Enable and fix many extra warnings supported by GCC and Clang.

[tinc] / src / openssl / cipher.h

diff --git a/src/openssl/cipher.h b/src/openssl/cipher.h
index 6f3e6b7..360596c 100644 (file)
--- a/src/openssl/cipher.h
+++ b/src/openssl/cipher.h
@@ -1,6 +1,25 @@
 #ifndef TINC_OPENSSL_CIPHER_H
 #define TINC_OPENSSL_CIPHER_H
 
+/*
+    cipher.h -- header file cipher.c
+    Copyright (C) 2007-2022 Guus Sliepen <guus@tinc-vpn.org>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
 #include <openssl/evp.h>
 
 struct cipher {