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a2b40ee9a5
This was the default destructor for mbfl_identify_filter structs, but there's nothing we actually need to do to those structs before freeing them.
269 lines
7.1 KiB
C
269 lines
7.1 KiB
C
/*
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* "streamable kanji code filter and converter"
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* Copyright (c) 1998-2002 HappySize, Inc. All rights reserved.
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*
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* LICENSE NOTICES
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*
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* This file is part of "streamable kanji code filter and converter",
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* which is distributed under the terms of GNU Lesser General Public
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* License (version 2) as published by the Free Software Foundation.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with "streamable kanji code filter and converter";
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* if not, write to the Free Software Foundation, Inc., 59 Temple Place,
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* Suite 330, Boston, MA 02111-1307 USA
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*
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* The author of this file:
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*
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*/
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/*
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* The source code included in this files was separated from mbfilter.c
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* by Moriyoshi Koizumi <moriyoshi@php.net> on 20 Dec 2002. The file
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* mbfilter.c is included in this package .
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*
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*/
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#include <stddef.h>
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#include "mbfl_ident.h"
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#include "mbfilter_pass.h"
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#include "mbfilter_8bit.h"
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#include "mbfilter_wchar.h"
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#include "filters/mbfilter_euc_cn.h"
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#include "filters/mbfilter_hz.h"
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#include "filters/mbfilter_euc_tw.h"
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#include "filters/mbfilter_big5.h"
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#include "filters/mbfilter_uhc.h"
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#include "filters/mbfilter_euc_kr.h"
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#include "filters/mbfilter_iso2022_kr.h"
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#include "filters/mbfilter_sjis.h"
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#include "filters/mbfilter_sjis_open.h"
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#include "filters/mbfilter_sjis_mobile.h"
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#include "filters/mbfilter_jis.h"
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#include "filters/mbfilter_iso2022_jp_ms.h"
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#include "filters/mbfilter_iso2022jp_2004.h"
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#include "filters/mbfilter_iso2022jp_mobile.h"
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#include "filters/mbfilter_euc_jp.h"
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#include "filters/mbfilter_euc_jp_win.h"
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#include "filters/mbfilter_euc_jp_2004.h"
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#include "filters/mbfilter_utf8_mobile.h"
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#include "filters/mbfilter_ascii.h"
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#include "filters/mbfilter_koi8r.h"
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#include "filters/mbfilter_koi8u.h"
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#include "filters/mbfilter_cp866.h"
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#include "filters/mbfilter_cp932.h"
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#include "filters/mbfilter_cp936.h"
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#include "filters/mbfilter_cp1251.h"
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#include "filters/mbfilter_cp1252.h"
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#include "filters/mbfilter_cp1254.h"
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#include "filters/mbfilter_cp51932.h"
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#include "filters/mbfilter_cp5022x.h"
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#include "filters/mbfilter_gb18030.h"
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#include "filters/mbfilter_iso8859_1.h"
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#include "filters/mbfilter_iso8859_2.h"
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#include "filters/mbfilter_iso8859_3.h"
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#include "filters/mbfilter_iso8859_4.h"
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#include "filters/mbfilter_iso8859_5.h"
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#include "filters/mbfilter_iso8859_6.h"
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#include "filters/mbfilter_iso8859_7.h"
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#include "filters/mbfilter_iso8859_8.h"
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#include "filters/mbfilter_iso8859_9.h"
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#include "filters/mbfilter_iso8859_10.h"
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#include "filters/mbfilter_iso8859_13.h"
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#include "filters/mbfilter_iso8859_14.h"
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#include "filters/mbfilter_iso8859_15.h"
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#include "filters/mbfilter_base64.h"
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#include "filters/mbfilter_qprint.h"
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#include "filters/mbfilter_uuencode.h"
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#include "filters/mbfilter_7bit.h"
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#include "filters/mbfilter_utf7.h"
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#include "filters/mbfilter_utf7imap.h"
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#include "filters/mbfilter_utf8.h"
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#include "filters/mbfilter_utf16.h"
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#include "filters/mbfilter_utf32.h"
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#include "filters/mbfilter_byte2.h"
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#include "filters/mbfilter_byte4.h"
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#include "filters/mbfilter_ucs4.h"
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#include "filters/mbfilter_ucs2.h"
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#include "filters/mbfilter_htmlent.h"
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#include "filters/mbfilter_armscii8.h"
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#include "filters/mbfilter_cp850.h"
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static const struct mbfl_identify_vtbl vtbl_identify_false = {
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mbfl_no_encoding_pass,
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mbfl_filt_ident_false_ctor,
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mbfl_filt_ident_false
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};
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static const struct mbfl_identify_vtbl *mbfl_identify_filter_list[] = {
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&vtbl_identify_utf8,
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&vtbl_identify_utf7,
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&vtbl_identify_ascii,
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&vtbl_identify_eucjp,
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&vtbl_identify_sjis,
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&vtbl_identify_sjis_open,
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&vtbl_identify_eucjpwin,
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&vtbl_identify_eucjp2004,
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&vtbl_identify_cp932,
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&vtbl_identify_jis,
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&vtbl_identify_2022jp,
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&vtbl_identify_2022jpms,
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&vtbl_identify_2022jp_2004,
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&vtbl_identify_2022jp_kddi,
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&vtbl_identify_cp51932,
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&vtbl_identify_sjis_docomo,
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&vtbl_identify_sjis_kddi,
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&vtbl_identify_sjis_sb,
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&vtbl_identify_utf8_docomo,
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&vtbl_identify_utf8_kddi_a,
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&vtbl_identify_utf8_kddi_b,
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&vtbl_identify_utf8_sb,
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&vtbl_identify_euccn,
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&vtbl_identify_cp936,
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&vtbl_identify_hz,
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&vtbl_identify_euctw,
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&vtbl_identify_big5,
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&vtbl_identify_cp950,
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&vtbl_identify_euckr,
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&vtbl_identify_uhc,
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&vtbl_identify_2022kr,
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&vtbl_identify_cp1251,
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&vtbl_identify_cp866,
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&vtbl_identify_koi8r,
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&vtbl_identify_koi8u,
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&vtbl_identify_cp1252,
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&vtbl_identify_cp1254,
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&vtbl_identify_8859_1,
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&vtbl_identify_8859_2,
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&vtbl_identify_8859_3,
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&vtbl_identify_8859_4,
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&vtbl_identify_8859_5,
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&vtbl_identify_8859_6,
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&vtbl_identify_8859_7,
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&vtbl_identify_8859_8,
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&vtbl_identify_8859_9,
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&vtbl_identify_8859_10,
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&vtbl_identify_8859_13,
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&vtbl_identify_8859_14,
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&vtbl_identify_8859_15,
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&vtbl_identify_armscii8,
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&vtbl_identify_cp850,
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&vtbl_identify_jis_ms,
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&vtbl_identify_cp50220,
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&vtbl_identify_cp50221,
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&vtbl_identify_cp50222,
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&vtbl_identify_gb18030,
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&vtbl_identify_false,
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NULL
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};
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/*
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* identify filter
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*/
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const struct mbfl_identify_vtbl * mbfl_identify_filter_get_vtbl(enum mbfl_no_encoding encoding)
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{
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const struct mbfl_identify_vtbl * vtbl;
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int i;
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i = 0;
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while ((vtbl = mbfl_identify_filter_list[i++]) != NULL) {
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if (vtbl->encoding == encoding) {
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break;
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}
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}
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return vtbl;
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}
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mbfl_identify_filter *mbfl_identify_filter_new(enum mbfl_no_encoding encoding)
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{
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mbfl_identify_filter *filter = emalloc(sizeof(mbfl_identify_filter));
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if (mbfl_identify_filter_init(filter, encoding)) {
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efree(filter);
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return NULL;
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}
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return filter;
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}
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mbfl_identify_filter *mbfl_identify_filter_new2(const mbfl_encoding *encoding)
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{
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mbfl_identify_filter *filter = emalloc(sizeof(mbfl_identify_filter));
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if (mbfl_identify_filter_init2(filter, encoding)) {
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efree(filter);
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return NULL;
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}
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return filter;
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}
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int mbfl_identify_filter_init(mbfl_identify_filter *filter, enum mbfl_no_encoding encoding)
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{
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const mbfl_encoding *enc = mbfl_no2encoding(encoding);
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return mbfl_identify_filter_init2(filter, enc ? enc: &mbfl_encoding_pass);
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}
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int mbfl_identify_filter_init2(mbfl_identify_filter *filter, const mbfl_encoding *encoding)
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{
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const struct mbfl_identify_vtbl *vtbl;
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/* encoding structure */
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filter->encoding = encoding;
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filter->status = 0;
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filter->flag = 0;
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filter->score = 0;
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/* setup the function table */
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vtbl = mbfl_identify_filter_get_vtbl(filter->encoding->no_encoding);
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if (vtbl == NULL) {
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vtbl = &vtbl_identify_false;
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}
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filter->filter_ctor = vtbl->filter_ctor;
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filter->filter_function = vtbl->filter_function;
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/* constructor */
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(*filter->filter_ctor)(filter);
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return 0;
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}
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void mbfl_identify_filter_delete(mbfl_identify_filter *filter)
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{
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if (filter == NULL) {
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return;
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}
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efree((void*)filter);
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}
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void mbfl_filt_ident_common_ctor(mbfl_identify_filter *filter)
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{
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filter->status = 0;
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filter->flag = 0;
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}
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int mbfl_filt_ident_false(int c, mbfl_identify_filter *filter)
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{
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filter->flag = 1; /* bad */
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return c;
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}
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void mbfl_filt_ident_false_ctor(mbfl_identify_filter *filter)
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{
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filter->status = 0;
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filter->flag = 1;
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}
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int mbfl_filt_ident_true(int c, mbfl_identify_filter *filter)
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{
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return c;
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}
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