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/* Regression test for bug 11319.
Copyright (C) 2018-2020 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/>. */
#define _GNU_SOURCE 1
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <support/check.h>
#include <support/temp_file.h>
#include <support/xunistd.h>
static int
do_test (void)
{
char *tempfile;
int fd;
/* Create a temporary file and open it in read-only mode. */
TEST_VERIFY_EXIT (create_temp_file ("tst-bz11319", &tempfile));
fd = xopen (tempfile, O_RDONLY, 0660);
/* Try and write to the temporary file to intentionally fail, then
check that dprintf (or __dprintf_chk) return EOF. */
TEST_COMPARE (dprintf (fd, "%d", 0), EOF);
xclose (fd);
free (tempfile);
return 0;
}
#include <support/test-driver.c>
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