1 /* $NetBSD: vis.h,v 1.21 2013/02/20 17:01:15 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)vis.h 8.1 (Berkeley) 6/2/93 32 */ 33 34 #ifndef _VIS_H_ 35 #define _VIS_H_ 36 37 /* 38 * to select alternate encoding format 39 */ 40 #define VIS_OCTAL 0x0001 /* use octal \ddd format */ 41 #define VIS_CSTYLE 0x0002 /* use \[nrft0..] where appropiate */ 42 43 /* 44 * to alter set of characters encoded (default is to encode all 45 * non-graphic except space, tab, and newline). 46 */ 47 #define VIS_SP 0x0004 /* also encode space */ 48 #define VIS_TAB 0x0008 /* also encode tab */ 49 #define VIS_NL 0x0010 /* also encode newline */ 50 #define VIS_WHITE (VIS_SP | VIS_TAB | VIS_NL) 51 #define VIS_SAFE 0x0020 /* only encode "unsafe" characters */ 52 53 /* 54 * other 55 */ 56 #define VIS_NOSLASH 0x0040 /* inhibit printing '\' */ 57 #define VIS_HTTP1808 0x0080 /* http-style escape % hex hex */ 58 #define VIS_HTTPSTYLE 0x0080 /* http-style escape % hex hex */ 59 #define VIS_MIMESTYLE 0x0100 /* mime-style escape = HEX HEX */ 60 #define VIS_HTTP1866 0x0200 /* http-style &#num; or &string; */ 61 #define VIS_NOESCAPE 0x0400 /* don't decode `\' */ 62 #define _VIS_END 0x0800 /* for unvis */ 63 #define VIS_GLOB 0x1000 /* encode glob(3) magic characters */ 64 65 /* 66 * unvis return codes 67 */ 68 #define UNVIS_VALID 1 /* character valid */ 69 #define UNVIS_VALIDPUSH 2 /* character valid, push back passed char */ 70 #define UNVIS_NOCHAR 3 /* valid sequence, no character produced */ 71 #define UNVIS_SYNBAD -1 /* unrecognized escape sequence */ 72 #define UNVIS_ERROR -2 /* decoder in unknown state (unrecoverable) */ 73 74 /* 75 * unvis flags 76 */ 77 #define UNVIS_END _VIS_END /* no more characters */ 78 79 __BEGIN_DECLS 80 char *vis(char *, int, int, int); 81 char *nvis(char *, size_t, int, int, int); 82 83 char *svis(char *, int, int, int, const char *); 84 char *snvis(char *, size_t, int, int, int, const char *); 85 86 int strvis(char *, const char *, int); 87 int strnvis(char *, size_t, const char *, int); 88 89 int strsvis(char *, const char *, int, const char *); 90 int strsnvis(char *, size_t, const char *, int, const char *); 91 92 int strvisx(char *, const char *, size_t, int); 93 int strnvisx(char *, size_t, const char *, size_t, int); 94 int strenvisx(char *, size_t, const char *, size_t, int, int *); 95 96 int strsvisx(char *, const char *, size_t, int, const char *); 97 int strsnvisx(char *, size_t, const char *, size_t, int, const char *); 98 int strsenvisx(char *, size_t, const char *, size_t , int, const char *, 99 int *); 100 101 int strunvis(char *, const char *); 102 int strnunvis(char *, size_t, const char *); 103 104 int strunvisx(char *, const char *, int); 105 int strnunvisx(char *, size_t, const char *, int); 106 107 #ifndef __LIBC12_SOURCE__ 108 int unvis(char *, int, int *, int); 109 #endif 110 __END_DECLS 111 112 #endif /* !_VIS_H_ */ 113