1 /*
2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 
12 #ifndef VPX_MEM_INCLUDE_VPX_MEM_INTRNL_H_
13 #define VPX_MEM_INCLUDE_VPX_MEM_INTRNL_H_
14 #include "./vpx_config.h"
15 
16 #define ADDRESS_STORAGE_SIZE      sizeof(size_t)
17 
18 #ifndef DEFAULT_ALIGNMENT
19 # if defined(VXWORKS)
20 #  define DEFAULT_ALIGNMENT        32        /*default addr alignment to use in
21 calls to vpx_* functions other
22 than vpx_memalign*/
23 # else
24 #  define DEFAULT_ALIGNMENT        (2 * sizeof(void*))  /* NOLINT */
25 # endif
26 #endif
27 
28 /*returns an addr aligned to the byte boundary specified by align*/
29 #define align_addr(addr,align) (void*)(((size_t)(addr) + ((align) - 1)) & (size_t)-(align))
30 
31 #endif  // VPX_MEM_INCLUDE_VPX_MEM_INTRNL_H_
32