Re: [Boost-users] filesystem: create_directory unexpected exception

Subject: Re: [Boost-users] filesystem: create_directory unexpected exception
From: ciju john (johnc_at_[hidden])
Date: 2009-07-27 13:18:05

On Mon, Jul 27, 2009 at 11:43 AM, Craig
Henderson<cdm.henderson_at_[hidden]> wrote:
> 2009/7/27 ciju john <johnc_at_[hidden]>
>>
>> Platform: Windows XP Pro
>> Boost version: 1.38 1.39 (BoostPro binary release)
>>
>> try {
>> Â  Â  Â  Â boost::filesystem::create_directory ("C:\Program Files\hello123");
>> Â  Â  Â }
>> Â  Â  Â catch (const boost::filesystem::basic_filesystem_error<char*>& ) {
>> Â  Â  Â  Â std::cerr << "Directory creation failed" << std::endl;
>> Â  Â  Â }
>>
>> The above code crashes if user doesn't have root permission. I assume
>> some exception is being thrown as catch (...) catches whatevers being
>> thrown. The documentation says "Throws: basic_filesystem_error<Path>
>> if  Effects fails for any reason other than because the directory
>> already exists." The requested directory "C:\Program Files\hello123"
>> doesn't exist, so I should have caught a
>> boost::filesystem::basic_filesystem_error. Is this a known issue or am
>> I the only one seeing this?
>>
>
> basic_filesystem_error<Path> is not the same as basic_filesystem_error<char
> *> as Path will be a boost::filesystem::path type.

Right. Changing to basic_filesystem_error<Path> worked. I see a lot of
the examples just catch std::exception. thanks...

Ciju

> If in doubt, catch (std::exception &e) and inspect the type of e in the
> debugger.
> Regards
> -- Craig
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>

-- 
Ciju John, Object Computing, Inc.
St. Louis, USA - http://www.ociweb.com