1/* Test iconv behavior on UCS4 conversions with //IGNORE.
2 Copyright (C) 2020-2024 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19/* Derived from BZ #26923 */
20#include <errno.h>
21#include <iconv.h>
22#include <stdio.h>
23#include <support/check.h>
24
25static int
26do_test (void)
27{
28 iconv_t cd = iconv_open (tocode: "UTF-8//IGNORE", fromcode: "ISO-10646/UCS4/");
29 TEST_VERIFY_EXIT (cd != (iconv_t) -1);
30
31 /*
32 * Convert sequence beginning with an irreversible character into buffer that
33 * is too small.
34 */
35 char input[12] = "\xe1\x80\xa1" "AAAAAAAAA";
36 char *inptr = input;
37 size_t insize = sizeof (input);
38 char output[6];
39 char *outptr = output;
40 size_t outsize = sizeof (output);
41
42 TEST_VERIFY (iconv (cd, &inptr, &insize, &outptr, &outsize) == -1);
43 TEST_VERIFY (errno == E2BIG);
44
45 TEST_VERIFY_EXIT (iconv_close (cd) != -1);
46
47 return 0;
48}
49
50#include <support/test-driver.c>
51

source code of glibc/iconv/tst-iconv8.c