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4e2f43f8 | 1 | /* Regression test for bug 11319. |
04277e02 | 2 | Copyright (C) 2018-2019 Free Software Foundation, Inc. |
4e2f43f8 ZW |
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 | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
4e2f43f8 ZW |
18 | |
19 | #define _GNU_SOURCE 1 | |
20 | ||
21 | #include <fcntl.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | ||
25 | #include <support/check.h> | |
26 | #include <support/temp_file.h> | |
27 | #include <support/xunistd.h> | |
28 | ||
29 | static int | |
30 | do_test (void) | |
31 | { | |
32 | char *tempfile; | |
33 | int fd; | |
34 | ||
35 | /* Create a temporary file and open it in read-only mode. */ | |
36 | TEST_VERIFY_EXIT (create_temp_file ("tst-bz11319", &tempfile)); | |
37 | fd = xopen (tempfile, O_RDONLY, 0660); | |
38 | ||
39 | /* Try and write to the temporary file to intentionally fail, then | |
40 | check that dprintf (or __dprintf_chk) return EOF. */ | |
41 | TEST_COMPARE (dprintf (fd, "%d", 0), EOF); | |
42 | ||
43 | xclose (fd); | |
44 | free (tempfile); | |
45 | ||
46 | return 0; | |
47 | } | |
48 | ||
49 | #include <support/test-driver.c> |