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4bd660be | 1 | /* Test case for memchr inside a transactionally executing RTM region. |
dff8da6b | 2 | Copyright (C) 2021-2024 Free Software Foundation, Inc. |
4bd660be L |
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); | |
30 | string1[100] = 'c'; | |
31 | string1[STRING_SIZE - 100] = 'c'; | |
32 | char *p = memchr (string1, 'c', STRING_SIZE); | |
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 = memchr (string1, 'c', STRING_SIZE); | |
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 ("memchr", LOOP, prepare, function); | |
54 | } |