| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Ensure that malloc_usable_size returns the request size with |
| 2 | MALLOC_CHECK_ exported to a positive value. |
| 3 | |
| 4 | Copyright (C) 2012-2015 Free Software Foundation, Inc. |
| 5 | This file is part of the GNU C Library. |
| 6 | |
| 7 | The GNU C Library is free software; you can redistribute it and/or |
| 8 | modify it under the terms of the GNU Lesser General Public |
| 9 | License as published by the Free Software Foundation; either |
| 10 | version 2.1 of the License, or (at your option) any later version. |
| 11 | |
| 12 | The GNU C Library is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | Lesser General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU Lesser General Public |
| 18 | License along with the GNU C Library; if not, see |
| 19 | <http://www.gnu.org/licenses/>. */ |
| 20 | |
| 21 | #include <malloc.h> |
| 22 | #include <string.h> |
| 23 | #include <stdio.h> |
| 24 | |
| 25 | static int |
| 26 | do_test (void) |
| 27 | { |
| 28 | size_t usable_size; |
| 29 | void *p = malloc (7); |
| 30 | if (!p) |
| 31 | { |
| 32 | printf ("memory allocation failed\n"); |
| 33 | return 1; |
| 34 | } |
| 35 | |
| 36 | usable_size = malloc_usable_size (p); |
| 37 | if (usable_size != 7) |
| 38 | { |
| 39 | printf ("malloc_usable_size: expected 7 but got %zu\n", usable_size); |
| 40 | return 1; |
| 41 | } |
| 42 | |
| 43 | memset (p, 0, usable_size); |
| 44 | free (p); |
| 45 | return 0; |
| 46 | } |
| 47 | |
| 48 | #define TEST_FUNCTION do_test () |
| 49 | #include "../test-skeleton.c" |