/usr/include/wx-3.0/wx/mstream.h is in wx3.0-headers 3.0.4+dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Name: wx/mstream.h
// Purpose: Memory stream classes
// Author: Guilhem Lavaux
// Modified by:
// Created: 11/07/98
// Copyright: (c) Guilhem Lavaux
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_WXMMSTREAM_H__
#define _WX_WXMMSTREAM_H__
#include "wx/defs.h"
#if wxUSE_STREAMS
#include "wx/stream.h"
class WXDLLIMPEXP_FWD_BASE wxMemoryOutputStream;
class WXDLLIMPEXP_BASE wxMemoryInputStream : public wxInputStream
{
public:
wxMemoryInputStream(const void *data, size_t length);
wxMemoryInputStream(const wxMemoryOutputStream& stream);
wxMemoryInputStream(wxInputStream& stream,
wxFileOffset lenFile = wxInvalidOffset)
{
InitFromStream(stream, lenFile);
}
wxMemoryInputStream(wxMemoryInputStream& stream)
: wxInputStream()
{
InitFromStream(stream, wxInvalidOffset);
}
virtual ~wxMemoryInputStream();
virtual wxFileOffset GetLength() const { return m_length; }
virtual bool IsSeekable() const { return true; }
virtual char Peek();
virtual bool CanRead() const;
wxStreamBuffer *GetInputStreamBuffer() const { return m_i_streambuf; }
#if WXWIN_COMPATIBILITY_2_6
// deprecated, compatibility only
wxDEPRECATED( wxStreamBuffer *InputStreamBuffer() const );
#endif // WXWIN_COMPATIBILITY_2_6
protected:
wxStreamBuffer *m_i_streambuf;
size_t OnSysRead(void *buffer, size_t nbytes);
wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode);
wxFileOffset OnSysTell() const;
private:
// common part of ctors taking wxInputStream
void InitFromStream(wxInputStream& stream, wxFileOffset lenFile);
size_t m_length;
// copy ctor is implemented above: it copies the other stream in this one
DECLARE_ABSTRACT_CLASS(wxMemoryInputStream)
wxDECLARE_NO_ASSIGN_CLASS(wxMemoryInputStream);
};
class WXDLLIMPEXP_BASE wxMemoryOutputStream : public wxOutputStream
{
public:
// if data is !NULL it must be allocated with malloc()
wxMemoryOutputStream(void *data = NULL, size_t length = 0);
virtual ~wxMemoryOutputStream();
virtual wxFileOffset GetLength() const { return m_o_streambuf->GetLastAccess(); }
virtual bool IsSeekable() const { return true; }
size_t CopyTo(void *buffer, size_t len) const;
wxStreamBuffer *GetOutputStreamBuffer() const { return m_o_streambuf; }
#if WXWIN_COMPATIBILITY_2_6
// deprecated, compatibility only
wxDEPRECATED( wxStreamBuffer *OutputStreamBuffer() const );
#endif // WXWIN_COMPATIBILITY_2_6
protected:
wxStreamBuffer *m_o_streambuf;
protected:
size_t OnSysWrite(const void *buffer, size_t nbytes);
wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode);
wxFileOffset OnSysTell() const;
DECLARE_DYNAMIC_CLASS(wxMemoryOutputStream)
wxDECLARE_NO_COPY_CLASS(wxMemoryOutputStream);
};
#if WXWIN_COMPATIBILITY_2_6
inline wxStreamBuffer *wxMemoryInputStream::InputStreamBuffer() const { return m_i_streambuf; }
inline wxStreamBuffer *wxMemoryOutputStream::OutputStreamBuffer() const { return m_o_streambuf; }
#endif // WXWIN_COMPATIBILITY_2_6
#endif
// wxUSE_STREAMS
#endif
// _WX_WXMMSTREAM_H__
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