sz = snd_output_buffer_string(output_log, &buf);
for (p = buf; p < buf + sz;) {
char *q = memchr(p, '\n', buf + sz - p);
if (!q)
break;
*q = '\0';
sz = snd_output_buffer_string(output_log, &buf);
for (p = buf; p < buf + sz;) {
char *q = memchr(p, '\n', buf + sz - p);
if (!q)
break;
*q = '\0';