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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 16:58:41 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 16:58:41 +0000 |
commit | e1908ae95dd4c9d19ee4dfabfc8bf8a7f85943fe (patch) | |
tree | f5cc731bedcac0fb7fe14d952e4581e749f8bb87 /gnulib-tests/test-posix_memalign.c | |
parent | Initial commit. (diff) | |
download | coreutils-e1908ae95dd4c9d19ee4dfabfc8bf8a7f85943fe.tar.xz coreutils-e1908ae95dd4c9d19ee4dfabfc8bf8a7f85943fe.zip |
Adding upstream version 9.4.upstream/9.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gnulib-tests/test-posix_memalign.c')
-rw-r--r-- | gnulib-tests/test-posix_memalign.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/gnulib-tests/test-posix_memalign.c b/gnulib-tests/test-posix_memalign.c new file mode 100644 index 0000000..f0c91fb --- /dev/null +++ b/gnulib-tests/test-posix_memalign.c @@ -0,0 +1,103 @@ +/* Test of allocating memory with given alignment. + + Copyright (C) 2020-2023 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2020. */ + +#include <config.h> + +/* Specification. */ +#include <stdlib.h> + +#include <stdint.h> +#include <stdio.h> +#include <string.h> + +#include "macros.h" + +int +main (int argc, char *argv[]) +{ +#if HAVE_POSIX_MEMALIGN + static size_t sizes[] = + { 13, 8, 17, 450, 320, 1, 99, 4, 15, 16, 2, 76, 37, 127, 2406, 641, 5781 }; + void *aligned2_blocks[SIZEOF (sizes)]; + void *aligned4_blocks[SIZEOF (sizes)]; + void *aligned8_blocks[SIZEOF (sizes)]; + void *aligned16_blocks[SIZEOF (sizes)]; + void *aligned32_blocks[SIZEOF (sizes)]; + void *aligned64_blocks[SIZEOF (sizes)]; + size_t i; + + for (i = 0; i < SIZEOF (sizes); i++) + { + size_t size = sizes[i]; + + if (sizeof (void *) <= 2) + { + ASSERT (posix_memalign (&aligned2_blocks[i], 2, size) == 0); + ASSERT (aligned2_blocks[i] != NULL); + ASSERT (((uintptr_t) aligned2_blocks[i] % 2) == 0); + memset (aligned2_blocks[i], 'u', size); + } + + if (sizeof (void *) <= 4) + { + ASSERT (posix_memalign (&aligned4_blocks[i], 4, size) == 0); + ASSERT (aligned4_blocks[i] != NULL); + ASSERT (((uintptr_t) aligned4_blocks[i] % 4) == 0); + memset (aligned4_blocks[i], 'v', size); + } + + ASSERT (posix_memalign (&aligned8_blocks[i], 8, size) == 0); + ASSERT (aligned8_blocks[i] != NULL); + ASSERT (((uintptr_t) aligned8_blocks[i] % 8) == 0); + memset (aligned8_blocks[i], 'w', size); + + ASSERT (posix_memalign (&aligned16_blocks[i], 16, size) == 0); + ASSERT (aligned16_blocks[i] != NULL); + ASSERT (((uintptr_t) aligned16_blocks[i] % 16) == 0); + memset (aligned16_blocks[i], 'x', size); + + ASSERT (posix_memalign (&aligned32_blocks[i], 32, size) == 0); + ASSERT (aligned32_blocks[i] != NULL); + ASSERT (((uintptr_t) aligned32_blocks[i] % 32) == 0); + memset (aligned32_blocks[i], 'y', size); + + ASSERT (posix_memalign (&aligned64_blocks[i], 64, size) == 0); + ASSERT (aligned64_blocks[i] != NULL); + ASSERT (((uintptr_t) aligned64_blocks[i] % 64) == 0); + memset (aligned64_blocks[i], 'z', size); + } + + for (i = 0; i < SIZEOF (sizes); i++) + { + if (sizeof (void *) <= 2) + free (aligned2_blocks[i]); + if (sizeof (void *) <= 4) + free (aligned4_blocks[i]); + free (aligned8_blocks[i]); + free (aligned16_blocks[i]); + free (aligned32_blocks[i]); + free (aligned64_blocks[i]); + } + + return 0; +#else + fputs ("Skipping test: function 'aligned_alloc' does not exist\n", stderr); + return 77; +#endif +} |