GitHub CI: update list of container images

[tinc] / src / cipher.c

diff --git a/src/cipher.c b/src/cipher.c
index 0bab3bd..4e4fb9c 100644 (file)
--- a/src/cipher.c
+++ b/src/cipher.c
@@ -1,17 +1,37 @@
+/*
+    crypto.c -- stub cipher handling functions
+    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 "system.h"
+
 #include "cipher.h"
 #include "xalloc.h"
 
 #ifndef DISABLE_LEGACY
 
-cipher_t *cipher_alloc() {
+cipher_t *cipher_alloc(void) {
        return xzalloc(sizeof(cipher_t));
 }
 
-void cipher_free(cipher_t **cipher) {
-       if(cipher && *cipher) {
-               cipher_close(*cipher);
-               free(*cipher);
-               *cipher = NULL;
+void cipher_free(cipher_t *cipher) {
+       if(cipher) {
+               cipher_close(cipher);
+               free(cipher);
        }
 }