mirror of
https://sourceware.org/git/glibc.git
synced 2024-09-19 16:10:01 +00:00
41 lines
1.4 KiB
C
41 lines
1.4 KiB
C
|
/* Test using fclose on an unopened file.
|
||
|
|
Copyright (C) 2024 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/>. */
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <support/check.h>
|
||
|
|
|
||
|
|
/* Verify that fclose on an unopened file returns EOF. This is not part
|
||
|
|
of the fclose external contract but there are dependancies on this
|
||
|
|
behaviour. */
|
||
|
|
|
||
|
|
static int
|
||
|
|
do_test (void)
|
||
|
|
{
|
||
|
|
TEST_COMPARE (fclose (stdin), 0);
|
||
|
|
|
||
|
|
/* Attempt to close the unopened file and verify that EOF is returned.
|
||
|
|
Calling fclose on a file twice normally causes a use-after-free bug,
|
||
|
|
however the standard streams are an exception since they are not
|
||
|
|
deallocated by fclose. */
|
||
|
|
TEST_COMPARE (fclose (stdin), EOF);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
#include <support/test-driver.c>
|