Re: [boost] [system] Problem with error_code.hpp dependency on winerror.h

From: Beman Dawes (bdawes_at_[hidden])
Date: 2007-11-04 21:13:25

Christopher Kohlhoff wrote:
> On Wed, 31 Oct 2007 19:50:04 -0400, "Beman Dawes" <bdawes_at_[hidden]> said:
>> Emil Dotchevski wrote:
>>> Perhaps the enum should be placed in a platform-specific header, for
>>> example "boost/system/windows/error_code.hpp"?
> ...
>> I'll go ahead and put in the BOOST_SYSTEM_NO_ENUM #ifndef. That will at 
>> least allow users to avoid the system-specific enums if they wish. But 
>> the enums provide a really nice facility for dealing with 
>> system-specific errors, so I don't recommend using BOOST_SYSTEM_NO_ENUM 
>> except in unusual circumstances.
> 
> I find the suggestion of separate header files a nice idea. We can
> restrict system/error_code.hpp to only those interfaces specified for
> C++0x, and have a header file for each of the OS-specific namespaces
> (with the same name as the namespace for convenience), i.e.
> system/windows_error.hpp, system/linux_error.hpp,
> system/cygwin_error.hpp, and so on. Developers have to use the
> OS-specific namespace qualification to refer to those error codes
> anyway, so it doesn't seem like much extra burden to include the
> additional header file.

OK, I'll do a trial refactoring along those lines. Be a few days, however.

--Beman