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annotate compat/vis.h @ 12:1926dfc9feb0 version-1.0.0

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Release version 1.0.0
author Guido Berhoerster <guido+libpws@berhoerster.name>
date Sun, 04 Aug 2019 21:36:05 +0200
parents 97097b4b6bfb
children
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1 /* $OpenBSD: vis.h,v 1.15 2015/07/20 01:52:27 millert Exp $ */
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2 /* $NetBSD: vis.h,v 1.4 1994/10/26 00:56:41 cgd Exp $ */
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3
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4 /*-
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5 * Copyright (c) 1990 The Regents of the University of California.
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6 * All rights reserved.
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7 *
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8 * Redistribution and use in source and binary forms, with or without
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9 * modification, are permitted provided that the following conditions
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10 * are met:
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11 * 1. Redistributions of source code must retain the above copyright
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12 * notice, this list of conditions and the following disclaimer.
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13 * 2. Redistributions in binary form must reproduce the above copyright
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14 * notice, this list of conditions and the following disclaimer in the
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15 * documentation and/or other materials provided with the distribution.
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16 * 3. Neither the name of the University nor the names of its contributors
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17 * may be used to endorse or promote products derived from this software
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18 * without specific prior written permission.
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19 *
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20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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30 * SUCH DAMAGE.
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31 *
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32 * @(#)vis.h 5.9 (Berkeley) 4/3/91
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33 */
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34
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35 #ifndef _VIS_H_
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36 #define _VIS_H_
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37
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38 #include <sys/types.h>
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39
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40 /*
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41 * to select alternate encoding format
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42 */
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43 #define VIS_OCTAL 0x01 /* use octal \ddd format */
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44 #define VIS_CSTYLE 0x02 /* use \[nrft0..] where appropriate */
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45
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46 /*
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47 * to alter set of characters encoded (default is to encode all
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48 * non-graphic except space, tab, and newline).
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49 */
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50 #define VIS_SP 0x04 /* also encode space */
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51 #define VIS_TAB 0x08 /* also encode tab */
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52 #define VIS_NL 0x10 /* also encode newline */
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53 #define VIS_WHITE (VIS_SP | VIS_TAB | VIS_NL)
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54 #define VIS_SAFE 0x20 /* only encode "unsafe" characters */
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55 #define VIS_DQ 0x200 /* backslash-escape double quotes */
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56 #define VIS_ALL 0x400 /* encode all characters */
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57
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58 /*
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59 * other
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60 */
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61 #define VIS_NOSLASH 0x40 /* inhibit printing '\' */
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62 #define VIS_GLOB 0x100 /* encode glob(3) magics and '#' */
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63
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64 /*
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65 * unvis return codes
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66 */
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67 #define UNVIS_VALID 1 /* character valid */
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68 #define UNVIS_VALIDPUSH 2 /* character valid, push back passed char */
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69 #define UNVIS_NOCHAR 3 /* valid sequence, no character produced */
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70 #define UNVIS_SYNBAD -1 /* unrecognized escape sequence */
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71 #define UNVIS_ERROR -2 /* decoder in unknown state (unrecoverable) */
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72
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73 /*
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74 * unvis flags
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75 */
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76 #define UNVIS_END 1 /* no more characters */
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77
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78 char *vis(char *, int, int, int);
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79 int strvis(char *, const char *, int);
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80 int stravis(char **, const char *, int);
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81 int strnvis(char *, const char *, size_t, int);
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82 int strvisx(char *, const char *, size_t, int);
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83 int strunvis(char *, const char *);
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84 int unvis(char *, char, int *, int);
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85 ssize_t strnunvis(char *, const char *, size_t);
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86
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87 #endif /* !_VIS_H_ */