-static int
-add_target(struct Client *source_p, struct Client *target_p)
-{
- int i, j;
- uint32_t hashv;
-
- /* can msg themselves or services without using any target slots */
- if(source_p == target_p || IsService(target_p))
- return 1;
-
- /* special condition for those who have had PRIVMSG crippled to allow them
- * to talk to IRCops still.
- *
- * XXX: is this controversial?
- */
- if(source_p->localClient->target_last > rb_current_time() && IsOper(target_p))
- return 1;
-
- hashv = fnv_hash_upper((const unsigned char *)use_id(target_p), 32);
-
- if(USED_TARGETS(source_p))
- {
- /* hunt for an existing target */
- for(i = PREV_FREE_TARGET(source_p), j = USED_TARGETS(source_p);
- j; --j, PREV_TARGET(i))
- {
- if(source_p->localClient->targets[i] == hashv)
- return 1;
- }
-
- /* first message after connect, we may only start clearing
- * slots after this message --anfl
- */
- if(!IsTGChange(source_p))
- {
- SetTGChange(source_p);
- source_p->localClient->target_last = rb_current_time();
- }
- /* clear as many targets as we can */
- else if((i = (rb_current_time() - source_p->localClient->target_last) / 60))
- {
- if(i > USED_TARGETS(source_p))
- USED_TARGETS(source_p) = 0;
- else
- USED_TARGETS(source_p) -= i;
-
- source_p->localClient->target_last = rb_current_time();
- }
- /* cant clear any, full target list */
- else if(USED_TARGETS(source_p) == 10)
- {
- ServerStats.is_tgch++;
- add_tgchange(source_p->sockhost);
- return 0;
- }
- }
- /* no targets in use, reset their target_last so that they cant
- * abuse a long idle to get targets back more quickly
- */
- else
- {
- source_p->localClient->target_last = rb_current_time();
- SetTGChange(source_p);
- }
-
- source_p->localClient->targets[FREE_TARGET(source_p)] = hashv;
- NEXT_TARGET(FREE_TARGET(source_p));
- ++USED_TARGETS(source_p);
- return 1;
-}
-