add CC_HINT

diff --git a/src/lib/bio/fd.h b/src/lib/bio/fd.h
index d132988e5b4ea20975ff73966793b8a75cb7d235..b44fb1cb44535aac23b938ac33b9c0c06ef902f5 100644 (file)
--- a/src/lib/bio/fd.h
+++ b/src/lib/bio/fd.h
@@ -129,6 +129,6 @@ fr_bio_fd_info_t const *fr_bio_fd_info(fr_bio_t *bio) CC_HINT(nonnull);
 
 int            fr_bio_fd_open(fr_bio_t *bio, fr_bio_fd_config_t const *cfg) CC_HINT(nonnull);
 
-int            fr_bio_fd_write_only(fr_bio_t *bio);
+int            fr_bio_fd_write_only(fr_bio_t *bio) CC_HINT(nonnull);
 
-int            fr_bio_fd_reopen(fr_bio_t *bio);
+int            fr_bio_fd_reopen(fr_bio_t *bio) CC_HINT(nonnull);