45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/* Test of wmemchr() function.
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Copyright (C) 2024-2025 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 <wchar.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 wchar_t *
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lib_wmemchr (wchar_t const *s, wchar_t wc, size_t n)
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{
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return wmemchr (s, wc, n);
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}
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static wchar_t *(*volatile volatile_wmemchr) (wchar_t const *, wchar_t, size_t)
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= lib_wmemchr;
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#undef wmemchr
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#define wmemchr volatile_wmemchr
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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 (wmemchr (NULL, L'?', 0) == NULL);
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return test_exit_status;
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}
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