From: Jonathan Turkanis (technews_at_[hidden])
Date: 2005-08-29 15:14:27
Elisha Berns wrote:
> Jonathan,
>
> Thanks for the reply. I have found a fix for this problem. It
> consists of two things:
>
> 1) A small code change in mapped_file.cpp to make extra sure the
> correct flag is set:
>
> //--------------Open underlying
> file------------------------------------
>
> pimpl_->handle_ =
> ::CreateFileA( p.path.c_str(),
> readonly ? GENERIC_READ : GENERIC_ALL,
> FILE_SHARE_READ,
> NULL,
> (p.new_file_size != 0 && !readonly) ?
> CREATE_ALWAYS :
> OPEN_EXISTING,
> readonly ? FILE_ATTRIBUTE_READONLY :
> FILE_ATTRIBUTE_TEMPORARY,
> NULL );
>
> if (pimpl_->handle_ == INVALID_HANDLE_VALUE)
> detail::cleanup_and_throw(*pimpl_, "failed opening file");
>
> it's the line:
>
> readonly ? FILE_ATTRIBUTE_READONLY : FILE_ATTRIBUTE_TEMPORARY,
To be honest, I'm not sure I understand why FILE_ATTRIBUTE_TEMPORARY is used
here. I think Jonathan Graehl suggested it. Could you see if your code works
with FILE_ATTRIBUTE_NORMAL?
> 2) My apologies about this second thing, since it's my problem, even
> if it is an issue of checking under the hood what assumptions are
> made by Boost.Iostreams. The issue is that the file names that I get
> from XercesC contain a mix of forward slashes and back slashes for
> directory separators. In Win32, the file mapping API
> CreateFileMapping doesn't accept back slashes except in a few cases.
This has been fixed in CVS.
Thanks.
Jonathan