corrected handling of timeouts in wxConditionInternal::WaitTimeout(): check for wxSEM...

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

diff --git a/include/wx/file.h b/include/wx/file.h
index fd0b7021e3fd2ce318b6d49b9dd83a4725a96f6f..243d2b83f83a63815c2819d80f8a9d1002a5f948 100644 (file)
--- a/include/wx/file.h
+++ b/include/wx/file.h
@@ -13,18 +13,14 @@
 #ifndef _WX_FILEH__
 #define _WX_FILEH__
 
-#if defined(__GNUG__) && !defined(__APPLE__)
-#pragma interface "file.h"
-#endif
-
-#ifndef WX_PRECOMP
-  #include  "wx/string.h"
-  #include  "wx/filefn.h"
-  #include  "wx/strconv.h"
-#endif
+#include  "wx/defs.h"
 
 #if wxUSE_FILE
 
+#include  "wx/string.h"
+#include  "wx/filefn.h"
+#include  "wx/strconv.h"
+
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
@@ -54,7 +50,7 @@
 //     dtor which is _not_ virtual, so it shouldn't be used as a base class.
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT_BASE wxFile
+class WXDLLIMPEXP_BASE wxFile
 {
 public:
   // more file constants
@@ -68,36 +64,36 @@ 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);
 
   // ctors
   // -----
     // def ctor
-  wxFile() { m_fd = fd_invalid; }
+  wxFile() { m_fd = fd_invalid; m_error = false; }
     // open specified file (may fail, use IsOpened())
   wxFile(const wxChar *szFileName, OpenMode mode = read);
     // attach to (already opened) file
-  wxFile(int fd) { m_fd = fd; }
+  wxFile(int lfd) { m_fd = lfd; m_error = false; }
 
   // 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);
   bool Close();  // Close is a NOP if not opened
 
   // assign an existing file descriptor and get it back from wxFile object
-  void Attach(int fd) { Close(); m_fd = fd; }
+  void Attach(int lfd) { Close(); m_fd = lfd; m_error = false; }
   void Detach()       { m_fd = fd_invalid;  }
   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
@@ -110,23 +106,25 @@ 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?
   bool IsOpened() const { return m_fd != fd_invalid; }
     // is end of file reached?
   bool Eof() const;
-    // has an error occured?
+    // has an error occurred?
   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(); }
@@ -150,7 +148,7 @@ private:
 // you call neither of them, dtor will call Discard().
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT_BASE wxTempFile
+class WXDLLIMPEXP_BASE wxTempFile
 {
 public:
   // ctors
@@ -164,9 +162,16 @@ public:
 
   // is the file opened?
   bool IsOpened() const { return m_file.IsOpened(); }
+    // get current file length
+  wxFileOffset Length() const { return m_file.Length(); }
+    // move ptr ofs bytes related to start/current offset/end of file
+  wxFileOffset Seek(wxFileOffset ofs, wxSeekMode mode = wxFromStart)
+    { return m_file.Seek(ofs, mode); }
+    // get current offset
+  wxFileOffset Tell() const { return m_file.Tell(); }
 
   // 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); }