49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/* Test of wcsncat() function.
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Copyright (C) 2010-2024 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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/* Written by Bruno Haible <bruno@clisp.org>, 2024. */
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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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int
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main ()
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{
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int volatile value;
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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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#if 0 /* I think this is invalid, per ISO C 23 § 7.31.4.3.2. */
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value = (wcsncat (NULL, L"x", 0) == NULL);
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ASSERT (value);
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#endif
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{
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wchar_t y[2] = { L'x', 0 };
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value = (wcsncat (y, NULL, 0) == y);
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ASSERT (value);
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}
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return test_exit_status;
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}
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