Prevent seg fault for older GTK+

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

diff --git a/include/wx/wfstream.h b/include/wx/wfstream.h
index d0d50a608cc129c12dfc3d5cfa1b8f50d6ba1a43..ae62191d393fbe349af47017a6eecd87822b4258 100644 (file)
--- a/include/wx/wfstream.h
+++ b/include/wx/wfstream.h
@@ -12,10 +12,6 @@
 #ifndef _WX_WXFSTREAM_H__
 #define _WX_WXFSTREAM_H__
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma interface "wfstream.h"
-#endif
-
 #include "wx/defs.h"
 
 #if wxUSE_STREAMS
@@ -38,11 +34,12 @@ public:
     wxFileInputStream(const wxString& ifileName);
     wxFileInputStream(wxFile& file);
     wxFileInputStream(int fd);
-    ~wxFileInputStream();
+    virtual ~wxFileInputStream();
 
     wxFileOffset GetLength() const;
 
-    bool Ok() const { return m_file->IsOpened(); }
+    bool Ok() const { return IsOk(); }
+    virtual bool IsOk() const;
     bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
 
 protected:
@@ -71,7 +68,8 @@ public:
     bool Close() { return m_file_destroy ? m_file->Close() : true; }
     wxFileOffset GetLength() const;
 
-    bool Ok() const { return m_file->IsOpened(); }
+    bool Ok() const { return IsOk(); }
+    virtual bool IsOk() const;
     bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
 
 protected:
@@ -88,6 +86,31 @@ protected:
     DECLARE_NO_COPY_CLASS(wxFileOutputStream)
 };
 
+class WXDLLIMPEXP_BASE wxTempFileOutputStream : public wxOutputStream
+{
+public:
+    wxTempFileOutputStream(const wxString& fileName);
+    virtual ~wxTempFileOutputStream();
+
+    bool Close() { return Commit(); }
+    virtual bool Commit() { return m_file->Commit(); }
+    virtual void Discard() { m_file->Discard(); }
+
+    wxFileOffset GetLength() const { return m_file->Length(); }
+    bool IsSeekable() const { return true; }
+
+protected:
+    size_t OnSysWrite(const void *buffer, size_t size);
+    wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode)
+        { return m_file->Seek(pos, mode); }
+    wxFileOffset OnSysTell() const { return m_file->Tell(); }
+
+private:
+    wxTempFile *m_file;
+
+    DECLARE_NO_COPY_CLASS(wxTempFileOutputStream)
+};
+
 class WXDLLIMPEXP_BASE wxFileStream : public wxFileInputStream,
                                       public wxFileOutputStream
 {
@@ -109,14 +132,15 @@ private:
 class WXDLLIMPEXP_BASE wxFFileInputStream : public wxInputStream
 {
 public:
-    wxFFileInputStream(const wxString& fileName, const wxChar *mode = _T("rb"));
+    wxFFileInputStream(const wxString& fileName, const wxString& mode = "rb");
     wxFFileInputStream(wxFFile& file);
     wxFFileInputStream(FILE *file);
-    ~wxFFileInputStream();
+    virtual ~wxFFileInputStream();
 
     wxFileOffset GetLength() const;
 
-    bool Ok() const { return m_file->IsOpened(); }
+    bool Ok() const { return IsOk(); }
+    virtual bool IsOk() const;
     bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
 
 protected:
@@ -136,7 +160,7 @@ protected:
 class WXDLLIMPEXP_BASE wxFFileOutputStream : public wxOutputStream
 {
 public:
-    wxFFileOutputStream(const wxString& fileName, const wxChar *mode = _T("w+b"));
+    wxFFileOutputStream(const wxString& fileName, const wxString& mode = "w+b");
     wxFFileOutputStream(wxFFile& file);
     wxFFileOutputStream(FILE *file);
     virtual ~wxFFileOutputStream();
@@ -145,7 +169,8 @@ public:
     bool Close() { return m_file_destroy ? m_file->Close() : true; }
     wxFileOffset GetLength() const;
 
-    bool Ok() const { return m_file->IsOpened(); }
+    bool Ok() const { return IsOk(); }
+    virtual bool IsOk() const ;
     bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
 
 protected: