1 /* Allocate memory with indefinite extent and specified alignment. 2 Copyright (C) 2020-2021 Free Software Foundation, Inc. 3 4 This file is free software: you can redistribute it and/or modify 5 it under the terms of the GNU Lesser General Public License as 6 published by the Free Software Foundation; either version 2.1 of the 7 License, or (at your option) any later version. 8 9 This file is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 GNU Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public License 15 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 16 17 #include <config.h> 18 19 /* Specification. */ 20 #include <malloc.h> 21 22 #include <stdlib.h> 23 24 void * 25 memalign (size_t alignment, size_t size) /* */ 26 #undef memalign 27 { 28 if (alignment < 4) 29 /* The malloc() result has an alignment of at least 4 on all platforms. 30 On platforms where memalign() exists, malloc() sets errno upon 31 failure. */ 32 return malloc (size); 33 34 return memalign (alignment, size); 35 }