/usr/include/paraview/vtkBase64OutputStream.h is in paraview-dev 5.0.1+dfsg1-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68  | /*=========================================================================
  Program:   Visualization Toolkit
  Module:    vtkBase64OutputStream.h
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
=========================================================================*/
// .NAME vtkBase64OutputStream - Writes base64-encoded output to a stream.
// .SECTION Description
// vtkBase64OutputStream implements base64 encoding with the
// vtkOutputStream interface.
#ifndef vtkBase64OutputStream_h
#define vtkBase64OutputStream_h
#include "vtkIOCoreModule.h" // For export macro
#include "vtkOutputStream.h"
class VTKIOCORE_EXPORT vtkBase64OutputStream : public vtkOutputStream
{
public:
  vtkTypeMacro(vtkBase64OutputStream,vtkOutputStream);
  static vtkBase64OutputStream *New();
  void PrintSelf(ostream& os, vtkIndent indent);
  // Description:
  // Called after the stream position has been set by the caller, but
  // before any Write calls.  The stream position should not be
  // adjusted by the caller until after an EndWriting call.
  int StartWriting();
  // Description:
  // Write output data of the given length.
  int Write(void const* data, size_t length);
  // Description:
  // Called after all desired calls to Write have been made.  After
  // this call, the caller is free to change the position of the
  // stream.  Additional writes should not be done until after another
  // call to StartWriting.
  int EndWriting();
protected:
  vtkBase64OutputStream();
  ~vtkBase64OutputStream();
  // Number of un-encoded bytes left in Buffer from last call to Write.
  unsigned int BufferLength;
  unsigned char Buffer[2];
  // Methods to encode and write data.
  int EncodeTriplet(unsigned char c0, unsigned char c1, unsigned char c2);
  int EncodeEnding(unsigned char c0, unsigned char c1);
  int EncodeEnding(unsigned char c0);
private:
  vtkBase64OutputStream(const vtkBase64OutputStream&);  // Not implemented.
  void operator=(const vtkBase64OutputStream&);  // Not implemented.
};
#endif
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