+#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);
+
+#if defined(__WXMAC__) && !defined(__UNIX__)
+ m_fp = fopen(wxUnix2MacFilename( tmp_fname ), mode);
+#else
+ m_fp = fopen(tmp_fname, mode);
+#endif
+
+ delete tmp_fname;
+#else
+#if defined(__WXMAC__) && !defined(__UNIX__)
+ m_fp = fopen(wxUnix2MacFilename( filename ), mode);
+#else