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

[meshlink] / src / packmsg.h

diff --git a/src/packmsg.h b/src/packmsg.h
index 7adf2f916a2ef3d873d7716b5d90edad8ecaf2dc..a145722df79b646e2bc2442cca42f989483f0e8f 100644 (file)
--- a/src/packmsg.h
+++ b/src/packmsg.h
@@ -173,7 +173,7 @@ static inline size_t packmsg_output_size(const packmsg_output_t *buf, const uint
  * \return     True if all read operations performed on the input buffer so far have completed successfully,
  *             false if any error has occurred.
  */
-static inline bool packmsg_input_ok(const packmsg_input_t *buf) {
+static inline __attribute__((__warn_unused_result__)) bool packmsg_input_ok(const packmsg_input_t *buf) {
        assert(buf);
 
        return packmsg_likely(buf->len >= 0);
@@ -192,7 +192,7 @@ static inline bool packmsg_input_ok(const packmsg_input_t *buf) {
  *             false if there is still data remaining in the input buffer,
  *             or if any error has occurred.
  */
-static inline bool packmsg_done(const packmsg_input_t *buf) {
+static inline __attribute__((__warn_unused_result__)) bool packmsg_done(const packmsg_input_t *buf) {
        assert(buf);
 
        return buf->len == 0;