LCOM1920-T02G10

/*        $NetBSD: vis.h,v 1.23 2015/05/23 11:48:31 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_

#include <sys/types.h>

/*

 * to select alternate encoding format

 */

#define        VIS_OCTAL        0x0001        /* use octal \ddd format */

#define        VIS_CSTYLE        0x0002        /* 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                0x0004        /* also encode space */

#define        VIS_TAB                0x0008        /* also encode tab */

#define        VIS_NL                0x0010        /* also encode newline */

#define        VIS_WHITE        (VIS_SP | VIS_TAB | VIS_NL)

#define        VIS_SAFE        0x0020        /* only encode "unsafe" characters */

/*

 * other

 */

#define        VIS_NOSLASH        0x0040        /* inhibit printing '\' */

#define        VIS_HTTP1808        0x0080        /* http-style escape % hex hex */

#define        VIS_HTTPSTYLE        0x0080        /* http-style escape % hex hex */

#define        VIS_MIMESTYLE        0x0100        /* mime-style escape = HEX HEX */

#define        VIS_HTTP1866        0x0200        /* http-style &#num; or &string; */

#define        VIS_NOESCAPE        0x0400        /* don't decode `\' */

#define        _VIS_END        0x0800        /* for unvis */

#define        VIS_GLOB        0x1000        /* encode glob(3) magic characters */

#define        VIS_SHELL        0x2000        /* encode shell special characters [not glob] */

#define        VIS_META        (VIS_WHITE | VIS_GLOB | VIS_SHELL)

#define        VIS_NOLOCALE        0x4000        /* encode using the C locale */

/*

 * 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        _VIS_END        /* no more characters */

#include <sys/cdefs.h>

__BEGIN_DECLS

char        *vis(char *, int, int, int);

char        *nvis(char *, size_t, int, int, int);

char        *svis(char *, int, int, int, const char *);

char        *snvis(char *, size_t, int, int, int, const char *);

int        strvis(char *, const char *, int);

int        strnvis(char *, size_t, const char *, int);

int        strsvis(char *, const char *, int, const char *);

int        strsnvis(char *, size_t, const char *, int, const char *);

int        strvisx(char *, const char *, size_t, int);

int        strnvisx(char *, size_t, const char *, size_t, int);

int         strenvisx(char *, size_t, const char *, size_t, int, int *);

int        strsvisx(char *, const char *, size_t, int, const char *);

int        strsnvisx(char *, size_t, const char *, size_t, int, const char *);

int        strsenvisx(char *, size_t, const char *, size_t , int, const char *,

    int *);

int        strunvis(char *, const char *);

int        strnunvis(char *, size_t, const char *);

int        strunvisx(char *, const char *, int);

int        strnunvisx(char *, size_t, const char *, int);

#ifndef __LIBC12_SOURCE__

int        unvis(char *, int, int *, int) __RENAME(__unvis50);

#endif

__END_DECLS

#endif /* !_VIS_H_ */