[boost] [Boost-bugs] [ boost-Patches-1157160 ] patch for boost::filesystem

From: SourceForge.net (noreply_at_[hidden])
Date: 2006-01-09 17:24:02

Patches item #1157160, was opened at 2005-03-04 23:23
Message generated for change (Settings changed) made by mclow
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https://sourceforge.net/tracker/?func=detail&atid=307586&aid=1157160&group_id=7586

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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Steven Weiss (fotzor)
>Assigned to: Beman Dawes (beman_dawes)
Summary: patch for boost::filesystem

Initial Comment:
hi,
when you try to get the branch path of this
"c:\\some_dir\\some_file.txt"
under windows the branch path should be "c:\\some_dir".
what is returned instead is "c:" which isn't correct.
so here's the fix:

in path_posix_windows.cpp:

  std::string::size_type leaf_pos( const std::string & str,
    std::string::size_type end_pos ) // end_pos is
past-the-end position
  // return 0 if str itself is leaf (or empty) 
  {
    if ( end_pos && str[end_pos-1] == '/' ) return
end_pos-1;
    
    std::string::size_type pos( str.find_last_of( '/',
end_pos-1 ) );
#   ifdef BOOST_WINDOWS
        if ( pos == std::string::npos ) pos =
str.find_last_of( '\\', end_pos-1 );                 //
ADDED
    if ( pos == std::string::npos ) pos =
str.find_last_of( ':', end_pos-2 );
#   endif

    return ( pos == std::string::npos // path itself
must be a leaf (or empty)
#     ifdef BOOST_WINDOWS
      || (pos == 1 && (str[0] == '/' || str[0] ==
'\\')) // or share    // ADDED
#     endif
      ) ? 0 // so leaf is entire string
        : pos + 1; // or starts after delimiter
  }

mfg steven

----------------------------------------------------------------------

Comment By: Steven Weiss (fotzor)
Date: 2005-03-05 00:24

Message:
Logged In: YES 
user_id=1124235

i forgot something...
in branch_path() you must also change the condition of the
if to:

if ( end_pos && (m_path[end_pos-1] == '/' ||
m_path[end_pos-1] == '\\')
        && !detail::is_absolute_root( m_path, end_pos ) )
--end_pos;

else it doesn't work proper. perhaps there are other
functions depending on leaf_pos() that must be adjusted as well

----------------------------------------------------------------------

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