From 327554218c59902965a160b71c7b6021a0d8bf4b Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Mon, 6 Jul 2015 14:29:33 +0200 Subject: rule: add chain reference counter When adding declared chains to the cache, we may hold more than one single reference from struct cmd and the cache. Signed-off-by: Pablo Neira Ayuso --- src/rule.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'src') diff --git a/src/rule.c b/src/rule.c index 6e1b823a..6887a1a7 100644 --- a/src/rule.c +++ b/src/rule.c @@ -444,6 +444,7 @@ struct chain *chain_alloc(const char *name) struct chain *chain; chain = xzalloc(sizeof(*chain)); + chain->refcnt = 1; init_list_head(&chain->rules); init_list_head(&chain->scope.symbols); if (name != NULL) @@ -453,10 +454,18 @@ struct chain *chain_alloc(const char *name) return chain; } +struct chain *chain_get(struct chain *chain) +{ + chain->refcnt++; + return chain; +} + void chain_free(struct chain *chain) { struct rule *rule, *next; + if (--chain->refcnt > 0) + return; list_for_each_entry_safe(rule, next, &chain->rules, list) rule_free(rule); handle_free(&chain->handle); -- cgit v1.2.3