sl@0: //  boost/filesystem/operations.hpp  -----------------------------------------//
sl@0: 
sl@0: //  Copyright 2002-2005 Beman Dawes
sl@0: //  Copyright 2002 Jan Langer
sl@0: //  Copyright 2001 Dietmar Kuehl                                        
sl@0: //  
sl@0: //  Use, modification, and distribution is subject to the Boost Software
sl@0: //  License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy
sl@0: //  at http://www.boost.org/LICENSE_1_0.txt)                             
sl@0: 
sl@0: //  See library home page at http://www.boost.org/libs/filesystem
sl@0: 
sl@0: //----------------------------------------------------------------------------// 
sl@0: 
sl@0: #ifndef BOOST_FILESYSTEM_OPERATIONS_HPP
sl@0: #define BOOST_FILESYSTEM_OPERATIONS_HPP
sl@0: 
sl@0: #include <boost/filesystem/path.hpp>  // includes <boost/filesystem/config.hpp>
sl@0: 
sl@0: #include <boost/shared_ptr.hpp>
sl@0: #include <boost/utility/enable_if.hpp>
sl@0: #include <boost/type_traits/is_same.hpp>
sl@0: #include <boost/iterator.hpp>
sl@0: #include <boost/cstdint.hpp>
sl@0: #include <boost/assert.hpp>
sl@0: 
sl@0: #include <string>
sl@0: #include <utility> // for pair
sl@0: #include <ctime>
sl@0: 
sl@0: #ifdef BOOST_WINDOWS_API
sl@0: #  include <fstream>
sl@0: #  if !defined(_WIN32_WINNT) || _WIN32_WINNT >= 0x0500
sl@0: #    define BOOST_FS_HARD_LINK // Default for Windows 2K or later 
sl@0: #  endif
sl@0: #endif
sl@0: 
sl@0: #include <boost/config/abi_prefix.hpp> // must be the last #include
sl@0: 
sl@0: # ifdef BOOST_NO_STDC_NAMESPACE
sl@0:     namespace std { using ::time_t; }
sl@0: # endif
sl@0: 
sl@0: # ifndef BOOST_FILESYSTEM_NARROW_ONLY
sl@0: #   define BOOST_FS_FUNC(BOOST_FS_TYPE) \
sl@0:       template<class Path> typename boost::enable_if<is_basic_path<Path>, \
sl@0:       BOOST_FS_TYPE>::type
sl@0: #   define BOOST_INLINE_FS_FUNC(BOOST_FS_TYPE) \
sl@0:       template<class Path> inline typename boost::enable_if<is_basic_path<Path>, \
sl@0:       BOOST_FS_TYPE>::type
sl@0: #   define BOOST_FS_TYPENAME typename
sl@0: # else
sl@0: #   define BOOST_FS_FUNC(BOOST_FS_TYPE) inline BOOST_FS_TYPE
sl@0: #   define BOOST_INLINE_FS_FUNC(BOOST_FS_TYPE) inline BOOST_FS_TYPE
sl@0:     typedef boost::filesystem::path Path;
sl@0: #   define BOOST_FS_TYPENAME
sl@0: # endif
sl@0: 
sl@0: //----------------------------------------------------------------------------//
sl@0: 
sl@0: namespace boost
sl@0: {
sl@0:   namespace filesystem
sl@0:   {
sl@0:     template<class Path> class basic_directory_iterator;
sl@0: 
sl@0:     // BOOST_FILESYSTEM_NARROW_ONLY needs this:
sl@0:     typedef basic_directory_iterator<path> directory_iterator;
sl@0: 
sl@0:     template<class Path> class basic_directory_entry;
sl@0: 
sl@0:     enum file_type
sl@0:     { 
sl@0:       status_unknown,
sl@0:       file_not_found,
sl@0:       regular_file,
sl@0:       directory_file,
sl@0:       // the following will never be reported by some operating or file systems
sl@0:       symlink_file,
sl@0:       block_file,
sl@0:       character_file,
sl@0:       fifo_file,
sl@0:       socket_file,
sl@0:       type_unknown // file does exist, but isn't one of the above types
sl@0:     };
sl@0: 
sl@0:     class file_status
sl@0:     {
sl@0:     public:
sl@0:       explicit file_status( file_type v = status_unknown ) : m_value(v) {}
sl@0: 
sl@0:       void type( file_type v )  { m_value = v; }
sl@0:       file_type type() const    { return m_value; }
sl@0: 
sl@0:     private:
sl@0:       // the internal representation is unspecified so that additional state
sl@0:       // information such as permissions can be added in the future; this
sl@0:       // implementation just uses status_type as the internal representation
sl@0: 
sl@0:       file_type m_value;
sl@0:     };
sl@0: 
sl@0:     inline bool status_known( file_status f ) { return f.type() != status_unknown; }
sl@0:     inline bool exists( file_status f )       { return f.type() != status_unknown && f.type() != file_not_found; }
sl@0:     inline bool is_regular( file_status f )   { return f.type() == regular_file; }
sl@0:     inline bool is_directory( file_status f ) { return f.type() == directory_file; }
sl@0:     inline bool is_symlink( file_status f )   { return f.type() == symlink_file; }
sl@0:     inline bool is_other( file_status f )     { return exists(f) && !is_regular(f) && !is_directory(f) && !is_symlink(f); }
sl@0: 
sl@0:     struct space_info
sl@0:     {
sl@0:       // all values are byte counts
sl@0:       boost::uintmax_t capacity;
sl@0:       boost::uintmax_t free;      // <= capacity
sl@0:       boost::uintmax_t available; // <= free
sl@0:     };
sl@0: 
sl@0:     namespace detail
sl@0:     {
sl@0:       typedef std::pair< boost::filesystem::system_error_type, bool >
sl@0:         query_pair;
sl@0: 
sl@0:       typedef std::pair< boost::filesystem::system_error_type, boost::uintmax_t >
sl@0:         uintmax_pair;
sl@0: 
sl@0:       typedef std::pair< boost::filesystem::system_error_type, std::time_t >
sl@0:         time_pair;
sl@0: 
sl@0:       typedef std::pair< boost::filesystem::system_error_type, space_info >
sl@0:         space_pair;
sl@0: 
sl@0:       template< class Path >
sl@0:       struct directory_pair
sl@0:       {
sl@0:         typedef std::pair< boost::filesystem::system_error_type,
sl@0:           typename Path::external_string_type > type;
sl@0:       };
sl@0: 
sl@0: #   ifndef BOOST_FILESYSTEM_NO_DEPRECATED
sl@0:       BOOST_FILESYSTEM_DECL bool
sl@0:         symbolic_link_exists_api( const std::string & ); // deprecated
sl@0: #   endif
sl@0: 
sl@0:       BOOST_FILESYSTEM_DECL file_status
sl@0:         status_api( const std::string & ph, system_error_type & ec );
sl@0: #   ifndef BOOST_WINDOWS_API
sl@0:       BOOST_FILESYSTEM_DECL file_status
sl@0:         symlink_status_api( const std::string & ph, system_error_type & ec );
sl@0: #   endif
sl@0:       BOOST_FILESYSTEM_DECL query_pair
sl@0:         is_empty_api( const std::string & ph );
sl@0:       BOOST_FILESYSTEM_DECL query_pair
sl@0:         equivalent_api( const std::string & ph1, const std::string & ph2 );
sl@0:       BOOST_FILESYSTEM_DECL uintmax_pair
sl@0:         file_size_api( const std::string & ph );
sl@0:       BOOST_FILESYSTEM_DECL space_pair
sl@0:         space_api( const std::string & ph );
sl@0:       BOOST_FILESYSTEM_DECL time_pair 
sl@0:         last_write_time_api( const std::string & ph );
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type
sl@0:         last_write_time_api( const std::string & ph, std::time_t new_value );
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type
sl@0:         get_current_path_api( std::string & ph );
sl@0:       BOOST_FILESYSTEM_DECL query_pair
sl@0:         create_directory_api( const std::string & ph );
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type
sl@0:         create_hard_link_api( const std::string & to_ph,
sl@0:           const std::string & from_ph );
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type
sl@0:         create_symlink_api( const std::string & to_ph,
sl@0:           const std::string & from_ph );
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type
sl@0:         remove_api( const std::string & ph );
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type
sl@0:         rename_api( const std::string & from, const std::string & to );
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type
sl@0:         copy_file_api( const std::string & from, const std::string & to );
sl@0: 
sl@0: #   if defined(BOOST_WINDOWS_API)
sl@0:       
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type
sl@0:         get_full_path_name_api( const std::string & ph, std::string & target );
sl@0: 
sl@0: #     if !defined(BOOST_FILESYSTEM_NARROW_ONLY)
sl@0: 
sl@0:       BOOST_FILESYSTEM_DECL  boost::filesystem::file_status
sl@0:         status_api( const std::wstring & ph, system_error_type & ec );
sl@0:       BOOST_FILESYSTEM_DECL query_pair 
sl@0:         is_empty_api( const std::wstring & ph );
sl@0:       BOOST_FILESYSTEM_DECL query_pair
sl@0:         equivalent_api( const std::wstring & ph1, const std::wstring & ph2 );
sl@0:       BOOST_FILESYSTEM_DECL uintmax_pair 
sl@0:         file_size_api( const std::wstring & ph );
sl@0:       BOOST_FILESYSTEM_DECL space_pair 
sl@0:         space_api( const std::wstring & ph );
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type
sl@0:         get_full_path_name_api( const std::wstring & ph, std::wstring & target );
sl@0:       BOOST_FILESYSTEM_DECL time_pair 
sl@0:         last_write_time_api( const std::wstring & ph );
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type
sl@0:         last_write_time_api( const std::wstring & ph, std::time_t new_value );
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type 
sl@0:         get_current_path_api( std::wstring & ph );
sl@0:       BOOST_FILESYSTEM_DECL query_pair
sl@0:         create_directory_api( const std::wstring & ph );
sl@0: # ifdef BOOST_FS_HARD_LINK
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type
sl@0:         create_hard_link_api( const std::wstring & existing_ph,
sl@0:           const std::wstring & new_ph );
sl@0: # endif
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type
sl@0:         create_symlink_api( const std::wstring & to_ph,
sl@0:           const std::wstring & from_ph );
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type
sl@0:         remove_api( const std::wstring & ph );
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type
sl@0:         rename_api( const std::wstring & from, const std::wstring & to );
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type
sl@0:         copy_file_api( const std::wstring & from, const std::wstring & to );
sl@0: 
sl@0: #     endif
sl@0: #   endif
sl@0: 
sl@0:       template<class Path>
sl@0:       unsigned long remove_all_aux( const Path & ph );
sl@0: 
sl@0:     } // namespace detail
sl@0: 
sl@0: //  operations functions  ----------------------------------------------------//
sl@0: 
sl@0:     //  The non-template overloads enable automatic conversion from std and
sl@0:     //  C-style strings. See basic_path constructors. The enable_if for the
sl@0:     //  templates implements the famous "do-the-right-thing" rule.
sl@0: 
sl@0: //  query functions  ---------------------------------------------------------//
sl@0: 
sl@0:     BOOST_INLINE_FS_FUNC(file_status)
sl@0:     status( const Path & ph, system_error_type & ec )
sl@0:       { return detail::status_api( ph.external_file_string(), ec ); }
sl@0: 
sl@0:     BOOST_FS_FUNC(file_status)
sl@0:     status( const Path & ph )
sl@0:     { 
sl@0:       system_error_type ec;
sl@0:       file_status result( detail::status_api( ph.external_file_string(), ec ) );
sl@0:       if ( ec )
sl@0:         boost::throw_exception( basic_filesystem_error<Path>(
sl@0:         "boost::filesystem::status", ph, ec ) );
sl@0:       return result;
sl@0:     }
sl@0: 
sl@0:     BOOST_INLINE_FS_FUNC(file_status)
sl@0:     symlink_status( const Path & ph, system_error_type & ec )
sl@0: #   ifdef BOOST_WINDOWS_API
sl@0:       { return detail::status_api( ph.external_file_string(), ec ); }
sl@0: #   else
sl@0:       { return detail::symlink_status_api( ph.external_file_string(), ec ); }
sl@0: #   endif
sl@0: 
sl@0:     BOOST_FS_FUNC(file_status)
sl@0:     symlink_status( const Path & ph )
sl@0:     { 
sl@0:       system_error_type ec;
sl@0:       file_status result( symlink_status( ph, ec ) );
sl@0:       if ( ec )
sl@0:         boost::throw_exception( basic_filesystem_error<Path>(
sl@0:         "boost::filesystem::symlink_status", ph, ec ) );
sl@0:       return result;
sl@0:     }
sl@0: 
sl@0: # ifndef BOOST_FILESYSTEM_NO_DEPRECATED
sl@0:     inline bool symbolic_link_exists( const path & ph )
sl@0:       { return is_symlink( symlink_status(ph) ); }
sl@0: #endif
sl@0: 
sl@0:     BOOST_FS_FUNC(bool) exists( const Path & ph )
sl@0:     { 
sl@0:       system_error_type ec;
sl@0:       file_status result( detail::status_api( ph.external_file_string(), ec ) );
sl@0:       if ( ec )
sl@0:         boost::throw_exception( basic_filesystem_error<Path>(
sl@0:           "boost::filesystem::exists", ph, ec ) );
sl@0:       return exists( result );
sl@0:     }
sl@0: 
sl@0:     BOOST_FS_FUNC(bool) is_directory( const Path & ph )
sl@0:     { 
sl@0:       system_error_type ec;
sl@0:       file_status result( detail::status_api( ph.external_file_string(), ec ) );
sl@0:       if ( ec )
sl@0:         boost::throw_exception( basic_filesystem_error<Path>(
sl@0:           "boost::filesystem::is_directory", ph, ec ) );
sl@0:       return is_directory( result );
sl@0:     }
sl@0: 
sl@0:     BOOST_FS_FUNC(bool) is_regular( const Path & ph )
sl@0:     { 
sl@0:       system_error_type ec;
sl@0:       file_status result( detail::status_api( ph.external_file_string(), ec ) );
sl@0:       if ( ec )
sl@0:         boost::throw_exception( basic_filesystem_error<Path>(
sl@0:           "boost::filesystem::is_regular", ph, ec ) );
sl@0:       return is_regular( result );
sl@0:     }
sl@0: 
sl@0:     BOOST_FS_FUNC(bool) is_other( const Path & ph )
sl@0:     { 
sl@0:       system_error_type ec;
sl@0:       file_status result( detail::status_api( ph.external_file_string(), ec ) );
sl@0:       if ( ec )
sl@0:         boost::throw_exception( basic_filesystem_error<Path>(
sl@0:           "boost::filesystem::is_other", ph, ec ) );
sl@0:       return is_other( result );
sl@0:     }
sl@0: 
sl@0:     BOOST_FS_FUNC(bool) is_symlink(
sl@0: #   ifdef BOOST_WINDOWS_API
sl@0:       const Path & )
sl@0:     {
sl@0:       return false;
sl@0: #   else
sl@0:       const Path & ph)
sl@0:     {
sl@0:       system_error_type ec;
sl@0:       file_status result( detail::symlink_status_api( ph.external_file_string(), ec ) );
sl@0:       if ( ec )
sl@0:         boost::throw_exception( basic_filesystem_error<Path>(
sl@0:           "boost::filesystem::is_symlink", ph, ec ) );
sl@0:       return is_symlink( result );
sl@0: #   endif
sl@0:     }
sl@0: 
sl@0:     // VC++ 7.0 and earlier has a serious namespace bug that causes a clash
sl@0:     // between boost::filesystem::is_empty and the unrelated type trait
sl@0:     // boost::is_empty.
sl@0: 
sl@0: # if !defined( BOOST_MSVC ) || BOOST_MSVC > 1300
sl@0:     BOOST_FS_FUNC(bool) is_empty( const Path & ph )
sl@0: # else
sl@0:     BOOST_FS_FUNC(bool) _is_empty( const Path & ph )
sl@0: # endif
sl@0:     {
sl@0:       detail::query_pair result = detail::is_empty_api( ph.external_file_string() );
sl@0:       if ( result.first != 0 )
sl@0:         boost::throw_exception( basic_filesystem_error<Path>(
sl@0:           "boost::filesystem::is_empty", ph, result.first ) );
sl@0:       return result.second;
sl@0:     }
sl@0: 
sl@0:     BOOST_FS_FUNC(bool) equivalent( const Path & ph1, const Path & ph2 )
sl@0:     {
sl@0:       detail::query_pair result = detail::equivalent_api(
sl@0:         ph1.external_file_string(), ph2.external_file_string() );
sl@0:       if ( result.first != 0 )
sl@0:         boost::throw_exception( basic_filesystem_error<Path>(
sl@0:           "boost::filesystem::equivalent", ph1, ph2, result.first ) );
sl@0:       return result.second;
sl@0:     }
sl@0: 
sl@0:     BOOST_FS_FUNC(boost::uintmax_t) file_size( const Path & ph )
sl@0:     {
sl@0:       detail::uintmax_pair result
sl@0:         = detail::file_size_api( ph.external_file_string() );
sl@0:       if ( result.first != 0 )
sl@0:         boost::throw_exception( basic_filesystem_error<Path>(
sl@0:           "boost::filesystem::file_size", ph, result.first ) );
sl@0:       return result.second;
sl@0:     }
sl@0: 
sl@0:     BOOST_FS_FUNC(space_info) space( const Path & ph )
sl@0:     {
sl@0:       detail::space_pair result
sl@0:         = detail::space_api( ph.external_file_string() );
sl@0:       if ( result.first != 0 )
sl@0:         boost::throw_exception( basic_filesystem_error<Path>(
sl@0:           "boost::filesystem::space", ph, result.first ) );
sl@0:       return result.second;
sl@0:     }
sl@0: 
sl@0:     BOOST_FS_FUNC(std::time_t) last_write_time( const Path & ph )
sl@0:     {
sl@0:       detail::time_pair result
sl@0:         = detail::last_write_time_api( ph.external_file_string() );
sl@0:       if ( result.first != 0 )
sl@0:         boost::throw_exception( basic_filesystem_error<Path>(
sl@0:           "boost::filesystem::last_write_time", ph, result.first ) );
sl@0:       return result.second;
sl@0:     }
sl@0: 
sl@0: 
sl@0: //  operations  --------------------------------------------------------------//
sl@0: 
sl@0:     BOOST_FS_FUNC(bool) create_directory( const Path & dir_ph )
sl@0:     {
sl@0:       detail::query_pair result(
sl@0:         detail::create_directory_api( dir_ph.external_directory_string() ) );
sl@0:       if ( result.first != 0 )
sl@0:         boost::throw_exception( basic_filesystem_error<Path>(
sl@0:           "boost::filesystem::create_directory",
sl@0:           dir_ph, result.first ) );
sl@0:       return result.second;
sl@0:     }
sl@0: 
sl@0: #if !defined(BOOST_WINDOWS_API) || defined(BOOST_FS_HARD_LINK)
sl@0:     BOOST_FS_FUNC(void)
sl@0:     create_hard_link( const Path & to_ph, const Path & from_ph )
sl@0:     {
sl@0:       system_error_type result( 
sl@0:         detail::create_hard_link_api(
sl@0:           to_ph.external_file_string(),
sl@0:           from_ph.external_file_string() ) );
sl@0:       if ( result != 0 )
sl@0:         boost::throw_exception( basic_filesystem_error<Path>(
sl@0:           "boost::filesystem::create_hard_link",
sl@0:           to_ph, from_ph, result ) );
sl@0:     }
sl@0: 
sl@0:     BOOST_FS_FUNC(system_error_type)
sl@0:     create_hard_link( const Path & to_ph, const Path & from_ph,
sl@0:       system_error_type & ec )
sl@0:     {
sl@0:       ec = detail::create_hard_link_api(
sl@0:             to_ph.external_file_string(),
sl@0:             from_ph.external_file_string() );
sl@0:       return ec;
sl@0:     }
sl@0: #endif
sl@0: 
sl@0:     BOOST_FS_FUNC(void)
sl@0:     create_symlink( const Path & to_ph, const Path & from_ph )
sl@0:     {
sl@0:       system_error_type result( 
sl@0:         detail::create_symlink_api(
sl@0:           to_ph.external_file_string(),
sl@0:           from_ph.external_file_string() ) );
sl@0:       if ( result )
sl@0:         boost::throw_exception( basic_filesystem_error<Path>(
sl@0:           "boost::filesystem::create_symlink",
sl@0:           to_ph, from_ph, result ) );
sl@0:     }
sl@0: 
sl@0:     BOOST_FS_FUNC(system_error_type)
sl@0:     create_symlink( const Path & to_ph, const Path & from_ph,
sl@0:       system_error_type & ec )
sl@0:     {
sl@0:       ec = detail::create_symlink_api(
sl@0:              to_ph.external_file_string(),
sl@0:              from_ph.external_file_string() );
sl@0:       return ec;
sl@0:     }
sl@0: 
sl@0:     BOOST_FS_FUNC(bool) remove( const Path & ph )
sl@0:     {
sl@0:       if ( exists( ph )
sl@0:         || is_symlink( ph ) ) // handle dangling symbolic links
sl@0:         // note that the POSIX behavior for symbolic links is what we want;
sl@0:         // the link rather than what it points to is deleted. Windows behavior
sl@0:         // doesn't matter; is_symlink() is always false on Windows.
sl@0:       {
sl@0:         system_error_type result = detail::remove_api( ph.external_file_string() );
sl@0:         if ( result != 0 )
sl@0:           boost::throw_exception( basic_filesystem_error<Path>(
sl@0:             "boost::filesystem::remove",
sl@0:             ph, result ) );
sl@0:         return true;
sl@0:       }
sl@0:       return false;
sl@0:     }
sl@0: 
sl@0:     BOOST_FS_FUNC(unsigned long) remove_all( const Path & ph )
sl@0:     {
sl@0:       return exists( ph )|| is_symlink( ph )
sl@0:         ? detail::remove_all_aux( ph ) : 0;
sl@0:     }
sl@0: 
sl@0:     BOOST_FS_FUNC(void) rename( const Path & from_path, const Path & to_path )
sl@0:     {
sl@0:       system_error_type result = detail::rename_api(
sl@0:         from_path.external_directory_string(),
sl@0:         to_path.external_directory_string() );
sl@0:       if ( result != 0 )
sl@0:         boost::throw_exception( basic_filesystem_error<Path>(
sl@0:           "boost::filesystem::rename",
sl@0:           from_path, to_path, result ) );
sl@0:     }
sl@0: 
sl@0:     BOOST_FS_FUNC(void) copy_file( const Path & from_path, const Path & to_path )
sl@0:     {
sl@0:       system_error_type result = detail::copy_file_api(
sl@0:         from_path.external_directory_string(),
sl@0:         to_path.external_directory_string() );
sl@0:       if ( result != 0 )
sl@0:         boost::throw_exception( basic_filesystem_error<Path>(
sl@0:           "boost::filesystem::copy_file",
sl@0:           from_path, to_path, result ) );
sl@0:     }
sl@0: 
sl@0:     template< class Path >
sl@0:     Path current_path()
sl@0:     {
sl@0:       typename Path::external_string_type ph;
sl@0:       boost::filesystem::system_error_type result;
sl@0:       if ( (result = detail::get_current_path_api( ph )) != 0 )
sl@0:           boost::throw_exception( basic_filesystem_error<Path>(
sl@0:             "boost::filesystem::current_path", result ) );
sl@0:       return Path( Path::traits_type::to_internal( ph ) );
sl@0:     }
sl@0: 
sl@0:     template< class Path >
sl@0:     const Path & initial_path()
sl@0:     {
sl@0:       static Path init_path;
sl@0:       if ( init_path.empty() ) init_path = current_path<Path>();
sl@0:       return init_path;
sl@0:     }
sl@0: 
sl@0: # ifndef BOOST_FILESYSTEM_NO_DEPRECATED
sl@0:     // legacy support
sl@0:     inline path current_path()  // overload supports pre-i18n apps
sl@0:       { return current_path<boost::filesystem::path>(); }
sl@0:     inline const path & initial_path() // overload supports pre-i18n apps
sl@0:       { return initial_path<boost::filesystem::path>(); }
sl@0: # endif
sl@0: 
sl@0:     BOOST_FS_FUNC(Path) system_complete( const Path & ph )
sl@0:     {
sl@0: # ifdef BOOST_WINDOWS_API
sl@0:       if ( ph.empty() ) return ph;
sl@0:       BOOST_FS_TYPENAME Path::external_string_type sys_ph;
sl@0:       boost::filesystem::system_error_type result;
sl@0:       if ( (result = detail::get_full_path_name_api( ph.external_file_string(),
sl@0:               sys_ph )) != 0 )
sl@0:           boost::throw_exception( basic_filesystem_error<Path>(
sl@0:             "boost::filesystem::system_complete", ph, result ) );
sl@0:       return Path( Path::traits_type::to_internal( sys_ph ) );
sl@0: # else
sl@0:       return (ph.empty() || ph.is_complete())
sl@0:         ? ph : current_path<Path>() / ph;
sl@0: # endif
sl@0:     }
sl@0: 
sl@0:     BOOST_FS_FUNC(Path)
sl@0:     complete( const Path & ph,
sl@0:       const Path & base/* = initial_path<Path>() */)
sl@0:     {
sl@0:       BOOST_ASSERT( base.is_complete()
sl@0:         && (ph.is_complete() || !ph.has_root_name())
sl@0:         && "boost::filesystem::complete() precondition not met" );
sl@0: #   ifdef BOOST_WINDOWS_PATH
sl@0:       if (ph.empty() || ph.is_complete()) return ph;
sl@0:       if ( !ph.has_root_name() )
sl@0:         return ph.has_root_directory()
sl@0:           ? Path( base.root_name() ) / ph
sl@0:           : base / ph;
sl@0:       return base / ph;
sl@0: #   else
sl@0:       return (ph.empty() || ph.is_complete()) ? ph : base / ph;
sl@0: #   endif
sl@0:     }
sl@0: 
sl@0:     // VC++ 7.1 had trouble with default arguments, so separate one argument
sl@0:     // signatures are provided as workarounds; the effect is the same.
sl@0:     BOOST_FS_FUNC(Path) complete( const Path & ph )
sl@0:       { return complete( ph, initial_path<Path>() ); }
sl@0: 
sl@0:     BOOST_FS_FUNC(void)
sl@0:     last_write_time( const Path & ph, const std::time_t new_time )
sl@0:     {
sl@0:       boost::filesystem::system_error_type result;
sl@0:       if ( (result = detail::last_write_time_api( ph.external_file_string(),
sl@0:           new_time )) != 0 )
sl@0:         boost::throw_exception( basic_filesystem_error<Path>(
sl@0:           "boost::filesystem::last_write_time", ph, result ) );
sl@0:     }
sl@0: 
sl@0: # ifndef BOOST_FILESYSTEM_NARROW_ONLY
sl@0: 
sl@0:     // "do-the-right-thing" overloads  ---------------------------------------//
sl@0: 
sl@0:     inline file_status status( const path & ph )
sl@0:       { return status<path>( ph ); }
sl@0:     inline file_status status( const wpath & ph )
sl@0:       { return status<wpath>( ph ); }
sl@0: 
sl@0:     inline file_status status( const path & ph, system_error_type & ec )
sl@0:       { return status<path>( ph, ec ); }
sl@0:     inline file_status status( const wpath & ph, system_error_type & ec )
sl@0:       { return status<wpath>( ph, ec ); }
sl@0: 
sl@0:     inline file_status symlink_status( const path & ph )
sl@0:       { return symlink_status<path>( ph ); }
sl@0:     inline file_status symlink_status( const wpath & ph )
sl@0:       { return symlink_status<wpath>( ph ); }
sl@0: 
sl@0:     inline file_status symlink_status( const path & ph, system_error_type & ec )
sl@0:       { return symlink_status<path>( ph, ec ); }
sl@0:     inline file_status symlink_status( const wpath & ph, system_error_type & ec )
sl@0:       { return symlink_status<wpath>( ph, ec ); }
sl@0: 
sl@0:     inline bool exists( const path & ph ) { return exists<path>( ph ); }
sl@0:     inline bool exists( const wpath & ph ) { return exists<wpath>( ph ); }
sl@0: 
sl@0:     inline bool is_directory( const path & ph )
sl@0:       { return is_directory<path>( ph ); }
sl@0:     inline bool is_directory( const wpath & ph )
sl@0:       { return is_directory<wpath>( ph ); }
sl@0:  
sl@0:     inline bool is_regular( const path & ph )
sl@0:       { return is_regular<path>( ph ); }
sl@0:     inline bool is_regular( const wpath & ph )
sl@0:       { return is_regular<wpath>( ph ); }
sl@0: 
sl@0:     inline bool is_other( const path & ph )
sl@0:       { return is_other<path>( ph ); }
sl@0:     inline bool is_other( const wpath & ph )
sl@0:       { return is_other<wpath>( ph ); }
sl@0: 
sl@0:     inline bool is_symlink( const path & ph )
sl@0:       { return is_symlink<path>( ph ); }
sl@0:     inline bool is_symlink( const wpath & ph )
sl@0:       { return is_symlink<wpath>( ph ); }
sl@0: 
sl@0:     inline bool is_empty( const path & ph )
sl@0:       { return is_empty<path>( ph ); }
sl@0:     inline bool is_empty( const wpath & ph )
sl@0:       { return is_empty<wpath>( ph ); }
sl@0: 
sl@0:     inline bool equivalent( const path & ph1, const path & ph2 )
sl@0:       { return equivalent<path>( ph1, ph2 ); }
sl@0:     inline bool equivalent( const wpath & ph1, const wpath & ph2 )
sl@0:       { return equivalent<wpath>( ph1, ph2 ); }
sl@0: 
sl@0:     inline boost::uintmax_t file_size( const path & ph )
sl@0:       { return file_size<path>( ph ); }
sl@0:     inline boost::uintmax_t file_size( const wpath & ph )
sl@0:       { return file_size<wpath>( ph ); }
sl@0: 
sl@0:     inline space_info space( const path & ph )
sl@0:       { return space<path>( ph ); }
sl@0:     inline space_info space( const wpath & ph )
sl@0:       { return space<wpath>( ph ); }
sl@0: 
sl@0:     inline std::time_t last_write_time( const path & ph )
sl@0:       { return last_write_time<path>( ph ); }
sl@0:     inline std::time_t last_write_time( const wpath & ph )
sl@0:       { return last_write_time<wpath>( ph ); }
sl@0: 
sl@0:     inline bool create_directory( const path & dir_ph )
sl@0:       { return create_directory<path>( dir_ph ); }
sl@0:     inline bool create_directory( const wpath & dir_ph )
sl@0:       { return create_directory<wpath>( dir_ph ); }
sl@0: 
sl@0: #if !defined(BOOST_WINDOWS_API) || defined(BOOST_FS_HARD_LINK)
sl@0:     inline void create_hard_link( const path & to_ph,
sl@0:       const path & from_ph )
sl@0:       { return create_hard_link<path>( to_ph, from_ph ); }
sl@0:     inline void create_hard_link( const wpath & to_ph,
sl@0:       const wpath & from_ph )
sl@0:       { return create_hard_link<wpath>( to_ph, from_ph ); }
sl@0: 
sl@0:     inline system_error_type create_hard_link( const path & to_ph,
sl@0:       const path & from_ph, system_error_type & ec )
sl@0:       { return create_hard_link<path>( to_ph, from_ph, ec ); }
sl@0:     inline system_error_type create_hard_link( const wpath & to_ph,
sl@0:       const wpath & from_ph, system_error_type & ec )
sl@0:       { return create_hard_link<wpath>( to_ph, from_ph, ec ); }
sl@0: #endif
sl@0:     
sl@0:     inline void create_symlink( const path & to_ph,
sl@0:       const path & from_ph )
sl@0:       { return create_symlink<path>( to_ph, from_ph ); }
sl@0:     inline void create_symlink( const wpath & to_ph,
sl@0:       const wpath & from_ph )
sl@0:       { return create_symlink<wpath>( to_ph, from_ph ); }
sl@0: 
sl@0:     inline system_error_type create_symlink( const path & to_ph,
sl@0:       const path & from_ph, system_error_type & ec )
sl@0:       { return create_symlink<path>( to_ph, from_ph, ec ); }
sl@0:     inline system_error_type create_symlink( const wpath & to_ph,
sl@0:       const wpath & from_ph, system_error_type & ec )
sl@0:       { return create_symlink<wpath>( to_ph, from_ph, ec ); }
sl@0: 
sl@0:     inline bool remove( const path & ph )
sl@0:       { return remove<path>( ph ); }
sl@0:     inline bool remove( const wpath & ph )
sl@0:       { return remove<wpath>( ph ); }
sl@0: 
sl@0:     inline unsigned long remove_all( const path & ph )
sl@0:       { return remove_all<path>( ph ); }
sl@0:     inline unsigned long remove_all( const wpath & ph )
sl@0:       { return remove_all<wpath>( ph ); }
sl@0: 
sl@0:     inline void rename( const path & from_path, const path & to_path )
sl@0:       { return rename<path>( from_path, to_path ); }
sl@0:     inline void rename( const wpath & from_path, const wpath & to_path )
sl@0:       { return rename<wpath>( from_path, to_path ); }
sl@0: 
sl@0:     inline void copy_file( const path & from_path, const path & to_path )
sl@0:       { return copy_file<path>( from_path, to_path ); }
sl@0:     inline void copy_file( const wpath & from_path, const wpath & to_path )
sl@0:       { return copy_file<wpath>( from_path, to_path ); }
sl@0: 
sl@0:     inline path system_complete( const path & ph )
sl@0:       { return system_complete<path>( ph ); }
sl@0:     inline wpath system_complete( const wpath & ph )
sl@0:       { return system_complete<wpath>( ph ); }
sl@0: 
sl@0:     inline path complete( const path & ph,
sl@0:       const path & base/* = initial_path<path>()*/ )
sl@0:       { return complete<path>( ph, base ); }
sl@0:     inline wpath complete( const wpath & ph,
sl@0:       const wpath & base/* = initial_path<wpath>()*/ )
sl@0:       { return complete<wpath>( ph, base ); }
sl@0: 
sl@0:     inline path complete( const path & ph )
sl@0:       { return complete<path>( ph, initial_path<path>() ); }
sl@0:     inline wpath complete( const wpath & ph )
sl@0:       { return complete<wpath>( ph, initial_path<wpath>() ); }
sl@0: 
sl@0:     inline void last_write_time( const path & ph, const std::time_t new_time )
sl@0:       { last_write_time<path>( ph, new_time ); }
sl@0:     inline void last_write_time( const wpath & ph, const std::time_t new_time )
sl@0:       { last_write_time<wpath>( ph, new_time ); }
sl@0: 
sl@0: # endif // BOOST_FILESYSTEM_NARROW_ONLY
sl@0: 
sl@0:     namespace detail
sl@0:     {
sl@0:       template<class Path>
sl@0:       unsigned long remove_all_aux( const Path & ph )
sl@0:       {
sl@0:         static const boost::filesystem::basic_directory_iterator<Path> end_itr;
sl@0:         unsigned long count = 1;
sl@0:         if ( !boost::filesystem::is_symlink( ph ) // don't recurse symbolic links
sl@0:           && boost::filesystem::is_directory( ph ) )
sl@0:         {
sl@0:           for ( boost::filesystem::basic_directory_iterator<Path> itr( ph );
sl@0:                 itr != end_itr; ++itr )
sl@0:           {
sl@0:             count += remove_all_aux( itr->path() );
sl@0:           }
sl@0:         }
sl@0:         boost::filesystem::remove( ph );
sl@0:         return count;
sl@0:       }
sl@0: 
sl@0: //  test helper  -------------------------------------------------------------//
sl@0: 
sl@0:     // not part of the documented interface because false positives are possible;
sl@0:     // there is no law that says that an OS that has large stat.st_size
sl@0:     // actually supports large file sizes.
sl@0:       BOOST_FILESYSTEM_DECL bool possible_large_file_size_support();
sl@0: 
sl@0: //  directory_iterator helpers  ----------------------------------------------//
sl@0: 
sl@0: //    forwarding functions avoid need for BOOST_FILESYSTEM_DECL for class
sl@0: //    basic_directory_iterator, and so avoid iterator_facade DLL template
sl@0: //    problems. They also overload to the proper external path character type.
sl@0: 
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type
sl@0:         dir_itr_first( void *& handle,
sl@0: #if       defined(BOOST_POSIX_API)
sl@0:             void *& buffer,
sl@0: #endif
sl@0:           const std::string & dir_path,
sl@0:           std::string & target, file_status & fs, file_status & symlink_fs );
sl@0:       // eof: return==0 && handle==0
sl@0: 
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type
sl@0:         dir_itr_increment( void *& handle,
sl@0: #if       defined(BOOST_POSIX_API)
sl@0:             void *& buffer,
sl@0: #endif
sl@0:           std::string & target, file_status & fs, file_status & symlink_fs );
sl@0:       // eof: return==0 && handle==0
sl@0: 
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type
sl@0:         dir_itr_close( void *& handle
sl@0: #if       defined(BOOST_POSIX_API)
sl@0:             , void *& buffer
sl@0: #endif
sl@0:           );
sl@0:       // Effects: none if handle==0, otherwise close handle, set handle=0
sl@0: 
sl@0: #     if defined(BOOST_WINDOWS_API) && !defined(BOOST_FILESYSTEM_NARROW_ONLY)
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type
sl@0:         dir_itr_first( void *& handle, const std::wstring & ph,
sl@0:           std::wstring & target, file_status & fs, file_status & symlink_fs );
sl@0:       BOOST_FILESYSTEM_DECL boost::filesystem::system_error_type
sl@0:         dir_itr_increment( void *& handle, std::wstring & target,
sl@0:           file_status & fs, file_status & symlink_fs );
sl@0: #     endif
sl@0: 
sl@0:       template< class Path >
sl@0:       class dir_itr_imp
sl@0:       {
sl@0:       public:  
sl@0:         basic_directory_entry<Path> m_directory_entry;
sl@0:         void *        m_handle;
sl@0: #       ifdef BOOST_POSIX_API
sl@0:           void *      m_buffer;  // see dir_itr_increment implementation
sl@0: #       endif
sl@0:         dir_itr_imp() : m_handle(0)
sl@0: #       ifdef BOOST_POSIX_API
sl@0:           , m_buffer(0)
sl@0: #       endif
sl@0:         {}
sl@0: 
sl@0:         ~dir_itr_imp() { dir_itr_close( m_handle
sl@0: #if       defined(BOOST_POSIX_API)
sl@0:             , m_buffer
sl@0: #endif
sl@0:           ); }
sl@0:       };
sl@0: 
sl@0:     BOOST_FILESYSTEM_DECL extern system_error_type not_found_error;
sl@0:     } // namespace detail
sl@0: 
sl@0: //  basic_directory_iterator  ------------------------------------------------//
sl@0: 
sl@0:     template< class Path >
sl@0:     class basic_directory_iterator
sl@0:       : public boost::iterator_facade<
sl@0:           basic_directory_iterator<Path>,
sl@0:           basic_directory_entry<Path>,
sl@0:           boost::single_pass_traversal_tag >
sl@0:     {
sl@0:     public:
sl@0:       typedef Path path_type;
sl@0: 
sl@0:       basic_directory_iterator(){}  // creates the "end" iterator
sl@0: 
sl@0:       explicit basic_directory_iterator( const Path & dir_path );
sl@0:       basic_directory_iterator( const Path & dir_path, system_error_type & ec );
sl@0: 
sl@0:     private:
sl@0: 
sl@0:       // shared_ptr provides shallow-copy semantics required for InputIterators.
sl@0:       // m_imp.get()==0 indicates the end iterator.
sl@0:       boost::shared_ptr< detail::dir_itr_imp< Path > >  m_imp;
sl@0: 
sl@0:       friend class boost::iterator_core_access;
sl@0: 
sl@0:       typename boost::iterator_facade<
sl@0:         basic_directory_iterator<Path>,
sl@0:         basic_directory_entry<Path>,
sl@0:         boost::single_pass_traversal_tag >::reference dereference() const 
sl@0:       {
sl@0:         BOOST_ASSERT( m_imp.get() && "attempt to dereference end iterator" );
sl@0:         return m_imp->m_directory_entry;
sl@0:       }
sl@0: 
sl@0:       void increment();
sl@0: 
sl@0:       bool equal( const basic_directory_iterator & rhs ) const
sl@0:         { return m_imp == rhs.m_imp; }
sl@0: 
sl@0:       system_error_type m_init( const Path & dir_path );
sl@0:     };
sl@0: 
sl@0:     typedef basic_directory_iterator< path > directory_iterator;
sl@0: # ifndef BOOST_FILESYSTEM_NARROW_ONLY
sl@0:     typedef basic_directory_iterator< wpath > wdirectory_iterator;
sl@0: # endif
sl@0: 
sl@0:     //  basic_directory_iterator implementation  ---------------------------//
sl@0: 
sl@0:     template<class Path>
sl@0:     system_error_type basic_directory_iterator<Path>::m_init(
sl@0:       const Path & dir_path )
sl@0:     {
sl@0:       if ( dir_path.empty() )
sl@0:       {
sl@0:         m_imp.reset();
sl@0:         return detail::not_found_error;
sl@0:       }
sl@0:       system_error_type sys_err;
sl@0:       typename Path::external_string_type name;
sl@0:       file_status fs, symlink_fs;
sl@0: 
sl@0:       if ( (sys_err = detail::dir_itr_first( m_imp->m_handle,
sl@0: #if   defined(BOOST_POSIX_API)
sl@0:         m_imp->m_buffer,
sl@0: #endif
sl@0:         dir_path.external_directory_string(),
sl@0:         name, fs, symlink_fs )) != 0 )
sl@0:       {
sl@0:         m_imp.reset();
sl@0:         return sys_err;
sl@0:       }
sl@0:       
sl@0:       if ( m_imp->m_handle == 0 ) m_imp.reset(); // eof, so make end iterator
sl@0:       else // not eof
sl@0:       {
sl@0:         m_imp->m_directory_entry.assign( dir_path
sl@0:           / Path::traits_type::to_internal( name ), fs, symlink_fs );
sl@0:         if ( name[0] == dot<Path>::value // dot or dot-dot
sl@0:           && (name.size() == 1
sl@0:             || (name[1] == dot<Path>::value
sl@0:               && name.size() == 2)) )
sl@0:           {  increment(); }
sl@0:       }
sl@0:       return 0;
sl@0:     }
sl@0: 
sl@0:     template<class Path>
sl@0:     basic_directory_iterator<Path>::basic_directory_iterator(
sl@0:       const Path & dir_path )
sl@0:       : m_imp( new detail::dir_itr_imp<Path> )
sl@0:     {
sl@0:       system_error_type ec( m_init(dir_path) );
sl@0:       if ( ec != 0 )
sl@0:       {
sl@0:         boost::throw_exception( basic_filesystem_error<Path>(  
sl@0:           "boost::filesystem::basic_directory_iterator constructor",
sl@0:           dir_path, ec ) );
sl@0:       }
sl@0:     }
sl@0: 
sl@0:     template<class Path>
sl@0:     basic_directory_iterator<Path>::basic_directory_iterator(
sl@0:       const Path & dir_path, system_error_type & ec )
sl@0:       : m_imp( new detail::dir_itr_imp<Path> )
sl@0:     {
sl@0:       ec = m_init(dir_path);
sl@0:     }
sl@0: 
sl@0:     template<class Path>
sl@0:     void basic_directory_iterator<Path>::increment()
sl@0:     {
sl@0:       BOOST_ASSERT( m_imp.get() && "attempt to increment end iterator" );
sl@0:       BOOST_ASSERT( m_imp->m_handle != 0 && "internal program error" );
sl@0:       
sl@0:       system_error_type sys_err(0);
sl@0:       typename Path::external_string_type name;
sl@0:       file_status fs, symlink_fs;
sl@0: 
sl@0:       for (;;)
sl@0:       {
sl@0:         if ( (sys_err = detail::dir_itr_increment( m_imp->m_handle,
sl@0: #if     defined(BOOST_POSIX_API)
sl@0:           m_imp->m_buffer,
sl@0: #endif
sl@0:           name, fs, symlink_fs )) != 0 )
sl@0:         {
sl@0:           boost::throw_exception( basic_filesystem_error<Path>(  
sl@0:             "boost::filesystem::basic_directory_iterator increment",
sl@0:             m_imp->m_directory_entry.path().branch_path(), sys_err ) );
sl@0:         }
sl@0:         if ( m_imp->m_handle == 0 ) { m_imp.reset(); return; } // eof, make end
sl@0:         if ( !(name[0] == dot<Path>::value // !(dot or dot-dot)
sl@0:           && (name.size() == 1
sl@0:             || (name[1] == dot<Path>::value
sl@0:               && name.size() == 2))) )
sl@0:         {
sl@0:           m_imp->m_directory_entry.replace_leaf(
sl@0:             Path::traits_type::to_internal( name ), fs, symlink_fs );
sl@0:           return;
sl@0:         }
sl@0:       }
sl@0:     }
sl@0: 
sl@0:     //  basic_directory_entry  -----------------------------------------------//
sl@0:     
sl@0:     template<class Path>
sl@0:     class basic_directory_entry
sl@0:     {
sl@0:     public:
sl@0:       typedef Path path_type;
sl@0:       typedef typename Path::string_type string_type;
sl@0: 
sl@0:       // compiler generated copy-ctor, copy assignment, and destructor apply
sl@0: 
sl@0:       basic_directory_entry() {}
sl@0:       explicit basic_directory_entry( const path_type & p,
sl@0:         file_status st = file_status(), file_status symlink_st=file_status() )
sl@0:         : m_path(p), m_status(st), m_symlink_status(symlink_st)
sl@0:         {}
sl@0: 
sl@0:       void assign( const path_type & p,
sl@0:         file_status st, file_status symlink_st )
sl@0:         { m_path = p; m_status = st; m_symlink_status = symlink_st; }
sl@0: 
sl@0:       void replace_leaf( const string_type & s,
sl@0:         file_status st, file_status symlink_st )
sl@0:      {
sl@0:        m_path.remove_leaf();
sl@0:        m_path /= s;
sl@0:        m_status = st;
sl@0:        m_symlink_status = symlink_st;
sl@0:      }
sl@0: 
sl@0:       const Path &   path() const { return m_path; }
sl@0:       file_status   status() const;
sl@0:       file_status   status( system_error_type & ec ) const;
sl@0:       file_status   symlink_status() const;
sl@0:       file_status   symlink_status( system_error_type & ec ) const;
sl@0: 
sl@0:       // conversion simplifies the most common use of basic_directory_entry
sl@0:       operator const path_type &() const { return m_path; }
sl@0: 
sl@0: #   ifndef BOOST_FILESYSTEM_NO_DEPRECATED
sl@0:       // deprecated functions preserve common use cases in legacy code
sl@0:       typename Path::string_type leaf() const
sl@0:       {
sl@0:         return path().leaf();
sl@0:       }
sl@0:       typename Path::string_type string() const
sl@0:       {
sl@0:         return path().string();
sl@0:       }
sl@0: #   endif
sl@0: 
sl@0:     private:
sl@0:       path_type             m_path;
sl@0:       mutable file_status  m_status;           // stat()-like
sl@0:       mutable file_status  m_symlink_status;   // lstat()-like
sl@0:         // note: m_symlink_status is not used by Windows implementation
sl@0: 
sl@0:     }; // basic_directory_status
sl@0: 
sl@0:     typedef basic_directory_entry<path> directory_entry;
sl@0: # ifndef BOOST_FILESYSTEM_NARROW_ONLY
sl@0:     typedef basic_directory_entry<wpath> wdirectory_entry;
sl@0: # endif
sl@0: 
sl@0:     //  basic_directory_entry implementation  --------------------------------//
sl@0: 
sl@0:     template<class Path>
sl@0:     file_status
sl@0:     basic_directory_entry<Path>::status() const
sl@0:     {
sl@0:       if ( !status_known( m_status ) )
sl@0:       {
sl@0: #     ifndef BOOST_WINDOWS_API
sl@0:         if ( status_known( m_symlink_status )
sl@0:           && !is_symlink( m_symlink_status ) )
sl@0:           { m_status = m_symlink_status; }
sl@0:         else { m_status = boost::filesystem::status( m_path ); }
sl@0: #     else
sl@0:         m_status = boost::filesystem::status( m_path );
sl@0: #     endif
sl@0:       }
sl@0:       return m_status;
sl@0:     }
sl@0: 
sl@0:     template<class Path>
sl@0:     file_status
sl@0:     basic_directory_entry<Path>::status( system_error_type & ec ) const
sl@0:     {
sl@0:       if ( !status_known( m_status ) )
sl@0:       {
sl@0: #     ifndef BOOST_WINDOWS_API
sl@0:         if ( status_known( m_symlink_status )
sl@0:           && !is_symlink( m_symlink_status ) )
sl@0:           { ec = 0; m_status = m_symlink_status; }
sl@0:         else { m_status = boost::filesystem::status( m_path, ec ); }
sl@0: #     else
sl@0:         m_status = boost::filesystem::status( m_path, ec );
sl@0: #     endif
sl@0:       }
sl@0:       else ec = 0;
sl@0:       return m_status;
sl@0:     }
sl@0: 
sl@0:     template<class Path>
sl@0:     file_status
sl@0:     basic_directory_entry<Path>::symlink_status() const
sl@0:     {
sl@0: #   ifndef BOOST_WINDOWS_API
sl@0:       if ( !status_known( m_symlink_status ) )
sl@0:         { m_symlink_status = boost::filesystem::symlink_status( m_path ); }
sl@0:       return m_symlink_status;
sl@0: #   else
sl@0:       return status();
sl@0: #   endif
sl@0:     }
sl@0: 
sl@0:     template<class Path>
sl@0:     file_status
sl@0:     basic_directory_entry<Path>::symlink_status( system_error_type & ec ) const
sl@0:     {
sl@0: #   ifndef BOOST_WINDOWS_API
sl@0:       if ( !status_known( m_symlink_status ) )
sl@0:         { m_symlink_status = boost::filesystem::symlink_status( m_path, ec ); }
sl@0:       else ec = 0;
sl@0:       return m_symlink_status;
sl@0: #   else
sl@0:       return status( ec );
sl@0: #   endif
sl@0:     }
sl@0:   } // namespace filesystem
sl@0: } // namespace boost
sl@0: 
sl@0: #undef BOOST_FS_FUNC
sl@0: 
sl@0: 
sl@0: #include <boost/config/abi_suffix.hpp> // pops abi_prefix.hpp pragmas
sl@0: #endif // BOOST_FILESYSTEM_OPERATIONS_HPP