ssize_t BufIo::FeedIn(SOCKET sk, size_t limit)
{
ssize_t r;
if( !m_valid ){
#ifdef ENOBUFS
errno = ENOBUFS;
#else
errno = EIO;
#endif
return -1;
}
if( !LeftSize() && _realloc_buffer() < 0 ){
m_valid = 0;
return (ssize_t)-1;
}
if( 0==limit || limit > LeftSize() )
limit = LeftSize();
r = _RECV(sk, m_buf + m_len, limit);
if( r < 0 ){
m_valid = 0;
return -1;
}else{
if( r ) m_len += r;
if( m_socket_remote_closed ){ // connection closed by remote
errno = 0;
return -1;
}
}
return (ssize_t)m_len;
}
ssize_t BufIo::FeedIn(SOCKET sk, size_t limit)
{
ssize_t r;
if (!_left_buffer_size)
if (_realloc_buffer() < 0)
return(ssize_t) - 2;
if (0 == limit || limit > _left_buffer_size)
limit = _left_buffer_size;
r = _RECV(sk, b + p, limit);
if (r < 0)
return -1;
else {
if (r)
p += r;
if (f_socket_remote_closed)
return -2; // connection closed by remote
}
return(ssize_t) p;
}
