From 283ea9e229fa362836992c61e4dcef4aef1a8564 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Thu, 13 Jun 2013 21:15:05 +0200 Subject: src: add nft_*_list_foreach This patch adds a simplied iterator interface. Signed-off-by: Pablo Neira Ayuso --- src/rule.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) (limited to 'src/rule.c') diff --git a/src/rule.c b/src/rule.c index 4c1672d..13b5a11 100644 --- a/src/rule.c +++ b/src/rule.c @@ -742,6 +742,22 @@ int nft_rule_snprintf(char *buf, size_t size, struct nft_rule *r, } EXPORT_SYMBOL(nft_rule_snprintf); +int nft_rule_expr_foreach(struct nft_rule *r, + int (*cb)(struct nft_rule_expr *e, void *data), + void *data) +{ + struct nft_rule_expr *cur, *tmp; + int ret; + + list_for_each_entry_safe(cur, tmp, &r->expr_list, head) { + ret = cb(cur, data); + if (ret < 0) + return ret; + } + return 0; +} +EXPORT_SYMBOL(nft_rule_expr_foreach); + struct nft_rule_expr_iter { struct nft_rule *r; struct nft_rule_expr *cur; @@ -817,6 +833,22 @@ void nft_rule_list_add(struct nft_rule *r, struct nft_rule_list *list) } EXPORT_SYMBOL(nft_rule_list_add); +int nft_rule_list_foreach(struct nft_rule_list *rule_list, + int (*cb)(struct nft_rule *r, void *data), + void *data) +{ + struct nft_rule *cur, *tmp; + int ret; + + list_for_each_entry_safe(cur, tmp, &rule_list->list, head) { + ret = cb(cur, data); + if (ret < 0) + return ret; + } + return 0; +} +EXPORT_SYMBOL(nft_rule_list_foreach); + struct nft_rule_list_iter { struct nft_rule_list *list; struct nft_rule *cur; -- cgit v1.2.3