src: constify nft_*_parse input data

Since the input string is not changing, let's make it constant.

Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/libnftables/rule.h b/include/libnftables/rule.h
index dd0e212..af9a0f3 100644
--- a/include/libnftables/rule.h
+++ b/include/libnftables/rule.h
@@ -55,7 +55,7 @@ enum nft_rule_parse_type {
 	NFT_RULE_PARSE_MAX,
 };
 
-int nft_rule_parse(struct nft_rule *r, enum nft_rule_parse_type type, char *data);
+int nft_rule_parse(struct nft_rule *r, enum nft_rule_parse_type type, const char *data);
 int nft_rule_snprintf(char *buf, size_t size, struct nft_rule *t, uint32_t type, uint32_t flags);
 
 struct nlmsghdr *nft_rule_nlmsg_build_hdr(char *buf, uint16_t cmd, uint16_t family, uint16_t type, uint32_t seq);