http://code.google.com/p/rpcs3/source/detail?r=44

wxWidgets/include/wx/ffile.h

@@ -0,0 +1,115 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/ffile.h
+// Purpose:     wxFFile - encapsulates "FILE *" stream
+// Author:      Vadim Zeitlin
+// Modified by:
+// Created:     14.07.99
+// RCS-ID:      $Id: ffile.h 61872 2009-09-09 22:37:05Z VZ $
+// Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef   _WX_FFILE_H_
+#define   _WX_FFILE_H_
+
+#include "wx/defs.h"        // for wxUSE_FFILE
+
+#if wxUSE_FFILE
+
+#include  "wx/string.h"
+#include  "wx/filefn.h"
+#include  "wx/convauto.h"
+
+#include <stdio.h>
+
+// ----------------------------------------------------------------------------
+// class wxFFile: standard C stream library IO
+//
+// NB: for space efficiency this class has no virtual functions, including
+//     dtor which is _not_ virtual, so it shouldn't be used as a base class.
+// ----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_BASE wxFFile
+{
+public:
+  // ctors
+  // -----
+    // def ctor
+  wxFFile() { m_fp = NULL; }
+    // open specified file (may fail, use IsOpened())
+  wxFFile(const wxChar *filename, const wxChar *mode = wxT("r"));
+    // attach to (already opened) file
+  wxFFile(FILE *lfp) { m_fp = lfp; }
+
+  // open/close
+    // open a file (existing or not - the mode controls what happens)
+  bool Open(const wxChar *filename, const wxChar *mode = wxT("r"));
+    // closes the opened file (this is a NOP if not opened)
+  bool Close();
+
+  // assign an existing file descriptor and get it back from wxFFile object
+  void Attach(FILE *lfp, const wxString& name = wxEmptyString)
+    { Close(); m_fp = lfp; m_name = name; }
+  void Detach() { m_fp = NULL; }
+  FILE *fp() const { return m_fp; }
+
+  // read/write (unbuffered)
+    // read all data from the file into a string (useful for text files)
+  bool ReadAll(wxString *str, const wxMBConv& conv = wxConvAuto());
+    // returns number of bytes read - use Eof() and Error() to see if an error
+    // occurred or not
+  size_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
+  bool Write(const wxString& s, const wxMBConv& conv = wxConvAuto())
+  {
+      const wxWX2MBbuf buf = s.mb_str(conv);
+      size_t size = strlen(buf);
+      return Write((const char *)buf, size) == size;
+  }
+    // flush data not yet written
+  bool Flush();
+
+  // file pointer operations (return ofsInvalid on failure)
+    // move ptr ofs bytes related to start/current pos/end of file
+  bool Seek(wxFileOffset ofs, wxSeekMode mode = wxFromStart);
+    // move ptr to ofs bytes before the end
+  bool SeekEnd(wxFileOffset ofs = 0) { return Seek(ofs, wxFromEnd); }
+    // get current position in the file
+  wxFileOffset Tell() const;
+    // get current file length
+  wxFileOffset Length() const;
+
+  // simple accessors: note that Eof() and Error() may only be called if
+  // IsOpened()!
+    // is file opened?
+  bool IsOpened() const { return m_fp != NULL; }
+    // is end of file reached?
+  bool Eof() const { return feof(m_fp) != 0; }
+    // has an error occurred?
+  bool Error() const { return ferror(m_fp) != 0; }
+    // get the file name
+  const wxString& GetName() const { return m_name; }
+    // type such as disk or pipe
+  wxFileKind GetKind() const { return wxGetFileKind(m_fp); }
+
+  // dtor closes the file if opened
+  ~wxFFile() { Close(); }
+
+private:
+  // copy ctor and assignment operator are private because it doesn't make
+  // sense to copy files this way: attempt to do it will provoke a compile-time
+  // error.
+  wxFFile(const wxFFile&);
+  wxFFile& operator=(const wxFFile&);
+
+  FILE *m_fp;       // IO stream or NULL if not opened
+
+  wxString m_name;  // the name of the file (for diagnostic messages)
+};
+
+#endif // wxUSE_FFILE
+
+#endif // _WX_FFILE_H_
+