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5d4cad9c02
Significantly improve the code's use of off_t for file offsets, size_t for memory sizes, and integer types in cases where there has to be compatibility with external interfaces. Rework sections of the code that would have prevented qpdf from working on files larger than 2 (or maybe 4) GB in size.
54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
// Copyright (c) 2005-2011 Jay Berkenbilt
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//
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// This file is part of qpdf. This software may be distributed under
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// the terms of version 2 of the Artistic License which may be found
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// in the source distribution. It is provided "as is" without express
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// or implied warranty.
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#ifndef __BUFFER_HH__
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#define __BUFFER_HH__
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#include <qpdf/DLL.h>
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#include <cstring> // for size_t
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class Buffer
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{
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public:
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QPDF_DLL
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Buffer();
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// Create a Buffer object whose memory is owned by the class and
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// will be freed when the Buffer object is destroyed.
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QPDF_DLL
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Buffer(size_t size);
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// Create a Buffer object whose memory is owned by the caller and
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// will not be freed when the Buffer is destroyed.
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QPDF_DLL
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Buffer(unsigned char* buf, size_t size);
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QPDF_DLL
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Buffer(Buffer const&);
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QPDF_DLL
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Buffer& operator=(Buffer const&);
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QPDF_DLL
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~Buffer();
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QPDF_DLL
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size_t getSize() const;
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QPDF_DLL
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unsigned char const* getBuffer() const;
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QPDF_DLL
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unsigned char* getBuffer();
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private:
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void init(size_t size, unsigned char* buf, bool own_memory);
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void copy(Buffer const&);
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void destroy();
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bool own_memory;
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size_t size;
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unsigned char* buf;
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};
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#endif // __BUFFER_HH__
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