Further harden glibc malloc metadata against 1-byte overflows.
[glibc.git] / elf / tst-protected1modb.c
blob5036b6c3e711d7546b9a59a09031c894638657e5
1 /* Copyright (C) 2015-2017 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
18 #include <stdlib.h>
19 #include "tst-protected1mod.h"
21 int protected1 = -3;
22 int protected3 = -5;
23 static int expected_protected3 = -5;
25 asm (".protected protected3");
27 void
28 set_protected1b (int i)
30 protected1 = i;
33 int *
34 protected1b_p (void)
36 return &protected1;
39 void
40 set_expected_protected3b (int i)
42 expected_protected3 = i;
45 void
46 set_protected3b (int i)
48 protected3 = i;
49 set_expected_protected3b (i);
52 int
53 check_protected3b (void)
55 return protected3 == expected_protected3;
58 int *
59 protected3b_p (void)
61 return &protected3;