static int make_sure_fits_in(TXTRecordInternal *t, size_t size) {
uint8_t *n;
size_t nsize;
assert(t);
if (t->size + size <= t->max_size)
return 0;
nsize = t->size + size + 100;
if (nsize > 0xFFFF)
return -1;
if (!(n = avahi_realloc(t->malloc_buffer, nsize)))
return -1;
if (!t->malloc_buffer && t->size)
memcpy(n, t->buffer, t->size);
t->buffer = t->malloc_buffer = n;
t->max_size = nsize;
return 0;
}
static int rebuild(AvahiSimplePoll *s) {
AvahiWatch *w;
int idx;
assert(s);
if (s->n_watches+1 > s->max_pollfds) {
struct pollfd *n;
s->max_pollfds = s->n_watches + 10;
if (!(n = avahi_realloc(s->pollfds, sizeof(struct pollfd) * s->max_pollfds)))
return -1;
s->pollfds = n;
}
s->pollfds[0].fd = s->wakeup_pipe[0];
s->pollfds[0].events = POLLIN;
s->pollfds[0].revents = 0;
idx = 1;
for (w = s->watches; w; w = w->watches_next) {
if(w->dead)
continue;
assert(w->idx < s->max_pollfds);
s->pollfds[w->idx = idx++] = w->pollfd;
}
s->n_pollfds = idx;
s->events_valid = 0;
s->rebuild_pollfds = 0;
return 0;
}