1 | /* Test case for strchr inside a transactionally executing RTM region. |
2 | Copyright (C) 2021-2024 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-string-rtm.h> |
20 | |
21 | #define LOOP 3000 |
22 | #define STRING_SIZE 1024 |
23 | char string1[STRING_SIZE]; |
24 | |
25 | __attribute__ ((noinline, noclone)) |
26 | static int |
27 | prepare (void) |
28 | { |
29 | memset (string1, 'a', STRING_SIZE - 1); |
30 | string1[100] = 'c'; |
31 | string1[STRING_SIZE - 100] = 'c'; |
32 | char *p = strchr (string1, 'c'); |
33 | if (p == &string1[100]) |
34 | return EXIT_SUCCESS; |
35 | else |
36 | return EXIT_FAILURE; |
37 | } |
38 | |
39 | __attribute__ ((noinline, noclone)) |
40 | static int |
41 | function (void) |
42 | { |
43 | char *p = strchr (string1, 'c'); |
44 | if (p == &string1[100]) |
45 | return 0; |
46 | else |
47 | return 1; |
48 | } |
49 | |
50 | static int |
51 | do_test (void) |
52 | { |
53 | return do_test_1 (name: "strchr" , LOOP, prepare, function); |
54 | } |
55 | |