X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fcipher.c;h=4e4fb9c9eb6f5fc4ee8a16d1b752b4cbe6ae0cf7;hb=72091d5c770856870bb8cd51bcc5641078c7562c;hp=0bab3bd91b3d889bbcb3cab481173f438d271010;hpb=bcac314fe2d758e85335d499dbb4300bfa8a599e;p=tinc

diff --git a/src/cipher.c b/src/cipher.c
index 0bab3bd9..4e4fb9c9 100644
--- 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);
 	}
 }