 0c3ae37f52
			
		
	
	
		0c3ae37f52
		
	
	
	
	
		
			
			The three are updated together as they are tightly coupled. Change-Id: I9e1f07b6adc6e8ae10833e6f1402f8472d2d34b8
		
			
				
	
	
		
			310 lines
		
	
	
		
			9.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			310 lines
		
	
	
		
			9.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*	$NetBSD: acs.c,v 1.20 2012/04/21 12:27:27 roy Exp $	*/
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| 
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| /*
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|  * Copyright (c) 2000 The NetBSD Foundation, Inc.
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|  * All rights reserved.
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|  *
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|  * This code is derived from software contributed to The NetBSD Foundation
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|  * by Julian Coleman.
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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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|  *
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|  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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|  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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|  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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|  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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|  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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|  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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|  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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|  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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|  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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|  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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|  * POSSIBILITY OF SUCH DAMAGE.
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|  */
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| 
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| #include <sys/cdefs.h>
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| #ifndef lint
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| __RCSID("$NetBSD: acs.c,v 1.20 2012/04/21 12:27:27 roy Exp $");
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| #endif				/* not lint */
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| 
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| #include "curses.h"
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| #include "curses_private.h"
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| 
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| chtype _acs_char[NUM_ACS];
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| #ifdef HAVE_WCHAR
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| #include <assert.h>
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| #include <locale.h>
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| #include <langinfo.h>
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| #include <strings.h>
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| 
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| cchar_t _wacs_char[ NUM_ACS ];
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| #endif /* HAVE_WCHAR */
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| 
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| /*
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|  * __init_acs --
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|  *	Fill in the ACS characters.  The 'acs_chars' terminfo entry is a list of
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|  *	character pairs - ACS definition then terminal representation.
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|  */
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| void
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| __init_acs(SCREEN *screen)
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| {
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| 	int		count;
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| 	const char	*aofac;	/* Address of 'ac' */
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| 	unsigned char	acs, term;
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| 
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| 	/* Default value '+' for all ACS characters */
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| 	for (count=0; count < NUM_ACS; count++)
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| 		_acs_char[count]= '+';
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| 
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| 	/* Add the SUSv2 defaults (those that are not '+') */
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| 	ACS_RARROW = '>';
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| 	ACS_LARROW = '<';
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| 	ACS_UARROW = '^';
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| 	ACS_DARROW = 'v';
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| 	ACS_BLOCK = '#';
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| /*	ACS_DIAMOND = '+';	*/
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| 	ACS_CKBOARD = ':';
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| 	ACS_DEGREE = 39;	/* ' */
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| 	ACS_PLMINUS = '#';
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| 	ACS_BOARD = '#';
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| 	ACS_LANTERN = '#';
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| /*	ACS_LRCORNER = '+';	*/
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| /*	ACS_URCORNER = '+';	*/
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| /*	ACS_ULCORNER = '+';	*/
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| /*	ACS_LLCORNER = '+';	*/
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| /*	ACS_PLUS = '+';		*/
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| 	ACS_HLINE = '-';
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| 	ACS_S1 = '-';
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| 	ACS_S9 = '_';
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| /*	ACS_LTEE = '+';		*/
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| /*	ACS_RTEE = '+';		*/
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| /*	ACS_BTEE = '+';		*/
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| /*	ACS_TTEE = '+';		*/
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| 	ACS_VLINE = '|';
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| 	ACS_BULLET = 'o';
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| 	/* Add the extensions defaults */
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| 	ACS_S3 = '-';
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| 	ACS_S7 = '-';
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| 	ACS_LEQUAL = '<';
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| 	ACS_GEQUAL = '>';
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| 	ACS_PI = '*';
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| 	ACS_NEQUAL = '!';
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| 	ACS_STERLING = 'f';
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| 
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| 	if (t_acs_chars(screen->term) == NULL)
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| 		goto out;
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| 
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| 	aofac = t_acs_chars(screen->term);
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| 
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| 	while (*aofac != '\0') {
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| 		if ((acs = *aofac) == '\0')
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| 			return;
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| 		if ((term = *++aofac) == '\0')
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| 			return;
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| 	 	/* Only add characters 1 to 127 */
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| 		if (acs < NUM_ACS)
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| 			_acs_char[acs] = term | __ALTCHARSET;
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| 		aofac++;
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| #ifdef DEBUG
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| 		__CTRACE(__CTRACE_INIT, "__init_acs: %c = %c\n", acs, term);
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| #endif
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| 	}
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| 
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| 	if (t_ena_acs(screen->term) != NULL)
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| 		ti_puts(screen->term, t_ena_acs(screen->term), 0,
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| 		    __cputchar_args, screen->outfd);
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| 
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| out:
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| 	for (count=0; count < NUM_ACS; count++)
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| 		screen->acs_char[count]= _acs_char[count];
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| }
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| 
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| void
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| _cursesi_reset_acs(SCREEN *screen)
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| {
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| 	int count;
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| 
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| 	for (count=0; count < NUM_ACS; count++)
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| 		_acs_char[count]= screen->acs_char[count];
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| }
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| 
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| #ifdef HAVE_WCHAR
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| /*
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|  * __init_wacs --
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|  *	Fill in the ACS characters.  The 'acs_chars' terminfo entry is a list of
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|  *	character pairs - ACS definition then terminal representation.
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|  */
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| void
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| __init_wacs(SCREEN *screen)
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| {
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| 	int		count;
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| 	const char	*aofac;	/* Address of 'ac' */
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| 	unsigned char	acs, term;
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| 	char	*lstr;
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| 
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| 	/* Default value '+' for all ACS characters */
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| 	for (count=0; count < NUM_ACS; count++) {
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| 		_wacs_char[ count ].vals[ 0 ] = ( wchar_t )btowc( '+' );
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| 		_wacs_char[ count ].attributes = 0;
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| 		_wacs_char[ count ].elements = 1;
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| 	}
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| 
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| 	/* Add the SUSv2 defaults (those that are not '+') */
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| 	if (!strcmp(setlocale(LC_CTYPE, NULL), "C"))
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| 		setlocale(LC_CTYPE, "");
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| 	lstr = nl_langinfo(CODESET);
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| 	_DIAGASSERT(lstr);
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| 	if (strcasecmp(lstr, "UTF-8")) {
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| #ifdef DEBUG
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| 		__CTRACE(__CTRACE_INIT, "__init_wacs: setting defaults\n" );
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| #endif /* DEBUG */
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| 		WACS_RARROW->vals[0]  = ( wchar_t )btowc( '>' );
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| 		WACS_LARROW->vals[0]  = ( wchar_t )btowc( '<' );
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| 		WACS_UARROW->vals[0]  = ( wchar_t )btowc( '^' );
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| 		WACS_DARROW->vals[0]  = ( wchar_t )btowc( 'v' );
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| 		WACS_BLOCK->vals[0]   = ( wchar_t )btowc( '#' );
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| 		WACS_CKBOARD->vals[0] = ( wchar_t )btowc( ':' );
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| 		WACS_DEGREE->vals[0]  = ( wchar_t )btowc( 39 );	/* ' */
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| 		WACS_PLMINUS->vals[0] = ( wchar_t )btowc( '#' );
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| 		WACS_BOARD->vals[0]   = ( wchar_t )btowc( '#' );
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| 		WACS_LANTERN->vals[0] = ( wchar_t )btowc( '#' );
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| 		WACS_HLINE->vals[0]   = ( wchar_t )btowc( '-' );
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| 		WACS_S1->vals[0]      = ( wchar_t )btowc( '-' );
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| 		WACS_S9->vals[0]      = ( wchar_t )btowc( '_' );
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| 		WACS_VLINE->vals[0]   = ( wchar_t )btowc( '|' );
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| 		WACS_BULLET->vals[0]  = ( wchar_t )btowc( 'o' );
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| 		WACS_S3->vals[0]      = ( wchar_t )btowc( 'p' );
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| 		WACS_S7->vals[0]      = ( wchar_t )btowc( 'r' );
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| 		WACS_LEQUAL->vals[0]  = ( wchar_t )btowc( 'y' );
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| 		WACS_GEQUAL->vals[0]  = ( wchar_t )btowc( 'z' );
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| 		WACS_PI->vals[0]      = ( wchar_t )btowc( '{' );
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| 		WACS_NEQUAL->vals[0]  = ( wchar_t )btowc( '|' );
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| 		WACS_STERLING->vals[0]= ( wchar_t )btowc( '}' );
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| 	} else {
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| 		/* Unicode defaults */
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| #ifdef DEBUG
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| 		__CTRACE(__CTRACE_INIT,
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| 		    "__init_wacs: setting Unicode defaults\n" );
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| #endif /* DEBUG */
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| 		WACS_RARROW->vals[0]  = 0x2192;
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| 		ACS_RARROW = '+' | __ACS_IS_WACS;
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| 		WACS_LARROW->vals[0]  = 0x2190;
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| 		ACS_LARROW = ',' | __ACS_IS_WACS;
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| 		WACS_UARROW->vals[0]  = 0x2191;
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| 		ACS_UARROW = '-' | __ACS_IS_WACS;
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| 		WACS_DARROW->vals[0]  = 0x2193;
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| 		ACS_DARROW = '.' | __ACS_IS_WACS;
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| 		WACS_BLOCK->vals[0]   = 0x25ae;
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| 		ACS_BLOCK = '0' | __ACS_IS_WACS;
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|   		WACS_DIAMOND->vals[0] = 0x25c6;
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| 		ACS_DIAMOND = '`' | __ACS_IS_WACS;
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| 		WACS_CKBOARD->vals[0] = 0x2592;
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| 		ACS_CKBOARD = 'a' | __ACS_IS_WACS;
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| 		WACS_DEGREE->vals[0]  = 0x00b0;
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| 		ACS_DEGREE = 'f' | __ACS_IS_WACS;
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| 		WACS_PLMINUS->vals[0] = 0x00b1;
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| 		ACS_PLMINUS = 'g' | __ACS_IS_WACS;
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| 		WACS_BOARD->vals[0]   = 0x2592;
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| 		ACS_BOARD = 'h' | __ACS_IS_WACS;
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| 		WACS_LANTERN->vals[0] = 0x2603;
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| 		ACS_LANTERN = 'i' | __ACS_IS_WACS;
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|   		WACS_LRCORNER->vals[0]= 0x2518;
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| 		ACS_LRCORNER = 'j' | __ACS_IS_WACS;
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|   		WACS_URCORNER->vals[0]= 0x2510;
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| 		ACS_URCORNER = 'k' | __ACS_IS_WACS;
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|   		WACS_ULCORNER->vals[0]= 0x250c;
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| 		ACS_ULCORNER = 'l' | __ACS_IS_WACS;
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|   		WACS_LLCORNER->vals[0]= 0x2514;
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| 		ACS_LLCORNER = 'm' | __ACS_IS_WACS;
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|   		WACS_PLUS->vals[0]    = 0x253c;
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| 		ACS_PLUS = 'n' | __ACS_IS_WACS;
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| 		WACS_HLINE->vals[0]   = 0x2500;
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| 		ACS_HLINE = 'q' | __ACS_IS_WACS;
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| 		WACS_S1->vals[0]      = 0x23ba;
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| 		ACS_S1 = 'o' | __ACS_IS_WACS;
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| 		WACS_S9->vals[0]      = 0x23bd;
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| 		ACS_S9 = 's' | __ACS_IS_WACS;
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|   		WACS_LTEE->vals[0]    = 0x251c;
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| 		ACS_LTEE = 't' | __ACS_IS_WACS;
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|   		WACS_RTEE->vals[0]    = 0x2524;
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| 		ACS_RTEE = 'u' | __ACS_IS_WACS;
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|   		WACS_BTEE->vals[0]    = 0x2534;
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| 		ACS_BTEE = 'v' | __ACS_IS_WACS;
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|   		WACS_TTEE->vals[0]    = 0x252c;
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| 		ACS_TTEE = 'w' | __ACS_IS_WACS;
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| 		WACS_VLINE->vals[0]   = 0x2502;
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| 		ACS_VLINE = 'x' | __ACS_IS_WACS;
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| 		WACS_BULLET->vals[0]  = 0x00b7;
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| 		ACS_BULLET = '~' | __ACS_IS_WACS;
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| 		WACS_S3->vals[0]      = 0x23bb;
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| 		ACS_S3 = 'p' | __ACS_IS_WACS;
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| 		WACS_S7->vals[0]      = 0x23bc;
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| 		ACS_S7 = 'r' | __ACS_IS_WACS;
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| 		WACS_LEQUAL->vals[0]  = 0x2264;
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| 		ACS_LEQUAL = 'y' | __ACS_IS_WACS;
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| 		WACS_GEQUAL->vals[0]  = 0x2265;
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| 		ACS_GEQUAL = 'z' | __ACS_IS_WACS;
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| 		WACS_PI->vals[0]      = 0x03C0;
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| 		ACS_PI = '{' | __ACS_IS_WACS;
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| 		WACS_NEQUAL->vals[0]  = 0x2260;
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| 		ACS_NEQUAL = '|' | __ACS_IS_WACS;
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| 		WACS_STERLING->vals[0]= 0x00A3;
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| 		ACS_STERLING = '}' | __ACS_IS_WACS;
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| 	}
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| 
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| 	if (t_acs_chars(screen->term) == NULL) {
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| #ifdef DEBUG
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| 		__CTRACE(__CTRACE_INIT,
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| 		    "__init_wacs: no alternative characters\n" );
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| #endif /* DEBUG */
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| 		goto out;
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| 	}
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| 
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| 	aofac = t_acs_chars(screen->term);
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| 
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| 	while (*aofac != '\0') {
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| 		if ((acs = *aofac) == '\0')
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| 			return;
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| 		if ((term = *++aofac) == '\0')
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| 			return;
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| 	 	/* Only add characters 1 to 127 */
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| 		if (acs < NUM_ACS) {
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| 			_wacs_char[acs].vals[ 0 ] = term;
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| 			_wacs_char[acs].attributes |= WA_ALTCHARSET;
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| 		}
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| 		aofac++;
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| #ifdef DEBUG
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| 		__CTRACE(__CTRACE_INIT, "__init_wacs: %c = %c\n", acs, term);
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| #endif
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| 	}
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| 
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| 	if (t_ena_acs(screen->term) != NULL)
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| 		ti_puts(screen->term, t_ena_acs(screen->term), 0,
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| 			   __cputchar_args, screen->outfd);
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| 
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| out:
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| 	for (count=0; count < NUM_ACS; count++) {
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| 		memcpy(&screen->wacs_char[count], &_wacs_char[count],
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| 			sizeof(cchar_t));
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| 		screen->acs_char[count]= _acs_char[count];
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| 	}
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| }
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| 
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| void
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| _cursesi_reset_wacs(SCREEN *screen)
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| {
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| 	int count;
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| 
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| 	for (count=0; count < NUM_ACS; count++)
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| 		memcpy( &_wacs_char[count], &screen->wacs_char[count],
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| 			sizeof( cchar_t ));
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| }
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| #endif /* HAVE_WCHAR */
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