/* 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 . */ /* Written by Bruno Haible , 2020. */ #include #include #include #define ALIGNMENT 4 #define aligned_malloc aligned4_malloc #define aligned_free aligned4_free #include "aligned-malloc.h" #undef aligned_free #undef aligned_malloc #undef ALIGNMENT #define ALIGNMENT 8 #define aligned_malloc aligned8_malloc #define aligned_free aligned8_free #include "aligned-malloc.h" #undef aligned_free #undef aligned_malloc #undef ALIGNMENT #define ALIGNMENT 16 #define aligned_malloc aligned16_malloc #define aligned_free aligned16_free #include "aligned-malloc.h" #undef aligned_free #undef aligned_malloc #undef ALIGNMENT #define ALIGNMENT 32 #define aligned_malloc aligned32_malloc #define aligned_free aligned32_free #include "aligned-malloc.h" #undef aligned_free #undef aligned_malloc #undef ALIGNMENT #include #include "macros.h" int main (int argc, char *argv[]) { static size_t sizes[] = { 13, 8, 17, 450, 320, 1, 99, 4, 15, 16, 2, 76, 37, 127, 2406, 641 }; void *volatile aligned4_blocks[SIZEOF (sizes)]; void *volatile aligned8_blocks[SIZEOF (sizes)]; void *volatile aligned16_blocks[SIZEOF (sizes)]; void *volatile aligned32_blocks[SIZEOF (sizes)]; size_t i; for (i = 0; i < SIZEOF (sizes); i++) { size_t size = sizes[i]; aligned4_blocks[i] = aligned4_malloc (size); ASSERT (((uintptr_t) aligned4_blocks[i] % 4) == 0); memset (aligned4_blocks[i], 'w', size); aligned8_blocks[i] = aligned8_malloc (size); ASSERT (((uintptr_t) aligned8_blocks[i] % 8) == 0); memset (aligned8_blocks[i], 'x', size); aligned16_blocks[i] = aligned16_malloc (size); ASSERT (((uintptr_t) aligned16_blocks[i] % 16) == 0); memset (aligned16_blocks[i], 'y', size); aligned32_blocks[i] = aligned32_malloc (size); ASSERT (((uintptr_t) aligned32_blocks[i] % 32) == 0); memset (aligned32_blocks[i], 'z', size); } for (i = 0; i < SIZEOF (sizes); i++) { aligned4_free (aligned4_blocks[i]); aligned8_free (aligned8_blocks[i]); aligned16_free (aligned16_blocks[i]); aligned32_free (aligned32_blocks[i]); } return 0; }