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/* bug 17197: check that iconv doesn't emit invalid extra shift character
Copyright (C) 2015-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <iconv.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
static int
do_test (void)
{
static const char *charsets[] =
{ "IBM930", "IBM933", "IBM935", "IBM937", "IBM939" };
static const char *expects[] =
{ "\016\x44\x4d\017", "\016\x41\x63\017", "\016\x44\x4d\017",
"\016\x44\x4d\017", "\016\x44\x4d\017" };
int ret = 0;
for (int i = 0; i < sizeof (charsets) / sizeof (*charsets); i++)
{
const char *charset = charsets[i];
iconv_t cd = iconv_open (charset, "UTF-8");
if (cd == (iconv_t) -1)
{
printf ("iconv_open failed (%s)\n", charset);
ret = 1;
continue;
}
char input[] = "\xe2\x88\x9e.";
const char *expect1 = expects[i];
const char expect2[] = "\x4b";
size_t input_len = sizeof (input);
char output[4];
size_t inlen = input_len;
size_t outlen = sizeof (output);
char *inptr = input;
char *outptr = output;
/* First round: expect conversion to stop before ".". */
size_t r = iconv (cd, &inptr, &inlen, &outptr, &outlen);
if (r != -1
|| errno != E2BIG
|| inlen != 2
|| inptr != input + input_len - 2
|| outlen != 0
|| memcmp (output, expect1, sizeof (output)) != 0)
{
printf ("wrong first conversion (%s)", charset);
ret = 1;
goto do_close;
}
outlen = sizeof (output);
outptr = output;
r = iconv (cd, &inptr, &inlen, &outptr, &outlen);
if (r != 0
|| inlen != 0
|| outlen != sizeof (output) - sizeof (expect2)
|| memcmp (output, expect2, sizeof (expect2)) != 0)
{
printf ("wrong second conversion (%s)\n", charset);
ret = 1;
}
do_close:
if (iconv_close (cd) != 0)
{
printf ("iconv_close failed (%s)\n", charset);
ret = 1;
continue;
}
}
return ret;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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