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			97 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			97 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*	$NetBSD: vis.h,v 1.12 2002/03/23 17:39:05 christos Exp $	*/ | ||
|  | 
 | ||
|  | /*-
 | ||
|  |  * Copyright (c) 1990, 1993 | ||
|  |  *	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. All advertising materials mentioning features or use of this software | ||
|  |  *    must display the following acknowledgement: | ||
|  |  *	This product includes software developed by the University of | ||
|  |  *	California, Berkeley and its contributors. | ||
|  |  * 4. 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	8.1 (Berkeley) 6/2/93 | ||
|  |  */ | ||
|  | 
 | ||
|  | #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 appropiate */
 | ||
|  | 
 | ||
|  | /*
 | ||
|  |  * 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 */
 | ||
|  | 
 | ||
|  | /*
 | ||
|  |  * other | ||
|  |  */ | ||
|  | #define	VIS_NOSLASH	0x40	/* inhibit printing '\' */
 | ||
|  | #define	VIS_HTTPSTYLE	0x80	/* http-style escape % HEX HEX */
 | ||
|  | 
 | ||
|  | /*
 | ||
|  |  * 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 __P((char *, int, int, int)); | ||
|  | char	*svis __P((char *, int, int, int, const char *)); | ||
|  | int	strvis __P((char *, const char *, int)); | ||
|  | int	strsvis __P((char *, const char *, int, const char *)); | ||
|  | int	strvisx __P((char *, const char *, size_t, int)); | ||
|  | int	strsvisx __P((char *, const char *, size_t, int, const char *)); | ||
|  | int	strunvis __P((char *, const char *)); | ||
|  | int	strunvisx __P((char *, const char *, int)); | ||
|  | #ifdef __LIBC12_SOURCE__
 | ||
|  | int	unvis __P((char *, int, int *, int)); | ||
|  | int	__unvis13 __P((char *, int, int *, int)); | ||
|  | #else
 | ||
|  | int	unvis __P((char *, int, int *, int))	__RENAME(__unvis13); | ||
|  | #endif
 | ||
|  | __END_DECLS | ||
|  | 
 | ||
|  | #endif /* !_VIS_H_ */
 |