1/* Test for libio vtables and their validation. Enabled through interposition.
2 Copyright (C) 2018-2022 Free Software Foundation, Inc.
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
17 <https://www.gnu.org/licenses/>. */
18
19#include "tst-vtables-common.c"
20
21/* Provide an interposed definition of the standard file handles with
22 our own vtable. stdout/stdin/stderr will not work as a result, but
23 a succesful test does not print anything, so this is fine. */
24#define _IO_file_jumps jumps
25#include "stdfiles.c"
26
27static int
28do_test (void)
29{
30 return run_tests (false);
31}
32
33/* Calling setvbuf in the test driver is not supported with our
34 interposed file handles. */
35#define TEST_NO_SETVBUF
36#include <support/test-driver.c>
37

source code of glibc/libio/tst-vtables-interposed.c