id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc
2731,std::basic_fstream open for wpath assigns mode,jhamm@…,Beman Dawes,"The open behavior of fstream for wpath seems to be different than path. The mode is assigned input and output flags in the wpath version.

Is this correct behaviour?

This is the best I could do for a diff:

\boost\filesystem\fstream.hpp ====
***************
*** 467,473 ****
      {
        std::basic_fstream<charT,traits>::open(
          detail::path_proxy( file_ph.external_file_string(),
!           mode ).c_str(), mode | std::ios_base::in | std::ios_base::out );
      }
  
      template <class charT, class traits>
--- 467,474 ----
      {
        std::basic_fstream<charT,traits>::open(
          detail::path_proxy( file_ph.external_file_string(),
!           mode ).c_str(), mode ); //| std::ios_base::in | std::ios_base::out );
!           // Note: this change seems more consistent with the non-wpath version.
      }
  
      template <class charT, class traits>
***************
*** 476,482 ****
      {
        std::basic_fstream<charT,traits>::open(
          detail::path_proxy( file_ph.external_file_string(),
!           mode ).c_str(), mode | std::ios_base::in | std::ios_base::out );
      }
  
  # endif
--- 477,485 ----
      {
        std::basic_fstream<charT,traits>::open(
          detail::path_proxy( file_ph.external_file_string(),
!           mode ).c_str(), 
!           mode ); //| std::ios_base::in | std::ios_base::out );
!           // Note: this change seems more consistent with the non-wpath version.
      }
  
  # endif",Bugs,closed,Boost 1.38.0,filesystem,Boost 1.37.0,Problem,duplicate,,