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stdlib/tst-memalignment.c
43 строки
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Paul Eggert
Update copyright dates with scripts/update-copyrights
02 янв 2026, 00:42
02 янв 2026, 00:42
66f3e92
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/* Test memalignment. Copyright (C) 2025-2026 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ #include <stdlib.h> #include <array_length.h> #include <support/check.h> static int do_test (void) { void *null = NULL; TEST_COMPARE (memalignment (NULL), 0); TEST_COMPARE (memalignment (null), 0); char ca[256]; array_foreach (p, ca) TEST_VERIFY (memalignment (p) >= 1); TEST_VERIFY (memalignment (&ca[0]) == 1 || memalignment (&ca[1]) == 1); TEST_VERIFY (memalignment (&ca[0]) == 2 || memalignment (&ca[1]) == 2 || memalignment (&ca[2]) == 2 || memalignment (&ca[3]) == 2); long long int lla[256]; array_foreach (p, lla) TEST_VERIFY (memalignment (p) >= _Alignof (long long int)); TEST_VERIFY (memalignment (&lla[0]) <= sizeof (long long int) || memalignment (&lla[1]) <= sizeof (long long int)); return 0; } #include <support/test-driver.c>