1/* Copyright (C) 2004-2014 Free Software Foundation, Inc.
2
3   This file is part of GCC.
4
5   GCC is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 3, or (at your option)
8   any later version.
9
10   GCC is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   GNU General Public License for more details.
14
15   Under Section 7 of GPL version 3, you are granted additional
16   permissions described in the GCC Runtime Library Exception, version
17   3.1, as published by the Free Software Foundation.
18
19   You should have received a copy of the GNU General Public License and
20   a copy of the GCC Runtime Library Exception along with this program;
21   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
22   <http://www.gnu.org/licenses/>.  */
23
24#ifndef _MM_MALLOC_H_INCLUDED
25#define _MM_MALLOC_H_INCLUDED
26
27#include <stdlib.h>
28
29#if !defined(__ANDROID__) || defined(HAVE_POSIX_MEMALIGN)
30/* We can't depend on <stdlib.h> since the prototype of posix_memalign
31   may not be visible.  */
32#ifndef __cplusplus
33extern int posix_memalign (void **, size_t, size_t);
34#else
35extern "C" int posix_memalign (void **, size_t, size_t) throw ();
36#endif
37#endif
38
39static __inline void *
40_mm_malloc (size_t size, size_t alignment)
41{
42  void *ptr;
43  if (alignment == 1)
44    return malloc (size);
45  if (alignment == 2 || (sizeof (void *) == 8 && alignment == 4))
46    alignment = sizeof (void *);
47#if !defined(__ANDROID__) || defined(HAVE_POSIX_MEMALIGN)
48  if (posix_memalign (&ptr, alignment, size) == 0)
49    return ptr;
50  else
51    return NULL;
52#else
53  return memalign(alignment, size);
54#endif
55}
56
57static __inline void
58_mm_free (void * ptr)
59{
60  free (ptr);
61}
62
63#endif /* _MM_MALLOC_H_INCLUDED */
64