mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 13:00:06 +00:00
40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
|
/* read smoke test for 0-sized structures.
|
||
|
|
Copyright The GNU Toolchain Authors.
|
||
|
|
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/>. */
|
||
|
|
|
||
|
|
/* Zero-sized structures should not result in any overflow warnings or
|
||
|
|
errors when fortification is enabled. */
|
||
|
|
#include <fcntl.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <support/check.h>
|
||
|
|
|
||
|
|
int
|
||
|
|
do_test (void)
|
||
|
|
{
|
||
|
|
struct test_st {} test_info[16];
|
||
|
|
int fd = open ("/dev/zero", O_RDONLY, 0);
|
||
|
|
|
||
|
|
if (fd == -1)
|
||
|
|
FAIL_UNSUPPORTED ("Unable to open /dev/zero: %m");
|
||
|
|
|
||
|
|
TEST_VERIFY_EXIT (read (fd, test_info, sizeof(test_info)) == 0);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#include <support/test-driver.c>
|