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50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/* Ensure that malloc_usable_size returns the request size with
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MALLOC_CHECK_ exported to a positive value.
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Copyright (C) 2012-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <malloc.h>
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#include <string.h>
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#include <stdio.h>
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static int
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do_test (void)
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{
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size_t usable_size;
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void *p = malloc (7);
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if (!p)
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{
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printf ("memory allocation failed\n");
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return 1;
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}
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usable_size = malloc_usable_size (p);
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if (usable_size != 7)
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{
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printf ("malloc_usable_size: expected 7 but got %zu\n", usable_size);
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return 1;
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}
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memset (p, 0, usable_size);
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free (p);
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return 0;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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