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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/*
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* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
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*
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* This library is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors: Jeffrey Stedfast <fejj@ximian.com>
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <iconv.h>
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enum {
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ISO_UNSUPPORTED = 0,
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/* iso-8859-1 */
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ISO_DASH_D_DASH_D_LOWER = (1 << 0),
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ISO_DASH_D_DASH_D = (1 << 1),
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ISO_D_DASH_D = (1 << 2),
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ISO_D_D = (1 << 3),
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ISO_UNDER_D_DASH_D = (1 << 4),
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NO_ISO_D_DASH_D = (1 << 5),
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/* iso-10646-1 */
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/*ISO_DASH_D_DASH_D_LOWER = (1 << 0),*/
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/*ISO_DASH_D_DASH_D = (1 << 1),*/
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/*ISO_D_DASH_D = (1 << 2),*/
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ISO_DASH_D_LOWER = (1 << 3),
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ISO_DASH_D = (1 << 4),
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ISO_D = (1 << 5),
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UCS4 = (1 << 6),
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/* iso-2022-jp */
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ISO_DASH_D_DASH_S_LOWER = (1 << 0),
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ISO_DASH_D_DASH_S = (1 << 1),
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ISO_D_DASH_S = (1 << 2),
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};
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typedef struct {
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const char *charset;
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const char *format;
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int id;
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} CharInfo;
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static CharInfo iso8859_tests[] = {
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{ "iso-8859-1", "iso-%d-%d", ISO_DASH_D_DASH_D_LOWER },
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{ "ISO-8859-1", "ISO-%d-%d", ISO_DASH_D_DASH_D },
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{ "ISO8859-1", "ISO%d-%d", ISO_D_DASH_D },
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{ "ISO88591", "ISO%d%d", ISO_D_D },
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{ "ISO_8859-1", "ISO_%d-%d", ISO_UNDER_D_DASH_D },
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{ "8859-1", "%d-%d", NO_ISO_D_DASH_D },
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};
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static int num_iso8859_tests = sizeof (iso8859_tests) / sizeof (CharInfo);
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static CharInfo iso2022_tests[] = {
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{ "iso-2022-jp", "iso-%d-%s", ISO_DASH_D_DASH_S_LOWER },
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{ "ISO-2022-JP", "ISO-%d-%s", ISO_DASH_D_DASH_S },
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{ "ISO2022-JP", "ISO%d-%s", ISO_D_DASH_S },
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};
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static int num_iso2022_tests = sizeof (iso2022_tests) / sizeof (CharInfo);
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static CharInfo iso10646_tests[] = {
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{ "iso-10646-1", "iso-%d-%d", ISO_DASH_D_DASH_D_LOWER },
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{ "ISO-10646-1", "ISO-%d-%d", ISO_DASH_D_DASH_D },
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{ "ISO10646-1", "ISO%d-%d", ISO_D_DASH_D },
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{ "iso-10646", "iso-%d", ISO_DASH_D_LOWER },
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{ "ISO-10646", "ISO-%d", ISO_DASH_D },
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{ "ISO10646", "ISO%d", ISO_D },
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{ "UCS-4BE", "UCS-4BE", UCS4 },
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};
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static int num_iso10646_tests = sizeof (iso10646_tests) / sizeof (CharInfo);
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static int
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test_iconv (void)
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{
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char *jp = (char *) "\x1B\x24\x42\x46\x7C\x4B\x5C\x38\x6C";
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const char *utf8 = "\xE6\x97\xA5\xE6\x9C\xAC\xE8\xAA\x9E";
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char *transbuf = malloc (10), *trans = transbuf;
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iconv_t cd;
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size_t jp_len = strlen (jp), utf8_len = 10;
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size_t utf8_real_len = strlen (utf8);
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cd = iconv_open ("UTF-8", "ISO-2022-JP");
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if (cd == (iconv_t) -1)
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return 0;
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if (iconv (cd, &jp, &jp_len, &trans, &utf8_len) == -1 || jp_len != 0) {
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iconv_close (cd);
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return 0;
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}
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if (memcmp (utf8, transbuf, utf8_real_len) != 0) {
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iconv_close (cd);
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return 0;
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}
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iconv_close (cd);
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return 1;
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}
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int
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main (int argc,
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char **argv)
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{
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unsigned int iso8859, iso2022, iso10646;
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CharInfo *info;
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iconv_t cd;
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FILE *fp;
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int i;
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if (!test_iconv ())
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return 1;
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fp = fopen (ICONV_DETECT_BUILD_DIR "iconv-detect.h", "w");
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if (fp == NULL)
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return 255;
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fprintf (fp, "/* This is an auto-generated header, DO NOT EDIT! */\n\n");
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iso8859 = ISO_UNSUPPORTED;
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info = iso8859_tests;
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/*printf ("#define DEFAULT_ISO_FORMAT(iso,codepage)\t");*/
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for (i = 0; i < num_iso8859_tests; i++) {
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cd = iconv_open (info[i].charset, "UTF-8");
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if (cd != (iconv_t) -1) {
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iconv_close (cd);
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/*printf ("(\"%s\", (iso), (codepage))\n", info[i].format);*/
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fprintf (stderr, "System prefers %s\n", info[i].charset);
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iso8859 = info[i].id;
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break;
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}
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}
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if (iso8859 == ISO_UNSUPPORTED) {
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fprintf (stderr, "System doesn't support any ISO-8859-1 formats\n");
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fprintf (fp, "#define ICONV_ISO_D_FORMAT \"%s\"\n", info[0].format);
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} else {
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fprintf (fp, "#define ICONV_ISO_D_FORMAT \"%s\"\n", info[i].format);
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}
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iso2022 = ISO_UNSUPPORTED;
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info = iso2022_tests;
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/*printf ("#define ISO_2022_FORMAT(iso,codepage)\t");*/
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for (i = 0; i < num_iso2022_tests; i++) {
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cd = iconv_open (info[i].charset, "UTF-8");
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if (cd != (iconv_t) -1) {
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iconv_close (cd);
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/*printf ("(\"%s\", (iso), (codepage))\n", info[i].format);*/
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fprintf (stderr, "System prefers %s\n", info[i].charset);
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iso2022 = info[i].id;
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break;
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}
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}
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if (iso2022 == ISO_UNSUPPORTED) {
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fprintf (stderr, "System doesn't support any ISO-2022 formats\n");
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fprintf (fp, "#define ICONV_ISO_S_FORMAT \"%s\"\n", info[0].format);
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} else {
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fprintf (fp, "#define ICONV_ISO_S_FORMAT \"%s\"\n", info[i].format);
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}
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iso10646 = ISO_UNSUPPORTED;
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info = iso10646_tests;
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/*printf ("#define ISO_10646_FORMAT(iso,codepage)\t");*/
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for (i = 0; i < num_iso10646_tests; i++) {
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cd = iconv_open (info[i].charset, "UTF-8");
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if (cd != (iconv_t) -1) {
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iconv_close (cd);
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/*if (info[i].id < ISO_DASH_D_LOWER)
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printf ("(\"%s\", (iso), (codepage))\n", info[i].format);
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else
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printf ("(\"%s\", (iso))\n", info[i].format);*/
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fprintf (stderr, "System prefers %s\n", info[i].charset);
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iso10646 = info[i].id;
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break;
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}
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}
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/* we don't need a printf format for iso-10646 because there is only 1 */
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if (iso10646 == ISO_UNSUPPORTED) {
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fprintf (stderr, "System doesn't support any ISO-10646-1 formats\n");
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fprintf (fp, "#define ICONV_10646 \"%s\"\n", info[0].charset);
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} else {
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fprintf (fp, "#define ICONV_10646 \"%s\"\n", info[i].charset);
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}
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fclose (fp);
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return 0;
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}
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