1/* $Id: vis.h,v 1.1.1.2 2011/08/17 18:40:06 jmmv Exp $ */ 2/* $OpenBSD: vis.h,v 1.11 2005/08/09 19:38:31 millert Exp $ */ 3/* $NetBSD: vis.h,v 1.1.1.2 2011/08/17 18:40:06 jmmv Exp $ */ 4 5/*- 6 * Copyright (c) 1990 The Regents of the University of California. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. 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 appropriate */ 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#define VIS_GLOB 0x100 /* encode glob(3) magics and '#' */ 60 61/* 62 * unvis return codes 63 */ 64#define UNVIS_VALID 1 /* character valid */ 65#define UNVIS_VALIDPUSH 2 /* character valid, push back passed char */ 66#define UNVIS_NOCHAR 3 /* valid sequence, no character produced */ 67#define UNVIS_SYNBAD -1 /* unrecognized escape sequence */ 68#define UNVIS_ERROR -2 /* decoder in unknown state (unrecoverable) */ 69 70/* 71 * unvis flags 72 */ 73#define UNVIS_END 1 /* no more characters */ 74 75char *vis(char *, int, int, int); 76int strvis(char *, const char *, int); 77int strnvis(char *, const char *, size_t, int); 78int strvisx(char *, const char *, size_t, int); 79int strunvis(char *, const char *); 80int unvis(char *, char, int *, int); 81ssize_t strnunvis(char *, const char *, size_t); 82 83#endif /* !_VIS_H_ */ 84