| /* Define MALLOC_ALIGNMENT for malloc. Generic version. |
| Copyright (C) 2017-2018 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 |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef _GENERIC_MALLOC_ALIGNMENT_H |
| #define _GENERIC_MALLOC_ALIGNMENT_H |
| |
| /* MALLOC_ALIGNMENT is the minimum alignment for malloc'ed chunks. It |
| must be a power of two at least 2 * SIZE_SZ, even on machines for |
| which smaller alignments would suffice. It may be defined as larger |
| than this though. Note however that code and data structures are |
| optimized for the case of 8-byte alignment. */ |
| #define MALLOC_ALIGNMENT (2 * SIZE_SZ < __alignof__ (long double) \ |
| ? __alignof__ (long double) : 2 * SIZE_SZ) |
| |
| |
| #endif /* !defined(_GENERIC_MALLOC_ALIGNMENT_H) */ |
