int read(void* dst, int bytes)
{
assert(dst);
if (m_nc == NULL)
{
return 0;
}
// ensure buf
while (m_bufsize < m_position + bytes)
{
m_bufsize += 4096;
m_buf = (Uint8*) realloc(m_buf, m_bufsize);
}
// not enough data in the buffer
if (m_position + bytes > m_size)
{
int n = m_nc->read(m_buf + m_size, m_position + bytes - m_size);
m_size += n;
}
int n = imin(bytes, m_size - m_position);
memcpy(dst, m_buf + m_position, n);
m_position += n;
m_eof = n < bytes ? true : false;
return n;
}
