1/*
2 *  Copyright (C) 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
3 *
4 *  This library is free software; you can redistribute it and/or
5 *  modify it under the terms of the GNU Library General Public
6 *  License as published by the Free Software Foundation; either
7 *  version 2 of the License, or (at your option) any later version.
8 *
9 *  This library 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 GNU
12 *  Library General Public License for more details.
13 *
14 *  You should have received a copy of the GNU Library General Public License
15 *  along with this library; see the file COPYING.LIB.  If not, write to
16 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 *  Boston, MA 02110-1301, USA.
18 *
19 */
20
21#ifndef WTF_Alignment_h
22#define WTF_Alignment_h
23
24#include <wtf/Platform.h>
25
26#if COMPILER(GCC) || COMPILER(MINGW) || COMPILER(RVCT) || COMPILER(WINSCW)
27    #define WTF_ALIGN_OF(type) __alignof__(type)
28    #define WTF_ALIGNED(variable_type, variable, n) variable_type variable __attribute__((__aligned__(n)))
29#elif COMPILER(MSVC)
30    #define WTF_ALIGN_OF(type) __alignof(type)
31    #define WTF_ALIGNED(variable_type, variable, n) __declspec(align(n)) variable_type variable
32#else
33    #error WTF_ALIGN macros need alignment control.
34#endif
35
36#endif // WTF_Alignment_h
37