src: introduce simple hints on incorrect set

 # nft rule x y ip saddr @y
 Error: No such file or directory; did you mean set ‘y’ in table inet ‘x’?
 rule x y ip saddr @y
                   ^^

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/rule.h b/include/rule.h
index 66786bdb..85b9f80d 100644
--- a/include/rule.h
+++ b/include/rule.h
@@ -308,6 +308,9 @@ extern void set_add_hash(struct set *set, struct table *table);
 extern struct set *set_lookup(const struct table *table, const char *name);
 extern struct set *set_lookup_global(uint32_t family, const char *table,
 				     const char *name, struct nft_cache *cache);
+extern struct set *set_lookup_fuzzy(const char *set_name,
+				    const struct nft_cache *cache,
+				    const struct table **table);
 extern const char *set_policy2str(uint32_t policy);
 extern void set_print(const struct set *set, struct output_ctx *octx);
 extern void set_print_plain(const struct set *s, struct output_ctx *octx);