c->interrupt_callback = &s->interrupt_callback;
// if the URL context is good, read important options we must broker later
- if (u) {
+ if (u && u->prot->priv_data_class) {
// get the previous user agent & set back to null if string size is zero
- av_free(c->user_agent);
+ av_freep(&c->user_agent);
av_opt_get(u->priv_data, "user-agent", 0, (uint8_t**)&(c->user_agent));
- if (!strlen(c->user_agent))
+ if (c->user_agent && !strlen(c->user_agent))
av_freep(&c->user_agent);
// get the previous cookies & set back to null if string size is zero
- av_free(c->cookies);
+ av_freep(&c->cookies);
av_opt_get(u->priv_data, "cookies", 0, (uint8_t**)&(c->cookies));
- if (!strlen(c->cookies))
+ if (c->cookies && !strlen(c->cookies))
av_freep(&c->cookies);
}