122 lines
4.5 KiB
C
122 lines
4.5 KiB
C
/* $NetBSD: vis.h,v 1.26 2022/05/20 21:31:24 andvar Exp $ */
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/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)vis.h 8.1 (Berkeley) 6/2/93
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*/
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#ifndef _VIS_H_
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#define _VIS_H_
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#include <sys/types.h>
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/*
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* to select alternate encoding format
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*/
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#define VIS_OCTAL 0x0001 /* use octal \ddd format */
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#define VIS_CSTYLE 0x0002 /* use \[nrft0..] where appropriate */
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/*
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* to alter set of characters encoded (default is to encode all
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* non-graphic except space, tab, and newline).
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*/
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#define VIS_SP 0x0004 /* also encode space */
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#define VIS_TAB 0x0008 /* also encode tab */
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#define VIS_NL 0x0010 /* also encode newline */
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#define VIS_WHITE (VIS_SP | VIS_TAB | VIS_NL)
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#define VIS_SAFE 0x0020 /* only encode "unsafe" characters */
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#define VIS_DQ 0x8000 /* also encode double quotes */
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/*
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* other
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*/
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#define VIS_NOSLASH 0x0040 /* inhibit printing '\' */
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#define VIS_HTTP1808 0x0080 /* http-style escape % hex hex */
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#define VIS_HTTPSTYLE 0x0080 /* http-style escape % hex hex */
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#define VIS_MIMESTYLE 0x0100 /* mime-style escape = HEX HEX */
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#define VIS_HTTP1866 0x0200 /* http-style &#num; or &string; */
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#define VIS_NOESCAPE 0x0400 /* don't decode `\' */
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#define _VIS_END 0x0800 /* for unvis */
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#define VIS_GLOB 0x1000 /* encode glob(3) magic characters */
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#define VIS_SHELL 0x2000 /* encode shell special characters [not glob] */
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#define VIS_META (VIS_WHITE | VIS_GLOB | VIS_SHELL)
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#define VIS_NOLOCALE 0x4000 /* encode using the C locale */
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/*
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* unvis return codes
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*/
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#define UNVIS_VALID 1 /* character valid */
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#define UNVIS_VALIDPUSH 2 /* character valid, push back passed char */
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#define UNVIS_NOCHAR 3 /* valid sequence, no character produced */
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#define UNVIS_SYNBAD -1 /* unrecognized escape sequence */
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#define UNVIS_ERROR -2 /* decoder in unknown state (unrecoverable) */
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/*
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* unvis flags
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*/
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#define UNVIS_END _VIS_END /* no more characters */
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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char *vis(char *, int, int, int);
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char *nvis(char *, size_t, int, int, int);
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char *svis(char *, int, int, int, const char *);
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char *snvis(char *, size_t, int, int, int, const char *);
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int strvis(char *, const char *, int);
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int stravis(char **, const char *, int);
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int strnvis(char *, size_t, const char *, int);
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int strsvis(char *, const char *, int, const char *);
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int strsnvis(char *, size_t, const char *, int, const char *);
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int strvisx(char *, const char *, size_t, int);
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int strnvisx(char *, size_t, const char *, size_t, int);
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int strenvisx(char *, size_t, const char *, size_t, int, int *);
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int strsvisx(char *, const char *, size_t, int, const char *);
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int strsnvisx(char *, size_t, const char *, size_t, int, const char *);
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int strsenvisx(char *, size_t, const char *, size_t , int, const char *,
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int *);
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int strunvis(char *, const char *);
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int strnunvis(char *, size_t, const char *);
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int strunvisx(char *, const char *, int);
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int strnunvisx(char *, size_t, const char *, int);
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#ifndef __LIBC12_SOURCE__
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int unvis(char *, int, int *, int) __RENAME(__unvis50);
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#endif
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__END_DECLS
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#endif /* !_VIS_H_ */
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