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ee915088 | 1 | /* Test strncmp with size_t in the lower 32 bits of 64-bit register. |
2b778ceb | 2 | Copyright (C) 2019-2021 Free Software Foundation, Inc. |
ee915088 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 | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
ee915088 L |
18 | |
19 | #ifdef WIDE | |
20 | # define TEST_NAME "wcsncmp" | |
21 | #else | |
22 | # define TEST_NAME "strncmp" | |
23 | #endif | |
24 | ||
25 | #include "test-size_t.h" | |
26 | ||
27 | #ifdef WIDE | |
28 | # include <wchar.h> | |
29 | ||
30 | # define STRNCMP wcsncmp | |
31 | # define STRNCPY wcsncpy | |
32 | # define CHAR wchar_t | |
33 | #else | |
34 | # define STRNCMP strncmp | |
35 | # define STRNCPY strncpy | |
36 | # define CHAR char | |
37 | #endif | |
38 | ||
39 | IMPL (STRNCMP, 1) | |
40 | ||
41 | typedef int (*proto_t) (const CHAR *, const CHAR *, size_t); | |
42 | ||
43 | ||
44 | static int | |
45 | __attribute__ ((noinline, noclone)) | |
46 | do_strncmp (parameter_t a, parameter_t b) | |
47 | { | |
48 | return CALL (&b, a.p, b.p, a.len); | |
49 | } | |
50 | ||
51 | static int | |
52 | test_main (void) | |
53 | { | |
54 | test_init (); | |
55 | ||
56 | size_t size = page_size / sizeof (CHAR); | |
57 | parameter_t dest = { { size }, buf1 }; | |
58 | parameter_t src = { { 0 }, buf2 }; | |
59 | ||
60 | STRNCPY ((CHAR *) buf1, (const CHAR *) buf2, size); | |
61 | ||
62 | int ret = 0; | |
63 | FOR_EACH_IMPL (impl, 0) | |
64 | { | |
65 | src.fn = impl->fn; | |
66 | int res = do_strncmp (dest, src); | |
67 | if (res) | |
68 | { | |
69 | error (0, 0, "Wrong result in function %s: %i != 0", | |
70 | impl->name, res); | |
71 | ret = 1; | |
72 | } | |
73 | } | |
74 | ||
75 | return ret ? EXIT_FAILURE : EXIT_SUCCESS; | |
76 | } | |
77 | ||
78 | #include <support/test-driver.c> |