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47 lines
1.9 KiB
C++
47 lines
1.9 KiB
C++
/*
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Copyright (C) 2010 Apple Inc. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SKY_ENGINE_WTF_NULLPTR_H_
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#define SKY_ENGINE_WTF_NULLPTR_H_
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// libstdc++ supports nullptr_t starting with gcc 4.6. STLport doesn't define
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// it.
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#if (defined(__GLIBCXX__) && __GLIBCXX__ < 20110325) || \
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defined(_STLPORT_VERSION)
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namespace std {
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typedef decltype(nullptr) nullptr_t;
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}
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#endif
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#define WTF_DISALLOW_CONSTRUCTION_FROM_ZERO(ClassName) \
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private: \
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ClassName(int) = delete
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#define WTF_DISALLOW_ZERO_ASSIGNMENT(ClassName) \
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private: \
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ClassName& operator=(int) = delete
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#endif // SKY_ENGINE_WTF_NULLPTR_H_
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