/* $OpenBSD: vis.h,v 1.13 2010/08/24 23:49:06 djm Exp $ */ /* $NetBSD: vis.h,v 1.4 1994/10/26 00:56:41 cgd Exp $ */ /*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)vis.h 5.9 (Berkeley) 4/3/91 */ #ifndef _VIS_H_ #define _VIS_H_ /* * to select alternate encoding format */ #define VIS_OCTAL 0x01 /* use octal \ddd format */ #define VIS_CSTYLE 0x02 /* use \[nrft0..] where appropriate */ /* * to alter set of characters encoded (default is to encode all * non-graphic except space, tab, and newline). */ #define VIS_SP 0x04 /* also encode space */ #define VIS_TAB 0x08 /* also encode tab */ #define VIS_NL 0x10 /* also encode newline */ #define VIS_WHITE (VIS_SP | VIS_TAB | VIS_NL) #define VIS_SAFE 0x20 /* only encode "unsafe" characters */ #define VIS_ALL 0x400 /* encode all characters */ /* * other */ #define VIS_NOSLASH 0x40 /* inhibit printing '\' */ #define VIS_GLOB 0x100 /* encode glob(3) magics and '#' */ /* * unvis return codes */ #define UNVIS_VALID 1 /* character valid */ #define UNVIS_VALIDPUSH 2 /* character valid, push back passed char */ #define UNVIS_NOCHAR 3 /* valid sequence, no character produced */ #define UNVIS_SYNBAD -1 /* unrecognized escape sequence */ #define UNVIS_ERROR -2 /* decoder in unknown state (unrecoverable) */ /* * unvis flags */ #define UNVIS_END 1 /* no more characters */ #include <sys/cdefs.h> __BEGIN_DECLS char *vis(char *, int, int, int); int strvis(char *, const char *, int); int strnvis(char *, const char *, size_t, int) __attribute__ ((__bounded__(__string__,1,3))); int strvisx(char *, const char *, size_t, int) __attribute__ ((__bounded__(__string__,1,3))); int strunvis(char *, const char *); int unvis(char *, char, int *, int); ssize_t strnunvis(char *, const char *, size_t) __attribute__ ((__bounded__(__string__,1,3))); __END_DECLS #endif /* !_VIS_H_ */