1 /* $OpenBSD: vis.h,v 1.4 2000/11/21 00:48:49 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. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)vis.h 5.9 (Berkeley) 4/3/91 37 */ 38 39 #ifndef _VIS_H_ 40 #define _VIS_H_ 41 42 /* 43 * to select alternate encoding format 44 */ 45 #define VIS_OCTAL 0x01 /* use octal \ddd format */ 46 #define VIS_CSTYLE 0x02 /* use \[nrft0..] where appropriate */ 47 48 /* 49 * to alter set of characters encoded (default is to encode all 50 * non-graphic except space, tab, and newline). 51 */ 52 #define VIS_SP 0x04 /* also encode space */ 53 #define VIS_TAB 0x08 /* also encode tab */ 54 #define VIS_NL 0x10 /* also encode newline */ 55 #define VIS_WHITE (VIS_SP | VIS_TAB | VIS_NL) 56 #define VIS_SAFE 0x20 /* only encode "unsafe" characters */ 57 58 /* 59 * other 60 */ 61 #define VIS_NOSLASH 0x40 /* inhibit printing '\' */ 62 63 /* 64 * unvis return codes 65 */ 66 #define UNVIS_VALID 1 /* character valid */ 67 #define UNVIS_VALIDPUSH 2 /* character valid, push back passed char */ 68 #define UNVIS_NOCHAR 3 /* valid sequence, no character produced */ 69 #define UNVIS_SYNBAD -1 /* unrecognized escape sequence */ 70 #define UNVIS_ERROR -2 /* decoder in unknown state (unrecoverable) */ 71 72 /* 73 * unvis flags 74 */ 75 #define UNVIS_END 1 /* no more characters */ 76 77 #include <sys/cdefs.h> 78 79 __BEGIN_DECLS 80 char *vis __P((char *, int, int, int)); 81 int strvis __P((char *, const char *, int)); 82 int strnvis __P((char *, const char *, size_t, int)); 83 int strvisx __P((char *, const char *, size_t, int)); 84 int strunvis __P((char *, const char *)); 85 int unvis __P((char *, char, int *, int)); 86 __END_DECLS 87 88 #endif /* !_VIS_H_ */ 89