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- /* $OpenBSD: vis.h,v 1.15 2015/07/20 01:52:27 millert 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_DQ 0x200 /* backslash-escape double quotes */
- #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 */
- char *vis(char *, int, int, int);
- int strvis(char *, const char *, int);
- int stravis(char **, const char *, int);
- int strnvis(char *, const char *, size_t, int);
- int strvisx(char *, const char *, size_t, int);
- int strunvis(char *, const char *);
- int unvis(char *, char, int *, int);
- ssize_t strnunvis(char *, const char *, size_t);
- #endif /* !_VIS_H_ */
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