Add a return value to mac_t.get_bytes()

2012-07-16 14:53:37 +02:00
parent 76a98ee2a1
commit 27e1eabbb5
7 changed files with 38 additions and 41 deletions
@@ -44,8 +44,10 @@ struct mac_t {
 	 *
 	 * @param data		chunk of data to authenticate
 	 * @param out		pointer where the generated bytes will be written
+	 * @return			TRUE if mac generated successfully
 	 */
-	void (*get_mac)(mac_t *this, chunk_t data, u_int8_t *out);
+	__attribute__((warn_unused_result))
+	bool (*get_mac)(mac_t *this, chunk_t data, u_int8_t *out);

 	/**
 	 * Get the size of the resulting MAC.