don't crash if conversion of a command line argument to Unicode fails

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

diff --git a/src/common/ffile.cpp b/src/common/ffile.cpp
index cc6053482153eb4eeed59e6a23b702f528486d82..997bf03d2b56a5bb7a3fbb2cde74a9a5d7b72865 100644 (file)
--- a/src/common/ffile.cpp
+++ b/src/common/ffile.cpp
@@ -31,6 +31,10 @@
     #include "wx/log.h"
 #endif
 
+#ifdef __WINDOWS__
+#include "wx/msw/mslu.h"
+#endif
+
 #include "wx/ffile.h"
 
 // ============================================================================
@@ -99,12 +103,12 @@ bool wxFFile::Close()
 // read/write
 // ----------------------------------------------------------------------------
 
-bool wxFFile::ReadAll(wxString *str, wxMBConv& conv)
+bool wxFFile::ReadAll(wxString *str, const wxMBConv& conv)
 {
     wxCHECK_MSG( str, false, wxT("invalid parameter") );
     wxCHECK_MSG( IsOpened(), false, wxT("can't read from closed file") );
     wxCHECK_MSG( Length() >= 0, false, wxT("invalid length") );
-    size_t length = (size_t)Length();
+    size_t length = wx_truncate_cast(size_t, Length());
     wxCHECK_MSG( (wxFileOffset)length == Length(), false, wxT("huge file not supported") );
 
     clearerr(m_fp);