1 /* $OpenBSD: vis.h,v 1.15 2015/07/20 01:52:27 millert Exp $ */ 2 /* $NetBSD: vis.h,v 1.4 1994/10/26 00:56:41 cgd Exp $ */ 3 4 /*- 5 * Copyright (c) 1990 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 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. 19 * 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 30 * SUCH DAMAGE. 31 * 32 * @(#)vis.h 5.9 (Berkeley) 4/3/91 33 */ 34 35 /* OPENBSD ORIGINAL: include/vis.h */ 36 37 #include "includes.h" 38 #if !defined(HAVE_STRNVIS) || defined(BROKEN_STRNVIS) 39 40 #ifndef _VIS_H_ 41 #define _VIS_H_ 42 43 #include <sys/types.h> 44 #include <limits.h> 45 46 /* 47 * to select alternate encoding format 48 */ 49 #define VIS_OCTAL 0x01 /* use octal \ddd format */ 50 #define VIS_CSTYLE 0x02 /* use \[nrft0..] where appropriate */ 51 52 /* 53 * to alter set of characters encoded (default is to encode all 54 * non-graphic except space, tab, and newline). 55 */ 56 #define VIS_SP 0x04 /* also encode space */ 57 #define VIS_TAB 0x08 /* also encode tab */ 58 #define VIS_NL 0x10 /* also encode newline */ 59 #define VIS_WHITE (VIS_SP | VIS_TAB | VIS_NL) 60 #define VIS_SAFE 0x20 /* only encode "unsafe" characters */ 61 #define VIS_DQ 0x200 /* backslash-escape double quotes */ 62 #define VIS_ALL 0x400 /* encode all characters */ 63 64 /* 65 * other 66 */ 67 #define VIS_NOSLASH 0x40 /* inhibit printing '\' */ 68 #define VIS_GLOB 0x100 /* encode glob(3) magics and '#' */ 69 70 /* 71 * unvis return codes 72 */ 73 #define UNVIS_VALID 1 /* character valid */ 74 #define UNVIS_VALIDPUSH 2 /* character valid, push back passed char */ 75 #define UNVIS_NOCHAR 3 /* valid sequence, no character produced */ 76 #define UNVIS_SYNBAD -1 /* unrecognized escape sequence */ 77 #define UNVIS_ERROR -2 /* decoder in unknown state (unrecoverable) */ 78 79 /* 80 * unvis flags 81 */ 82 #define UNVIS_END 1 /* no more characters */ 83 84 char *vis(char *, int, int, int); 85 int strvis(char *, const char *, int); 86 int stravis(char **, const char *, int); 87 int strnvis(char *, const char *, size_t, int) 88 __attribute__ ((__bounded__(__string__,1,3))); 89 int strvisx(char *, const char *, size_t, int) 90 __attribute__ ((__bounded__(__string__,1,3))); 91 int strunvis(char *, const char *); 92 int unvis(char *, char, int *, int); 93 ssize_t strnunvis(char *, const char *, size_t) 94 __attribute__ ((__bounded__(__string__,1,3))); 95 96 #endif /* !_VIS_H_ */ 97 98 #endif /* !HAVE_STRNVIS || BROKEN_STRNVIS */ 99
