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Diffstat (limited to '3rdParty/Boost/src/libs/filesystem/v2/src/v2_operations.cpp')
| -rw-r--r-- | 3rdParty/Boost/src/libs/filesystem/v2/src/v2_operations.cpp | 1372 |
1 files changed, 0 insertions, 1372 deletions
diff --git a/3rdParty/Boost/src/libs/filesystem/v2/src/v2_operations.cpp b/3rdParty/Boost/src/libs/filesystem/v2/src/v2_operations.cpp deleted file mode 100644 index f29153c..0000000 --- a/3rdParty/Boost/src/libs/filesystem/v2/src/v2_operations.cpp +++ /dev/null @@ -1,1372 +0,0 @@ -// operations.cpp ----------------------------------------------------------// - -// Copyright 2002-2005 Beman Dawes -// Copyright 2001 Dietmar Kuehl -// Use, modification, and distribution is subject to the Boost Software -// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy -// at http://www.boost.org/LICENSE_1_0.txt) - -// See library home page at http://www.boost.org/libs/filesystem - -//----------------------------------------------------------------------------// - -// define BOOST_FILESYSTEM_SOURCE so that <boost/filesystem/config.hpp> knows -// the library is being built (possibly exporting rather than importing code) -#define BOOST_FILESYSTEM_SOURCE - -#ifndef BOOST_SYSTEM_NO_DEPRECATED -# define BOOST_SYSTEM_NO_DEPRECATED -#endif - -#define _POSIX_PTHREAD_SEMANTICS // Sun readdir_r() needs this - -#if !(defined(__HP_aCC) && defined(_ILP32) && \ - !defined(_STATVFS_ACPP_PROBLEMS_FIXED)) -#define _FILE_OFFSET_BITS 64 // at worst, these defines may have no effect, -#endif -#define __USE_FILE_OFFSET64 // but that is harmless on Windows and on POSIX - // 64-bit systems or on 32-bit systems which don't have files larger - // than can be represented by a traditional POSIX/UNIX off_t type. - // OTOH, defining them should kick in 64-bit off_t's (and thus - // st_size) on 32-bit systems that provide the Large File - // Support (LFS) interface, such as Linux, Solaris, and IRIX. - // The defines are given before any headers are included to - // ensure that they are available to all included headers. - // That is required at least on Solaris, and possibly on other - // systems as well. - -// for some compilers (CodeWarrior, for example), windows.h -// is getting included by some other boost header, so do this early: -#if !defined(_WIN32_WINNT) -#define _WIN32_WINNT 0x0500 // Default to Windows 2K or later -#endif - - -#include <boost/filesystem/v2/operations.hpp> -#include <boost/scoped_array.hpp> -#include <boost/assert.hpp> -#include <boost/detail/workaround.hpp> -#include <cstdlib> // for malloc, free - -namespace fs = boost::filesystem2; -using boost::system::error_code; -using boost::system::system_category; - -# if defined(BOOST_WINDOWS_API) -# include <windows.h> -# include <ctime> // for time_t - -# else // BOOST_POSIX_API -# include <sys/types.h> -# if !defined(__APPLE__) && !defined(__OpenBSD__) -# include <sys/statvfs.h> -# define BOOST_STATVFS statvfs -# define BOOST_STATVFS_F_FRSIZE vfs.f_frsize -# else -#ifdef __OpenBSD__ -# include <sys/param.h> -#endif -# include <sys/mount.h> -# define BOOST_STATVFS statfs -# define BOOST_STATVFS_F_FRSIZE static_cast<boost::uintmax_t>( vfs.f_bsize ) -# endif -# include <dirent.h> -# include <unistd.h> -# include <fcntl.h> -# include <utime.h> -# include "limits.h" -# endif - -// BOOST_FILESYSTEM_STATUS_CACHE enables file_status cache in -// dir_itr_increment. The config tests are placed here because some of the -// macros being tested come from dirent.h. -// -// TODO: find out what macros indicate dirent::d_type present in more libraries -# if defined(BOOST_WINDOWS_API) \ - || (defined(_DIRENT_HAVE_D_TYPE) /* defined by GNU C library if d_type present */ \ - && !(defined(__SUNPRO_CC) && !defined(__sun))) // _DIRENT_HAVE_D_TYPE wrong for Sun compiler on Linux -# define BOOST_FILESYSTEM_STATUS_CACHE -# endif - -#include <sys/stat.h> // even on Windows some functions use stat() -#include <string> -#include <cstring> -#include <cstdio> // for remove, rename -#include <cerrno> -// #include <iostream> // for debugging only; comment out when not in use - -#ifdef BOOST_NO_STDC_NAMESPACE -namespace std { using ::strcmp; using ::remove; using ::rename; } -#endif - -// helpers -----------------------------------------------------------------// - -namespace -{ - const error_code ok; - - bool is_empty_directory( const std::string & dir_path ) - { - static const fs::directory_iterator end_itr; - return fs::directory_iterator(fs::path(dir_path)) == end_itr; - } - -#ifdef BOOST_WINDOWS_API - -// For Windows, the xxxA form of various function names is used to avoid -// inadvertently getting wide forms of the functions. (The undecorated -// forms are actually macros, so can misfire if the user has various -// other macros defined. There was a bug report of this happening.) - - inline DWORD get_file_attributes( const char * ph ) - { return ::GetFileAttributesA( ph ); } - -# ifndef BOOST_FILESYSTEM2_NARROW_ONLY - - inline DWORD get_file_attributes( const wchar_t * ph ) - { return ::GetFileAttributesW( ph ); } - - bool is_empty_directory( const std::wstring & dir_path ) - { - static const fs::wdirectory_iterator wend_itr; - return fs::wdirectory_iterator(fs::wpath(dir_path)) == wend_itr; - } - - inline BOOL get_file_attributes_ex( const wchar_t * ph, - WIN32_FILE_ATTRIBUTE_DATA & fad ) - { return ::GetFileAttributesExW( ph, ::GetFileExInfoStandard, &fad ); } - - HANDLE create_file( const wchar_t * ph, DWORD dwDesiredAccess, - DWORD dwShareMode, LPSECURITY_ATTRIBUTES lpSecurityAttributes, - DWORD dwCreationDisposition, DWORD dwFlagsAndAttributes, - HANDLE hTemplateFile ) - { - return ::CreateFileW( ph, dwDesiredAccess, dwShareMode, - lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, - hTemplateFile ); - } - - inline DWORD get_current_directory( DWORD sz, wchar_t * buf ) - { return ::GetCurrentDirectoryW( sz, buf ); } - - inline bool set_current_directory( const wchar_t * buf ) - { return ::SetCurrentDirectoryW( buf ) != 0 ; } - - inline bool get_free_disk_space( const std::wstring & ph, - PULARGE_INTEGER avail, PULARGE_INTEGER total, PULARGE_INTEGER free ) - { return ::GetDiskFreeSpaceExW( ph.c_str(), avail, total, free ) != 0; } - - inline std::size_t get_full_path_name( - const std::wstring & ph, std::size_t len, wchar_t * buf, wchar_t ** p ) - { - return static_cast<std::size_t>( - ::GetFullPathNameW( ph.c_str(), - static_cast<DWORD>(len), buf, p )); - } - - inline bool remove_directory( const std::wstring & ph ) - { return ::RemoveDirectoryW( ph.c_str() ) != 0; } - - inline bool delete_file( const std::wstring & ph ) - { return ::DeleteFileW( ph.c_str() ) != 0; } - - inline bool create_directory( const std::wstring & dir ) - { return ::CreateDirectoryW( dir.c_str(), 0 ) != 0; } - -#if _WIN32_WINNT >= 0x500 - inline bool create_hard_link( const std::wstring & to_ph, - const std::wstring & from_ph ) - { return ::CreateHardLinkW( from_ph.c_str(), to_ph.c_str(), 0 ) != 0; } -#endif - -# endif // ifndef BOOST_FILESYSTEM2_NARROW_ONLY - - template< class String > - fs::file_status status_template( const String & ph, error_code & ec ) - { - DWORD attr( get_file_attributes( ph.c_str() ) ); - if ( attr == 0xFFFFFFFF ) - { - ec = error_code( ::GetLastError(), system_category() ); - if ((ec.value() == ERROR_FILE_NOT_FOUND) - || (ec.value() == ERROR_PATH_NOT_FOUND) - || (ec.value() == ERROR_INVALID_NAME) // "tools/jam/src/:sys:stat.h", "//foo" - || (ec.value() == ERROR_INVALID_DRIVE) // USB card reader with no card inserted - || (ec.value() == ERROR_NOT_READY) // CD/DVD drive with no disc inserted - || (ec.value() == ERROR_INVALID_PARAMETER) // ":sys:stat.h" - || (ec.value() == ERROR_BAD_PATHNAME) // "//nosuch" on Win64 - || (ec.value() == ERROR_BAD_NETPATH)) // "//nosuch" on Win32 - { - ec = ok; // these are not considered errors; - // the status is considered not found - return fs::file_status( fs::file_not_found ); - } - else if ((ec.value() == ERROR_SHARING_VIOLATION)) - { - ec = ok; // these are not considered errors; - // the file exists but the type is not known - return fs::file_status( fs::type_unknown ); - } - return fs::file_status( fs::status_unknown ); - } - ec = ok;; - return (attr & FILE_ATTRIBUTE_DIRECTORY) - ? fs::file_status( fs::directory_file ) - : fs::file_status( fs::regular_file ); - } - - BOOL get_file_attributes_ex( const char * ph, - WIN32_FILE_ATTRIBUTE_DATA & fad ) - { return ::GetFileAttributesExA( ph, ::GetFileExInfoStandard, &fad ); } - - template< class String > - boost::filesystem2::detail::query_pair - is_empty_template( const String & ph ) - { - WIN32_FILE_ATTRIBUTE_DATA fad; - if ( get_file_attributes_ex( ph.c_str(), fad ) == 0 ) - return std::make_pair( error_code( ::GetLastError(), system_category() ), false ); - return std::make_pair( ok, - ( fad.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ) - ? is_empty_directory( ph ) - :( !fad.nFileSizeHigh && !fad.nFileSizeLow ) ); - } - - HANDLE create_file( const char * ph, DWORD dwDesiredAccess, - DWORD dwShareMode, LPSECURITY_ATTRIBUTES lpSecurityAttributes, - DWORD dwCreationDisposition, DWORD dwFlagsAndAttributes, - HANDLE hTemplateFile ) - { - return ::CreateFileA( ph, dwDesiredAccess, dwShareMode, - lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, - hTemplateFile ); - } - - // Thanks to Jeremy Maitin-Shepard for much help and for permission to - // base the equivalent() implementation on portions of his - // file-equivalence-win32.cpp experimental code. - struct handle_wrapper - { - HANDLE handle; - handle_wrapper( HANDLE h ) - : handle(h) {} - ~handle_wrapper() - { - if ( handle != INVALID_HANDLE_VALUE ) - ::CloseHandle(handle); - } - }; - - template< class String > - boost::filesystem2::detail::query_pair - equivalent_template( const String & ph1, const String & ph2 ) - { - // Note well: Physical location on external media is part of the - // equivalence criteria. If there are no open handles, physical location - // can change due to defragmentation or other relocations. Thus handles - // must be held open until location information for both paths has - // been retrieved. - handle_wrapper p1( - create_file( - ph1.c_str(), - 0, - FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE, - 0, - OPEN_EXISTING, - FILE_FLAG_BACKUP_SEMANTICS, - 0 ) ); - int error1(0); // save error code in case we have to throw - if ( p1.handle == INVALID_HANDLE_VALUE ) - error1 = ::GetLastError(); - handle_wrapper p2( - create_file( - ph2.c_str(), - 0, - FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE, - 0, - OPEN_EXISTING, - FILE_FLAG_BACKUP_SEMANTICS, - 0 ) ); - if ( p1.handle == INVALID_HANDLE_VALUE - || p2.handle == INVALID_HANDLE_VALUE ) - { - if ( p1.handle != INVALID_HANDLE_VALUE - || p2.handle != INVALID_HANDLE_VALUE ) - { return std::make_pair( ok, false ); } - BOOST_ASSERT( p1.handle == INVALID_HANDLE_VALUE - && p2.handle == INVALID_HANDLE_VALUE ); - { return std::make_pair( error_code( error1, system_category()), false ); } - } - // at this point, both handles are known to be valid - BY_HANDLE_FILE_INFORMATION info1, info2; - if ( !::GetFileInformationByHandle( p1.handle, &info1 ) ) - { return std::make_pair( error_code( ::GetLastError(), system_category() ), false ); } - if ( !::GetFileInformationByHandle( p2.handle, &info2 ) ) - { return std::make_pair( error_code( ::GetLastError(), system_category() ), false ); } - // In theory, volume serial numbers are sufficient to distinguish between - // devices, but in practice VSN's are sometimes duplicated, so last write - // time and file size are also checked. - return std::make_pair( ok, - info1.dwVolumeSerialNumber == info2.dwVolumeSerialNumber - && info1.nFileIndexHigh == info2.nFileIndexHigh - && info1.nFileIndexLow == info2.nFileIndexLow - && info1.nFileSizeHigh == info2.nFileSizeHigh - && info1.nFileSizeLow == info2.nFileSizeLow - && info1.ftLastWriteTime.dwLowDateTime - == info2.ftLastWriteTime.dwLowDateTime - && info1.ftLastWriteTime.dwHighDateTime - == info2.ftLastWriteTime.dwHighDateTime ); - } - - template< class String > - boost::filesystem2::detail::uintmax_pair - file_size_template( const String & ph ) - { - WIN32_FILE_ATTRIBUTE_DATA fad; - // by now, intmax_t is 64-bits on all Windows compilers - if ( get_file_attributes_ex( ph.c_str(), fad ) == 0 ) - return std::make_pair( error_code( ::GetLastError(), system_category() ), 0 ); - if ( (fad.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) !=0 ) - return std::make_pair( error_code( ERROR_FILE_NOT_FOUND, system_category()), 0 ); - return std::make_pair( ok, - (static_cast<boost::uintmax_t>(fad.nFileSizeHigh) - << (sizeof(fad.nFileSizeLow)*8)) - + fad.nFileSizeLow ); - } - - inline bool get_free_disk_space( const std::string & ph, - PULARGE_INTEGER avail, PULARGE_INTEGER total, PULARGE_INTEGER free ) - { return ::GetDiskFreeSpaceExA( ph.c_str(), avail, total, free ) != 0; } - - template< class String > - boost::filesystem2::detail::space_pair - space_template( String & ph ) - { - ULARGE_INTEGER avail, total, free; - boost::filesystem2::detail::space_pair result; - if ( get_free_disk_space( ph, &avail, &total, &free ) ) - { - result.first = ok; - result.second.capacity - = (static_cast<boost::uintmax_t>(total.HighPart) << 32) - + total.LowPart; - result.second.free - = (static_cast<boost::uintmax_t>(free.HighPart) << 32) - + free.LowPart; - result.second.available - = (static_cast<boost::uintmax_t>(avail.HighPart) << 32) - + avail.LowPart; - } - else - { - result.first = error_code( ::GetLastError(), system_category() ); - result.second.capacity = result.second.free - = result.second.available = 0; - } - return result; - } - - inline DWORD get_current_directory( DWORD sz, char * buf ) - { return ::GetCurrentDirectoryA( sz, buf ); } - - template< class String > - error_code - get_current_path_template( String & ph ) - { - DWORD sz; - if ( (sz = get_current_directory( 0, - static_cast<typename String::value_type*>(0) )) == 0 ) - { sz = 1; } - typedef typename String::value_type value_type; - boost::scoped_array<value_type> buf( new value_type[sz] ); - if ( get_current_directory( sz, buf.get() ) == 0 ) - return error_code( ::GetLastError(), system_category() ); - ph = buf.get(); - return ok; - } - - inline bool set_current_directory( const char * buf ) - { return ::SetCurrentDirectoryA( buf ) != 0; } - - template< class String > - error_code - set_current_path_template( const String & ph ) - { - return error_code( set_current_directory( ph.c_str() ) - ? 0 : ::GetLastError(), system_category() ); - } - - inline std::size_t get_full_path_name( - const std::string & ph, std::size_t len, char * buf, char ** p ) - { - return static_cast<std::size_t>( - ::GetFullPathNameA( ph.c_str(), - static_cast<DWORD>(len), buf, p )); - } - - const std::size_t buf_size( 128 ); - - template<class String> - error_code - get_full_path_name_template( const String & ph, String & target ) - { - typename String::value_type buf[buf_size]; - typename String::value_type * pfn; - std::size_t len = get_full_path_name( ph, - buf_size , buf, &pfn ); - if ( len == 0 ) return error_code( ::GetLastError(), system_category() ); - if ( len > buf_size ) - { - typedef typename String::value_type value_type; - boost::scoped_array<value_type> big_buf( new value_type[len] ); - if ( (len=get_full_path_name( ph, len , big_buf.get(), &pfn )) - == 0 ) return error_code( ::GetLastError(), system_category() ); - big_buf[len] = '\0'; - target = big_buf.get(); - return ok; - } - buf[len] = '\0'; - target = buf; - return ok; - } - - template<class String> - error_code - get_file_write_time( const String & ph, FILETIME & last_write_time ) - { - handle_wrapper hw( - create_file( ph.c_str(), 0, - FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE, 0, - OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0 ) ); - if ( hw.handle == INVALID_HANDLE_VALUE ) - return error_code( ::GetLastError(), system_category() ); - return error_code( ::GetFileTime( hw.handle, 0, 0, &last_write_time ) != 0 - ? 0 : ::GetLastError(), system_category() ); - } - - template<class String> - error_code - set_file_write_time( const String & ph, const FILETIME & last_write_time ) - { - handle_wrapper hw( - create_file( ph.c_str(), FILE_WRITE_ATTRIBUTES, - FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE, 0, - OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, 0 ) ); - if ( hw.handle == INVALID_HANDLE_VALUE ) - return error_code( ::GetLastError(), system_category() ); - return error_code( ::SetFileTime( hw.handle, 0, 0, &last_write_time ) != 0 - ? 0 : ::GetLastError(), system_category() ); - } - - // these constants come from inspecting some Microsoft sample code - std::time_t to_time_t( const FILETIME & ft ) - { - __int64 t = (static_cast<__int64>( ft.dwHighDateTime ) << 32) - + ft.dwLowDateTime; -# if !defined( BOOST_MSVC ) || BOOST_MSVC > 1300 // > VC++ 7.0 - t -= 116444736000000000LL; -# else - t -= 116444736000000000; -# endif - t /= 10000000; - return static_cast<std::time_t>( t ); - } - - void to_FILETIME( std::time_t t, FILETIME & ft ) - { - __int64 temp = t; - temp *= 10000000; -# if !defined( BOOST_MSVC ) || BOOST_MSVC > 1300 // > VC++ 7.0 - temp += 116444736000000000LL; -# else - temp += 116444736000000000; -# endif - ft.dwLowDateTime = static_cast<DWORD>( temp ); - ft.dwHighDateTime = static_cast<DWORD>( temp >> 32 ); - } - - template<class String> - boost::filesystem2::detail::time_pair - last_write_time_template( const String & ph ) - { - FILETIME lwt; - error_code ec( - get_file_write_time( ph, lwt ) ); - return std::make_pair( ec, to_time_t( lwt ) ); - } - - template<class String> - error_code - last_write_time_template( const String & ph, const std::time_t new_time ) - { - FILETIME lwt; - to_FILETIME( new_time, lwt ); - return set_file_write_time( ph, lwt ); - } - - bool remove_directory( const std::string & ph ) - { return ::RemoveDirectoryA( ph.c_str() ) != 0; } - - bool delete_file( const std::string & ph ) - { return ::DeleteFileA( ph.c_str() ) != 0; } - - template<class String> - error_code - remove_template( const String & ph ) - { - // TODO: test this code in the presence of Vista symlinks, - // including dangling, self-referal, and cyclic symlinks - error_code ec; - fs::file_status sf( fs::detail::status_api( ph, ec ) ); - if ( ec ) - return ec; - if ( sf.type() == fs::file_not_found ) - return ok; - if ( fs::is_directory( sf ) ) - { - if ( !remove_directory( ph ) ) - return error_code(::GetLastError(), system_category()); - } - else - { - if ( !delete_file( ph ) ) return error_code(::GetLastError(), system_category()); - } - return ok; - } - - inline bool create_directory( const std::string & dir ) - { return ::CreateDirectoryA( dir.c_str(), 0 ) != 0; } - - template<class String> - boost::filesystem2::detail::query_pair - create_directory_template( const String & dir_ph ) - { - error_code error, dummy; - if ( create_directory( dir_ph ) ) return std::make_pair( error, true ); - error = error_code( ::GetLastError(), system_category() ); - // an error here may simply mean the postcondition is already met - if ( error.value() == ERROR_ALREADY_EXISTS - && fs::is_directory( fs::detail::status_api( dir_ph, dummy ) ) ) - return std::make_pair( ok, false ); - return std::make_pair( error, false ); - } - -#if _WIN32_WINNT >= 0x500 - inline bool create_hard_link( const std::string & to_ph, - const std::string & from_ph ) - { return ::CreateHardLinkA( from_ph.c_str(), to_ph.c_str(), 0 ) != 0; } -#endif - -#if _WIN32_WINNT >= 0x500 - template<class String> - error_code - create_hard_link_template( const String & to_ph, - const String & from_ph ) - { - return error_code( create_hard_link( to_ph.c_str(), from_ph.c_str() ) - ? 0 : ::GetLastError(), system_category() ); - } -#endif - -#else // BOOST_POSIX_API - - int posix_remove( const char * p ) - { -# if defined(__QNXNTO__) || (defined(__MSL__) && (defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__))) - // Some Metrowerks C library versions fail on directories because of a - // known Metrowerks coding error in ::remove. Workaround is to call - // rmdir() or unlink() as indicated. - // Same bug also reported for QNX, with the same fix. - int err = ::unlink( p ); - if ( err == 0 || errno != EPERM ) - return err; - return ::rmdir( p ); -# else - return std::remove( p ); -# endif - } - -#endif -} // unnamed namespace - -namespace boost -{ - namespace filesystem2 - { - namespace detail - { - BOOST_FILESYSTEM_DECL system::error_code throws; - -// free functions ----------------------------------------------------------// - - BOOST_FILESYSTEM_DECL error_code not_found_error() - { -# ifdef BOOST_WINDOWS_API - return error_code(ERROR_PATH_NOT_FOUND, system_category()); -# else - return error_code(ENOENT, system_category()); -# endif - } - - BOOST_FILESYSTEM_DECL bool possible_large_file_size_support() - { -# ifdef BOOST_POSIX_API - struct stat lcl_stat; - return sizeof( lcl_stat.st_size ) > 4; -# else - return true; -# endif - } - -# ifdef BOOST_WINDOWS_API - - BOOST_FILESYSTEM_DECL fs::file_status - status_api( const std::string & ph, error_code & ec ) - { return status_template( ph, ec ); } - -# ifndef BOOST_FILESYSTEM2_NARROW_ONLY - - BOOST_FILESYSTEM_DECL fs::file_status - status_api( const std::wstring & ph, error_code & ec ) - { return status_template( ph, ec ); } - - BOOST_FILESYSTEM_DECL bool symbolic_link_exists_api( const std::wstring & ) - { return false; } - - BOOST_FILESYSTEM_DECL - fs::detail::query_pair is_empty_api( const std::wstring & ph ) - { return is_empty_template( ph ); } - - BOOST_FILESYSTEM_DECL - fs::detail::query_pair - equivalent_api( const std::wstring & ph1, const std::wstring & ph2 ) - { return equivalent_template( ph1, ph2 ); } - - BOOST_FILESYSTEM_DECL - fs::detail::uintmax_pair file_size_api( const std::wstring & ph ) - { return file_size_template( ph ); } - - BOOST_FILESYSTEM_DECL - fs::detail::space_pair space_api( const std::wstring & ph ) - { return space_template( ph ); } - - BOOST_FILESYSTEM_DECL - error_code - get_current_path_api( std::wstring & ph ) - { return get_current_path_template( ph ); } - - BOOST_FILESYSTEM_DECL - error_code - set_current_path_api( const std::wstring & ph ) - { return set_current_path_template( ph ); } - - BOOST_FILESYSTEM_DECL error_code - get_full_path_name_api( const std::wstring & ph, std::wstring & target ) - { return get_full_path_name_template( ph, target ); } - - BOOST_FILESYSTEM_DECL time_pair - last_write_time_api( const std::wstring & ph ) - { return last_write_time_template( ph ); } - - BOOST_FILESYSTEM_DECL error_code - last_write_time_api( const std::wstring & ph, std::time_t new_value ) - { return last_write_time_template( ph, new_value ); } - - BOOST_FILESYSTEM_DECL fs::detail::query_pair - create_directory_api( const std::wstring & ph ) - { return create_directory_template( ph ); } - -#if _WIN32_WINNT >= 0x500 - BOOST_FILESYSTEM_DECL error_code - create_hard_link_api( const std::wstring & to_ph, - const std::wstring & from_ph ) - { return create_hard_link_template( to_ph, from_ph ); } -#endif - - BOOST_FILESYSTEM_DECL error_code - create_symlink_api( const std::wstring & /*to_ph*/, - const std::wstring & /*from_ph*/ ) - { return error_code( ERROR_NOT_SUPPORTED, system_category() ); } - - BOOST_FILESYSTEM_DECL error_code - remove_api( const std::wstring & ph ) { return remove_template( ph ); } - - BOOST_FILESYSTEM_DECL error_code - rename_api( const std::wstring & from, const std::wstring & to ) - { - return error_code( ::MoveFileW( from.c_str(), to.c_str() ) - ? 0 : ::GetLastError(), system_category() ); - } - - BOOST_FILESYSTEM_DECL error_code - copy_file_api( const std::wstring & from, const std::wstring & to, bool fail_if_exists ) - { - return error_code( ::CopyFileW( from.c_str(), to.c_str(), fail_if_exists ) - ? 0 : ::GetLastError(), system_category() ); - } - - BOOST_FILESYSTEM_DECL bool create_file_api( const std::wstring & ph, - std::ios_base::openmode mode ) // true if succeeds - { - DWORD access( - ((mode & std::ios_base::in) == 0 ? 0 : GENERIC_READ) - | ((mode & std::ios_base::out) == 0 ? 0 : GENERIC_WRITE) ); - - DWORD disposition(0); // see 27.8.1.3 Table 92 - if ( (mode&~std::ios_base::binary) - == (std::ios_base::out|std::ios_base::app) ) - disposition = OPEN_ALWAYS; - else if ( (mode&~(std::ios_base::binary|std::ios_base::out)) - == std::ios_base::in ) disposition = OPEN_EXISTING; - else if ( ((mode&~(std::ios_base::binary|std::ios_base::trunc)) - == std::ios_base::out ) - || ((mode&~std::ios_base::binary) - == (std::ios_base::in|std::ios_base::out|std::ios_base::trunc)) ) - disposition = CREATE_ALWAYS; - else BOOST_ASSERT( 0 && "invalid mode argument" ); - - HANDLE handle ( ::CreateFileW( ph.c_str(), access, - FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE, 0, - disposition, (mode &std::ios_base::out) != 0 - ? FILE_ATTRIBUTE_ARCHIVE : FILE_ATTRIBUTE_NORMAL, 0 ) ); - if ( handle == INVALID_HANDLE_VALUE ) return false; - ::CloseHandle( handle ); - return true; - } - - BOOST_FILESYSTEM_DECL std::string narrow_path_api( - const std::wstring & ph ) // return is empty if fails - { - std::string narrow_short_form; - std::wstring short_form; - for ( DWORD buf_sz( static_cast<DWORD>( ph.size()+1 ));; ) - { - boost::scoped_array<wchar_t> buf( new wchar_t[buf_sz] ); - DWORD sz( ::GetShortPathNameW( ph.c_str(), buf.get(), buf_sz ) ); - if ( sz == 0 ) return narrow_short_form; - if ( sz <= buf_sz ) - { - short_form += buf.get(); - break; - } - buf_sz = sz + 1; - } - // contributed by Takeshi Mouri: - int narrow_sz( ::WideCharToMultiByte( CP_ACP, 0, - short_form.c_str(), static_cast<int>(short_form.size()), 0, 0, 0, 0 ) ); - boost::scoped_array<char> narrow_buf( new char[narrow_sz] ); - ::WideCharToMultiByte( CP_ACP, 0, - short_form.c_str(), static_cast<int>(short_form.size()), - narrow_buf.get(), narrow_sz, 0, 0 ); - narrow_short_form.assign(narrow_buf.get(), narrow_sz); - - return narrow_short_form; - } - - BOOST_FILESYSTEM_DECL error_code - dir_itr_first( void *& handle, const std::wstring & dir, - std::wstring & target, file_status & sf, file_status & symlink_sf ) - { - // use a form of search Sebastian Martel reports will work with Win98 - std::wstring dirpath( dir ); - dirpath += (dirpath.empty() - || dirpath[dirpath.size()-1] != L'\\') ? L"\\*" : L"*"; - - WIN32_FIND_DATAW data; - if ( (handle = ::FindFirstFileW( dirpath.c_str(), &data )) - == INVALID_HANDLE_VALUE ) - { - handle = 0; - return error_code( ::GetLastError() == ERROR_FILE_NOT_FOUND - ? 0 : ::GetLastError(), system_category() ); - } - target = data.cFileName; - if ( data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ) - { sf.type( directory_file ); symlink_sf.type( directory_file ); } - else { sf.type( regular_file ); symlink_sf.type( regular_file ); } - return ok; - } - - BOOST_FILESYSTEM_DECL error_code - dir_itr_increment( void *& handle, std::wstring & target, - file_status & sf, file_status & symlink_sf ) - { - WIN32_FIND_DATAW data; - if ( ::FindNextFileW( handle, &data ) == 0 ) // fails - { - int error = ::GetLastError(); - dir_itr_close( handle ); - return error_code( error == ERROR_NO_MORE_FILES ? 0 : error, system_category() ); - } - target = data.cFileName; - if ( data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ) - { sf.type( directory_file ); symlink_sf.type( directory_file ); } - else { sf.type( regular_file ); symlink_sf.type( regular_file ); } - return ok; - } - -# endif // ifndef BOOST_FILESYSTEM2_NARROW_ONLY - - // suggested by Walter Landry - BOOST_FILESYSTEM_DECL bool symbolic_link_exists_api( const std::string & ) - { return false; } - - BOOST_FILESYSTEM_DECL - fs::detail::query_pair is_empty_api( const std::string & ph ) - { return is_empty_template( ph ); } - - BOOST_FILESYSTEM_DECL - fs::detail::query_pair - equivalent_api( const std::string & ph1, const std::string & ph2 ) - { return equivalent_template( ph1, ph2 ); } - - BOOST_FILESYSTEM_DECL - fs::detail::uintmax_pair file_size_api( const std::string & ph ) - { return file_size_template( ph ); } - - BOOST_FILESYSTEM_DECL - fs::detail::space_pair space_api( const std::string & ph ) - { return space_template( ph ); } - - BOOST_FILESYSTEM_DECL - error_code - get_current_path_api( std::string & ph ) - { return get_current_path_template( ph ); } - - BOOST_FILESYSTEM_DECL - error_code - set_current_path_api( const std::string & ph ) - { return set_current_path_template( ph ); } - - BOOST_FILESYSTEM_DECL error_code - get_full_path_name_api( const std::string & ph, std::string & target ) - { return get_full_path_name_template( ph, target ); } - - BOOST_FILESYSTEM_DECL time_pair - last_write_time_api( const std::string & ph ) - { return last_write_time_template( ph ); } - - BOOST_FILESYSTEM_DECL error_code - last_write_time_api( const std::string & ph, std::time_t new_value ) - { return last_write_time_template( ph, new_value ); } - - BOOST_FILESYSTEM_DECL fs::detail::query_pair - create_directory_api( const std::string & ph ) - { return create_directory_template( ph ); } - -#if _WIN32_WINNT >= 0x500 - BOOST_FILESYSTEM_DECL error_code - create_hard_link_api( const std::string & to_ph, - const std::string & from_ph ) - { - return create_hard_link_template( to_ph, from_ph ); - } -#endif - - BOOST_FILESYSTEM_DECL error_code - create_symlink_api( const std::string & /*to_ph*/, - const std::string & /*from_ph*/ ) - { return error_code( ERROR_NOT_SUPPORTED, system_category() ); } - - BOOST_FILESYSTEM_DECL error_code - remove_api( const std::string & ph ) { return remove_template( ph ); } - - BOOST_FILESYSTEM_DECL error_code - rename_api( const std::string & from, const std::string & to ) - { - return error_code( ::MoveFileA( from.c_str(), to.c_str() ) - ? 0 : ::GetLastError(), system_category() ); - } - - BOOST_FILESYSTEM_DECL error_code - copy_file_api( const std::string & from, const std::string & to, bool fail_if_exists ) - { - return error_code( ::CopyFileA( from.c_str(), to.c_str(), fail_if_exists ) - ? 0 : ::GetLastError(), system_category() ); - } - - BOOST_FILESYSTEM_DECL error_code - dir_itr_first( void *& handle, const std::string & dir, - std::string & target, file_status & sf, file_status & symlink_sf ) - // Note: an empty root directory has no "." or ".." entries, so this - // causes a ERROR_FILE_NOT_FOUND error which we do not considered an - // error. It is treated as eof instead. - { - // use a form of search Sebastian Martel reports will work with Win98 - std::string dirpath( dir ); - dirpath += (dirpath.empty() - || (dirpath[dirpath.size()-1] != '\\' - && dirpath[dirpath.size()-1] != ':')) ? "\\*" : "*"; - - WIN32_FIND_DATAA data; - if ( (handle = ::FindFirstFileA( dirpath.c_str(), &data )) - == INVALID_HANDLE_VALUE ) - { - handle = 0; - return error_code( (::GetLastError() == ERROR_FILE_NOT_FOUND - // Windows Mobile returns ERROR_NO_MORE_FILES; see ticket #3551 - || ::GetLastError() == ERROR_NO_MORE_FILES) - ? 0 : ::GetLastError(), system_category() ); - } - target = data.cFileName; - if ( data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ) - { sf.type( directory_file ); symlink_sf.type( directory_file ); } - else { sf.type( regular_file ); symlink_sf.type( regular_file ); } - return ok; - } - - BOOST_FILESYSTEM_DECL error_code - dir_itr_close( void *& handle ) - { - if ( handle != 0 ) - { - bool ok = ::FindClose( handle ) != 0; - handle = 0; - return error_code( ok ? 0 : ::GetLastError(), system_category() ); - } - return ok; - } - - BOOST_FILESYSTEM_DECL error_code - dir_itr_increment( void *& handle, std::string & target, - file_status & sf, file_status & symlink_sf ) - { - WIN32_FIND_DATAA data; - if ( ::FindNextFileA( handle, &data ) == 0 ) // fails - { - int error = ::GetLastError(); - dir_itr_close( handle ); - return error_code( error == ERROR_NO_MORE_FILES ? 0 : error, system_category() ); - } - target = data.cFileName; - if ( data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ) - { sf.type( directory_file ); symlink_sf.type( directory_file ); } - else { sf.type( regular_file ); symlink_sf.type( regular_file ); } - return ok; - } - -# else // BOOST_POSIX_API - - BOOST_FILESYSTEM_DECL fs::file_status - status_api( const std::string & ph, error_code & ec ) - { - struct stat path_stat; - if ( ::stat( ph.c_str(), &path_stat ) != 0 ) - { - if ( errno == ENOENT || errno == ENOTDIR ) - { - ec = ok; - return fs::file_status( fs::file_not_found ); - } - ec = error_code( errno, system_category() ); - return fs::file_status( fs::status_unknown ); - } - ec = ok; - if ( S_ISDIR( path_stat.st_mode ) ) - return fs::file_status( fs::directory_file ); - if ( S_ISREG( path_stat.st_mode ) ) - return fs::file_status( fs::regular_file ); - if ( S_ISBLK( path_stat.st_mode ) ) - return fs::file_status( fs::block_file ); - if ( S_ISCHR( path_stat.st_mode ) ) - return fs::file_status( fs::character_file ); - if ( S_ISFIFO( path_stat.st_mode ) ) - return fs::file_status( fs::fifo_file ); - if ( S_ISSOCK( path_stat.st_mode ) ) - return fs::file_status( fs::socket_file ); - return fs::file_status( fs::type_unknown ); - } - - BOOST_FILESYSTEM_DECL fs::file_status - symlink_status_api( const std::string & ph, error_code & ec ) - { - struct stat path_stat; - if ( ::lstat( ph.c_str(), &path_stat ) != 0 ) - { - if ( errno == ENOENT || errno == ENOTDIR ) - { - ec = ok; - return fs::file_status( fs::file_not_found ); - } - ec = error_code( errno, system_category() ); - return fs::file_status( fs::status_unknown ); - } - ec = ok; - if ( S_ISREG( path_stat.st_mode ) ) - return fs::file_status( fs::regular_file ); - if ( S_ISDIR( path_stat.st_mode ) ) - return fs::file_status( fs::directory_file ); - if ( S_ISLNK( path_stat.st_mode ) ) - return fs::file_status( fs::symlink_file ); - if ( S_ISBLK( path_stat.st_mode ) ) - return fs::file_status( fs::block_file ); - if ( S_ISCHR( path_stat.st_mode ) ) - return fs::file_status( fs::character_file ); - if ( S_ISFIFO( path_stat.st_mode ) ) - return fs::file_status( fs::fifo_file ); - if ( S_ISSOCK( path_stat.st_mode ) ) - return fs::file_status( fs::socket_file ); - return fs::file_status( fs::type_unknown ); - } - - // suggested by Walter Landry - BOOST_FILESYSTEM_DECL bool - symbolic_link_exists_api( const std::string & ph ) - { - struct stat path_stat; - return ::lstat( ph.c_str(), &path_stat ) == 0 - && S_ISLNK( path_stat.st_mode ); - } - - BOOST_FILESYSTEM_DECL query_pair - is_empty_api( const std::string & ph ) - { - struct stat path_stat; - if ( (::stat( ph.c_str(), &path_stat )) != 0 ) - return std::make_pair( error_code( errno, system_category() ), false ); - return std::make_pair( ok, S_ISDIR( path_stat.st_mode ) - ? is_empty_directory( ph ) - : path_stat.st_size == 0 ); - } - - BOOST_FILESYSTEM_DECL query_pair - equivalent_api( const std::string & ph1, const std::string & ph2 ) - { - struct stat s2; - int e2( ::stat( ph2.c_str(), &s2 ) ); - struct stat s1; - int e1( ::stat( ph1.c_str(), &s1 ) ); - if ( e1 != 0 || e2 != 0 ) - return std::make_pair( error_code( e1 != 0 && e2 != 0 ? errno : 0, system_category() ), false ); - // at this point, both stats are known to be valid - return std::make_pair( ok, - s1.st_dev == s2.st_dev - && s1.st_ino == s2.st_ino - // According to the POSIX stat specs, "The st_ino and st_dev fields - // taken together uniquely identify the file within the system." - // Just to be sure, size and mod time are also checked. - && s1.st_size == s2.st_size - && s1.st_mtime == s2.st_mtime ); - } - - BOOST_FILESYSTEM_DECL uintmax_pair - file_size_api( const std::string & ph ) - { - struct stat path_stat; - if ( ::stat( ph.c_str(), &path_stat ) != 0 ) - return std::make_pair( error_code( errno, system_category() ), 0 ); - if ( !S_ISREG( path_stat.st_mode ) ) - return std::make_pair( error_code( EPERM, system_category() ), 0 ); - return std::make_pair( ok, - static_cast<boost::uintmax_t>(path_stat.st_size) ); - } - - BOOST_FILESYSTEM_DECL space_pair - space_api( const std::string & ph ) - { - struct BOOST_STATVFS vfs; - space_pair result; - if ( ::BOOST_STATVFS( ph.c_str(), &vfs ) != 0 ) - { - result.first = error_code( errno, system_category() ); - result.second.capacity = result.second.free - = result.second.available = 0; - } - else - { - result.first = ok; - result.second.capacity - = static_cast<boost::uintmax_t>(vfs.f_blocks) * BOOST_STATVFS_F_FRSIZE; - result.second.free - = static_cast<boost::uintmax_t>(vfs.f_bfree) * BOOST_STATVFS_F_FRSIZE; - result.second.available - = static_cast<boost::uintmax_t>(vfs.f_bavail) * BOOST_STATVFS_F_FRSIZE; - } - return result; - } - - BOOST_FILESYSTEM_DECL time_pair - last_write_time_api( const std::string & ph ) - { - struct stat path_stat; - if ( ::stat( ph.c_str(), &path_stat ) != 0 ) - return std::make_pair( error_code( errno, system_category() ), 0 ); - return std::make_pair( ok, path_stat.st_mtime ); - } - - BOOST_FILESYSTEM_DECL error_code - last_write_time_api( const std::string & ph, std::time_t new_value ) - { - struct stat path_stat; - if ( ::stat( ph.c_str(), &path_stat ) != 0 ) - return error_code( errno, system_category() ); - ::utimbuf buf; - buf.actime = path_stat.st_atime; // utime() updates access time too:-( - buf.modtime = new_value; - return error_code( ::utime( ph.c_str(), &buf ) != 0 ? errno : 0, system_category() ); - } - - BOOST_FILESYSTEM_DECL error_code - get_current_path_api( std::string & ph ) - { - for ( long path_max = 32;; path_max *=2 ) // loop 'til buffer large enough - { - boost::scoped_array<char> - buf( new char[static_cast<std::size_t>(path_max)] ); - if ( ::getcwd( buf.get(), static_cast<std::size_t>(path_max) ) == 0 ) - { - if ( errno != ERANGE - // bug in some versions of the Metrowerks C lib on the Mac: wrong errno set -# if defined(__MSL__) && (defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)) - && errno != 0 -# endif - ) return error_code( errno, system_category() ); - } - else - { - ph = buf.get(); - break; - } - } - return ok; - } - - BOOST_FILESYSTEM_DECL error_code - set_current_path_api( const std::string & ph ) - { - return error_code( ::chdir( ph.c_str() ) - ? errno : 0, system_category() ); - } - - BOOST_FILESYSTEM_DECL fs::detail::query_pair - create_directory_api( const std::string & ph ) - { - if ( ::mkdir( ph.c_str(), S_IRWXU|S_IRWXG|S_IRWXO ) == 0 ) - { return std::make_pair( ok, true ); } - int ec=errno; - error_code dummy; - if ( ec != EEXIST - || !fs::is_directory( status_api( ph, dummy ) ) ) - { return std::make_pair( error_code( ec, system_category() ), false ); } - return std::make_pair( ok, false ); - } - - BOOST_FILESYSTEM_DECL error_code - create_hard_link_api( const std::string & to_ph, - const std::string & from_ph ) - { - return error_code( ::link( to_ph.c_str(), from_ph.c_str() ) == 0 - ? 0 : errno, system_category() ); - } - - BOOST_FILESYSTEM_DECL error_code - create_symlink_api( const std::string & to_ph, - const std::string & from_ph ) - { - return error_code( ::symlink( to_ph.c_str(), from_ph.c_str() ) == 0 - ? 0 : errno, system_category() ); - } - - BOOST_FILESYSTEM_DECL error_code - remove_api( const std::string & ph ) - { - if ( posix_remove( ph.c_str() ) == 0 ) - return ok; - int error = errno; - // POSIX says "If the directory is not an empty directory, rmdir() - // shall fail and set errno to EEXIST or ENOTEMPTY." - // Linux uses ENOTEMPTY, Solaris uses EEXIST. - if ( error == EEXIST ) error = ENOTEMPTY; - - error_code ec; - - // ignore errors if post-condition satisfied - return status_api(ph, ec).type() == file_not_found - ? ok : error_code( error, system_category() ) ; - } - - BOOST_FILESYSTEM_DECL error_code - rename_api( const std::string & from, const std::string & to ) - { - // POSIX is too permissive so must check - error_code dummy; - if ( fs::exists( status_api( to, dummy ) ) ) - return error_code( EEXIST, system_category() ); - return error_code( std::rename( from.c_str(), to.c_str() ) != 0 - ? errno : 0, system_category() ); - } - - BOOST_FILESYSTEM_DECL error_code - copy_file_api( const std::string & from_file_ph, - const std::string & to_file_ph, bool fail_if_exists ) - { - const std::size_t buf_sz = 32768; - boost::scoped_array<char> buf( new char [buf_sz] ); - int infile=-1, outfile=-1; // -1 means not open - - // bug fixed: code previously did a stat() on the from_file first, but that - // introduced a gratuitous race condition; the stat() is now done after the open() - - if ( (infile = ::open( from_file_ph.c_str(), O_RDONLY )) < 0 ) - { return error_code( errno, system_category() ); } - - struct stat from_stat; - if ( ::stat( from_file_ph.c_str(), &from_stat ) != 0 ) - { return error_code( errno, system_category() ); } - - int oflag = O_CREAT | O_WRONLY | O_TRUNC; - if ( fail_if_exists ) - oflag |= O_EXCL; - if ( (outfile = ::open( to_file_ph.c_str(), oflag, from_stat.st_mode )) < 0 ) - { - int open_errno = errno; - BOOST_ASSERT( infile >= 0 ); - ::close( infile ); - return error_code( open_errno, system_category() ); - } - - ssize_t sz, sz_read=1, sz_write; - while ( sz_read > 0 - && (sz_read = ::read( infile, buf.get(), buf_sz )) > 0 ) - { - // Allow for partial writes - see Advanced Unix Programming (2nd Ed.), - // Marc Rochkind, Addison-Wesley, 2004, page 94 - sz_write = 0; - do - { - if ( (sz = ::write( outfile, buf.get() + sz_write, - sz_read - sz_write )) < 0 ) - { - sz_read = sz; // cause read loop termination - break; // and error to be thrown after closes - } - sz_write += sz; - } while ( sz_write < sz_read ); - } - - if ( ::close( infile) < 0 ) sz_read = -1; - if ( ::close( outfile) < 0 ) sz_read = -1; - - return error_code( sz_read < 0 ? errno : 0, system_category() ); - } - - // this code is based on Stevens and Rago, Advanced Programming in the - // UNIX envirnment, 2nd Ed., ISBN 0-201-43307-9, page 49 - error_code path_max( std::size_t & result ) - { -# ifdef PATH_MAX - static std::size_t max = PATH_MAX; -# else - static std::size_t max = 0; -# endif - if ( max == 0 ) - { - errno = 0; - long tmp = ::pathconf( "/", _PC_NAME_MAX ); - if ( tmp < 0 ) - { - if ( errno == 0 ) // indeterminate - max = 4096; // guess - else return error_code( errno, system_category() ); - } - else max = static_cast<std::size_t>( tmp + 1 ); // relative root - } - result = max; - return ok; - } - - BOOST_FILESYSTEM_DECL error_code - dir_itr_first( void *& handle, void *& buffer, - const std::string & dir, std::string & target, - file_status &, file_status & ) - { - if ( (handle = ::opendir( dir.c_str() )) == 0 ) - return error_code( errno, system_category() ); - target = std::string( "." ); // string was static but caused trouble - // when iteration called from dtor, after - // static had already been destroyed - std::size_t path_size (0); // initialization quiets gcc warning - error_code ec = path_max( path_size ); - if ( ec ) return ec; - dirent de; - buffer = std::malloc( (sizeof(dirent) - sizeof(de.d_name)) - + path_size + 1 ); // + 1 for "/0" - return ok; - } - - BOOST_FILESYSTEM_DECL error_code - dir_itr_close( void *& handle, void*& buffer ) - { - std::free( buffer ); - buffer = 0; - if ( handle == 0 ) return ok; - DIR * h( static_cast<DIR*>(handle) ); - handle = 0; - return error_code( ::closedir( h ) == 0 ? 0 : errno, system_category() ); - } - - // warning: the only dirent member updated is d_name - inline int readdir_r_simulator( DIR * dirp, struct dirent * entry, - struct dirent ** result ) // *result set to 0 on end of directory - { - errno = 0; - - # if !defined(__CYGWIN__) \ - && defined(_POSIX_THREAD_SAFE_FUNCTIONS) \ - && defined(_SC_THREAD_SAFE_FUNCTIONS) \ - && (_POSIX_THREAD_SAFE_FUNCTIONS+0 >= 0) \ - && (!defined(__hpux) || defined(_REENTRANT)) \ - && (!defined(_AIX) || defined(__THREAD_SAFE)) - if ( ::sysconf( _SC_THREAD_SAFE_FUNCTIONS ) >= 0 ) - { return ::readdir_r( dirp, entry, result ); } - # endif - - struct dirent * p; - *result = 0; - if ( (p = ::readdir( dirp )) == 0 ) - return errno; - std::strcpy( entry->d_name, p->d_name ); - *result = entry; - return 0; - } - - BOOST_FILESYSTEM_DECL error_code - dir_itr_increment( void *& handle, void *& buffer, - std::string & target, file_status & sf, file_status & symlink_sf ) - { - BOOST_ASSERT( buffer != 0 ); - dirent * entry( static_cast<dirent *>(buffer) ); - dirent * result; - int return_code; - if ( (return_code = readdir_r_simulator( static_cast<DIR*>(handle), - entry, &result )) != 0 ) return error_code( errno, system_category() ); - if ( result == 0 ) return dir_itr_close( handle, buffer ); - target = entry->d_name; -# ifdef BOOST_FILESYSTEM_STATUS_CACHE - if ( entry->d_type == DT_UNKNOWN ) // filesystem does not supply d_type value - { - sf = symlink_sf = fs::file_status(fs::status_unknown); - } - else // filesystem supplies d_type value - { - if ( entry->d_type == DT_DIR ) - sf = symlink_sf = fs::file_status( fs::directory_file ); - else if ( entry->d_type == DT_REG ) - sf = symlink_sf = fs::file_status( fs::regular_file ); - else if ( entry->d_type == DT_LNK ) - { - sf = fs::file_status( fs::status_unknown ); - symlink_sf = fs::file_status( fs::symlink_file ); - } - else sf = symlink_sf = fs::file_status( fs::status_unknown ); - } -# else - sf = symlink_sf = fs::file_status( fs::status_unknown ); -# endif - return ok; - } - -# endif - } // namespace detail - } // namespace filesystem2 -} // namespace boost |