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>

4 files changed, 5 insertions, 5 deletions

diff --git a/include/libnftables/chain.h b/include/libnftables/chain.h
index e80d007..52c39db 100644
--- a/include/libnftables/chain.h
+++ b/include/libnftables/chain.h
@@ -56,7 +56,7 @@ enum nft_chain_parse_type {
 	NFT_CHAIN_PARSE_MAX
 };
 
-int nft_chain_parse(struct nft_chain *c, enum nft_chain_parse_type type, char *data);
+int nft_chain_parse(struct nft_chain *c, enum nft_chain_parse_type type, const char *data);
 int nft_chain_snprintf(char *buf, size_t size, struct nft_chain *t, uint32_t type, uint32_t flags);
 
 struct nlmsghdr *nft_chain_nlmsg_build_hdr(char *buf, uint16_t cmd, uint16_t family, uint16_t type, uint32_t seq);
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);
diff --git a/include/libnftables/set.h b/include/libnftables/set.h
index e81b3ac..c55718c 100644
--- a/include/libnftables/set.h
+++ b/include/libnftables/set.h
@@ -58,7 +58,7 @@ enum nft_set_parse_type {
 	NFT_SET_PARSE_MAX,
 };
 
-int nft_set_parse(struct nft_set *s, enum nft_set_parse_type type, char *data);
+int nft_set_parse(struct nft_set *s, enum nft_set_parse_type type, const char *data);
 
 /*
  * Set elements
@@ -102,7 +102,7 @@ void nft_set_elem_nlmsg_build_payload(struct nlmsghdr *nlh, struct nft_set_elem
 
 int nft_set_elem_nlmsg_parse(const struct nlmsghdr *nlh, struct nft_set_elem *s);
 
-int nft_set_elem_parse(struct nft_set_elem *e, enum nft_set_parse_type type, char *data);
+int nft_set_elem_parse(struct nft_set_elem *e, enum nft_set_parse_type type, const char *data);
 int nft_set_elem_snprintf(char *buf, size_t size, struct nft_set_elem *s, uint32_t type, uint32_t flags);
 
 int nft_set_elem_foreach(struct nft_set *s, int (*cb)(struct nft_set_elem *e, void *data), void *data);
diff --git a/include/libnftables/table.h b/include/libnftables/table.h
index 24ca374..1a015ca 100644
--- a/include/libnftables/table.h
+++ b/include/libnftables/table.h
@@ -44,7 +44,7 @@ enum nft_table_parse_type {
 	NFT_TABLE_PARSE_MAX,
 };
 
-int nft_table_parse(struct nft_table *t, enum nft_table_parse_type type, char *data);
+int nft_table_parse(struct nft_table *t, enum nft_table_parse_type type, const char *data);
 int nft_table_snprintf(char *buf, size_t size, struct nft_table *t, uint32_t type, uint32_t flags);
 
 struct nlmsghdr *nft_table_nlmsg_build_hdr(char *buf, uint16_t cmd, uint16_t family, uint16_t type, uint32_t seq);