In contrast to rule_lookup(), this function returns a chain's rule at a
given index instead of by handle.
Signed-off-by: Phil Sutter <phil@xxxxxx>
---
include/rule.h | 2 ++
src/rule.c | 11 +++++++++++
2 files changed, 13 insertions(+)
diff --git a/include/rule.h b/include/rule.h
index bf3f39636efb5..87b440b63ba5c 100644
--- a/include/rule.h
+++ b/include/rule.h
@@ -260,6 +260,8 @@ extern struct rule *rule_get(struct rule *rule);
extern void rule_free(struct rule *rule);
extern void rule_print(const struct rule *rule, struct output_ctx *octx);
extern struct rule *rule_lookup(const struct chain *chain, uint64_t handle);
+extern struct rule *rule_lookup_by_index(const struct chain *chain,
+ uint64_t index);
/**
* struct set - nftables set
diff --git a/src/rule.c b/src/rule.c
index e570238a40f5b..20fe6f3758cbc 100644
--- a/src/rule.c
+++ b/src/rule.c
@@ -641,6 +641,17 @@ struct rule *rule_lookup(const struct chain *chain, uint64_t handle)
return NULL;
}
+struct rule *rule_lookup_by_index(const struct chain *chain, uint64_t index)
+{
+ struct rule *rule;
+
+ list_for_each_entry(rule, &chain->rules, list) {
+ if (!--index)
+ return rule;
+ }
+ return NULL;
+}
+
struct scope *scope_init(struct scope *scope, const struct scope *parent)
{
scope->parent = parent;
--
2.21.0
