1 | /* Test memrchr with size_t in the lower 32 bits of 64-bit register. |
2 | Copyright (C) 2019-2024 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 | #define TEST_NAME "memrchr" |
20 | #include "test-size_t.h" |
21 | |
22 | IMPL (memchr, 1) |
23 | |
24 | typedef void * (*proto_t) (const void *, int, size_t); |
25 | |
26 | static void * |
27 | __attribute__ ((noinline, noclone)) |
28 | do_memrchr (parameter_t a, parameter_t b) |
29 | { |
30 | return CALL (&b, a.p, (uintptr_t) b.p, a.len); |
31 | } |
32 | |
33 | static int |
34 | test_main (void) |
35 | { |
36 | test_init (); |
37 | |
38 | parameter_t src = { { page_size }, buf2 }; |
39 | parameter_t c = { { 0 }, (void *) (uintptr_t) 0x12 }; |
40 | |
41 | int ret = 0; |
42 | FOR_EACH_IMPL (impl, 0) |
43 | { |
44 | c.fn = impl->fn; |
45 | void * res = do_memrchr (a: src, b: c); |
46 | if (res) |
47 | { |
48 | error (status: 0, errnum: 0, format: "Wrong result in function %s: %p != NULL" , |
49 | impl->name, res); |
50 | ret = 1; |
51 | } |
52 | } |
53 | |
54 | return ret ? EXIT_FAILURE : EXIT_SUCCESS; |
55 | } |
56 | |
57 | #include <support/test-driver.c> |
58 | |