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 *
memalign(size_t alignment,size_t size)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 }
36