}
-bool wxTextFile::OnRead(wxMBConv& conv)
+bool wxTextFile::OnRead(const wxMBConv& conv)
{
// file should be opened and we must be in it's beginning
wxASSERT( m_file.IsOpened() && m_file.Tell() == 0 );
// read and so the conversion would fail) and, as the file contents is kept
// in memory by wxTextFile anyhow, it shouldn't be a big problem to read
// the file entirely
- const size_t bufSize = m_file.Length() + 4 /* for trailing NULs */;
+ const size_t bufSize = (size_t)(m_file.Length() + 4 /* for trailing NULs */ );
size_t bufPos = 0;
wxCharBuffer buf(bufSize - 1 /* it adds 1 internally */);
return false;
}
- eof = nRead == 0;
- if ( eof )
- {
- // append 4 trailing NUL bytes: this is needed to ensure that the
- // string is going to be NUL-terminated, whatever is the encoding
- // used (even UTF-32)
- block[0] =
- block[1] =
- block[2] =
- block[3] = '\0';
- nRead = 4;
- }
+ if ( nRead == 0 )
+ break;
// this shouldn't happen but don't overwrite the buffer if it does
wxCHECK_MSG( bufPos + nRead <= bufSize, false,
bufPos += nRead;
}
- const wxString str(buf, conv);
+ const wxString str(buf, conv, bufPos);
+
+ // this doesn't risk to happen in ANSI build
#if wxUSE_UNICODE
- if ( str.empty() )
+ if ( bufSize > 4 && str.empty() )
{
wxLogError(_("Failed to convert file contents to Unicode."));
return false;
}
-bool wxTextFile::OnWrite(wxTextFileType typeNew, wxMBConv& conv)
+bool wxTextFile::OnWrite(wxTextFileType typeNew, const wxMBConv& conv)
{
wxFileName fn = m_strBufferName;
}
#endif // wxUSE_TEXTFILE
-