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/* $NetBSD: vis.h,v 1.16 2005/09/13 01:44:32 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. 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_
#ifndef ROKEN_LIB_FUNCTION
#ifdef _WIN32
#define ROKEN_LIB_FUNCTION
#define ROKEN_LIB_CALL __cdecl
#else
#define ROKEN_LIB_FUNCTION
#define ROKEN_LIB_CALL
#endif
#endif
#include <sys/types.h>
#include <roken.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 */
ROKEN_CPP_START
ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL
rk_vis(char *, int, int, int);
ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL
rk_svis(char *, int, int, int, const char *);
ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
rk_strvis(char *, const char *, int);
ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
rk_strsvis(char *, const char *, int, const char *);
ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
rk_strvisx(char *, const char *, size_t, int);
ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
rk_strsvisx(char *, const char *, size_t, int, const char *);
ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
rk_strunvis(char *, const char *);
ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
rk_strunvisx(char *, const char *, int);
ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
rk_unvis(char *, int, int *, int);
ROKEN_CPP_END
#ifndef HAVE_VIS
#undef vis
#define vis(a,b,c,d) rk_vis(a,b,c,d)
#endif
#ifndef HAVE_SVIS
#undef svis
#define svis(a,b,c,d,e) rk_svis(a,b,c,d,e)
#endif
#ifndef HAVE_STRVIS
#undef strvis
#define strvis(a,b,c) rk_strvis(a,b,c)
#endif
#ifndef HAVE_STRSVIS
#undef strsvis
#define strsvis(a,b,c,d) rk_strsvis(a,b,c,d)
#endif
#ifndef HAVE_STRVISX
#undef strvisx
#define strvisx(a,b,c,d) rk_strvisx(a,b,c,d)
#endif
#ifndef HAVE_STRSVISX
#undef strsvisx
#define strsvisx(a,b,c,d,e) rk_strsvisx(a,b,c,d,e)
#endif
#ifndef HAVE_STRUNVIS
#undef strunvis
#define strunvis(a,b) rk_strunvis(a,b)
#endif
#ifndef HAVE_UNVIS
#undef unvis
#define unvis(a,b,c,d) rk_unvis(a,b,c,d)
#endif
#endif /* !_VIS_H_ */
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