bool resize(int new_size)
// Return false if we couldn't resize.
{
if (m_read_only) return false;
m_.resize(new_size);
// Hm, does this make sense? We're truncating the file, so clamping the cursor.
// Alternative would be to disallow resize, but that doesn't seem good either.
if (m_position > m_.size())
{
m_position = m_.size();
}
return true;
}
bool membuf::operator!=(const membuf& buf) const
{
if (size() != buf.size())
{
return false;
}
return memcmp(m_data, buf.m_data, size()) == 0 ? false : true;
}
bool is_valid()
{
return
m_position >= 0
&& m_position <= m_.size();
}
void membuf::operator=(const membuf& buf)
{
resize(buf.size());
memcpy(m_data, buf.m_data, size());
m_read_only = buf.m_read_only;
}
void membuf::append(const membuf& buf)
{
append(buf.data(), buf.size());
}
