safe destruction, even if redraws might be triggered

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

diff --git a/src/common/ffile.cpp b/src/common/ffile.cpp
index 3e405491ee43dcc6815ba5c9e3b71c01bf483870..503e5bfa0d886350b3109fc2386bcac90209a2a6 100644 (file)
--- a/src/common/ffile.cpp
+++ b/src/common/ffile.cpp
@@ -1,12 +1,12 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        ffile.cpp
-// Purpose:     wxFFile - encapsulates "FILE *" IO stream
+// 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 license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma implementation "ffile.h"
 #endif
 
@@ -45,32 +45,18 @@
 // opening the file
 // ----------------------------------------------------------------------------
 
-wxFFile::wxFFile(const wxChar *filename, const char *mode)
+wxFFile::wxFFile(const wxChar *filename, const wxChar *mode)
 {
     Detach();
 
     (void)Open(filename, mode);
 }
 
-bool wxFFile::Open(const wxChar *filename, const char *mode)
+bool wxFFile::Open(const wxChar *filename, const wxChar *mode)
 {
     wxASSERT_MSG( !m_fp, wxT("should close or detach the old file first") );
 
-#if wxUSE_UNICODE
-    char *tmp_fname;
-    size_t fname_len;
-
-    fname_len = wxStrlen(filename)+1;
-    tmp_fname = new char[fname_len];
-    wxWX2MB(tmp_fname, filename, fname_len);
-
-    m_fp = fopen(tmp_fname, mode);
-
-    delete tmp_fname;
-#else
-    m_fp = fopen(filename, mode);
-#endif
-
+    m_fp = wxFopen(filename, mode);
 
     if ( !m_fp )
     {
@@ -220,6 +206,9 @@ bool wxFFile::Seek(long ofs, wxSeekMode mode)
 
 size_t wxFFile::Tell() const
 {
+    wxCHECK_MSG( IsOpened(), (size_t)-1,
+                 _T("wxFFile::Tell(): file is closed!") );
+
     long rc = ftell(m_fp);
     if ( rc == -1 )
     {
@@ -232,6 +221,9 @@ size_t wxFFile::Tell() const
 
 size_t wxFFile::Length() const
 {
+    wxCHECK_MSG( IsOpened(), (size_t)-1,
+                 _T("wxFFile::Length(): file is closed!") );
+
     wxFFile& self = *(wxFFile *)this;   // const_cast
 
     size_t posOld = Tell();