projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| c7c54f65 | 1 | /* Test strncpy with size_t in the lower 32 bits of 64-bit register. |
| 2b778ceb | 2 | Copyright (C) 2019-2021 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> |