diff options
Diffstat (limited to 'stdio-common/tst-bz11319.c')
-rw-r--r-- | stdio-common/tst-bz11319.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/stdio-common/tst-bz11319.c b/stdio-common/tst-bz11319.c new file mode 100644 index 0000000000..f986c39a66 --- /dev/null +++ b/stdio-common/tst-bz11319.c @@ -0,0 +1,49 @@ +/* Regression test for bug 11319. + Copyright (C) 2018 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/>. */ + +#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> |