// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "mstream.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
- #pragma hdrstop
+ #pragma hdrstop
#endif
#if wxUSE_STREAMS
-#include <stdlib.h>
-#include "wx/stream.h"
#include "wx/mstream.h"
+#ifndef WX_PRECOMP
+ #include "wx/stream.h"
+#endif //WX_PRECOMP
+
+#include <stdlib.h>
+
// ============================================================================
// implementation
// ============================================================================
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();