6 files changed, 20 insertions, 20 deletions
diff --git a/include/libnftnl/chain.h b/include/libnftnl/chain.h
index 954b39f..ed21e48 100644
--- a/include/libnftnl/chain.h
+++ b/include/libnftnl/chain.h
@@ -37,13 +37,13 @@ enum nftnl_chain_attr {
 bool nftnl_chain_is_set(const struct nftnl_chain *c, uint16_t attr);
 void nftnl_chain_unset(struct nftnl_chain *c, uint16_t attr);
 void nftnl_chain_set(struct nftnl_chain *t, uint16_t attr, const void *data);
-void nftnl_chain_set_data(struct nftnl_chain *t, uint16_t attr,
+int nftnl_chain_set_data(struct nftnl_chain *t, uint16_t attr,
 			     const void *data, uint32_t data_len);
 void nftnl_chain_set_u8(struct nftnl_chain *t, uint16_t attr, uint8_t data);
 void nftnl_chain_set_u32(struct nftnl_chain *t, uint16_t attr, uint32_t data);
 void nftnl_chain_set_s32(struct nftnl_chain *t, uint16_t attr, int32_t data);
 void nftnl_chain_set_u64(struct nftnl_chain *t, uint16_t attr, uint64_t data);
-void nftnl_chain_set_str(struct nftnl_chain *t, uint16_t attr, const char *str);
+int nftnl_chain_set_str(struct nftnl_chain *t, uint16_t attr, const char *str);
 
 const void *nftnl_chain_get(const struct nftnl_chain *c, uint16_t attr);
 const void *nftnl_chain_get_data(const struct nftnl_chain *c, uint16_t attr,
diff --git a/include/libnftnl/expr.h b/include/libnftnl/expr.h
index f192103..4140652 100644
--- a/include/libnftnl/expr.h
+++ b/include/libnftnl/expr.h
@@ -20,13 +20,13 @@ struct nftnl_expr *nftnl_expr_alloc(const char *name);
 void nftnl_expr_free(const struct nftnl_expr *expr);
 
 bool nftnl_expr_is_set(const struct nftnl_expr *expr, uint16_t type);
-void nftnl_expr_set(struct nftnl_expr *expr, uint16_t type, const void *data, uint32_t data_len);
+int nftnl_expr_set(struct nftnl_expr *expr, uint16_t type, const void *data, uint32_t data_len);
 #define nftnl_expr_set_data nftnl_expr_set
 void nftnl_expr_set_u8(struct nftnl_expr *expr, uint16_t type, uint8_t data);
 void nftnl_expr_set_u16(struct nftnl_expr *expr, uint16_t type, uint16_t data);
 void nftnl_expr_set_u32(struct nftnl_expr *expr, uint16_t type, uint32_t data);
 void nftnl_expr_set_u64(struct nftnl_expr *expr, uint16_t type, uint64_t data);
-void nftnl_expr_set_str(struct nftnl_expr *expr, uint16_t type, const char *str);
+int nftnl_expr_set_str(struct nftnl_expr *expr, uint16_t type, const char *str);
 
 const void *nftnl_expr_get(const struct nftnl_expr *expr, uint16_t type, uint32_t *data_len);
 #define nftnl_expr_get_data nftnl_expr_get
diff --git a/include/libnftnl/gen.h b/include/libnftnl/gen.h
index d0f638f..31705a0 100644
--- a/include/libnftnl/gen.h
+++ b/include/libnftnl/gen.h
@@ -25,9 +25,9 @@ enum {
 
 bool nftnl_gen_is_set(const struct nftnl_gen *gen, uint16_t attr);
 void nftnl_gen_unset(struct nftnl_gen *gen, uint16_t attr);
-void nftnl_gen_set(struct nftnl_gen *gen, uint16_t attr, const void *data);
-void nftnl_gen_set_data(struct nftnl_gen *gen, uint16_t attr,
-			     const void *data, uint32_t data_len);
+int nftnl_gen_set(struct nftnl_gen *gen, uint16_t attr, const void *data);
+int nftnl_gen_set_data(struct nftnl_gen *gen, uint16_t attr,
+		       const void *data, uint32_t data_len);
 const void *nftnl_gen_get(const struct nftnl_gen *gen, uint16_t attr);
 const void *nftnl_gen_get_data(const struct nftnl_gen *gen, uint16_t attr,
 			       uint32_t *data_len);
diff --git a/include/libnftnl/rule.h b/include/libnftnl/rule.h
index 6f9d8c1..2776a77 100644
--- a/include/libnftnl/rule.h
+++ b/include/libnftnl/rule.h
@@ -33,12 +33,12 @@ enum nftnl_rule_attr {
 
 void nftnl_rule_unset(struct nftnl_rule *r, uint16_t attr);
 bool nftnl_rule_is_set(const struct nftnl_rule *r, uint16_t attr);
-void nftnl_rule_set(struct nftnl_rule *r, uint16_t attr, const void *data);
-void nftnl_rule_set_data(struct nftnl_rule *r, uint16_t attr,
-			    const void *data, uint32_t data_len);
+int nftnl_rule_set(struct nftnl_rule *r, uint16_t attr, const void *data);
+int nftnl_rule_set_data(struct nftnl_rule *r, uint16_t attr,
+			const void *data, uint32_t data_len);
 void nftnl_rule_set_u32(struct nftnl_rule *r, uint16_t attr, uint32_t val);
 void nftnl_rule_set_u64(struct nftnl_rule *r, uint16_t attr, uint64_t val);
-void nftnl_rule_set_str(struct nftnl_rule *r, uint16_t attr, const char *str);
+int nftnl_rule_set_str(struct nftnl_rule *r, uint16_t attr, const char *str);
 
 const void *nftnl_rule_get(const struct nftnl_rule *r, uint16_t attr);
 const void *nftnl_rule_get_data(const struct nftnl_rule *r, uint16_t attr,
diff --git a/include/libnftnl/set.h b/include/libnftnl/set.h
index c9a879a..3d50d56 100644
--- a/include/libnftnl/set.h
+++ b/include/libnftnl/set.h
@@ -35,12 +35,12 @@ struct nftnl_set *nftnl_set_clone(const struct nftnl_set *set);
 
 bool nftnl_set_is_set(const struct nftnl_set *s, uint16_t attr);
 void nftnl_set_unset(struct nftnl_set *s, uint16_t attr);
-void nftnl_set_set(struct nftnl_set *s, uint16_t attr, const void *data);
-void nftnl_set_set_data(struct nftnl_set *s, uint16_t attr, const void *data,
-			   uint32_t data_len);
+int nftnl_set_set(struct nftnl_set *s, uint16_t attr, const void *data);
+int nftnl_set_set_data(struct nftnl_set *s, uint16_t attr, const void *data,
+		       uint32_t data_len);
 void nftnl_set_set_u32(struct nftnl_set *s, uint16_t attr, uint32_t val);
 void nftnl_set_set_u64(struct nftnl_set *s, uint16_t attr, uint64_t val);
-void nftnl_set_set_str(struct nftnl_set *s, uint16_t attr, const char *str);
+int nftnl_set_set_str(struct nftnl_set *s, uint16_t attr, const char *str);
 
 const void *nftnl_set_get(const struct nftnl_set *s, uint16_t attr);
 const void *nftnl_set_get_data(const struct nftnl_set *s, uint16_t attr,
@@ -106,10 +106,10 @@ struct nftnl_set_elem *nftnl_set_elem_clone(struct nftnl_set_elem *elem);
 void nftnl_set_elem_add(struct nftnl_set *s, struct nftnl_set_elem *elem);
 
 void nftnl_set_elem_unset(struct nftnl_set_elem *s, uint16_t attr);
-void nftnl_set_elem_set(struct nftnl_set_elem *s, uint16_t attr, const void *data, uint32_t data_len);
+int nftnl_set_elem_set(struct nftnl_set_elem *s, uint16_t attr, const void *data, uint32_t data_len);
 void nftnl_set_elem_set_u32(struct nftnl_set_elem *s, uint16_t attr, uint32_t val);
 void nftnl_set_elem_set_u64(struct nftnl_set_elem *s, uint16_t attr, uint64_t val);
-void nftnl_set_elem_set_str(struct nftnl_set_elem *s, uint16_t attr, const char *str);
+int nftnl_set_elem_set_str(struct nftnl_set_elem *s, uint16_t attr, const char *str);
 
 const void *nftnl_set_elem_get(struct nftnl_set_elem *s, uint16_t attr, uint32_t *data_len);
 const char *nftnl_set_elem_get_str(struct nftnl_set_elem *s, uint16_t attr);
diff --git a/include/libnftnl/table.h b/include/libnftnl/table.h
index 8972d09..1f9ab1c 100644
--- a/include/libnftnl/table.h
+++ b/include/libnftnl/table.h
@@ -29,15 +29,15 @@ enum nftnl_table_attr {
 bool nftnl_table_is_set(const struct nftnl_table *t, uint16_t attr);
 void nftnl_table_unset(struct nftnl_table *t, uint16_t attr);
 void nftnl_table_set(struct nftnl_table *t, uint16_t attr, const void *data);
-void nftnl_table_set_data(struct nftnl_table *t, uint16_t attr,
-			     const void *data, uint32_t data_len);
+int nftnl_table_set_data(struct nftnl_table *t, uint16_t attr,
+			 const void *data, uint32_t data_len);
 const void *nftnl_table_get(const struct nftnl_table *t, uint16_t attr);
 const void *nftnl_table_get_data(const struct nftnl_table *t, uint16_t attr,
 				 uint32_t *data_len);
 
 void nftnl_table_set_u8(struct nftnl_table *t, uint16_t attr, uint8_t data);
 void nftnl_table_set_u32(struct nftnl_table *t, uint16_t attr, uint32_t data);
-void nftnl_table_set_str(struct nftnl_table *t, uint16_t attr, const char *str);
+int nftnl_table_set_str(struct nftnl_table *t, uint16_t attr, const char *str);
 uint8_t nftnl_table_get_u8(const struct nftnl_table *t, uint16_t attr);
 uint32_t nftnl_table_get_u32(const struct nftnl_table *t, uint16_t attr);
 const char *nftnl_table_get_str(const struct nftnl_table *t, uint16_t attr);