95 lines
2.7 KiB
C
95 lines
2.7 KiB
C
/* bug 17197: check that iconv doesn't emit invalid extra shift character
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Copyright (C) 2015-2019 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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 <locale.h>
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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 <errno.h>
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static int
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do_test (void)
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{
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static const char *charsets[] =
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{ "IBM930", "IBM933", "IBM935", "IBM937", "IBM939" };
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static const char *expects[] =
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{ "\016\x44\x4d\017", "\016\x41\x63\017", "\016\x44\x4d\017",
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"\016\x44\x4d\017", "\016\x44\x4d\017" };
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int ret = 0;
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for (int i = 0; i < sizeof (charsets) / sizeof (*charsets); i++)
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{
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const char *charset = charsets[i];
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iconv_t cd = iconv_open (charset, "UTF-8");
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if (cd == (iconv_t) -1)
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{
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printf ("iconv_open failed (%s)\n", charset);
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ret = 1;
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continue;
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}
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char input[] = "\xe2\x88\x9e.";
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const char *expect1 = expects[i];
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const char expect2[] = "\x4b";
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size_t input_len = sizeof (input);
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char output[4];
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size_t inlen = input_len;
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size_t outlen = sizeof (output);
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char *inptr = input;
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char *outptr = output;
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/* First round: expect conversion to stop before ".". */
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size_t r = iconv (cd, &inptr, &inlen, &outptr, &outlen);
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if (r != -1
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|| errno != E2BIG
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|| inlen != 2
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|| inptr != input + input_len - 2
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|| outlen != 0
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|| memcmp (output, expect1, sizeof (output)) != 0)
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{
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printf ("wrong first conversion (%s)", charset);
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ret = 1;
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goto do_close;
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}
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outlen = sizeof (output);
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outptr = output;
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r = iconv (cd, &inptr, &inlen, &outptr, &outlen);
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if (r != 0
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|| inlen != 0
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|| outlen != sizeof (output) - sizeof (expect2)
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|| memcmp (output, expect2, sizeof (expect2)) != 0)
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{
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printf ("wrong second conversion (%s)\n", charset);
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ret = 1;
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}
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do_close:
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if (iconv_close (cd) != 0)
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{
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printf ("iconv_close failed (%s)\n", charset);
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ret = 1;
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continue;
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}
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}
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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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