odb/buffer.cxx


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// file      : odb/buffer.cxx
// author    : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
// license   : GNU GPL v2; see accompanying LICENSE file

#include <cstring> // std::memcpy

#include <odb/buffer.hxx>

using namespace std;

namespace odb
{
  void buffer::
  capacity (size_t c, size_t data_size)
  {
    if (c > capacity_)
    {
      size_t n (capacity_ * 2 > c ? capacity_ * 2 : c);
      char* d (static_cast<char*> (operator new (n)));

      if (data_ != 0)
      {
        if (data_size != 0)
          memcpy (d, data_, data_size);

        operator delete (data_);
      }

      data_ = d;
      capacity_ = n;
    }
  }
}