wxMemoryInputStream::wxMemoryInputStream(const wxMemoryOutputStream& stream)
{
- ssize_t len = (ssize_t)stream.GetLength();
- if (len == wxInvalidOffset) {
+ const wxFileOffset lenFile = stream.GetLength();
+ if ( lenFile == wxInvalidOffset )
+ {
m_i_streambuf = NULL;
m_lasterror = wxSTREAM_EOF;
return;
}
+
+ const size_t len = wx_truncate_cast(size_t, lenFile);
+ wxASSERT_MSG( len == lenFile + size_t(0), _T("huge files not supported") );
+
m_i_streambuf = new wxStreamBuffer(wxStreamBuffer::read);
m_i_streambuf->SetBufferIO(len); // create buffer
stream.CopyTo(m_i_streambuf->GetBufferStart(), len);
return buf[pos];
}
-bool wxMemoryInputStream::Eof() const
-{
- return !m_i_streambuf->GetBytesLeft();
-}
-
size_t wxMemoryInputStream::OnSysRead(void *buffer, size_t nbytes)
{
size_t pos = m_i_streambuf->GetIntPosition();