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48 lines
2.0 KiB
48 lines
2.0 KiB
/************************************************************************** |
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* |
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* Copyright 2014 VMware, Inc. |
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* All Rights Reserved. |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a |
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* copy of this software and associated documentation files (the "Software"), |
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* to deal in the Software without restriction, including without limitation |
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* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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* and/or sell copies of the Software, and to permit persons to whom the |
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* Software is furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included |
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* in all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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* OTHER DEALINGS IN THE SOFTWARE. |
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* |
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**************************************************************************/ |
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/* |
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* Including system's headers inside `extern "C" { ... }` is not safe, as system |
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* headers may have C++ code in them, and C++ code inside extern "C" |
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* leads to syntactically incorrect code. |
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* |
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* This is because putting code inside extern "C" won't make __cplusplus define |
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* go away, that is, the system header being included thinks is free to use C++ |
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* as it sees fits. |
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* |
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* Including non-system headers inside extern "C" is not safe either, because |
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* non-system headers end up including system headers, hence fall in the above |
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* case too. |
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* |
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* Conclusion, includes inside extern "C" is simply not portable. |
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* |
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* |
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* This header helps surface these issues. |
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*/ |
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#ifdef __cplusplus |
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template<class T> class _IncludeInsideExternCNotPortable; |
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#endif
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