This avoids two warnings due to FIONREAD not being defined.
case PA_SINK_MESSAGE_GET_LATENCY: {
size_t n = 0;
case PA_SINK_MESSAGE_GET_LATENCY: {
size_t n = 0;
if (ioctl(u->fd, FIONREAD, &l) >= 0 && l > 0)
n = (size_t) l;
#endif
if (ioctl(u->fd, FIONREAD, &l) >= 0 && l > 0)
n = (size_t) l;
#endif
case PA_SOURCE_MESSAGE_GET_LATENCY: {
size_t n = 0;
case PA_SOURCE_MESSAGE_GET_LATENCY: {
size_t n = 0;
if (ioctl(u->fd, FIONREAD, &l) >= 0 && l > 0)
n = (size_t) l;
#endif
if (ioctl(u->fd, FIONREAD, &l) >= 0 && l > 0)
n = (size_t) l;
#endif