| 1 | //Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc. |
|---|---|
| 2 | |
| 3 | //Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 4 | //file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 5 | |
| 6 | //This example shows how to enable cloning when throwing a boost::exception. |
| 7 | |
| 8 | #include <boost/exception/info.hpp> |
| 9 | #include <boost/exception/errinfo_errno.hpp> |
| 10 | #include <stdio.h> |
| 11 | #include <errno.h> |
| 12 | |
| 13 | struct file_read_error: virtual boost::exception { }; |
| 14 | |
| 15 | void |
| 16 | file_read( FILE * f, void * buffer, size_t size ) |
| 17 | { |
| 18 | if( size!=fread(ptr: buffer,size: 1,n: size,stream: f) ) |
| 19 | throw boost::enable_current_exception(x: file_read_error()) << |
| 20 | boost::errinfo_errno(errno); |
| 21 | } |
| 22 |