Add __attribute__((warn_unused_result)) to crypto functions.

[tinc] / src / ecdsagen.h

diff --git a/src/ecdsagen.h b/src/ecdsagen.h
index 621913b..12e5c00 100644 (file)
--- a/src/ecdsagen.h
+++ b/src/ecdsagen.h
@@ -23,7 +23,7 @@
 #include "ecdsa.h"
 
 extern ecdsa_t *ecdsa_generate(void) __attribute__ ((__malloc__));
-extern bool ecdsa_write_pem_public_key(ecdsa_t *ecdsa, FILE *fp);
-extern bool ecdsa_write_pem_private_key(ecdsa_t *ecdsa, FILE *fp);
+extern bool ecdsa_write_pem_public_key(ecdsa_t *ecdsa, FILE *fp) __attribute__ ((__warn_unused_result__));
+extern bool ecdsa_write_pem_private_key(ecdsa_t *ecdsa, FILE *fp) __attribute__ ((__warn_unused_result__));
 
 #endif