unsigned char* Cvirtual_binary::write_start(size_t cb_d)
{
if (data() && size() == cb_d)
return data_edit();
m_source = new Cvirtual_binary_source(const_memory_range(NULL, cb_d));
return data_edit();
}
byte* Cvirtual_binary::write_start(size_t cb_d)
{
if (data() && size() == cb_d)
return data_edit();
if (m_source)
m_source->detach();
m_source = new Cvirtual_binary_source(NULL, cb_d);
return data_edit();
}
unsigned char* Cvirtual_binary::write_start(size_t cb_d)
{
if (data() && size() == cb_d)
return data_edit();
#if BOOST_VERSION >= 104200
m_source = boost::make_shared<Cvirtual_binary_source>(const_memory_range(NULL, cb_d));
#else
m_source.reset(new Cvirtual_binary_source(const_memory_range(NULL, cb_d)));
#endif
return data_edit();
}
void Cvirtual_binary::assign(data_ref v)
{
if (v.size())
{
m_source = boost::make_shared<Cvirtual_binary_source>(v.size());
if (v.begin())
memcpy(data_edit(), v.data(), v.size());
}
else
m_source.reset();
}
unsigned char* Cvirtual_binary::write_start(size_t cb_d)
{
if (size() != cb_d)
assign(cb_d);
return data_edit();
}
