1 /* $OpenBSD: vis.h,v 1.6 2003/06/02 19:34:12 millert Exp $ */
2 /* $NetBSD: vis.h,v 1.4 1994/10/26 00:56:41 cgd Exp $ */
5 * Copyright (c) 1990 The Regents of the University of California.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * @(#)vis.h 5.9 (Berkeley) 4/3/91
36 #if !defined(HAVE_STRNVIS)
41 #include <sys/types.h>
45 * to select alternate encoding format
47 #define VIS_OCTAL 0x01 /* use octal \ddd format */
48 #define VIS_CSTYLE 0x02 /* use \[nrft0..] where appropriate */
51 * to alter set of characters encoded (default is to encode all
52 * non-graphic except space, tab, and newline).
54 #define VIS_SP 0x04 /* also encode space */
55 #define VIS_TAB 0x08 /* also encode tab */
56 #define VIS_NL 0x10 /* also encode newline */
57 #define VIS_WHITE (VIS_SP | VIS_TAB | VIS_NL)
58 #define VIS_SAFE 0x20 /* only encode "unsafe" characters */
63 #define VIS_NOSLASH 0x40 /* inhibit printing '\' */
68 #define UNVIS_VALID 1 /* character valid */
69 #define UNVIS_VALIDPUSH 2 /* character valid, push back passed char */
70 #define UNVIS_NOCHAR 3 /* valid sequence, no character produced */
71 #define UNVIS_SYNBAD -1 /* unrecognized escape sequence */
72 #define UNVIS_ERROR -2 /* decoder in unknown state (unrecoverable) */
77 #define UNVIS_END 1 /* no more characters */
79 char *vis(char *, int, int, int);
80 int strvis(char *, const char *, int);
81 int strnvis(char *, const char *, size_t, int);
82 int strvisx(char *, const char *, size_t, int);
83 int strunvis(char *, const char *);
84 int unvis(char *, char, int *, int);
88 #endif /* !HAVE_STRNVIS */