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// file : odb/details/buffer.hxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#ifndef ODB_BUFFER_DETAILS_HXX
#define ODB_BUFFER_DETAILS_HXX
#include <odb/pre.hxx>
#include <new>
#include <cstddef> // std::size_t
#include <odb/details/export.hxx>
namespace odb
{
namespace details
{
class LIBODB_EXPORT basic_buffer_base
{
public:
~basic_buffer_base ()
{
if (data_)
operator delete (data_);
}
basic_buffer_base ()
: capacity_ (512)
{
data_ = operator new (capacity_);
}
std::size_t
capacity () const
{
return capacity_;
}
void capacity (std::size_t, std::size_t data_size = 0);
protected:
void* data_;
std::size_t capacity_;
};
template <typename T>
class basic_buffer: public basic_buffer_base
{
public:
T*
data ()
{
return static_cast<T*> (data_);
}
const T*
data () const
{
return static_cast<T*> (data_);
}
};
typedef basic_buffer<char> buffer;
typedef basic_buffer<unsigned char> ubuffer;
}
}
#include <odb/post.hxx>
#endif // ODB_BUFFER_DETAILS_HXX
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