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