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46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/* Test of memset() function.
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Copyright (C) 2024-2026 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#include <config.h>
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/* Specification. */
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#include <string.h>
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#include <stddef.h>
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#include "macros.h"
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/* Test the library, not the compiler+library. */
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static void *
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lib_memset (void *s, int c, size_t n)
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{
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return memset (s, c, n);
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}
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static void *(*volatile volatile_memset) (void *, int, size_t)
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= lib_memset;
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#undef memset
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#define memset volatile_memset
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int
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main (void)
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{
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/* Test zero-length operations on NULL pointers, allowed by
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<https://www.open-std.org/jtc1/sc22/wg14/www/docs/n3322.pdf>. */
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ASSERT (memset (NULL, '?', 0) == NULL);
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return test_exit_status;
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}
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