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77 lines
2.0 KiB
C++
77 lines
2.0 KiB
C++
2 years ago
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#ifndef BOOST_SYSTEM_SYSTEM_ERROR_HPP
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#define BOOST_SYSTEM_SYSTEM_ERROR_HPP
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// Copyright Beman Dawes 2006
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// Copyright Peter Dimov 2021
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/system/errc.hpp>
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#include <boost/system/detail/error_code.hpp>
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#include <string>
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#include <stdexcept>
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#include <cassert>
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namespace boost
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{
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namespace system
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{
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class BOOST_SYMBOL_VISIBLE system_error: public std::runtime_error
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{
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private:
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error_code code_;
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private:
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static std::string build_message( char const * prefix, error_code const & ec )
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{
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std::string r;
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if( prefix )
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{
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r += prefix;
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r += ": ";
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}
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r += ec.what();
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return r;
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}
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static std::string build_message( char const * prefix, int ev, error_category const & cat )
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{
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return build_message( prefix, error_code( ev, cat ) );
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}
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public:
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explicit system_error( error_code const & ec )
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: std::runtime_error( build_message( 0, ec ) ), code_( ec ) {}
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system_error( error_code const & ec, std::string const & prefix )
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: std::runtime_error( build_message( prefix.c_str(), ec ) ), code_( ec ) {}
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system_error( error_code const & ec, char const * prefix )
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: std::runtime_error( build_message( prefix, ec ) ), code_( ec ) {}
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system_error( int ev, error_category const & ecat )
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: std::runtime_error( build_message( 0, ev, ecat ) ), code_( ev, ecat ) {}
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system_error( int ev, error_category const & ecat, std::string const & prefix )
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: std::runtime_error( build_message( prefix.c_str(), ev, ecat ) ), code_( ev, ecat ) {}
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system_error( int ev, error_category const & ecat, char const * prefix )
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: std::runtime_error( build_message( prefix, ev, ecat ) ), code_( ev, ecat ) {}
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error_code code() const BOOST_NOEXCEPT
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{
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return code_;
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}
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};
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} // namespace system
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} // namespace boost
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#endif // BOOST_SYSTEM_SYSTEM_ERROR_HPP
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