Inversed slider and wrapper for datepicker control on PalmOS. WinHandle instead of...

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

diff --git a/include/wx/file.h b/include/wx/file.h
index dbc56beeb92532a4c20a0714d7407755c4e08276..3382610c571f261dbf943c2b5391d91174bd9bf5 100644 (file)
--- a/include/wx/file.h
+++ b/include/wx/file.h
@@ -7,7 +7,7 @@
 // Created:     29/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence:     wxWidgets licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_FILEH__
@@ -17,11 +17,9 @@
 #pragma interface "file.h"
 #endif
 
-#ifndef WX_PRECOMP
-  #include  "wx/string.h"
-  #include  "wx/filefn.h"
-  #include  "wx/strconv.h"
-#endif
+#include  "wx/string.h"
+#include  "wx/filefn.h"
+#include  "wx/strconv.h"
 
 #if wxUSE_FILE
 
@@ -68,7 +66,7 @@ public:
   // ----------------
     // check whether a regular file by this name exists
   static bool Exists(const wxChar *name);
-    // check whetther we can access the given file in given mode
+    // check whether we can access the given file in given mode
     // (only read and write make sense here)
   static bool Access(const wxChar *name, OpenMode mode);
 
@@ -84,7 +82,7 @@ public:
   // open/close
     // create a new file (with the default value of bOverwrite, it will fail if
     // the file already exists, otherwise it will overwrite it and succeed)
-  bool Create(const wxChar *szFileName, bool bOverwrite = FALSE,
+  bool Create(const wxChar *szFileName, bool bOverwrite = false,
               int access = wxS_DEFAULT);
   bool Open(const wxChar *szFileName, OpenMode mode = read,
             int access = wxS_DEFAULT);
@@ -96,8 +94,8 @@ public:
   int  fd() const { return m_fd; }
 
   // read/write (unbuffered)
-    // returns number of bytes read or ofsInvalid on error
-  off_t Read(void *pBuf, off_t nCount);
+    // returns number of bytes read or wxInvalidOffset on error
+  ssize_t Read(void *pBuf, size_t nCount);
     // returns the number of bytes written
   size_t Write(const void *pBuf, size_t nCount);
     // returns true on success
@@ -110,15 +108,15 @@ public:
     // flush data not yet written
   bool Flush();
 
-  // file pointer operations (return ofsInvalid on failure)
-    // move ptr ofs bytes related to start/current off_t/end of file
-  off_t Seek(off_t ofs, wxSeekMode mode = wxFromStart);
+  // file pointer operations (return wxInvalidOffset on failure)
+    // move ptr ofs bytes related to start/current offset/end of file
+  wxFileOffset Seek(wxFileOffset ofs, wxSeekMode mode = wxFromStart);
     // move ptr to ofs bytes before the end
-  off_t SeekEnd(off_t ofs = 0) { return Seek(ofs, wxFromEnd); }
-    // get current off_t
-  off_t Tell() const;
+  wxFileOffset SeekEnd(wxFileOffset ofs = 0) { return Seek(ofs, wxFromEnd); }
+    // get current offset
+  wxFileOffset Tell() const;
     // get current file length
-  off_t Length() const;
+  wxFileOffset Length() const;
 
   // simple accessors
     // is file opened?
@@ -127,6 +125,8 @@ public:
   bool Eof() const;
     // has an error occured?
   bool Error() const { return m_error; }
+    // type such as disk or pipe
+  wxFileKind GetKind() const { return wxGetFileKind(m_fd); }
 
   // dtor closes the file if opened
   ~wxFile() { Close(); }
@@ -166,7 +166,7 @@ public:
   bool IsOpened() const { return m_file.IsOpened(); }
 
   // I/O (both functions return true on success, false on failure)
-  bool Write(const void *p, size_t n) { return m_file.Write(p, n) != 0; }
+  bool Write(const void *p, size_t n) { return m_file.Write(p, n) == n; }
   bool Write(const wxString& str, wxMBConv& conv = wxConvUTF8)
     { return m_file.Write(str, conv); }