src: return value on setters that internally allocate memory

So the client can bail out of memory allocation errors. Or in case of
daemon, make sure things are left in consistent state before bailing
out.

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

1 files changed, 6 insertions, 6 deletions

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);