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/* Copyright (C) 2004-2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by GOTO Masanori <gotom@debian.or.jp>, 2004
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <iconv.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#define SIZE 256 /* enough room for conversion */
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#define SAMPLESTR "abc"
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struct unalign
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{
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char str1[1];
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char str2[SIZE];
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};
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struct convcode
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{
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const char *tocode;
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const char *fromcode;
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};
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/* test builtin transformation */
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static const struct convcode testcode[] = {
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{"ASCII", "ASCII"},
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{"UTF-8", "ASCII"},
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{"UCS-2BE", "ASCII"},
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{"UCS-2LE", "ASCII"},
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{"UCS-4BE", "ASCII"},
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{"UCS-4LE", "ASCII"},
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};
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static const int number = (int) sizeof (testcode) / sizeof (struct convcode);
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static int
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convert (const char *tocode, const char *fromcode, char *inbufp,
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size_t inbytesleft, char *outbufp, size_t outbytesleft)
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{
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iconv_t *ic;
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size_t outbytes = outbytesleft;
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int ret;
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ic = iconv_open (tocode, fromcode);
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if (ic == (iconv_t *) - 1)
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{
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printf ("iconv_open failed: from: %s, to: %s: %s",
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fromcode, tocode, strerror (errno));
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return -1;
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}
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while (inbytesleft > 0)
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{
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ret = iconv (ic, &inbufp, &inbytesleft, &outbufp, &outbytes);
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if (ret == -1)
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{
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printf ("iconv failed: from: %s, to: %s: %s",
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fromcode, tocode, strerror (errno));
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return -1;
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}
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}
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ret = iconv_close (ic);
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if (ret == -1)
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{
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printf ("iconv_close failed: from: %s, to: %s: %s",
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fromcode, tocode, strerror (errno));
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return -1;
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}
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return outbytesleft - outbytes;
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}
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static int
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test_unalign (const struct convcode *codes, const char *str, int len)
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{
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struct unalign *inbufp, *outbufp;
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char *inbuf, *outbuf;
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size_t inbytesleft, outbytesleft;
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int retlen;
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/* allocating unaligned buffer for both inbuf and outbuf */
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inbufp = (struct unalign *) malloc (sizeof (struct unalign));
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if (!inbufp)
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{
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printf ("no memory available\n");
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exit (1);
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}
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inbuf = inbufp->str2;
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outbufp = (struct unalign *) malloc (sizeof (struct unalign));
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if (!outbufp)
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{
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printf ("no memory available\n");
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exit (1);
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}
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outbuf = outbufp->str2;
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/* first iconv phase */
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memcpy (inbuf, str, len);
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inbytesleft = len;
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outbytesleft = sizeof (struct unalign);
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retlen = convert (codes->tocode, codes->fromcode, inbuf, inbytesleft,
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outbuf, outbytesleft);
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if (retlen == -1) /* failed */
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return 1;
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/* second round trip iconv phase */
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memcpy (inbuf, outbuf, retlen);
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inbytesleft = retlen;
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outbytesleft = sizeof (struct unalign);
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retlen = convert (codes->fromcode, codes->tocode, inbuf, inbytesleft,
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outbuf, outbytesleft);
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if (retlen == -1) /* failed */
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return 1;
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free (inbufp);
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free (outbufp);
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return 0;
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}
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static int
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do_test (void)
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{
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int i;
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int ret = 0;
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for (i = 0; i < number; i++)
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{
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ret = test_unalign (&testcode[i], (char *) SAMPLESTR, sizeof (SAMPLESTR));
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if (ret)
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break;
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printf ("iconv: %s <-> %s: ok\n",
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testcode[i].fromcode, testcode[i].tocode);
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}
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if (ret == 0)
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printf ("Succeeded.\n");
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return ret;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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