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[SVN r54906]
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Emil Dotchevski
2009-07-12 06:59:53 +00:00
parent 96ed20d2d7
commit 0003622f9d
9 changed files with 8252 additions and 7568 deletions
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48
doc/errinfo_api_function.html
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@ -30,7 +30,53 @@ boost
<span class="RenoIncludeSPAN"> <span class="RenoIncludeSPAN">typedef <span class="RenoLink"><a href="error_info.html">error_info</a></span>&lt;struct errinfo_api_function_,int&gt; <span class="RenoLink">errinfo_api_function</span>;</span></span>
}</pre>
</div></div><p>This type is designed to be used as a standard <span class="RenoLink"><a href="error_info.html">error_info</a></span> instance for transporting the name of a relevant API function (which does not use exceptions to report errors) in exceptions deriving from boost::<span class="RenoLink"><a href="exception.html">exception</a></span>.</p>
</div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
<h3>Example:</h3>
<div class="RenoIncludeDIV"><pre>#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_api_function_hpp.html">boost/exception/errinfo_api_function.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_at_line_hpp.html">boost/exception/errinfo_at_line.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_errno_hpp.html">boost/exception/errinfo_errno.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_file_handle_hpp.html">boost/exception/errinfo_file_handle.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_file_name_hpp.html">boost/exception/errinfo_file_name.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_file_open_mode_hpp.html">boost/exception/errinfo_file_open_mode.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_info_hpp.html">boost/exception/info.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_throw_exception_hpp.html">boost/throw_exception.hpp</a></span>&gt;
#include &lt;boost/shared_ptr.hpp&gt;
#include &lt;boost/weak_ptr.hpp&gt;
#include &lt;stdio.h&gt;
#include &lt;errno.h&gt;
#include &lt;exception&gt;
struct error : virtual std::exception, virtual boost::<span class="RenoLink"><a href="exception.html">exception</a></span> { };
struct file_error : virtual error { };
struct file_open_error: virtual file_error { };
struct file_read_error: virtual file_error { };
boost::shared_ptr&lt;FILE&gt;
open_file( char const * file, char const * mode )
{
if( FILE * f=fopen(file,mode) )
return boost::shared_ptr&lt;FILE&gt;(f,fclose);
else
<span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span>(
file_open_error() &lt;&lt;
boost::<span class="RenoLink">errinfo_api_function</span>("fopen") &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_errno.html">errinfo_errno</a></span>(errno) &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_file_name.html">errinfo_file_name</a></span>(file) &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_file_open_mode.html">errinfo_file_open_mode</a></span>(mode) );
}
size_t
read_file( boost::shared_ptr&lt;FILE&gt; const &amp; f, void * buf, size_t size )
{
size_t nr=fread(buf,1,size,f.get());
if( ferror(f.get()) )
<span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span>(
file_read_error() &lt;&lt;
boost::<span class="RenoLink">errinfo_api_function</span>("fread") &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_errno.html">errinfo_errno</a></span>(errno) &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_file_handle.html">errinfo_file_handle</a></span>(f) );
return nr;
}</pre>
</div></div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
<h3>See Also:</h3>
<div class="RenoPageList"><a href="boost_exception_errinfo_api_function_hpp.html">boost/exception/errinfo_api_function.hpp<br/>
</a><a href="frequently_asked_questions.html">Frequently Asked Questions<br/>

48
doc/errinfo_at_line.html
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@ -30,7 +30,53 @@ boost
<span class="RenoIncludeSPAN"> <span class="RenoIncludeSPAN">typedef <span class="RenoLink"><a href="error_info.html">error_info</a></span>&lt;struct errinfo_at_line_,int&gt; <span class="RenoLink">errinfo_at_line</span>;</span></span>
}</pre>
</div></div><p>This type is designed to be used as a standard <span class="RenoLink"><a href="error_info.html">error_info</a></span> instance for transporting a relevant text file line number, for example in parse error exceptions deriving from boost::<span class="RenoLink"><a href="exception.html">exception</a></span>.</p>
</div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
<h3>Example:</h3>
<div class="RenoIncludeDIV"><pre>#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_api_function_hpp.html">boost/exception/errinfo_api_function.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_at_line_hpp.html">boost/exception/errinfo_at_line.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_errno_hpp.html">boost/exception/errinfo_errno.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_file_handle_hpp.html">boost/exception/errinfo_file_handle.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_file_name_hpp.html">boost/exception/errinfo_file_name.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_file_open_mode_hpp.html">boost/exception/errinfo_file_open_mode.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_info_hpp.html">boost/exception/info.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_throw_exception_hpp.html">boost/throw_exception.hpp</a></span>&gt;
#include &lt;boost/shared_ptr.hpp&gt;
#include &lt;boost/weak_ptr.hpp&gt;
#include &lt;stdio.h&gt;
#include &lt;errno.h&gt;
#include &lt;exception&gt;
struct error : virtual std::exception, virtual boost::<span class="RenoLink"><a href="exception.html">exception</a></span> { };
struct file_error : virtual error { };
struct file_open_error: virtual file_error { };
struct file_read_error: virtual file_error { };
boost::shared_ptr&lt;FILE&gt;
open_file( char const * file, char const * mode )
{
if( FILE * f=fopen(file,mode) )
return boost::shared_ptr&lt;FILE&gt;(f,fclose);
else
<span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span>(
file_open_error() &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_api_function.html">errinfo_api_function</a></span>("fopen") &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_errno.html">errinfo_errno</a></span>(errno) &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_file_name.html">errinfo_file_name</a></span>(file) &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_file_open_mode.html">errinfo_file_open_mode</a></span>(mode) );
}
size_t
read_file( boost::shared_ptr&lt;FILE&gt; const &amp; f, void * buf, size_t size )
{
size_t nr=fread(buf,1,size,f.get());
if( ferror(f.get()) )
<span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span>(
file_read_error() &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_api_function.html">errinfo_api_function</a></span>("fread") &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_errno.html">errinfo_errno</a></span>(errno) &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_file_handle.html">errinfo_file_handle</a></span>(f) );
return nr;
}</pre>
</div></div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
<h3>See Also:</h3>
<div class="RenoPageList"><a href="boost_exception_errinfo_at_line_hpp.html">boost/exception/errinfo_at_line.hpp<br/>
</a></div>

48
doc/errinfo_errno.html
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@ -31,7 +31,53 @@ boost
<span class="RenoIncludeSPAN"> <span class="RenoIncludeSPAN">typedef <span class="RenoLink"><a href="error_info.html">error_info</a></span>&lt;struct errinfo_errno_,int&gt; <span class="RenoLink">errinfo_errno</span>;</span></span>
}</pre>
</div></div><p>This type is designed to be used as a standard <span class="RenoLink"><a href="error_info.html">error_info</a></span> instance for transporting a relevant errno value in exceptions deriving from boost::<span class="RenoLink"><a href="exception.html">exception</a></span>.</p>
</div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
<h3>Example:</h3>
<div class="RenoIncludeDIV"><pre>#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_api_function_hpp.html">boost/exception/errinfo_api_function.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_at_line_hpp.html">boost/exception/errinfo_at_line.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_errno_hpp.html">boost/exception/errinfo_errno.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_file_handle_hpp.html">boost/exception/errinfo_file_handle.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_file_name_hpp.html">boost/exception/errinfo_file_name.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_file_open_mode_hpp.html">boost/exception/errinfo_file_open_mode.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_info_hpp.html">boost/exception/info.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_throw_exception_hpp.html">boost/throw_exception.hpp</a></span>&gt;
#include &lt;boost/shared_ptr.hpp&gt;
#include &lt;boost/weak_ptr.hpp&gt;
#include &lt;stdio.h&gt;
#include &lt;errno.h&gt;
#include &lt;exception&gt;
struct error : virtual std::exception, virtual boost::<span class="RenoLink"><a href="exception.html">exception</a></span> { };
struct file_error : virtual error { };
struct file_open_error: virtual file_error { };
struct file_read_error: virtual file_error { };
boost::shared_ptr&lt;FILE&gt;
open_file( char const * file, char const * mode )
{
if( FILE * f=fopen(file,mode) )
return boost::shared_ptr&lt;FILE&gt;(f,fclose);
else
<span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span>(
file_open_error() &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_api_function.html">errinfo_api_function</a></span>("fopen") &lt;&lt;
boost::<span class="RenoLink">errinfo_errno</span>(errno) &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_file_name.html">errinfo_file_name</a></span>(file) &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_file_open_mode.html">errinfo_file_open_mode</a></span>(mode) );
}
size_t
read_file( boost::shared_ptr&lt;FILE&gt; const &amp; f, void * buf, size_t size )
{
size_t nr=fread(buf,1,size,f.get());
if( ferror(f.get()) )
<span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span>(
file_read_error() &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_api_function.html">errinfo_api_function</a></span>("fread") &lt;&lt;
boost::<span class="RenoLink">errinfo_errno</span>(errno) &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_file_handle.html">errinfo_file_handle</a></span>(f) );
return nr;
}</pre>
</div></div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
<h3>See Also:</h3>
<div class="RenoPageList"><a href="boost_exception_errinfo_errno_hpp.html">boost/exception/errinfo_errno.hpp<br/>
</a><a href="frequently_asked_questions.html">Frequently Asked Questions<br/>

48
doc/errinfo_file_handle.html
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@ -31,7 +31,53 @@ boost
<span class="RenoIncludeSPAN"> <span class="RenoIncludeSPAN">typedef <span class="RenoLink"><a href="error_info.html">error_info</a></span>&lt;struct errinfo_file_handle_,weak_ptr&lt;FILE&gt; &gt; <span class="RenoLink">errinfo_file_handle</span>;</span></span>
}</pre>
</div></div><p>This type is designed to be used as a standard <span class="RenoLink"><a href="error_info.html">error_info</a></span> instance for transporting a relevant FILE pointer managed by a boost::shared_ptr&lt;FILE&gt; in exceptions deriving from boost::<span class="RenoLink"><a href="exception.html">exception</a></span>.</p>
</div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
<h3>Example:</h3>
<div class="RenoIncludeDIV"><pre>#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_api_function_hpp.html">boost/exception/errinfo_api_function.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_at_line_hpp.html">boost/exception/errinfo_at_line.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_errno_hpp.html">boost/exception/errinfo_errno.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_file_handle_hpp.html">boost/exception/errinfo_file_handle.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_file_name_hpp.html">boost/exception/errinfo_file_name.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_file_open_mode_hpp.html">boost/exception/errinfo_file_open_mode.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_info_hpp.html">boost/exception/info.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_throw_exception_hpp.html">boost/throw_exception.hpp</a></span>&gt;
#include &lt;boost/shared_ptr.hpp&gt;
#include &lt;boost/weak_ptr.hpp&gt;
#include &lt;stdio.h&gt;
#include &lt;errno.h&gt;
#include &lt;exception&gt;
struct error : virtual std::exception, virtual boost::<span class="RenoLink"><a href="exception.html">exception</a></span> { };
struct file_error : virtual error { };
struct file_open_error: virtual file_error { };
struct file_read_error: virtual file_error { };
boost::shared_ptr&lt;FILE&gt;
open_file( char const * file, char const * mode )
{
if( FILE * f=fopen(file,mode) )
return boost::shared_ptr&lt;FILE&gt;(f,fclose);
else
<span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span>(
file_open_error() &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_api_function.html">errinfo_api_function</a></span>("fopen") &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_errno.html">errinfo_errno</a></span>(errno) &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_file_name.html">errinfo_file_name</a></span>(file) &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_file_open_mode.html">errinfo_file_open_mode</a></span>(mode) );
}
size_t
read_file( boost::shared_ptr&lt;FILE&gt; const &amp; f, void * buf, size_t size )
{
size_t nr=fread(buf,1,size,f.get());
if( ferror(f.get()) )
<span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span>(
file_read_error() &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_api_function.html">errinfo_api_function</a></span>("fread") &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_errno.html">errinfo_errno</a></span>(errno) &lt;&lt;
boost::<span class="RenoLink">errinfo_file_handle</span>(f) );
return nr;
}</pre>
</div></div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
<h3>See Also:</h3>
<div class="RenoPageList"><a href="boost_exception_errinfo_file_handle_hpp.html">boost/exception/errinfo_file_handle.hpp<br/>
</a></div>

48
doc/errinfo_file_name.html
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@ -31,7 +31,53 @@ boost
<span class="RenoIncludeSPAN"> <span class="RenoIncludeSPAN">typedef <span class="RenoLink"><a href="error_info.html">error_info</a></span>&lt;struct errinfo_file_name_,std::string&gt; <span class="RenoLink">errinfo_file_name</span>;</span></span>
}</pre>
</div></div><p>This type is designed to be used as a standard <span class="RenoLink"><a href="error_info.html">error_info</a></span> instance for transporting a relevant file name in exceptions deriving from boost::<span class="RenoLink"><a href="exception.html">exception</a></span>.</p>
</div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
<h3>Example:</h3>
<div class="RenoIncludeDIV"><pre>#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_api_function_hpp.html">boost/exception/errinfo_api_function.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_at_line_hpp.html">boost/exception/errinfo_at_line.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_errno_hpp.html">boost/exception/errinfo_errno.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_file_handle_hpp.html">boost/exception/errinfo_file_handle.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_file_name_hpp.html">boost/exception/errinfo_file_name.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_file_open_mode_hpp.html">boost/exception/errinfo_file_open_mode.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_info_hpp.html">boost/exception/info.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_throw_exception_hpp.html">boost/throw_exception.hpp</a></span>&gt;
#include &lt;boost/shared_ptr.hpp&gt;
#include &lt;boost/weak_ptr.hpp&gt;
#include &lt;stdio.h&gt;
#include &lt;errno.h&gt;
#include &lt;exception&gt;
struct error : virtual std::exception, virtual boost::<span class="RenoLink"><a href="exception.html">exception</a></span> { };
struct file_error : virtual error { };
struct file_open_error: virtual file_error { };
struct file_read_error: virtual file_error { };
boost::shared_ptr&lt;FILE&gt;
open_file( char const * file, char const * mode )
{
if( FILE * f=fopen(file,mode) )
return boost::shared_ptr&lt;FILE&gt;(f,fclose);
else
<span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span>(
file_open_error() &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_api_function.html">errinfo_api_function</a></span>("fopen") &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_errno.html">errinfo_errno</a></span>(errno) &lt;&lt;
boost::<span class="RenoLink">errinfo_file_name</span>(file) &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_file_open_mode.html">errinfo_file_open_mode</a></span>(mode) );
}
size_t
read_file( boost::shared_ptr&lt;FILE&gt; const &amp; f, void * buf, size_t size )
{
size_t nr=fread(buf,1,size,f.get());
if( ferror(f.get()) )
<span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span>(
file_read_error() &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_api_function.html">errinfo_api_function</a></span>("fread") &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_errno.html">errinfo_errno</a></span>(errno) &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_file_handle.html">errinfo_file_handle</a></span>(f) );
return nr;
}</pre>
</div></div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
<h3>See Also:</h3>
<div class="RenoPageList"><a href="boost_exception_errinfo_file_name_hpp.html">boost/exception/errinfo_file_name.hpp<br/>
</a><a href="frequently_asked_questions.html">Frequently Asked Questions<br/>

48
doc/errinfo_file_open_mode.html
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@ -31,7 +31,53 @@ boost
<span class="RenoIncludeSPAN"> <span class="RenoIncludeSPAN">typedef <span class="RenoLink"><a href="error_info.html">error_info</a></span>&lt;struct errinfo_file_open_mode_,std::string&gt; <span class="RenoLink">errinfo_file_open_mode</span>;</span></span>
}</pre>
</div></div><p>This type is designed to be used as a standard <span class="RenoLink"><a href="error_info.html">error_info</a></span> instance for transporting the string passed as a second argument to fopen in exceptions indicating fopen failures and deriving from boost::<span class="RenoLink"><a href="exception.html">exception</a></span>.</p>
</div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
<h3>Example:</h3>
<div class="RenoIncludeDIV"><pre>#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_api_function_hpp.html">boost/exception/errinfo_api_function.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_at_line_hpp.html">boost/exception/errinfo_at_line.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_errno_hpp.html">boost/exception/errinfo_errno.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_file_handle_hpp.html">boost/exception/errinfo_file_handle.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_file_name_hpp.html">boost/exception/errinfo_file_name.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_errinfo_file_open_mode_hpp.html">boost/exception/errinfo_file_open_mode.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_exception_info_hpp.html">boost/exception/info.hpp</a></span>&gt;
#include &lt;<span class="RenoLink"><a href="boost_throw_exception_hpp.html">boost/throw_exception.hpp</a></span>&gt;
#include &lt;boost/shared_ptr.hpp&gt;
#include &lt;boost/weak_ptr.hpp&gt;
#include &lt;stdio.h&gt;
#include &lt;errno.h&gt;
#include &lt;exception&gt;
struct error : virtual std::exception, virtual boost::<span class="RenoLink"><a href="exception.html">exception</a></span> { };
struct file_error : virtual error { };
struct file_open_error: virtual file_error { };
struct file_read_error: virtual file_error { };
boost::shared_ptr&lt;FILE&gt;
open_file( char const * file, char const * mode )
{
if( FILE * f=fopen(file,mode) )
return boost::shared_ptr&lt;FILE&gt;(f,fclose);
else
<span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span>(
file_open_error() &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_api_function.html">errinfo_api_function</a></span>("fopen") &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_errno.html">errinfo_errno</a></span>(errno) &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_file_name.html">errinfo_file_name</a></span>(file) &lt;&lt;
boost::<span class="RenoLink">errinfo_file_open_mode</span>(mode) );
}
size_t
read_file( boost::shared_ptr&lt;FILE&gt; const &amp; f, void * buf, size_t size )
{
size_t nr=fread(buf,1,size,f.get());
if( ferror(f.get()) )
<span class="RenoLink"><a href="BOOST_THROW_EXCEPTION.html">BOOST_THROW_EXCEPTION</a></span>(
file_read_error() &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_api_function.html">errinfo_api_function</a></span>("fread") &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_errno.html">errinfo_errno</a></span>(errno) &lt;&lt;
boost::<span class="RenoLink"><a href="errinfo_file_handle.html">errinfo_file_handle</a></span>(f) );
return nr;
}</pre>
</div></div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
<h3>See Also:</h3>
<div class="RenoPageList"><a href="boost_exception_errinfo_file_open_mode_hpp.html">boost/exception/errinfo_file_open_mode.hpp<br/>
</a><a href="frequently_asked_questions.html">Frequently Asked Questions<br/>

15478
doc/source/boost-exception.reno
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1
example/Jamfile
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@ -13,3 +13,4 @@ obj cloning_2 : cloning_2.cpp : <threading>multi ;
obj info_tuple : info_tuple.cpp ;
obj enable_error_info : enable_error_info.cpp ;
obj logging : logging.cpp ;
obj errinfos : errinfos.cpp ;

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@ -0,0 +1,53 @@
//Copyright (c) 2006-2009 Emil Dotchevski and Reverge Studios, Inc.
//Distributed under the Boost Software License, Version 1.0. (See accompanying
//file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//This example demonstrates the intended use of various commonly used
//error_info typedefs provided by Boost Exception.
#include <boost/exception/errinfo_api_function.hpp>
#include <boost/exception/errinfo_at_line.hpp>
#include <boost/exception/errinfo_errno.hpp>
#include <boost/exception/errinfo_file_handle.hpp>
#include <boost/exception/errinfo_file_name.hpp>
#include <boost/exception/errinfo_file_open_mode.hpp>
#include <boost/exception/info.hpp>
#include <boost/throw_exception.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/weak_ptr.hpp>
#include <stdio.h>
#include <errno.h>
#include <exception>
struct error : virtual std::exception, virtual boost::exception { };
struct file_error : virtual error { };
struct file_open_error: virtual file_error { };
struct file_read_error: virtual file_error { };
boost::shared_ptr<FILE>
open_file( char const * file, char const * mode )
{
if( FILE * f=fopen(file,mode) )
return boost::shared_ptr<FILE>(f,fclose);
else
BOOST_THROW_EXCEPTION(
file_open_error() <<
boost::errinfo_api_function("fopen") <<
boost::errinfo_errno(errno) <<
boost::errinfo_file_name(file) <<
boost::errinfo_file_open_mode(mode) );
}
size_t
read_file( boost::shared_ptr<FILE> const & f, void * buf, size_t size )
{
size_t nr=fread(buf,1,size,f.get());
if( ferror(f.get()) )
BOOST_THROW_EXCEPTION(
file_read_error() <<
boost::errinfo_api_function("fread") <<
boost::errinfo_errno(errno) <<
boost::errinfo_file_handle(f) );
return nr;
}