1 /* $NetBSD: vis.h,v 1.21 2013/02/20 17:01:15 christos Exp $ */ 2 /* $FreeBSD$ */ 3 4 /*- 5 * Copyright (c) 1990, 1993 6 * The Regents of the University of California. 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 8.1 (Berkeley) 6/2/93 33 */ 34 35 #ifndef _VIS_H_ 36 #define _VIS_H_ 37 38 #include <sys/types.h> 39 40 /* 41 * to select alternate encoding format 42 */ 43 #define VIS_OCTAL 0x0001 /* use octal \ddd format */ 44 #define VIS_CSTYLE 0x0002 /* use \[nrft0..] where appropiate */ 45 46 /* 47 * to alter set of characters encoded (default is to encode all 48 * non-graphic except space, tab, and newline). 49 */ 50 #define VIS_SP 0x0004 /* also encode space */ 51 #define VIS_TAB 0x0008 /* also encode tab */ 52 #define VIS_NL 0x0010 /* also encode newline */ 53 #define VIS_WHITE (VIS_SP | VIS_TAB | VIS_NL) 54 #define VIS_SAFE 0x0020 /* only encode "unsafe" characters */ 55 56 /* 57 * other 58 */ 59 #define VIS_NOSLASH 0x0040 /* inhibit printing '\' */ 60 #define VIS_HTTP1808 0x0080 /* http-style escape % hex hex */ 61 #define VIS_HTTPSTYLE 0x0080 /* http-style escape % hex hex */ 62 #define VIS_GLOB 0x0100 /* encode glob(3) magic characters */ 63 #define VIS_MIMESTYLE 0x0200 /* mime-style escape = HEX HEX */ 64 #define VIS_HTTP1866 0x0400 /* http-style &#num; or &string; */ 65 #define VIS_NOESCAPE 0x0800 /* don't decode `\' */ 66 #define _VIS_END 0x1000 /* for unvis */ 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 _VIS_END /* no more characters */ 81 82 #include <sys/cdefs.h> 83 84 __BEGIN_DECLS 85 char *vis(char *, int, int, int); 86 char *nvis(char *, size_t, int, int, int); 87 88 char *svis(char *, int, int, int, const char *); 89 char *snvis(char *, size_t, int, int, int, const char *); 90 91 int strvis(char *, const char *, int); 92 int strnvis(char *, size_t, const char *, int); 93 94 int strsvis(char *, const char *, int, const char *); 95 int strsnvis(char *, size_t, const char *, int, const char *); 96 97 int strvisx(char *, const char *, size_t, int); 98 int strnvisx(char *, size_t, const char *, size_t, int); 99 int strenvisx(char *, size_t, const char *, size_t, int, int *); 100 101 int strsvisx(char *, const char *, size_t, int, const char *); 102 int strsnvisx(char *, size_t, const char *, size_t, int, const char *); 103 int strsenvisx(char *, size_t, const char *, size_t , int, const char *, 104 int *); 105 106 int strunvis(char *, const char *); 107 int strnunvis(char *, size_t, const char *); 108 109 int strunvisx(char *, const char *, int); 110 int strnunvisx(char *, size_t, const char *, int); 111 112 #ifndef __LIBC12_SOURCE__ 113 int unvis(char *, int, int *, int); 114 #endif 115 __END_DECLS 116 117 #endif /* !_VIS_H_ */ 118