/* Test iconv behavior on UCS4 conversions with //IGNORE. Copyright (C) 2020-2021 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 <http://www.gnu.org/licenses/>. */ /* Derived from BZ #26923 */ #include <errno.h> #include <iconv.h> #include <stdio.h> #include <support/check.h> static int do_test (void) { iconv_t cd = iconv_open ("UTF-8//IGNORE", "ISO-10646/UCS4/"); TEST_VERIFY_EXIT (cd != (iconv_t) -1); /* * Convert sequence beginning with an irreversible character into buffer that * is too small. */ char input[12] = "\xe1\x80\xa1" "AAAAAAAAA"; char *inptr = input; size_t insize = sizeof (input); char output[6]; char *outptr = output; size_t outsize = sizeof (output); TEST_VERIFY (iconv (cd, &inptr, &insize, &outptr, &outsize) == -1); TEST_VERIFY (errno == E2BIG); TEST_VERIFY_EXIT (iconv_close (cd) != -1); return 0; } #include <support/test-driver.c>