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/* Bug 28524: Conversion from ISO-2022-JP-3 with iconv
may emit spurious NUL character on state reset.
Copyright The GNU Toolchain Authors.
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 <stddef.h>
#include <iconv.h>
#include <support/check.h>
static int
do_test (void)
{
char in[] = "\x1b(I";
char *inbuf = in;
size_t inleft = sizeof (in) - 1;
char out[1];
char *outbuf = out;
size_t outleft = sizeof (out);
iconv_t cd;
cd = iconv_open ("UTF8", "ISO-2022-JP-3");
TEST_VERIFY_EXIT (cd != (iconv_t) -1);
/* First call to iconv should alter internal state.
Now, JISX0201_Kana_set is selected and
state value != ASCII_set. */
TEST_VERIFY (iconv (cd, &inbuf, &inleft, &outbuf, &outleft) != (size_t) -1);
/* No bytes should have been added to
the output buffer at this point. */
TEST_VERIFY (outbuf == out);
TEST_VERIFY (outleft == sizeof (out));
/* Second call shall emit spurious NUL character in unpatched glibc. */
TEST_VERIFY (iconv (cd, NULL, NULL, &outbuf, &outleft) != (size_t) -1);
/* No characters are expected to be produced. */
TEST_VERIFY (outbuf == out);
TEST_VERIFY (outleft == sizeof (out));
TEST_VERIFY_EXIT (iconv_close (cd) != -1);
return 0;
}
#include <support/test-driver.c>
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