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c7c54f65 | 1 | /* Test strncpy with size_t in the lower 32 bits of 64-bit register. |
6d7e8eda | 2 | Copyright (C) 2019-2023 Free Software Foundation, Inc. |
c7c54f65 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/>. */ |
c7c54f65 L |
18 | |
19 | #define TEST_NAME "strncpy" | |
20 | #include "test-size_t.h" | |
21 | ||
22 | IMPL (strncpy, 1) | |
23 | ||
24 | typedef char *(*proto_t) (char *, const char*, size_t); | |
25 | ||
26 | static void * | |
27 | __attribute__ ((noinline, noclone)) | |
28 | do_strncpy (parameter_t a, parameter_t b) | |
29 | { | |
30 | return CALL (&b, a.p, b.p, a.len); | |
31 | } | |
32 | ||
33 | static int | |
34 | test_main (void) | |
35 | { | |
36 | test_init (); | |
37 | ||
38 | parameter_t dest = { { page_size }, buf1 }; | |
39 | parameter_t src = { { 0 }, buf2 }; | |
40 | ||
41 | int ret = 0; | |
42 | FOR_EACH_IMPL (impl, 0) | |
43 | { | |
44 | src.fn = impl->fn; | |
45 | do_strncpy (dest, src); | |
46 | int res = strncmp (dest.p, src.p, dest.len); | |
47 | if (res) | |
48 | { | |
49 | error (0, 0, "Wrong result in function %s: %i != 0", | |
50 | impl->name, res); | |
51 | ret = 1; | |
52 | } | |
53 | } | |
54 | ||
55 | return ret ? EXIT_FAILURE : EXIT_SUCCESS; | |
56 | } | |
57 | ||
58 | #include <support/test-driver.c> |