Fix __warn_unused_result__, add more of it and fix the resulting warnings.

[meshlink] / src / meta.h

diff --git a/src/meta.h b/src/meta.h
index 88e601a3fb9f98a3694bbb524df46c126ca5b7db..768c7acf8a98396871009eace22b306a72d26658 100644 (file)
--- a/src/meta.h
+++ b/src/meta.h
@@ -28,6 +28,6 @@ extern bool receive_meta_sptps(void *, uint8_t, const void *, uint16_t);
 extern void broadcast_meta(struct meshlink_handle *mesh, struct connection_t *, const char *, int);
 extern void broadcast_submesh_meta(struct meshlink_handle *mesh, connection_t *from, submesh_t *s,
                                    const char *buffer, int length);
-extern bool receive_meta(struct meshlink_handle *mesh, struct connection_t *);
+extern bool receive_meta(struct meshlink_handle *mesh, struct connection_t *) __attribute__((__warn_unused_result__));
 
 #endif