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freebsd/contrib/tcsh/tc.nls.h
2005-04-24 19:41:08 +00:00

100 lines
3.4 KiB
C

/* $Header: /src/pub/tcsh/tc.nls.h,v 3.9 2005/03/03 15:52:20 kim Exp $ */
/*
* tc.nls.h: NLS support
*
*/
/*-
* Copyright (c) 1980, 1991 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.
*/
#ifndef _h_tc_nls
#define _h_tc_nls
#include "sh.h"
#define NLSZEROT ((size_t)-1)
#ifdef WIDE_STRINGS
# define NLSSize(s, l) 1
# define NLSFrom(s, l, cp) (USE (l), (*(cp) = *(s) & CHAR), 1)
# define NLSFinished(s, l, c) (l != 0 && c != CHAR_ERR ? 2 : 1)
# define NLSChars(s) Strlen(s)
# define NLSQuote(s)
# define TRIM_AND_EXTEND(s, c) (c &= TRIM)
extern int NLSWidth __P((NLSChar));
extern int NLSStringWidth __P((Char *));
#define NLS_ILLEGAL INVALID_BYTE
#else
# ifdef SHORT_STRINGS
extern int NLSFrom __P((const Char *, size_t, NLSChar *));
extern int NLSFinished __P((Char *, size_t, eChar));
extern int NLSChars __P((Char *));
extern int NLSStringWidth __P((Char *));
extern int NLSWidth __P((NLSChar));
extern int NLSTo __P((Char *, NLSChar));
extern void NLSQuote __P((Char *));
#define NLSSize(s, l) NLSFrom(s, l, (NLSChar *)0)
#define TRIM_AND_EXTEND(s, c) (s += NLSFrom(s - 1, NLSZEROT, &c) - 1)
#define NLS_ILLEGAL 0x40000000
# else
# define NLSSize(s, l) 1
# define NLSFrom(s, l, cp) (USE (l), (*(cp) = *(s) & CHAR), 1)
# define NLSFinished(s, l, c) (l != 0 && c != CHAR_ERR ? 2 : 1)
# define NLSChars(s) Strlen(s)
# define NLSStringWidth(s) Strlen(s)
# define NLSWidth(c) 1
# define NLSQuote(s)
# define TRIM_AND_EXTEND(s, c) (c &= TRIM)
# define NLS_ILLEGAL 0x40000000
# endif
#endif
extern int NLSExtend __P((Char *, int, int));
extern Char *NLSChangeCase __P((Char *, int));
extern int NLSClassify __P((NLSChar, int));
#define NLSCLASS_CTRL (-1)
#define NLSCLASS_TAB (-2)
#define NLSCLASS_NL (-3)
#define NLSCLASS_ILLEGAL (-4)
#define NLSCLASS_ILLEGAL2 (-5)
#define NLSCLASS_ILLEGAL3 (-6)
#define NLSCLASS_ILLEGAL4 (-7)
#define NLSCLASS_ILLEGAL_SIZE(x) (-(x) - (-(NLSCLASS_ILLEGAL) - 1))
#endif