1 /* Test memset with size_t in the lower 32 bits of 64-bit register.
2 Copyright (C) 2019-2021 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 #ifdef WIDE
20 # define TEST_NAME "wmemset"
21 #else
22 # define TEST_NAME "memset"
23 #endif /* WIDE */
24
25 #include "test-size_t.h"
26
27 #ifdef WIDE
28 # include <wchar.h>
29 # define MEMSET wmemset
30 # define CHAR wchar_t
31 #else
32 # define MEMSET memset
33 # define CHAR char
34 #endif /* WIDE */
35
36 IMPL (MEMSET, 1)
37
38 typedef CHAR *(*proto_t) (CHAR *, int, size_t);
39
40 static void *
41 __attribute__ ((noinline, noclone))
do_memset(parameter_t a,parameter_t b)42 do_memset (parameter_t a, parameter_t b)
43 {
44 return CALL (&b, a.p, (uintptr_t) b.p, a.len);
45 }
46
47 static int
test_main(void)48 test_main (void)
49 {
50 test_init ();
51
52 CHAR ch = 0x23;
53 parameter_t src = { { page_size / sizeof (CHAR) }, buf2 };
54 parameter_t c = { { 0 }, (void *) (uintptr_t) ch };
55
56 int ret = 0;
57 FOR_EACH_IMPL (impl, 0)
58 {
59 c.fn = impl->fn;
60 CHAR *p = (CHAR *) do_memset (src, c);
61 size_t i;
62 for (i = 0; i < src.len; i++)
63 if (p[i] != ch)
64 {
65 error (0, 0, "Wrong result in function %s", impl->name);
66 ret = 1;
67 }
68 }
69
70 return ret ? EXIT_FAILURE : EXIT_SUCCESS;
71 }
72
73 #include <support/test-driver.c>
74