process one event at once in wxEvtHandler::ProcessPendingEvents() to prevent crashes...

[wxWidgets.git] / include / wx / filefn.h

diff --git a/include/wx/filefn.h b/include/wx/filefn.h
index 928f608573a9d8be9abb8867740ebc43af87d7c3..6ce76ebbc62014c7ccabbb301fa85838fbd84e6e 100644 (file)
--- a/include/wx/filefn.h
+++ b/include/wx/filefn.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        filefn.h
+// Name:        wx/filefn.h

 // Purpose:     File- and directory-related functions
 // Author:      Julian Smart
 // Modified by:
 // Purpose:     File- and directory-related functions
 // Author:      Julian Smart
 // Modified by:


@@ -12,50 +12,111 @@
 #ifndef   _FILEFN_H_
 #define   _FILEFN_H_
 
 #ifndef   _FILEFN_H_
 #define   _FILEFN_H_
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma interface "filefn.h"
-#endif
-

 #include "wx/list.h"
 #include "wx/arrstr.h"
 
 #include "wx/list.h"
 #include "wx/arrstr.h"
 

-#ifndef __WXWINCE__
-#include <time.h>
+#ifndef __WXPALMOS5__
+#ifdef __WXWINCE__
+    #include "wx/msw/wince/time.h"
+    #include "wx/msw/private.h"
+#else
+    #include <time.h>

 #endif
 
 #endif
 

+#ifdef __WXWINCE__
+// Nothing
+#elif !defined(__MWERKS__)
+    #include <sys/types.h>
+    #include <sys/stat.h>
+#else
+    #ifdef __MACH__
+        #include <sys/types.h>
+        #include <utime.h>
+        #include <sys/stat.h>
+        #include <unistd.h>
+    #else
+        #include <stat.h>
+        #include <unistd.h>
+        #include <unix.h>
+    #endif
+#endif
+#endif // !__WXPALMOS5__
+
+#ifdef __OS2__
+// need to check for __OS2__ first since currently both
+// __OS2__ and __UNIX__ are defined.
+    #include <process.h>
+    #include "wx/os2/private.h"
+    #ifdef __WATCOMC__
+        #include <direct.h>
+    #endif
+    #include <io.h>
+    #ifdef __EMX__
+        #include <unistd.h>
+    #endif
+#elif defined(__UNIX__)
+    #include <unistd.h>
+    #include <dirent.h>
+#endif
+
+#if defined(__WINDOWS__) && !defined(__WXMICROWIN__)
+#if !defined( __GNUWIN32__ ) && !defined( __MWERKS__ ) && !defined(__WXWINCE__) && !defined(__CYGWIN__)
+    #include <direct.h>
+    #include <dos.h>
+    #include <io.h>
+#endif // __WINDOWS__
+#endif // native Win compiler
+
+#if defined(__DOS__)
+    #ifdef __WATCOMC__
+        #include <direct.h>
+        #include <dos.h>
+        #include <io.h>
+    #endif
+    #ifdef __DJGPP__
+        #include <io.h>
+        #include <unistd.h>
+    #endif
+#endif
+
+#ifdef __BORLANDC__ // Please someone tell me which version of Borland needs
+                    // this (3.1 I believe) and how to test for it.
+                    // If this works for Borland 4.0 as well, then no worries.
+    #include <dir.h>
+#endif
+
+#ifndef __WXPALMOS5__
+#ifndef __WXWINCE__
+    #include  <fcntl.h>       // O_RDONLY &c
+#endif
+#endif // !__WXPALMOS5__

 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
 

+#if defined(__VISUALC__) || defined(__DIGITALMARS__)
+    typedef int mode_t;
+#endif
+

 #ifdef __WXWINCE__
     typedef long off_t;
 #else
 #ifdef __WXWINCE__
     typedef long off_t;
 #else

-
-// define off_t
-#if !defined(__WXMAC__) || defined(__UNIX__) || defined(__MACH__)
-    #include  <sys/types.h>
-#else
-    typedef long off_t;
+    // define off_t
+    #if !defined(__WXMAC__) || defined(__UNIX__) || defined(__MACH__)
+        #include  <sys/types.h>
+    #else
+        typedef long off_t;
+    #endif

 #endif
 
 #endif
 

-#if defined(__VISUALC__) || ( defined(__MWERKS__) && defined( __INTEL__) )
+#if (defined(__VISUALC__) && !defined(__WXWINCE__)) || ( defined(__MWERKS__) && defined( __INTEL__) )

     typedef _off_t off_t;
 #elif defined(__SYMANTEC__)
     typedef long off_t;
 #elif defined(__MWERKS__) && !defined(__INTEL__) && !defined(__MACH__)
     typedef long off_t;
     typedef _off_t off_t;
 #elif defined(__SYMANTEC__)
     typedef long off_t;
 #elif defined(__MWERKS__) && !defined(__INTEL__) && !defined(__MACH__)
     typedef long off_t;

-#endif
-
-#endif
-
-#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
-//
-// VisualAge C++ V4.0 cannot have any external linkage const decs
-// in headers included by more than one primary source
-//
-extern const off_t wxInvalidOffset;
-#else
-const off_t wxInvalidOffset = (off_t)-1;
+#elif defined(__WXPALMOS5__)
+    typedef long off_t;

 #endif
 
 enum wxSeekMode
 #endif
 
 enum wxSeekMode


@@ -65,117 +126,346 @@ enum wxSeekMode
   wxFromEnd
 };
 
   wxFromEnd
 };
 

+enum wxFileKind
+{
+  wxFILE_KIND_UNKNOWN,
+  wxFILE_KIND_DISK,     // a file supporting seeking to arbitrary offsets
+  wxFILE_KIND_TERMINAL, // a tty
+  wxFILE_KIND_PIPE      // a pipe
+};
+

 // ----------------------------------------------------------------------------
 // declare our versions of low level file functions: some compilers prepend
 // underscores to the usual names, some also have Unicode versions of them
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // declare our versions of low level file functions: some compilers prepend
 // underscores to the usual names, some also have Unicode versions of them
 // ----------------------------------------------------------------------------
 

-// Microsoft compiler loves underscores, feed them to it
-#if defined( __VISUALC__ ) \
-    || ( defined(__MINGW32__) && !defined(__WINE__) && wxCHECK_W32API_VERSION( 0, 5 ) ) \
-    || ( defined(__MWERKS__) && defined(__WXMSW__) ) \
-    || ( defined(__DMC__) && defined(__WXMSW__) ) \
-    || ( defined(__WATCOMC__) && defined(__WXMSW__) )
+// Wrappers around Win32 api functions like CreateFile, ReadFile and such
+// Implemented in filefnwce.cpp
+#if defined( __WXWINCE__)
+    typedef __int64 wxFileOffset;
+    #define wxFileOffsetFmtSpec _("I64")
+    WXDLLIMPEXP_BASE int wxCRT_Open(const wxChar *filename, int oflag, int WXUNUSED(pmode));
+    WXDLLIMPEXP_BASE int wxCRT_Access(const wxChar *name, int WXUNUSED(how));
+    WXDLLIMPEXP_BASE int wxClose(int fd);
+    WXDLLIMPEXP_BASE int wxFsync(int WXUNUSED(fd));
+    WXDLLIMPEXP_BASE int wxRead(int fd, void *buf, unsigned int count);
+    WXDLLIMPEXP_BASE int wxWrite(int fd, const void *buf, unsigned int count);
+    WXDLLIMPEXP_BASE int wxEof(int fd);
+    WXDLLIMPEXP_BASE wxFileOffset wxSeek(int fd, wxFileOffset offset, int origin);
+    #define wxLSeek wxSeek
+    WXDLLIMPEXP_BASE wxFileOffset wxTell(int fd);
+
+    // always Unicode under WinCE
+    #define   wxCRT_MkDir      _wmkdir
+    #define   wxCRT_RmDir      _wrmdir
+    #define   wxCRT_Stat       _wstat
+    #define   wxStructStat struct _stat
+#elif (defined(__WXMSW__) || defined(__OS2__)) && !defined(__WXPALMOS__) && \
+      ( \
+        defined(__VISUALC__) || \
+        (defined(__MINGW32__) && !defined(__WINE__) && \
+                                wxCHECK_W32API_VERSION(0, 5)) || \
+        defined(__MWERKS__) || \
+        defined(__DMC__) || \
+        defined(__WATCOMC__) || \
+        defined(__BORLANDC__) \
+      )
+
+    #undef wxHAS_HUGE_FILES
+
+    // detect compilers which have support for huge files
+    #if defined(__VISUALC__)
+        #define wxHAS_HUGE_FILES 1
+    #elif defined(__MINGW32__)
+        #define wxHAS_HUGE_FILES 1
+    #elif defined(_LARGE_FILES)
+        #define wxHAS_HUGE_FILES 1
+    #endif
+
+    // other Windows compilers (DMC, Watcom, Metrowerks and Borland) don't have
+    // huge file support (or at least not all functions needed for it by wx)
+    // currently
+
+    #ifdef wxHAS_HUGE_FILES
+        typedef wxLongLong_t wxFileOffset;
+        #define wxFileOffsetFmtSpec wxLongLongFmtSpec
+    #else
+        typedef off_t wxFileOffset;
+    #endif
+
+

     // functions
     // functions

-#if defined(__BORLANDC__) || defined(__WATCOMC__)
-    #define   _tell        tell
-#endif
-    #define   wxClose      _close
-    #define   wxRead       _read
-    #define   wxWrite      _write
-    #define   wxLseek      _lseek
-    #define   wxFsync      _commit
-    #define   wxEof        _eof

 
 

-    #define   wxTell       _tell
+    // MSVC and compatible compilers prepend underscores to the POSIX function
+    // names, other compilers don't and even if their later versions usually do
+    // define the versions with underscores for MSVC compatibility, it's better
+    // to avoid using them as they're not present in earlier versions and
+    // always using the native functions spelling is easier than testing for
+    // the versions
+    #if defined(__BORLANDC__) || defined(__DMC__) || defined(__WATCOMC__)
+        #define wxPOSIX_IDENT(func)    ::func
+    #else // by default assume MSVC-compatible names
+        #define wxPOSIX_IDENT(func)    _ ## func
+        #define wxHAS_UNDERSCORES_IN_POSIX_IDENTS
+    #endif

 
 

-    #if wxUSE_UNICODE
-        #if wxUSE_UNICODE_MSLU
-            #define   wxOpen       wxMSLU__wopen
+    // at least Borland 5.5 doesn't like "struct ::stat" so don't use the scope
+    // resolution operator present in wxPOSIX_IDENT for it
+    #ifdef __BORLANDC__
+        #define wxPOSIX_STRUCT(s)    struct s
+    #else
+        #define wxPOSIX_STRUCT(s)    struct wxPOSIX_IDENT(s)
+    #endif
+
+    // first functions not working with strings, i.e. without ANSI/Unicode
+    // complications
+    #define   wxClose      wxPOSIX_IDENT(close)

 
 

-            #define   wxAccess     wxMSLU__waccess
-            #define   wxMkDir      wxMSLU__wmkdir
-            #define   wxRmDir      wxMSLU__wrmdir
-            #define   wxStat       wxMSLU__wstat
+    #if defined(__MWERKS__)
+        #if __MSL__ >= 0x6000
+            #define wxRead(fd, buf, nCount)  _read(fd, (void *)buf, nCount)
+            #define wxWrite(fd, buf, nCount) _write(fd, (void *)buf, nCount)

         #else
         #else

-            #define   wxOpen       _wopen
-            #define   wxAccess     _waccess
-            #define   wxMkDir      _wmkdir
-            #define   wxRmDir      _wrmdir
-            #define   wxStat       _wstat
+            #define wxRead(fd, buf, nCount)\
+                  _read(fd, (const char *)buf, nCount)
+            #define wxWrite(fd, buf, nCount)\
+                  _write(fd, (const char *)buf, nCount)

         #endif
         #endif

-    #else // !wxUSE_UNICODE
-#ifdef __BORLANDC__
-        #define   wxOpen       open
-#else
-        #define   wxOpen       _open
-#endif
-        #define   wxAccess     _access
-        #define   wxMkDir      _mkdir
-#ifdef __WATCOMC__
-        #define   wxRmDir      rmdir
-#else
-        #define   wxRmDir      _rmdir
-#endif
-        #define   wxStat       _stat
+    #else // __MWERKS__
+        #define wxRead         wxPOSIX_IDENT(read)
+        #define wxWrite        wxPOSIX_IDENT(write)

     #endif
 
     #endif
 

-    // types
-#if defined(__WATCOMC__)&& wxUSE_UNICODE
-    #define   wxStructStat struct _wstat
-#else
-    #define   wxStructStat struct _stat
-#endif
+    #ifdef wxHAS_HUGE_FILES
+        #define   wxSeek       wxPOSIX_IDENT(lseeki64)
+        #define   wxLseek      wxPOSIX_IDENT(lseeki64)
+        #define   wxTell       wxPOSIX_IDENT(telli64)
+    #else // !wxHAS_HUGE_FILES
+        #define   wxSeek       wxPOSIX_IDENT(lseek)
+        #define   wxLseek      wxPOSIX_IDENT(lseek)
+        #define   wxTell       wxPOSIX_IDENT(tell)
+    #endif // wxHAS_HUGE_FILES/!wxHAS_HUGE_FILES
+
+    #ifndef __WATCOMC__
+        #if !defined(__BORLANDC__) || (__BORLANDC__ > 0x540)
+           // NB: this one is not POSIX and always has the underscore
+           #define   wxFsync      _commit
+
+           #define HAVE_FSYNC
+       #endif // BORLANDC
+    #endif
+
+    #define   wxEof        wxPOSIX_IDENT(eof)
+
+    // then the functions taking strings
+    #if wxUSE_UNICODE
+        #if wxUSE_UNICODE_MSLU
+            // implement the missing file functions in Win9x ourselves
+            #if defined( __VISUALC__ ) \
+                || ( defined(__MINGW32__) && wxCHECK_W32API_VERSION( 0, 5 ) ) \
+                || ( defined(__MWERKS__) && defined(__WXMSW__) ) \
+                || ( defined(__BORLANDC__) && (__BORLANDC__ > 0x460) ) \
+                || defined(__DMC__)
+
+                WXDLLIMPEXP_BASE int wxMSLU__wopen(const wxChar *name,
+                                                   int flags, int mode);
+                WXDLLIMPEXP_BASE int wxMSLU__waccess(const wxChar *name,
+                                                     int mode);
+                WXDLLIMPEXP_BASE int wxMSLU__wmkdir(const wxChar *name);
+                WXDLLIMPEXP_BASE int wxMSLU__wrmdir(const wxChar *name);
+
+                WXDLLIMPEXP_BASE int
+                wxMSLU__wstat(const wxChar *name, wxPOSIX_STRUCT(stat) *buffer);
+                WXDLLIMPEXP_BASE int
+                wxMSLU__wstati64(const wxChar *name,
+                                 wxPOSIX_STRUCT(stati64) *buffer);
+            #endif // Windows compilers with MSLU support
+
+            #define   wxCRT_Open       wxMSLU__wopen
+
+            #define   wxCRT_Access     wxMSLU__waccess
+            #define   wxCRT_MkDir      wxMSLU__wmkdir
+            #define   wxCRT_RmDir      wxMSLU__wrmdir
+            #ifdef wxHAS_HUGE_FILES
+                #define   wxCRT_Stat   wxMSLU__wstati64
+            #else
+                #define   wxCRT_Stat   wxMSLU__wstat
+            #endif
+        #else // !wxUSE_UNICODE_MSLU
+            #ifdef __BORLANDC__
+                #if __BORLANDC__ >= 0x550 && __BORLANDC__ <= 0x551
+                    WXDLLIMPEXP_BASE int wxCRT_Open(const wxChar *pathname,
+                                                    int flags, mode_t mode);
+                #else
+                    #define   wxCRT_Open       _wopen
+                #endif
+                #define   wxCRT_Access     _waccess
+                #define   wxCRT_MkDir      _wmkdir
+                #define   wxCRT_RmDir      _wrmdir
+                #ifdef wxHAS_HUGE_FILES
+                    #define   wxCRT_Stat       _wstati64
+                #else
+                    #define   wxCRT_Stat       _wstat
+                #endif
+            #else
+                #define   wxCRT_Open       _wopen
+                #define   wxCRT_Access     _waccess
+                #define   wxCRT_MkDir      _wmkdir
+                #define   wxCRT_RmDir      _wrmdir
+                #ifdef wxHAS_HUGE_FILES
+                    #define   wxCRT_Stat       _wstati64
+                #else
+                    #define   wxCRT_Stat       _wstat
+                #endif
+            #endif
+        #endif // wxUSE_UNICODE_MSLU/!wxUSE_UNICODE_MSLU
+    #else // !wxUSE_UNICODE
+        #define   wxCRT_Open       wxPOSIX_IDENT(open)
+        #define   wxCRT_Access     wxPOSIX_IDENT(access)
+        #define   wxCRT_MkDir      wxPOSIX_IDENT(mkdir)
+        #define   wxCRT_RmDir      wxPOSIX_IDENT(rmdir)
+        #ifdef wxHAS_HUGE_FILES
+            #define   wxCRT_Stat       wxPOSIX_IDENT(stati64)
+        #else
+            // Unfortunately Watcom is not consistent, so:-
+            #if defined(__OS2__) && defined(__WATCOMC__)
+                #define   wxCRT_Stat       _stat
+            #else
+                #define   wxCRT_Stat       wxPOSIX_IDENT(stat)
+            #endif
+        #endif
+    #endif // wxUSE_UNICODE/!wxUSE_UNICODE
+
+    // Types: Notice that Watcom is the only compiler to have a wide char
+    // version of struct stat as well as a wide char stat function variant.
+    // This was droped since OW 1.4 "for consistency across platforms".
+    #ifdef wxHAS_HUGE_FILES
+        #if wxUSE_UNICODE && wxONLY_WATCOM_EARLIER_THAN(1,4)
+            #define   wxStructStat struct _wstati64
+        #else
+            #define   wxStructStat struct _stati64
+        #endif
+    #else
+        #if wxUSE_UNICODE && wxONLY_WATCOM_EARLIER_THAN(1,4)
+            #define   wxStructStat struct _wstat
+        #else
+            #define   wxStructStat struct _stat
+        #endif
+    #endif

 
     // constants (unless already defined by the user code)
 
     // constants (unless already defined by the user code)

-    #if !defined(O_RDONLY) && !defined(__BORLANDC__) && !defined(__WATCOMC__)
-        #define   O_RDONLY    _O_RDONLY
-        #define   O_WRONLY    _O_WRONLY
-        #define   O_RDWR      _O_RDWR
-        #define   O_EXCL      _O_EXCL
-        #define   O_CREAT     _O_CREAT
-        #define   O_BINARY    _O_BINARY
+    #ifdef wxHAS_UNDERSCORES_IN_POSIX_IDENTS
+        #ifndef O_RDONLY
+            #define   O_RDONLY    _O_RDONLY
+            #define   O_WRONLY    _O_WRONLY
+            #define   O_RDWR      _O_RDWR
+            #define   O_EXCL      _O_EXCL
+            #define   O_CREAT     _O_CREAT
+            #define   O_BINARY    _O_BINARY
+        #endif
+
+        #ifndef S_IFMT
+            #define   S_IFMT      _S_IFMT
+            #define   S_IFDIR     _S_IFDIR
+            #define   S_IFREG     _S_IFREG
+        #endif
+    #endif // wxHAS_UNDERSCORES_IN_POSIX_IDENTS
+
+    #ifdef wxHAS_HUGE_FILES
+        // wxFile is present and supports large files. Currently wxFFile
+        // doesn't have large file support with any Windows compiler (even
+        // Win64 ones).
+        #if wxUSE_FILE
+            #define wxHAS_LARGE_FILES
+        #endif

     #endif
 
     #endif
 

-    #if !defined(__BORLANDC__) && !defined(__WATCOMC__)
-        #define   S_IFMT      _S_IFMT
-        #define   S_IFDIR     _S_IFDIR
-        #define   S_IFREG     _S_IFREG
-    #endif // O_RDONLY
-#else
+    // it's a private define, undefine it so that nobody gets tempted to use it
+    #undef wxHAS_HUGE_FILES
+#else // Unix or Windows using unknown compiler, assume POSIX supported
+    typedef off_t wxFileOffset;
+    #ifdef _LARGE_FILES
+        #define wxFileOffsetFmtSpec wxLongLongFmtSpec
+        wxCOMPILE_TIME_ASSERT( sizeof(off_t) == sizeof(wxLongLong_t),
+                                BadFileSizeType );
+        // wxFile is present and supports large files
+        #ifdef wxUSE_FILE
+            #define wxHAS_LARGE_FILES
+        #endif
+        // wxFFile is present and supports large files
+        #if SIZEOF_LONG == 8 || defined HAVE_FSEEKO
+            #define wxHAS_LARGE_FFILES
+        #endif
+    #else
+        #define wxFileOffsetFmtSpec _T("")
+    #endif

     // functions
     #define   wxClose      close
     // functions
     #define   wxClose      close

-    #define   wxRead       read
-    #define   wxWrite      write
+    #define   wxRead       ::read
+    #define   wxWrite      ::write

     #define   wxLseek      lseek
     #define   wxLseek      lseek

-    #define   wxFsync      commit
+    #define   wxSeek       lseek
+    #define   wxFsync      fsync

     #define   wxEof        eof
 
     #define   wxEof        eof
 

-    #define   wxMkDir      mkdir
-    #define   wxRmDir      rmdir
+    #define   wxCRT_MkDir      mkdir
+    #define   wxCRT_RmDir      rmdir

 
     #define   wxTell(fd)   lseek(fd, 0, SEEK_CUR)
 
     #define   wxStructStat struct stat
 
 
     #define   wxTell(fd)   lseek(fd, 0, SEEK_CUR)
 
     #define   wxStructStat struct stat
 

-#if wxUSE_UNICODE
-#   define wxNEED_WX_UNISTD_H
-#if defined(__MWERKS__) && defined(macintosh)
-    #include <sys/stat.h>
+    #define   wxCRT_Open       open
+    #define   wxCRT_Stat       stat
+    #define   wxCRT_Lstat      lstat
+    #define   wxCRT_Access     access
+
+    #define wxHAS_NATIVE_LSTAT
+#endif // platforms
+
+// if the platform doesn't have symlinks, define wxCRT_Lstat to be the same as
+// wxCRT_Stat to avoid #ifdefs in the code using it
+#ifndef wxHAS_NATIVE_LSTAT
+    #define wxCRT_Lstat wxCRT_Stat

 #endif
 #endif

-#if defined(__DMC__)
-    typedef unsigned long mode_t;
+
+inline int wxAccess(const wxString& path, mode_t mode)
+    { return wxCRT_Access(path.fn_str(), mode); }
+inline int wxOpen(const wxString& path, int flags, mode_t mode)
+    { return wxCRT_Open(path.fn_str(), flags, mode); }
+
+// FIXME-CE: provide our own implementations of the missing CRT functions
+#ifndef __WXWINCE__
+inline int wxStat(const wxString& path, wxStructStat *buf)
+    { return wxCRT_Stat(path.fn_str(), buf); }
+inline int wxLstat(const wxString& path, wxStructStat *buf)
+    { return wxCRT_Lstat(path.fn_str(), buf); }
+inline int wxRmDir(const wxString& path)
+    { return wxCRT_RmDir(path.fn_str()); }
+#if defined(__WINDOWS__) || (defined(__OS2__) && defined(__WATCOMC__))
+inline int wxMkDir(const wxString& path, mode_t WXUNUSED(mode) = 0)
+    { return wxCRT_MkDir(path.fn_str()); }
+#else
+inline int wxMkDir(const wxString& path, mode_t mode)
+    { return wxCRT_MkDir(path.fn_str(), mode); }

 #endif
 #endif

-WXDLLIMPEXP_BASE int wxStat( const wxChar *file_name, wxStructStat *buf );
-WXDLLIMPEXP_BASE int wxAccess( const wxChar *pathname, int mode );
-WXDLLIMPEXP_BASE int wxOpen( const wxChar *pathname, int flags, mode_t mode );
+#endif // !__WXWINCE__
+
+#ifdef O_BINARY
+    #define wxO_BINARY O_BINARY

 #else
 #else

-    #define   wxOpen       open
-    #define   wxStat       stat
-    #define   wxAccess     access
+    #define wxO_BINARY 0

 #endif
 
 #endif
 

-#endif  // VC++
+#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
+//
+// VisualAge C++ V4.0 cannot have any external linkage const decs
+// in headers included by more than one primary source
+//
+extern const int wxInvalidOffset;
+#else
+const int wxInvalidOffset = -1;
+#endif

 
 // ----------------------------------------------------------------------------
 // functions
 
 // ----------------------------------------------------------------------------
 // functions


@@ -183,7 +473,7 @@ WXDLLIMPEXP_BASE int wxOpen( const wxChar *pathname, int flags, mode_t mode );
 WXDLLIMPEXP_BASE bool wxFileExists(const wxString& filename);
 
 // does the path exist? (may have or not '/' or '\\' at the end)
 WXDLLIMPEXP_BASE bool wxFileExists(const wxString& filename);
 
 // does the path exist? (may have or not '/' or '\\' at the end)

-WXDLLIMPEXP_BASE bool wxPathExists(const wxChar *pszPathName);
+WXDLLIMPEXP_BASE bool wxDirExists(const wxString& pathName);

 
 WXDLLIMPEXP_BASE bool wxIsAbsolutePath(const wxString& filename);
 
 
 WXDLLIMPEXP_BASE bool wxIsAbsolutePath(const wxString& filename);
 


@@ -194,15 +484,15 @@ WXDLLIMPEXP_BASE wxString wxFileNameFromPath(const wxString& path);
 // Get directory
 WXDLLIMPEXP_BASE wxString wxPathOnly(const wxString& path);
 
 // Get directory
 WXDLLIMPEXP_BASE wxString wxPathOnly(const wxString& path);
 

-// wxString version
-WXDLLIMPEXP_BASE wxString wxRealPath(const wxString& path);
-
-WXDLLIMPEXP_BASE void wxDos2UnixFilename(wxChar *s);
+WXDLLIMPEXP_BASE void wxDos2UnixFilename(char *s);
+WXDLLIMPEXP_BASE void wxDos2UnixFilename(wchar_t *s);

 
 

-WXDLLIMPEXP_BASE void wxUnix2DosFilename(wxChar *s);
+WXDLLIMPEXP_BASE void wxUnix2DosFilename(char *s);
+WXDLLIMPEXP_BASE void wxUnix2DosFilename(wchar_t *s);

 
 // Strip the extension, in situ
 
 // Strip the extension, in situ

-WXDLLIMPEXP_BASE void wxStripExtension(wxChar *buffer);
+WXDLLIMPEXP_BASE void wxStripExtension(char *buffer);
+WXDLLIMPEXP_BASE void wxStripExtension(wchar_t *buffer);

 WXDLLIMPEXP_BASE void wxStripExtension(wxString& buffer);
 
 // Get a temporary filename
 WXDLLIMPEXP_BASE void wxStripExtension(wxString& buffer);
 
 // Get a temporary filename


@@ -210,8 +500,9 @@ WXDLLIMPEXP_BASE wxChar* wxGetTempFileName(const wxString& prefix, wxChar *buf =
 WXDLLIMPEXP_BASE bool wxGetTempFileName(const wxString& prefix, wxString& buf);
 
 // Expand file name (~/ and ${OPENWINHOME}/ stuff)
 WXDLLIMPEXP_BASE bool wxGetTempFileName(const wxString& prefix, wxString& buf);
 
 // Expand file name (~/ and ${OPENWINHOME}/ stuff)

-WXDLLIMPEXP_BASE wxChar* wxExpandPath(wxChar *dest, const wxChar *path);
-WXDLLIMPEXP_BASE bool wxExpandPath(wxString& dest, const wxChar *path);
+WXDLLIMPEXP_BASE char* wxExpandPath(char *dest, const wxString& path);
+WXDLLIMPEXP_BASE wchar_t* wxExpandPath(wchar_t *dest, const wxString& path);
+// FIXME-UTF8: add some wxString version

 
 // Contract w.r.t environment (</usr/openwin/lib, OPENWHOME> -> ${OPENWINHOME}/lib)
 // and make (if under the home tree) relative to home
 
 // Contract w.r.t environment (</usr/openwin/lib, OPENWHOME> -> ${OPENWINHOME}/lib)
 // and make (if under the home tree) relative to home


@@ -221,7 +512,10 @@ WXDLLIMPEXP_BASE wxChar* wxContractPath(const wxString& filename,
                                    const wxString& user = wxEmptyString);
 
 // Destructive removal of /./ and /../ stuff
                                    const wxString& user = wxEmptyString);
 
 // Destructive removal of /./ and /../ stuff

-WXDLLIMPEXP_BASE wxChar* wxRealPath(wxChar *path);
+// FIXME-UTF8: deprecate these two (and similar)
+WXDLLIMPEXP_BASE char* wxRealPath(char *path);
+WXDLLIMPEXP_BASE wchar_t* wxRealPath(wchar_t *path);
+WXDLLIMPEXP_BASE wxString wxRealPath(const wxString& path);

 
 // Allocate a copy of the full absolute path
 WXDLLIMPEXP_BASE wxChar* wxCopyAbsolutePath(const wxString& path);
 
 // Allocate a copy of the full absolute path
 WXDLLIMPEXP_BASE wxChar* wxCopyAbsolutePath(const wxString& path);


@@ -230,7 +524,7 @@ WXDLLIMPEXP_BASE wxChar* wxCopyAbsolutePath(const wxString& path);
 // Flags are reserved for future use.
 #define wxFILE  1
 #define wxDIR   2
 // Flags are reserved for future use.
 #define wxFILE  1
 #define wxDIR   2

-WXDLLIMPEXP_BASE wxString wxFindFirstFile(const wxChar *spec, int flags = wxFILE);
+WXDLLIMPEXP_BASE wxString wxFindFirstFile(const wxString& spec, int flags = wxFILE);

 WXDLLIMPEXP_BASE wxString wxFindNextFile();
 
 // Does the pattern contain wildcards?
 WXDLLIMPEXP_BASE wxString wxFindNextFile();
 
 // Does the pattern contain wildcards?


@@ -252,16 +546,18 @@ WXDLLIMPEXP_BASE bool wxCopyFile(const wxString& file1, const wxString& file2,
 WXDLLIMPEXP_BASE bool wxRemoveFile(const wxString& file);
 
 // Rename file
 WXDLLIMPEXP_BASE bool wxRemoveFile(const wxString& file);
 
 // Rename file

-WXDLLIMPEXP_BASE bool wxRenameFile(const wxString& file1, const wxString& file2);
+WXDLLIMPEXP_BASE bool wxRenameFile(const wxString& file1, const wxString& file2, bool overwrite = true);

 
 // Get current working directory.
 
 // Get current working directory.

+#if WXWIN_COMPATIBILITY_2_6

 // If buf is NULL, allocates space using new, else
 // copies into buf.
 // IMPORTANT NOTE getcwd is know not to work under some releases
 // of Win32s 1.3, according to MS release notes!
 // If buf is NULL, allocates space using new, else
 // copies into buf.
 // IMPORTANT NOTE getcwd is know not to work under some releases
 // of Win32s 1.3, according to MS release notes!

-WXDLLIMPEXP_BASE wxChar* wxGetWorkingDirectory(wxChar *buf = (wxChar *) NULL, int sz = 1000);
+wxDEPRECATED( WXDLLIMPEXP_BASE wxChar* wxGetWorkingDirectory(wxChar *buf = (wxChar *) NULL, int sz = 1000) );

 // new and preferred version of wxGetWorkingDirectory
 // NB: can't have the same name because of overloading ambiguity
 // new and preferred version of wxGetWorkingDirectory
 // NB: can't have the same name because of overloading ambiguity

+#endif // WXWIN_COMPATIBILITY_2_6

 WXDLLIMPEXP_BASE wxString wxGetCwd();
 
 // Set working directory
 WXDLLIMPEXP_BASE wxString wxGetCwd();
 
 // Set working directory


@@ -273,8 +569,23 @@ WXDLLIMPEXP_BASE bool wxMkdir(const wxString& dir, int perm = 0777);
 // Remove directory. Flags reserved for future use.
 WXDLLIMPEXP_BASE bool wxRmdir(const wxString& dir, int flags = 0);
 
 // Remove directory. Flags reserved for future use.
 WXDLLIMPEXP_BASE bool wxRmdir(const wxString& dir, int flags = 0);
 

+// Return the type of an open file
+WXDLLIMPEXP_BASE wxFileKind wxGetFileKind(int fd);
+WXDLLIMPEXP_BASE wxFileKind wxGetFileKind(FILE *fp);
+
+#if WXWIN_COMPATIBILITY_2_6

 // compatibility defines, don't use in new code
 // compatibility defines, don't use in new code

-#define wxDirExists wxPathExists
+wxDEPRECATED( inline bool wxPathExists(const wxChar *pszPathName) );
+inline bool wxPathExists(const wxChar *pszPathName)
+{
+    return wxDirExists(pszPathName);
+}
+#endif //WXWIN_COMPATIBILITY_2_6
+
+// permissions; these functions work both on files and directories:
+WXDLLIMPEXP_BASE bool wxIsWritable(const wxString &path);
+WXDLLIMPEXP_BASE bool wxIsReadable(const wxString &path);
+WXDLLIMPEXP_BASE bool wxIsExecutable(const wxString &path);

 
 // ----------------------------------------------------------------------------
 // separators in file names
 
 // ----------------------------------------------------------------------------
 // separators in file names


@@ -305,6 +616,9 @@ WXDLLIMPEXP_BASE bool wxRmdir(const wxString& dir, int flags = 0);
   // CYGWIN also uses UNIX settings
   #define wxFILE_SEP_PATH     wxFILE_SEP_PATH_UNIX
   #define wxPATH_SEP          wxPATH_SEP_UNIX
   // CYGWIN also uses UNIX settings
   #define wxFILE_SEP_PATH     wxFILE_SEP_PATH_UNIX
   #define wxPATH_SEP          wxPATH_SEP_UNIX

+#elif defined(__WXPALMOS__)
+  #define wxFILE_SEP_PATH     wxFILE_SEP_PATH_UNIX
+  #define wxPATH_SEP          wxPATH_SEP_UNIX

 #elif defined(__MAC__)
   #define wxFILE_SEP_PATH     wxFILE_SEP_PATH_MAC
   #define wxPATH_SEP          wxPATH_SEP_MAC
 #elif defined(__MAC__)
   #define wxFILE_SEP_PATH     wxFILE_SEP_PATH_MAC
   #define wxPATH_SEP          wxPATH_SEP_MAC


@@ -333,25 +647,29 @@ inline bool wxIsPathSeparator(wxChar c)
 }
 
 // does the string ends with path separator?
 }
 
 // does the string ends with path separator?

-WXDLLIMPEXP_BASE bool wxEndsWithPathSeparator(const wxChar *pszFileName);
+WXDLLIMPEXP_BASE bool wxEndsWithPathSeparator(const wxString& filename);

 
 // split the full path into path (including drive for DOS), name and extension
 // (understands both '/' and '\\')
 
 // split the full path into path (including drive for DOS), name and extension
 // (understands both '/' and '\\')

-WXDLLIMPEXP_BASE void wxSplitPath(const wxChar *pszFileName,
+WXDLLIMPEXP_BASE void wxSplitPath(const wxString& fileName,

                              wxString *pstrPath,
                              wxString *pstrName,
                              wxString *pstrExt);
 
 // find a file in a list of directories, returns false if not found
                              wxString *pstrPath,
                              wxString *pstrName,
                              wxString *pstrExt);
 
 // find a file in a list of directories, returns false if not found

-WXDLLIMPEXP_BASE bool wxFindFileInPath(wxString *pStr, const wxChar *pszPath, const wxChar *pszFile);
+WXDLLIMPEXP_BASE bool wxFindFileInPath(wxString *pStr, const wxString& szPath, const wxString& szFile);

 
 // Get the OS directory if appropriate (such as the Windows directory).
 // On non-Windows platform, probably just return the empty string.
 WXDLLIMPEXP_BASE wxString wxGetOSDirectory();
 
 
 // Get the OS directory if appropriate (such as the Windows directory).
 // On non-Windows platform, probably just return the empty string.
 WXDLLIMPEXP_BASE wxString wxGetOSDirectory();
 

+#if wxUSE_DATETIME
+

 // Get file modification time
 WXDLLIMPEXP_BASE time_t wxFileModificationTime(const wxString& filename);
 
 // Get file modification time
 WXDLLIMPEXP_BASE time_t wxFileModificationTime(const wxString& filename);
 

+#endif // wxUSE_DATETIME
+

 // Parses the wildCard, returning the number of filters.
 // Returns 0 if none or if there's a problem,
 // The arrays will contain an equal number of items found before the error.
 // Parses the wildCard, returning the number of filters.
 // Returns 0 if none or if there's a problem,
 // The arrays will contain an equal number of items found before the error.


@@ -363,30 +681,70 @@ WXDLLIMPEXP_BASE int wxParseCommonDialogsFilter(const wxString& wildCard, wxArra
 // classes
 // ----------------------------------------------------------------------------
 
 // classes
 // ----------------------------------------------------------------------------
 

+#ifdef __UNIX__
+
+// set umask to the given value in ctor and reset it to the old one in dtor
+class WXDLLIMPEXP_BASE wxUmaskChanger
+{
+public:
+    // change the umask to the given one if it is not -1: this allows to write
+    // the same code whether you really want to change umask or not, as is in
+    // wxFileConfig::Flush() for example
+    wxUmaskChanger(int umaskNew)
+    {
+        m_umaskOld = umaskNew == -1 ? -1 : (int)umask((mode_t)umaskNew);
+    }
+
+    ~wxUmaskChanger()
+    {
+        if ( m_umaskOld != -1 )
+            umask((mode_t)m_umaskOld);
+    }
+
+private:
+    int m_umaskOld;
+};
+
+// this macro expands to an "anonymous" wxUmaskChanger object under Unix and
+// nothing elsewhere
+#define wxCHANGE_UMASK(m) wxUmaskChanger wxMAKE_UNIQUE_NAME(umaskChanger_)(m)
+
+#else // !__UNIX__
+
+#define wxCHANGE_UMASK(m)
+
+#endif // __UNIX__/!__UNIX__
+
+

 // Path searching
 // Path searching

-class WXDLLIMPEXP_BASE wxPathList : public wxStringList
+class WXDLLIMPEXP_BASE wxPathList : public wxArrayString

 {
 public:
 {
 public:

-    // avoid GCC warning about virtual functions w/o virtual dtor
-    virtual ~wxPathList() {}
+    wxPathList() {}
+    wxPathList(const wxArrayString &arr)
+        { Add(arr); }

 
     // Adds all paths in environment variable
     void AddEnvList(const wxString& envVariable);
 
 
     // Adds all paths in environment variable
     void AddEnvList(const wxString& envVariable);
 

-    void Add(const wxString& path);
+    // Adds given path to this list
+    bool Add(const wxString& path);
+    void Add(const wxArrayString &paths);
+

     // Find the first full path for which the file exists
     // Find the first full path for which the file exists

-    wxString FindValidPath(const wxString& filename);
+    wxString FindValidPath(const wxString& filename) const;
+

     // Find the first full path for which the file exists; ensure it's an
     // absolute path that gets returned.
     // Find the first full path for which the file exists; ensure it's an
     // absolute path that gets returned.

-    wxString FindAbsoluteValidPath(const wxString& filename);
+    wxString FindAbsoluteValidPath(const wxString& filename) const;
+

     // Given full path and filename, add path to list
     // Given full path and filename, add path to list

-    void EnsureFileAccessible(const wxString& path);
-    // Returns true if the path is in the list
-    bool Member(const wxString& path);
+    bool EnsureFileAccessible(const wxString& path);

 
 

-private:
-    // DECLARE_DYNAMIC_CLASS(wxPathList)
+#if WXWIN_COMPATIBILITY_2_6
+    // Returns true if the path is in the list
+    wxDEPRECATED( bool Member(const wxString& path) const );
+#endif

 };
 
 };
 

-#endif
-  // _WX_FILEFN_H_
+#endif // _WX_FILEFN_H_