vis.h revision 285830
1/* $OpenBSD: vis.h,v 1.11 2005/08/09 19:38:31 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 62/* 63 * other 64 */ 65#define VIS_NOSLASH 0x40 /* inhibit printing '\' */ 66#define VIS_GLOB 0x100 /* encode glob(3) magics and '#' */ 67 68/* 69 * unvis return codes 70 */ 71#define UNVIS_VALID 1 /* character valid */ 72#define UNVIS_VALIDPUSH 2 /* character valid, push back passed char */ 73#define UNVIS_NOCHAR 3 /* valid sequence, no character produced */ 74#define UNVIS_SYNBAD -1 /* unrecognized escape sequence */ 75#define UNVIS_ERROR -2 /* decoder in unknown state (unrecoverable) */ 76 77/* 78 * unvis flags 79 */ 80#define UNVIS_END 1 /* no more characters */ 81 82char *vis(char *, int, int, int); 83int strvis(char *, const char *, int); 84int strnvis(char *, const char *, size_t, int) 85 __attribute__ ((__bounded__(__string__,1,3))); 86int strvisx(char *, const char *, size_t, int) 87 __attribute__ ((__bounded__(__string__,1,3))); 88int strunvis(char *, const char *); 89int unvis(char *, char, int *, int); 90ssize_t strnunvis(char *, const char *, size_t) 91 __attribute__ ((__bounded__(__string__,1,3))); 92 93#endif /* !_VIS_H_ */ 94 95#endif /* !HAVE_STRNVIS || BROKEN_STRNVIS */ 96