forked from boostorg/exception
a1c08eb8e0
In other libraries, watch for compile error referring to throw_exception_assert_compatibility in boost::throw_exception. Resolve by throwing an exception that derives from std::exception. This is not a new requirement but it is being enforced now. [SVN r46818]
24 lines
749 B
C++
24 lines
749 B
C++
//Copyright (c) 2006-2008 Emil Dotchevski and Reverge Studios, Inc.
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//Distributed under the Boost Software License, Version 1.0. (See accompanying
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//file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//This example shows how to enable cloning when throwing a boost::exception.
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#include <boost/exception/enable_current_exception.hpp>
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#include <boost/exception/info.hpp>
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#include <stdio.h>
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#include <errno.h>
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typedef boost::error_info<struct tag_errno,int> errno_info;
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class file_read_error: public boost::exception { };
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void
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file_read( FILE * f, void * buffer, size_t size )
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{
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if( size!=fread(buffer,1,size,f) )
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throw boost::enable_current_exception(file_read_error()) <<
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errno_info(errno);
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}
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