ssize_t is always defined in OSX

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

diff --git a/include/wx/filefn.h b/include/wx/filefn.h
index 97881ebb400849f15b694693482137c87d82d4b4..976292adb96df14e5ded6faa2a610dc218f4dbba 100644 (file)
--- a/include/wx/filefn.h
+++ b/include/wx/filefn.h
@@ -122,6 +122,14 @@ enum wxSeekMode
   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
@@ -131,7 +139,6 @@ enum wxSeekMode
 // Implemented in filefnwce.cpp
 #if defined( __WXWINCE__)
     typedef __int64 wxFileOffset;
-    typedef unsigned __int64 wxFileSize_t;
     #define wxFileOffsetFmtSpec _("I64")
     int wxOpen(const wxChar *filename, int oflag, int WXUNUSED(pmode));
     int wxAccess(const wxChar *name, int WXUNUSED(how));
@@ -141,28 +148,14 @@ enum wxSeekMode
     int wxWrite(int fd, const void *buf, unsigned int count);
     int wxEof(int fd);
     wxFileOffset wxSeek(int fd, wxFileOffset offset, int origin);
+    inline HANDLE wxGetOSFHandle(int fd) { return (HANDLE)fd; }
     #define wxLSeek wxSeek
     wxFileOffset wxTell(int fd);
-
-    #if wxUSE_UNICODE
-        #if wxUSE_UNICODE_MSLU
-            #define   wxMkDir      wxMSLU__wmkdir
-            #define   wxRmDir      wxMSLU__wrmdir
-            #define   wxStat       wxMSLU__wstat
-        #else
-            #define   wxMkDir      _wmkdir
-            #define   wxRmDir      _wrmdir
-            #define   wxStat       _wstat
-        #endif
-    #else // !wxUSE_UNICODE
-        #define   wxMkDir      _mkdir
-        #ifdef __WATCOMC__
-            #define   wxRmDir      rmdir
-        #else
-            #define   wxRmDir      _rmdir
-        #endif
-        #define   wxStat       _stat
-    #endif
+    
+    // always Unicode under WinCE
+    #define   wxMkDir      _wmkdir
+    #define   wxRmDir      _wrmdir
+    #define   wxStat       _wstat
     #define   wxStructStat struct _stat
 
 // Microsoft compiler loves underscores, feed them to it
@@ -174,7 +167,9 @@ enum wxSeekMode
 
     // detect compilers which have support for huge files (currently only
     // Digital Mars doesn't)
+    #ifndef __WXPALMOS__
     #include "wx/msw/private.h"
+    #endif
 
     #undef wxHAS_HUGE_FILES
     #if defined(__MINGW32__)
@@ -196,16 +191,9 @@ enum wxSeekMode
 
     #if wxHAS_HUGE_FILES
         typedef wxLongLong_t wxFileOffset;
-        typedef unsigned wxLongLong_t wxFileSize_t;
         #define wxFileOffsetFmtSpec wxLongLongFmtSpec
     #else
         typedef off_t wxFileOffset;
-        #if defined(__DMC__)
-            typedef unsigned long wxFileSize_t;
-        #else
-            typedef unsigned off_t wxFileSize_t;
-        #endif
-        #define wxFileOffsetFmtSpec _("")
     #endif
 
     #define   wxClose      _close
@@ -305,7 +293,7 @@ enum wxSeekMode
     #endif
 
     // constants (unless already defined by the user code)
-    #if !defined(__BORLANDC__) && !defined(__WATCOMC__)
+    #if !defined(__BORLANDC__) && !defined(__WATCOMC__) && !defined(__WXPALMOS__)
         #ifndef O_RDONLY
             #define   O_RDONLY    _O_RDONLY
             #define   O_WRONLY    _O_WRONLY
@@ -330,10 +318,8 @@ enum wxSeekMode
         #define wxFileOffsetFmtSpec wxLongLongFmtSpec
         wxCOMPILE_TIME_ASSERT( sizeof(off_t) == sizeof(wxLongLong_t),
                                 BadFileSizeType );
-        typedef unsigned wxLongLong_t wxFileSize_t;
     #else
         #define wxFileOffsetFmtSpec _T("")
-        typedef unsigned long wxFileSize_t;
     #endif
     // functions
     #define   wxClose      close
@@ -366,14 +352,19 @@ enum wxSeekMode
     #endif
 #endif // platforms
 
+#if defined __WXMSW__ && !defined __WXWINCE__ 
+    // get the HANDLE associated with a file descriptor
+    inline HANDLE wxGetOSFHandle(int fd) { return (HANDLE)_get_osfhandle(fd); }
+#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 wxFileSize_t wxInvalidOffset;
+extern const int wxInvalidOffset;
 #else
-const wxFileSize_t wxInvalidOffset = (wxFileSize_t)-1;
+const int wxInvalidOffset = -1;
 #endif
 
 // ----------------------------------------------------------------------------
@@ -472,6 +463,10 @@ 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);
 
+// Return the type of an open file
+WXDLLIMPEXP_BASE wxFileKind wxGetFileKind(int fd);
+inline wxFileKind wxGetFileKind (FILE *fp) { return wxGetFileKind(fileno(fp)); }
+
 // compatibility defines, don't use in new code
 #define wxDirExists wxPathExists