/usr/include/websocketpp/common/chrono.hpp is in libwebsocketpp-dev 0.7.0-11.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2015, Peter Thorson. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the WebSocket++ Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef WEBSOCKETPP_COMMON_CHRONO_HPP
#define WEBSOCKETPP_COMMON_CHRONO_HPP
#include <websocketpp/common/cpp11.hpp>
// If we've determined that we're in full C++11 mode and the user hasn't
// explicitly disabled the use of C++11 functional header, then prefer it to
// boost.
#if defined _WEBSOCKETPP_CPP11_INTERNAL_ && !defined _WEBSOCKETPP_NO_CPP11_CHRONO_
#ifndef _WEBSOCKETPP_CPP11_CHRONO_
#define _WEBSOCKETPP_CPP11_CHRONO_
#endif
#endif
// If we're on Visual Studio 2012 or higher and haven't explicitly disabled
// the use of C++11 chrono header then prefer it to boost.
#if defined(_MSC_VER) && _MSC_VER >= 1700 && !defined _WEBSOCKETPP_NO_CPP11_CHRONO_
#ifndef _WEBSOCKETPP_CPP11_CHRONO_
#define _WEBSOCKETPP_CPP11_CHRONO_
#endif
#endif
#ifdef _WEBSOCKETPP_CPP11_CHRONO_
#include <chrono>
#else
#include <boost/chrono.hpp>
#endif
namespace websocketpp {
namespace lib {
#ifdef _WEBSOCKETPP_CPP11_CHRONO_
namespace chrono = std::chrono;
#else
namespace chrono = boost::chrono;
#endif
} // namespace lib
} // namespace websocketpp
#endif // WEBSOCKETPP_COMMON_CHRONO_HPP
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