22 lines
689 B
C++
22 lines
689 B
C++
//Copyright (c) 2006-2009 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/info.hpp>
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#include <boost/exception/errinfo_errno.hpp>
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#include <stdio.h>
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#include <errno.h>
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struct file_read_error: virtual 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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boost::errinfo_errno(errno);
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}
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