277 lines
7.3 KiB
C
277 lines
7.3 KiB
C
/* $NetBSD: acs.c,v 1.16 2008/07/04 16:24:45 tnozaki Exp $ */
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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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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: acs.c,v 1.16 2008/07/04 16:24:45 tnozaki Exp $");
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#endif /* not lint */
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#include "curses.h"
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#include "curses_private.h"
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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 <langinfo.h>
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#include <strings.h>
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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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* __init_acs --
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* Fill in the ACS characters. The 'ac' termcap 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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char *aofac; /* Address of 'ac' */
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unsigned char acs, term;
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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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/* 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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if (screen->tc_ac == NULL)
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goto out;
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aofac = screen->tc_ac;
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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 (++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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if (screen->tc_eA != NULL)
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t_puts(screen->cursesi_genbuf, screen->tc_eA, 0,
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__cputchar_args, screen->outfd);
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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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void
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_cursesi_reset_acs(SCREEN *screen)
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{
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int count;
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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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#ifdef HAVE_WCHAR
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/*
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* __init_wacs --
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* Fill in the ACS characters. The 'ac' termcap 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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char *aofac; /* Address of 'ac' */
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unsigned char acs, term;
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char *lstr;
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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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/* Add the SUSv2 defaults (those that are not '+') */
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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 = ( wchar_t )btowc( '>' );
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WACS_LARROW = ( wchar_t )btowc( '<' );
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WACS_UARROW = ( wchar_t )btowc( '^' );
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WACS_DARROW = ( wchar_t )btowc( 'v' );
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WACS_BLOCK = ( wchar_t )btowc( '#' );
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WACS_CKBOARD = ( wchar_t )btowc( ':' );
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WACS_DEGREE = ( wchar_t )btowc( 39 ); /* ' */
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WACS_PLMINUS = ( wchar_t )btowc( '#' );
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WACS_BOARD = ( wchar_t )btowc( '#' );
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WACS_LANTERN = ( wchar_t )btowc( '#' );
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WACS_HLINE = ( wchar_t )btowc( '-' );
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WACS_S1 = ( wchar_t )btowc( '-' );
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WACS_S9 = ( wchar_t )btowc( '_' );
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WACS_VLINE = ( wchar_t )btowc( '|' );
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WACS_BULLET = ( wchar_t )btowc( 'o' );
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WACS_S3 = ( wchar_t )btowc( 'p' );
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WACS_S7 = ( wchar_t )btowc( 'r' );
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WACS_LEQUAL = ( wchar_t )btowc( 'y' );
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WACS_GEQUAL = ( wchar_t )btowc( 'z' );
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WACS_PI = ( wchar_t )btowc( '{' );
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WACS_NEQUAL = ( wchar_t )btowc( '|' );
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WACS_STERLING = ( 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 = 0x2192;
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WACS_LARROW = 0x2190;
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WACS_UARROW = 0x2192;
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WACS_DARROW = 0x2193;
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WACS_BLOCK = 0x25ae;
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WACS_DIAMOND = 0x25c6;
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WACS_CKBOARD = 0x2592;
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WACS_DEGREE = 0x00b0;
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WACS_PLMINUS = 0x00b1;
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WACS_BOARD = 0x2592;
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WACS_LANTERN = 0x2603;
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WACS_LRCORNER = 0x2518;
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WACS_URCORNER = 0x2510;
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WACS_ULCORNER = 0x250c;
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WACS_LLCORNER = 0x2514;
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WACS_PLUS = 0x253c;
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WACS_HLINE = 0x2500;
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WACS_S1 = 0x23ba;
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WACS_S9 = 0x23bd;
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WACS_LTEE = 0x251c;
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WACS_RTEE = 0x2524;
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WACS_BTEE = 0x2534;
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WACS_TTEE = 0x252c;
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WACS_VLINE = 0x2502;
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WACS_BULLET = 0x00b7;
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WACS_S3 = 0x23bb;
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WACS_S7 = 0x23bc;
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WACS_LEQUAL = 0x2264;
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WACS_GEQUAL = 0x2265;
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WACS_PI = 0x03C0;
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WACS_NEQUAL = 0x2260;
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WACS_STERLING = 0x00A3;
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}
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if (screen->tc_ac == 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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aofac = screen->tc_ac;
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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 (++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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if (screen->tc_eA != NULL)
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t_puts(screen->cursesi_genbuf, screen->tc_eA, 0,
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__cputchar_args, screen->outfd);
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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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}
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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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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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