); | |
82 | __END_DECLS | |
83 | ||
84 | #endif /* !_VIS_H_ */ |