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1 /* | 1 /* |
2 * Copyright (C) 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. | 2 * Copyright (C) 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
8 * | 8 * |
9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 * Library General Public License for more details. | 12 * Library General Public License for more details. |
13 * | 13 * |
14 * You should have received a copy of the GNU Library General Public License | 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 | 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, | 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
17 * Boston, MA 02110-1301, USA. | 17 * Boston, MA 02110-1301, USA. |
18 * | 18 * |
19 */ | 19 */ |
20 | 20 |
21 #ifndef WTF_Alignment_h | 21 #ifndef WTF_Alignment_h |
22 #define WTF_Alignment_h | 22 #define WTF_Alignment_h |
23 | 23 |
| 24 #include <stdint.h> |
| 25 #include <algorithm> |
| 26 #include <utility> |
24 #include "wtf/Compiler.h" | 27 #include "wtf/Compiler.h" |
25 #include <algorithm> | |
26 #include <stdint.h> | |
27 #include <utility> | |
28 | 28 |
29 namespace WTF { | 29 namespace WTF { |
30 | 30 |
31 #if COMPILER(GCC) | 31 #if COMPILER(GCC) |
32 #define WTF_ALIGN_OF(type) __alignof__(type) | 32 #define WTF_ALIGN_OF(type) __alignof__(type) |
33 #define WTF_ALIGNED(variable_type, variable, n) \ | 33 #define WTF_ALIGNED(variable_type, variable, n) \ |
34 variable_type variable __attribute__((__aligned__(n))) | 34 variable_type variable __attribute__((__aligned__(n))) |
35 #elif COMPILER(MSVC) | 35 #elif COMPILER(MSVC) |
36 #define WTF_ALIGN_OF(type) __alignof(type) | 36 #define WTF_ALIGN_OF(type) __alignof(type) |
37 #define WTF_ALIGNED(variable_type, variable, n) \ | 37 #define WTF_ALIGNED(variable_type, variable, n) \ |
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85 } | 85 } |
86 | 86 |
87 template <uintptr_t mask> | 87 template <uintptr_t mask> |
88 inline bool isAlignedTo(const void* pointer) { | 88 inline bool isAlignedTo(const void* pointer) { |
89 return !(reinterpret_cast<uintptr_t>(pointer) & mask); | 89 return !(reinterpret_cast<uintptr_t>(pointer) & mask); |
90 } | 90 } |
91 | 91 |
92 } // namespace WTF | 92 } // namespace WTF |
93 | 93 |
94 #endif // WTF_Alignment_h | 94 #endif // WTF_Alignment_h |
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