Fix for #15520: wxRichTextCtrl: Drawing the selection doesn't respect its container...

[wxWidgets.git] / src / common / ffile.cpp

diff --git a/src/common/ffile.cpp b/src/common/ffile.cpp
index c9210559aa7c782e215adf7e54c249c775f5d1bc..0f479565d2406ff0a3a73be12e4b07e4941f9d57 100644 (file)
--- a/src/common/ffile.cpp
+++ b/src/common/ffile.cpp
@@ -1,10 +1,9 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        ffile.cpp
+// Name:        src/common/ffile.cpp
 // Purpose:     wxFFile encapsulates "FILE *" IO stream
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     14.07.99
-// RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -42,25 +41,13 @@
 // implementation
 // ============================================================================
 
-// ----------------------------------------------------------------------------
-// seek and tell with large file support if available
-// ----------------------------------------------------------------------------
-
-#ifdef HAVE_FSEEKO
-#   define wxFseek fseeko
-#   define wxFtell ftello
-#else
-#   define wxFseek fseek
-#   define wxFtell ftell
-#endif
-
 // ----------------------------------------------------------------------------
 // opening the file
 // ----------------------------------------------------------------------------
 
 wxFFile::wxFFile(const wxString& filename, const wxString& mode)
 {
-    Detach();
+    m_fp = NULL;
 
     (void)Open(filename, mode);
 }
@@ -69,16 +56,16 @@ bool wxFFile::Open(const wxString& filename, const wxString& mode)
 {
     wxASSERT_MSG( !m_fp, wxT("should close or detach the old file first") );
 
-    m_fp = wxFopen(filename, mode);
+    FILE* const fp = wxFopen(filename, mode);
 
-    if ( !m_fp )
+    if ( !fp )
     {
         wxLogSysError(_("can't open file '%s'"), filename);
 
         return false;
     }
 
-    m_name = filename;
+    Attach(fp, filename);
 
     return true;
 }
@@ -94,7 +81,7 @@ bool wxFFile::Close()
             return false;
         }
 
-        Detach();
+        m_fp = NULL;
     }
 
     return true;
@@ -114,14 +101,14 @@ bool wxFFile::ReadAll(wxString *str, const wxMBConv& conv)
 
     clearerr(m_fp);
 
-    wxCharBuffer buf(length + 1);
+    wxCharBuffer buf(length);
 
     // note that real length may be less than file length for text files with DOS EOLs
     // ('\r's get dropped by CRT when reading which means that we have
     // realLen = fileLen - numOfLinesInTheFile)
-    length = fread(buf.data(), sizeof(char), length, m_fp);
+    length = fread(buf.data(), 1, length, m_fp);
 
-    if ( Error() ) 
+    if ( Error() )
     {
         wxLogSysError(_("Read error on file '%s'"), m_name.c_str());
 
@@ -129,7 +116,9 @@ bool wxFFile::ReadAll(wxString *str, const wxMBConv& conv)
     }
 
     buf.data()[length] = 0;
-    *str = wxString(buf, conv);
+
+    wxString strTmp(buf, conv);
+    str->swap(strTmp);
 
     return true;
 }
@@ -215,7 +204,7 @@ bool wxFFile::Seek(wxFileOffset ofs, wxSeekMode mode)
             break;
     }
 
-#ifndef HAVE_FSEEKO
+#ifndef wxHAS_LARGE_FFILES
     if ((long)ofs != ofs)
     {
         wxLogError(_("Seek error on file '%s' (large files not supported by stdio)"), m_name.c_str());
@@ -256,7 +245,7 @@ wxFileOffset wxFFile::Length() const
     wxCHECK_MSG( IsOpened(), wxInvalidOffset,
                  wxT("wxFFile::Length(): file is closed!") );
 
-    wxFFile& self = *(wxFFile *)this;   // const_cast
+    wxFFile& self = *const_cast<wxFFile *>(this);
 
     wxFileOffset posOld = Tell();
     if ( posOld != wxInvalidOffset )